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Direct Read Variable Area Flow Meters

FLD Series

Direct Read Variable Area Flow Meters | FLD Series

Direct Read Variable Area Flow Meters

THB5,230.00 FLDA3220ST

  • Direct Read Variable Area Flow Meters for Air, Water, N2, H2, CO2, Ar, He, and O2
  • Rib-Guided or Fluted Metering Tubes Facilitate Stable, Accurate Readings
  • Magnifier Lens in Front Shields to Enhance Reading Resolution
  • Interchangeability of Flow Tubes and Floats
  • Ease of Installation and Exchange of Flow Tube
  • Simple Means of Mounting
Variable Area Flow Meters & Switches - View related products

Description

Designed for direct read flow rates, the FLD Series variable area flow meter is a precision instrument embodying the inherent simplicity, versatility and economy of the classical variable area flow meter. It is particularly suitable for metering carrier gases in chromatography, indicating and controlling gases in manufacturing processes, liquid and gas measurement in laboratories, pilot plants, flow and level indicating, etc. Shipped completely assembled, flow meters include standard mounting fittings in a choice of materials, side plates, thick protective magnifying front shield and back plate, built-in control valve, and flow tubes. Panel-mounting style is convertible to bench mounting through the use of the optional acrylic tripod, FLTR-1. The tripod has a built-in spirit leveler and leveling screws.

Meters come with built-in 6 turn needle valves, high precision metering valves with “non-rising stems” 16 turn, or with no valves. The higher cost of the high resolution valves is justified whenever high sensitivity control and resolution are desirable-particularly in conjunction with metering tubes of very low flow rates. Generally, for gas metering it is recommended that valves are positioned at inlets (bottom) for liquids valves may be positioned either at inlets or outlets (top). For vacuum services, valves must be mounted at outlets. If unspecified at the time of ordering, meters will be shipped with valves mounted at the inlets.

SPECIFICATIONS
Standard Accuracy: ±5% of full scale (FS)
Repeatability: ±0.25%
Useful Flow Range: 10:1 minimum
Maximum Operating Pressure: 200 psig/13.8 bars
Maximum Operating Temperature: 121°C (250°F)

Construction
Flow Tubes: Heavy walled borosilicate glass
Floats: Glass, red sapphire, 316 stainless steel, carboloy and tantalum
Choice of Mounting Fittings in Contact with Fluids: Aluminum, black anodized or 316 stainless steel
Side-Panels: Aluminum, black anodized
Front Shield: Polycarbonate resin with longitudinal magnifier lens for enhanced reading resolution
Back Plate: 1/8" thick white acrylics
O-Rings and Packing: Buna O-rings in aluminum/brass model. FKM O-rings in stainless steel meters
Optional: Perfluoroelastomer and EPR
Connections: 1/8 NPT female inlet and outlet connections
(Specify Model Number)

What Other People Bought: When you see this icon, click on it to expand a list of products that other people have bought when they purchased this model.

Part Number/Desc.
Qty
Description
ALUMINUM FRAMES
65mm Water Flow Maximum Flow Rates, Minimum is 10% of Maximum
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FLDW3201S
THB5,915.00
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1 L/min
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FLDW3202ST
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1.2 L/min
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FLDW3203ST
THB5,230.00
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3 L/hr
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FLDW3204G
THB4,460.00
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0.5 mL/min
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FLDW3205ST
THB4,460.00
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6 mL/min
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FLDW3206G
THB5,230.00
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25 mL/min
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FLDW3207ST
THB4,460.00
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60 mL/min
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FLDW3208ST
THB5,230.00
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115 mL/min
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FLDW3209ST
THB5,230.00
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150 mL/min
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FLDW3210G
THB4,860.00
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250 mL/min
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FLDW3211G
THB4,860.00
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500 mL/min
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FLDW3212ST
THB5,230.00
Availability: 5 weeks
 
750 mL/min
65mm Air Flow Maximum Flow Rates, Minimum is 10% of Maximum
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FLDA3201C
THB5,230.00
Availability: 4 weeks
 
2.2 scfh
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FLDA3202G
THB5,230.00
Availability: 3 weeks
 
6 scfh
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FLDA3203ST
THB5,230.00
Availability: 1 week
 
10 scfh
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FLDA3204ST
THB5,230.00
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18 scfh
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FLDA3205ST
THB5,230.00
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25 scfh
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FLDA3206ST
THB5,230.00
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50 scfh
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FLDA3207ST
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90 scfh
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FLDA3208C
THB4,860.00
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150 scfh
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FLDA3209C
THB5,705.00
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0.6 scfm
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FLDA3210G
THB4,460.00
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1 L/min
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FLDA3211G
THB5,230.00
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1.15 L/min
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FLDA3212ST
THB4,460.00
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2 L/min
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FLDA3213ST
THB4,460.00
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4 L/min
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FLDA3214G
THB4,460.00
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5 L/min
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FLDA3215ST
THB4,460.00
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10 L/min
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FLDA3216ST
THB4,860.00
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16 L/min
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FLDA3217ST
THB4,460.00
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25 L/min
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FLDA3218ST
THB5,705.00
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40 L/min
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FLDA3219G
THB4,460.00
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7 mL/min
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FLDA3220ST
THB5,230.00
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50 mL/min
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FLDA3221ST
THB5,230.00
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75 mL/min
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FLDA3222G
THB4,460.00
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100 mL/min
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FLDA3223ST
THB5,230.00
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130 mL/min
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FLDA3224C
THB4,460.00
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250 mL/min
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FLDA3225C
THB4,460.00
Availability: 1 week
 
500 mL/min
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FLDA3226G
THB5,230.00
Availability: 4 weeks
 
1000 mL/min
150mm Water Flow Maximum Flow Rates, Minimum is 10% of Maximum
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FLDW3401C
THB8,105.00
Availability: 5 weeks
 
29 gph
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FLDW3402S
THB8,320.00
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0.22 gpm
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FLDW3403C
THB8,105.00
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0.45 gpm
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FLDW3404ST
THB8,105.00
Availability: 5 weeks
 
1.2 L/min
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FLDW3405T
THB8,320.00
Availability: 1 week
 
2 L/min
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FLDW3406S
THB7,590.00
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1 mL/min
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FLDW3407S
THB6,470.00
Availability: 5 weeks
 
10 mL/min
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FLDW3408ST
THB6,470.00
Availability: 4 weeks
 
20 mL/min
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FLDW3409G
THB6,470.00
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50 mL/min
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FLDW3410G
THB7,590.00
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60 mL/min
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FLDW3411G
THB7,590.00
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100 mL/min
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FLDW3412C
THB6,470.00
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237 200 mL/min
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FLDW3413ST
THB7,590.00
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237 500 mL/min
150mm Air Flow Maximum Flow Rates, Minimum is 10% of Maximum
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FLDA3401C
THB7,590.00
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2.5 scfh
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FLDA3402G
THB7,590.00
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5 scfh
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FLDA3403G
THB7,590.00
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8.25 scfh
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FLDA3404ST
THB7,590.00
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10 scfh
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FLDA3405ST
THB7,590.00
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16.5 scfh
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FLDA3406C
THB7,590.00
Availability: 4 weeks
 
23 scfh
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FLDA3407G
THB8,105.00
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55 scfh
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FLDA3408ST
THB8,105.00
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90 scfh
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FLDA3409ST
THB8,105.00
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94 scfh
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FLDA3410S
THB8,320.00
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1 scfm
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FLDA3411ST
THB8,105.00
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1.5 scfm
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FLDA3412C
THB6,470.00
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1.25 L/min
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FLDA3413ST
THB7,590.00
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1.8 L/min
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FLDA3414G
THB7,590.00
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2.5 L/min
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FLDA3415G
THB7,590.00
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4 L/min
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FLDA3416S
THB7,590.00
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4.5 L/min
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FLDA3417ST
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4.8 L/min
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FLDA3418S
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5 L/min
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FLDA3420C
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10 L/min
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FLDA3421ST
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17 L/min
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FLDA3422G
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23 L/min
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FLDA3425S
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25 mL/min
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FLDA3423ST
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42 L/min
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FLDA3426S
THB6,470.00
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52 mL/min
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FLDA3424C
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60 L/min
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FLDA3427C
THB7,590.00
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75 mL/min
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FLDA3428ST
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100 mL/min
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FLDA3429C
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100 mL/min
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FLDA3430ST
THB7,590.00
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150 mL/min
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FLDA3431ST
THB7,590.00
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200 mL/min
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FLDA3432G
THB6,470.00
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300 mL/min
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FLDA3433S
THB6,470.00
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500 mL/min
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FLDA3434G
THB6,470.00
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800 mL/min
STAINLESS STEEL FRAMES
65mm Water Flow Maximum Flow Rates, Minimum is 10% of Maximum
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FLDW3301S
THB11,150.00
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1 L/min
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FLDW3302ST
THB10,935.00
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1.2 L/min
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FLDW3303ST
THB10,460.00
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3 L/hr
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FLDW3304G
THB10,460.00
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0.5 mL/min
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FLDW3305ST
THB10,460.00
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6 mL/min
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FLDW3306G
THB10,460.00
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25 mL/min
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FLDW3307ST
THB10,460.00
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60 mL/min
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FLDW3308ST
THB10,460.00
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115 mL/min
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FLDW3309ST
THB10,460.00
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150 mL/min
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FLDW3310G
THB10,935.00
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250 mL/min
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FLDW3311G
THB10,935.00
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500 mL/min
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FLDW3312ST
THB10,460.00
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750 mL/min
65mm Air Flow Maximum Flow Rates, Minimum is 10% of Maximum
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FLDA3301C
THB10,460.00
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2.2 scfh
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FLDA3302G
THB10,460.00
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6 scfh
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FLDA3303ST
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10 scfh
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FLDA3304ST
THB10,460.00
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18 scfh
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FLDA3305ST
THB10,460.00
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25 scfh
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FLDA3306ST
THB10,460.00
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50 scfh
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FLDA3307ST
THB10,935.00
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90 scfh
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FLDA3308C
THB10,935.00
Availability: 4 weeks
 
150 scfh
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FLDA3309C
THB10,460.00
Availability: 5 weeks
 
0.6 scfm
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FLDA3310G
THB8,920.00
Availability: 5 weeks
 
1 L/min
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FLDA3311G
THB8,920.00
Availability: 5 weeks
 
1.15 L/min
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FLDA3312ST
THB10,460.00
Availability: 5 weeks
 
2 L/min
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FLDA3313ST
THB10,460.00
Availability: 5 weeks
 
4 L/min
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FLDA3314G
THB10,460.00
Availability: 5 weeks
 
5 L/min
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FLDA3315ST
THB10,460.00
Availability: 4 weeks
 
10 L/min
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FLDA3316ST
THB10,935.00
Availability: 5 weeks
 
16 L/min
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FLDA3317ST
THB10,460.00
Availability: 5 weeks
 
25 L/min
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FLDA3318ST
THB10,935.00
Availability: 5 weeks
 
40 L/min
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FLDA3319G
THB8,920.00
Availability: 4 weeks
 
7 mL/min
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FLDA3320ST
THB10,460.00
Availability: 4 weeks
 
50 mL/min
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FLDA3321ST
THB10,460.00
Availability: 5 weeks
 
75 mL/min
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FLDA3322G
THB10,460.00
Availability: 4 weeks
 
100 mL/min
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FLDA3323ST
THB10,460.00
Availability: 5 weeks
 
130 mL/min
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FLDA3324C
THB10,460.00
Availability: 4 weeks
 
250 mL/min
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FLDA3325C
THB10,460.00
Availability: 4 weeks
 
500 mL/min
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FLDA3326G
THB10,460.00
Availability: 4 weeks
 
1000 mL/min
150mm Water Flow Maximum Flow Rates, Minimum is 10% of Maximum
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FLDW3501C
THB13,505.00
Availability: 5 weeks
 
29 gph
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FLDW3502S
THB13,935.00
Availability: 5 weeks
 
0.22 gpm
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FLDW3503C
THB13,505.00
Availability: 4 weeks
 
0.45 gpm
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FLDW3504ST
THB13,505.00
Availability: 5 weeks
 
1.2 L/min
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FLDW3505T
THB13,935.00
Availability: 4 weeks
 
2 L/min
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FLDW3506S
THB13,505.00
Availability: 5 weeks
 
1 mL/min
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FLDW3507S
THB11,515.00
Availability: 5 weeks
 
10 mL/min
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FLDW3508ST
THB13,505.00
Availability: 5 weeks
 
20 mL/min
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FLDW3509G
THB13,505.00
Availability: 4 weeks
 
50 mL/min
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FLDW3510G
THB13,505.00
Availability: 5 weeks
 
60 mL/min
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FLDW3511G
THB13,505.00
Availability: 5 weeks
 
100 mL/min
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FLDW3512C
THB13,505.00
Availability: 4 weeks
 
200 mL/min
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FLDW3513ST
THB13,505.00
Availability: 5 weeks
 
500 mL/min
150mm Air Flow Maximum Flow Rates, Minimum is 10% of Maximum
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FLDA3501C
THB11,515.00
Availability: 5 weeks
 
2.5 scfh
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FLDA3502G
THB13,505.00
Availability: 5 weeks
 
5 scfh
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FLDA3503G
THB13,505.00
Availability: 5 weeks
 
8.25 scfh
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FLDA3504ST
THB11,515.00
Availability: 4 weeks
 
10 scfh
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FLDA3505ST
THB13,505.00
Availability: 5 weeks
 
16.5 scfh
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FLDA3506C
THB11,515.00
Availability: 4 weeks
 
23 scfh
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FLDA3507G
THB13,935.00
Availability: 5 weeks
 
55 scfh
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FLDA3508ST
THB11,880.00
Availability: 4 weeks
 
90 scfh
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FLDA3509ST
THB13,935.00
Availability: 5 weeks
 
94 scfh
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FLDA3510S
THB14,150.00
Availability: 5 weeks
 
1 scfm
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FLDA3511ST
THB13,935.00
Availability: 5 weeks
 
1.5 scfm
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FLDA3512C
THB11,515.00
Availability: 5 weeks
 
1.25 L/min
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FLDA3513ST
THB13,505.00
Availability: 5 weeks
 
1.8 L/min
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FLDA3514G
THB11,515.00
Availability: 4 weeks
 
2.5 L/min
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FLDA3515G
THB13,505.00
Availability: 4 weeks
 
4 L/min
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FLDA3516S
THB13,505.00
Availability: 5 weeks
 
4.5 L/min
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FLDA3517ST
THB13,505.00
Availability: 5 weeks
 
4.8 L/min
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FLDA3518S
THB13,505.00
Availability: 5 weeks
 
5 L/min
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FLDA3519G
THB13,505.00
Availability: 4 weeks
 
10 L/min
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FLDA3520C
THB13,505.00
Availability: 5 weeks
 
10 L/min
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FLDA3521ST
THB13,505.00
Availability: 5 weeks
 
17 L/min
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FLDA3522G
THB13,935.00
Availability: 5 weeks
 
23 L/min
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FLDA3525S
THB11,515.00
Availability: 4 weeks
 
25 mL/min
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FLDA3523ST
THB13,935.00
Availability: 5 weeks
 
42 L/min
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FLDA3526S
THB13,505.00
Availability: 5 weeks
 
52 mL/min
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FLDA3524C
THB13,935.00
Availability: 5 weeks
 
60 L/min
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FLDA3527C
THB13,505.00
Availability: 4 weeks
 
75 mL/min
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FLDA3528ST
THB11,515.00
Availability: 4 weeks
 
100 mL/min
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FLDA3529C
THB13,505.00
Availability: 4 weeks
 
100 mL/min
Quick Ship
  
FLDA3530ST
THB13,505.00
Availability: 5 weeks
 
150 mL/min
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FLDA3531ST
THB11,880.00
Availability: 5 weeks
 
200 mL/min
Quick Ship
  
FLDA3532G
THB13,505.00
Availability: 5 weeks
 
300 mL/min
Quick Ship
  
FLDA3533S
THB13,505.00
Availability: 5 weeks
 
500 mL/min
65mm Argon Flow Maximum Flow Rates, Minimum is 10% of Maximum
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FLDAR3301G
THB10,460.00
Availability: 5 weeks
 
2.5 scfh
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FLDAR3302ST
THB10,460.00
Availability: 4 weeks
 
10 scfh
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FLDAR3303ST
THB10,460.00
Availability: 4 weeks
 
22 scfh
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FLDAR3304G
THB9,320.00
Availability: 4 weeks
 
50 scfh
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FLDAR3305S
THB8,920.00
Availability: 5 weeks
 
1000 mL/min
150mm Argon Flow Maximum Flow Rates, Minimum is 10% of Maximum
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FLDAR3501C
THB13,505.00
Availability: 4 weeks
 
2 L/min
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FLDAR3502ST
THB13,505.00
Availability: 5 weeks
 
15 L/min
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FLDAR3503S
THB14,150.00
Availability: 4 weeks
 
25 L/min
Quick Ship
  
FLDAR3504C
THB13,505.00
Availability: 4 weeks
 
325 mL/min
Quick Ship
  
FLDAR3505G
THB13,505.00
Availability: 4 weeks
 
33 mL/min
65mm Carbon Dioxide Flow Maximum Flow Rates, Minimum is 10% of Maximum
Quick Ship
  
FLDC3301G
THB10,460.00
Availability: 4 weeks
 
1 L/min
Quick Ship
  
FLDC3302G
THB8,920.00
Availability: 5 weeks
 
6 L/min
Quick Ship
  
FLDC3303ST
THB10,460.00
Availability: 4 weeks
 
10 L/min
Quick Ship
  
FLDC3304ST
THB9,320.00
Availability: 4 weeks
 
35 L/min
Quick Ship
  
FLDC3305ST
THB10,460.00
Availability: 5 weeks
 
20 mL/min
Quick Ship
  
FLDC3306G
THB10,460.00
Availability: 4 weeks
 
55 mL/min
Quick Ship
  
FLDC3307S
THB8,920.00
Availability: 4 weeks
 
200 mL/min
150mm Carbon Dioxide Flow Maximum Flow Rates, Minimum is 10% of Maximum
Quick Ship
  
FLDC3501G
THB13,505.00
Availability: 4 weeks
 
100 mL/min
Quick Ship
  
FLDC3502ST
THB13,935.00
Availability: 5 weeks
 
300 mL/min
Quick Ship
  
FLDC3503S
THB14,150.00
Availability: 5 weeks
 
10 L/min
65mm Helium Flow Maximum Flow Rates, Minimum is 10% of Maximum
Quick Ship
  
FLDHE3301S
THB8,920.00
Availability: 4 weeks
 
65 mL/min
Quick Ship
  
FLDHE3302G
THB8,920.00
Availability: 4 weeks
 
120 mL/min
150mm Helium Flow Maximum Flow Rates, Minimum is 10% of Maximum
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FLDHE3501S
THB13,505.00
Availability: 4 weeks
 
1.25 scfh
Quick Ship
  
FLDHE3502C
THB11,515.00
Availability: 4 weeks
 
5 L/min
Quick Ship
  
FLDHE3503ST
THB11,515.00
Availability: 4 weeks
 
40 L/min
Quick Ship
  
FLDHE3504G
THB13,505.00
Availability: 5 weeks
 
100 mL/min
Quick Ship
  
FLDHE3505C
THB11,515.00
Availability: 4 weeks
 
500 mL/min
Quick Ship
  
FLDHE3506G
THB13,505.00
Availability: 1 week
 
1500 mL/min
65mm Hydrogen Flow Maximum Flow Rates, Minimum is 10% of Maximum
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FLDH3301C
THB8,920.00
Availability: 4 weeks
 
1.5 L/min
Quick Ship
  
FLDH3302G
THB8,920.00
Availability: 4 weeks
 
3.5 L/min
Quick Ship
  
FLDH3303G
THB10,460.00
Availability: 4 weeks
 
6 L/min
Quick Ship
  
FLDH3304ST
THB8,920.00
Availability: 4 weeks
 
42 L/min
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FLDH3305G
THB8,920.00
Availability: 4 weeks
 
35 mL/min
Quick Ship
  
FLDH3306ST
THB10,460.00
Availability: 4 weeks
 
100 mL/min
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FLDH3307S
THB10,460.00
Availability: 4 weeks
 
150 mL/min
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FLDH3308G
THB8,920.00
Availability: 4 weeks
 
600 mL/min
150mm Hydrogen Flow Maximum Flow Rates, Minimum is 10% of Maximum
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FLDH3501S
THB14,150.00
Availability: 4 weeks
 
225 scfh
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FLDH3502G
THB13,505.00
Availability: 5 weeks
 
100 mL/min
65mm Nitrogen Flow Maximum Flow Rates, Minimum is 10% of Maximum
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FLDN3301ST
THB8,920.00
Availability: 4 weeks
 
12 L/min
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FLDN3302G
THB8,920.00
Availability: 4 weeks
 
6 mL/min
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FLDN3303ST
THB8,920.00
Availability: 4 weeks
 
50 mL/min
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FLDN3304S
THB8,920.00
Availability: 4 weeks
 
60 mL/min
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FLDN3305G
THB8,920.00
Availability: 4 weeks
 
120 mL/min
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FLDN3306S
THB8,920.00
Availability: 4 weeks
 
200 mL/min
150mm Nitrogen Flow Maximum Flow Rates, Minimum is 10% of Maximum
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FLDN3501ST
THB11,880.00
Availability: 4 weeks
 
1.6 scfm
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FLDN3502G
THB11,515.00
Availability: 4 weeks
 
2 L/min
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FLDN3503G
THB11,515.00
Availability: 4 weeks
 
100 mL/min
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FLDN3504C
THB13,505.00
Availability: 4 weeks
 
200 mL/min
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FLDN3505C
THB13,505.00
Availability: 4 weeks
 
300 mL/min
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FLDN3506S
THB13,505.00
Availability: 4 weeks
 
500 mL/min
65mm Oxygen Flow Maximum Flow Rates, Minimum is 10% of Maximum
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FLDO3301G
THB10,460.00
Availability: 5 weeks
 
1 L/min
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FLDO3302ST
THB10,460.00
Availability: 5 weeks
 
4 L/min
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FLDO3303ST
THB10,460.00
Availability: 4 weeks
 
8 L/min
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FLDO3304ST
THB10,935.00
Availability: 5 weeks
 
15 L/min
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FLDO3305G
THB10,460.00
Availability: 5 weeks
 
50 mL/min
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FLDO3306ST
THB10,460.00
Availability: 4 weeks
 
300 mL/min
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FLDO3307ST
THB10,935.00
Availability: 4 weeks
 
500 mL/min
150mm Oxygen Flow Maximum Flow Rates, Minimum is 10% of Maximum
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FLDO3501S
THB13,505.00
Availability: 5 weeks
 
1 L/min
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FLDO3502S
THB11,515.00
Availability: 4 weeks
 
5 L/min
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FLDO3503C
THB13,505.00
Availability: 4 weeks
 
10 L/min
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FLDO3504ST
THB13,505.00
Availability: 4 weeks
 
16.50 L/min
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FLDO3505C
THB13,935.00
Availability: 4 weeks
 
58 L/min
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FLDO3506ST
THB13,935.00
Availability: 4 weeks
 
250 mL/min
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FLDO3507S
THB13,505.00
Availability: 5 weeks
 
400 mL/min
Accessories
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FLTR-1
THB2,185.00
Availability: 1 week
 
Tripod for one Variable Area Flow Meter
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FLTR-2
FLTR-2
THB1,865.00
Availability: 1 week
 
Tripod for 2, 4 and 6 isolated channels or manifolding at top.
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FLTR-3
FLTR-3
THB2,185.00
Availability: 1 week
 
Tripod for 3 and 5 isolated channels or manifolding at bottom.

Order By Part Number

Part Number
Qty
Part Number
Qty


All prices on this site are shown in Thai Baht.
Note: Comes complete with operator's manual.

Minimum flow rate is 10% of the maximum rate shown.

G” suffix denotes glass float, “ST” suffix denotes 316 SS float, “C” suffix denotes carboloy float and “S” denotes red sapphire float.

For units without valve, add suffix "-NV" to model number and subtract $10 for aluminum; subtract $13 for for 316SS.

For 16 turn, high resolution non-rising stem valve for 150 mm variable area flow meters, add suffix "-HRV" to model number and add $60 for aluminum units and $120 for stainless steel units.

For O2 Cleaning add "-O2CLEAN" to the part number and $125 to the price.

No NIST traceable calibration is available.

(OPTIONS SHOWN IN THIS "NOTE" ABOVE ARE PRICED IN US$)


Ordering Example: (1) FLDN3501ST 6 turn valve stainless steel unit, with 316SS float, range of 1.6 scfm nitrogen, THB11,880.00