DWYER VA Variable Area Flowmeter

RM 0.00

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Description

Series VA Variable Area Glass Flowmeters, 65 mm and 150 mm, ±2% FS Accuracy

 

DWYER VA Variable Area Flowmeter are designed with easy to read universal mm scale and supplied with correlation charts containing calibration data for air and water. DWYER VA Variable Area Flowmeter are suitable for metering carrier gases, liquid and gas measurement in pilot plants, laboratories, process flow and level indicating. Units are equipped with a standard 6-turn needle valve for flow rate control.

Specifications

  • Service: Compatible gases or liquids.
  • Wetted Materials: Flowtube: Borosilicate glass; Floats: Glass or SS (sapphire, Carboloy and tantalum are optional); Float stops: PTFE; End fittings: Anodized aluminum, 316 SS, brass or PTFE; Packings: Fluoroelastomer, none on VAX5XX models; O-rings: Buna-N on aluminum models and brass models, fluoroelastomer on SS models, PTFE on VAX5XX models.
  • Temperature Limits: 250°F (121°C); VAX5XX: -15 to 150°F (-26 to 65°C).
  • Pressure Limits: 200 psig (13.8 bar); VAX5XX: 100 psig (6.7 bar).
  • Accuracy: ±2% FS @ 70°F (21.1°C) and 14.7 psia (1 atm absolute); VA1043, VA1243, VA1343, VA25425, VA25025: ±5% FS @ 70°F (21.1°C) and 14.7 psia (1 @ absolute).
  • Repeatability: ±0.25% FS.
  • Leak Rate: 1 x 10-7 sccs of helium.
  • Scales: Universal 65 mm or 150 mm with correlation charts.
  • Turn-Down Ratio: 10:1.
  • Connections: Two 1/8″ female NPT.
  • Mounting: Vertical.
  • Valve: 6-turn needle (standard), optional 16-turn high precision valve.
  • Valve Orifice: Acetal on aluminum models and brass models, PCTFE on stainless steel models; PTFE on VAX5XX models.

 

Models & Ordering

65 MM Scale with Aluminum Fittings

Model Description
VA10411 Variable area glass flowmeter, glass float, max. flow rate 2.65 SCFH (1249 ml/min) air, 0.428 GPH (27 ml/min) water.
VA10412 Variable area glass flowmeter, SS float, max. flow rate 5.34 SCFH (2520 ml/min) air, 1.125 GPH (71 ml/min) water.
VA10413 Variable area glass flowmeter, glass float, max. flow rate 4.32 SCFH (2040 ml/min) air, 0.63 GPH (40 ml/min) water.
VA10414 Variable area glass flowmeter, SS float, max. flow rate 8.45 SCFH (3990 ml/min) air, 1.71 GPH (108 ml/min) water.
VA10417 Variable area glass flowmeter, glass float, max. flow rate 13.4 SCFH (6318 ml/min) air, 2.33 GPH (147 ml/min) water.
VA10418 Variable area glass flowmeter, SS float, max. flow rate 25.5 SCFH (12058 ml/min) air, 5.77 GPH (364 ml/min) water.
VA10419 Variable area glass flowmeter, glass float, max. flow rate 27.9 SCFH (13153 ml/min) air, 4.9 GPH (309 ml/min) water.
VA10420 Variable area glass flowmeter, SS float, max. flow rate 52.3 SCFH (24680 ml/min) air, 11.81 GPH (745 ml/min) water.
VA10421 Variable area glass flowmeter, glass float, max. flow rate 49.1 SCFH (23169 ml/min) air, 8.27 GPH (522 ml/min) water.
VA10422 Variable area glass flowmeter, SS float, max. flow rate 89.2 SCFH (42094 ml/min) air, 19.97 GPH (1260 ml/min) water.
VA10423 Variable area glass flowmeter, glass float, max. flow rate 2.29 SCFH (1081 ml/min) air, 0.329 GPH (20.8 ml/min) water.
VA10424 Variable area glass flowmeter, SS float, max. flow rate 4.51 SCFH (2129 ml/min) air, 0.930 GPH (58.7 ml/min) water.
VA1043 Variable area glass flowmeter, glass float, max. flow rate 0.104 SCFH (49 ml/min) air, 0.009 GPH (0.55 ml/min) water.
VA1044 Variable area glass flowmeter, SS float, max. flow rate 0.307 SCFH (145 ml/min) air, 0.038 GPH (2.38 ml/min) water.
VA1045 Variable area glass flowmeter, glass float, max. flow rate 0.220 SCFH (104 ml/min) air, 0.028 GPH (1.8 ml/min) water.
VA1046 Variable area glass flowmeter, SS float, max. flow rate 0.633 SCFH (299 ml/min) air, 0.122 GPH (7.7 ml/min) water.
VA1047 Variable area glass flowmeter, glass float, max. flow rate 0.43 SCFH (202 ml/min) air, 0.041 GPH (2.6 ml/min) water.
VA1048 Variable area glass flowmeter, SS float, max. flow rate 1.1 SCFH (522 ml/min) air, 0.19 GPH (12.0 ml/min) water.

 

150 MM Scale with Aluminum Fittings

Model Description
VA20429 Variable area glass flowmeter, glass float, max. flow rate 0.792 SCFH (374 ml/min) air, 0.087 GPH (5.5 ml/min) water.
VA20430 Variable area glass flowmeter, SS float, max. flow rate 1.725 SCFH (814 ml/min) air, 0.323 GPH (20.4 ml/min) water.
VA20433 Variable area glass flowmeter, glass float, max. flow rate 4.9 SCFH (2313 ml/min) air, 0.848 GPH (54 ml/min) water.
VA20434 Variable area glass flowmeter, SS float, max. flow rate 9.67 SCFH (4562 ml/min) air, 2.067 GPH (130 ml/min) water.
VA20435 Variable area glass flowmeter, glass float, max. flow rate 8.07 SCFH (3807 ml/min) air, 1.336 GPH (84 ml/min) water.
VA20436 Variable area glass flowmeter, SS float, max. flow rate 16.08 SCFH (7590 ml/min) air, 3.43 GPH (217 ml/min) water.
VA20437 Variable area glass flowmeter, glass float, max. flow rate 18.38 SCFH (8678 ml/min) air, 3.32 GPH (210 ml/min) water.
VA20438 Variable area glass flowmeter, SS float, max. flow rate 35.5 SCFH (16737 ml/min) air, 8.02 GPH (506 ml/min) water.
VA20439 Variable area glass flowmeter, glass float, max. flow rate 49.9 SCFH (23564 ml/min) air, 9.0 GPH (568 ml/min) water.
VA20440 Variable area glass flowmeter, SS float, max. flow rate 93.9 SCFH (44336 ml/min) air, 21.7 GPH (1370 ml/min) water.

 

65 MM Scale with Brass Fittings

Model Description
VA13411 Variable area glass flowmeter, glass float, max. flow rate 2.65 SCFH (1249 ml/min) air, 0.428 GPH (27 ml/min) water.
VA13413 Variable area glass flowmeter, glass float, max. flow rate 4.32 SCFH (2040 ml/min) air, 0.63 GPH (40 ml/min) water.
VA13417 Variable area glass flowmeter, glass float, max. flow rate 13.4 SCFH (6318 ml/min) air, 2.33 GPH (147 ml/min) water.
VA13419 Variable area glass flowmeter, glass float, max. flow rate 27.9 SCFH (13153 ml/min) air, 4.9 GPH (309 ml/min) water.
VA13421 Variable area glass flowmeter, glass float, max. flow rate 49.1 SCFH (23169 ml/min) air, 8.27 GPH (522 ml/min) water.
VA1343 Variable area glass flowmeter, glass float, max. flow rate 0.104 SCFH (49 ml/min) air, 0.009 GPH (0.55 ml/min) water.
VA1345 Variable area glass flowmeter, glass float, max. flow rate 0.220 SCFH (104 ml/min) air, 0.028 GPH (1.8 ml/min) water.
VA1347 Variable area glass flowmeter, glass float, max. flow rate 0.43 SCFH (202 ml/min) air, 0.041 GPH (2.6 ml/min) water.
VA1349 Variable area glass flowmeter, glass float, max. flow rate 2.09 SCFH (986 ml/min) air, 0.325 GPH (20.5 ml/min) water.

 

150 MM Scale with Brass Fittings

Model Description
VA23429 Variable area glass flowmeter, glass float, max. flow rate 0.792 SCFH (374 ml/min) air, 0.087 GPH (5.5 ml/min) water.
VA23433 Variable area glass flowmeter, glass float, max. flow rate 4.9 SCFH (2313 ml/min) air, 0.848 GPH (54 ml/min) water.
VA23435 Variable area glass flowmeter, glass float, max. flow rate 8.07 SCFH (3807 ml/min) air, 1.336 GPH (84 ml/min) water.
VA23437 Variable area glass flowmeter, glass float, max. flow rate 18.38 SCFH (8678 ml/min) air, 3.32 GPH (210 ml/min) water.
VA23439 Variable area glass flowmeter, glass float, max. flow rate 49.9 SCFH (23564 ml/min) air, 21.7 GPH (1370 ml/min) water.

 

65 MM Scale with SS Fittings

Model Description
VA12411 Variable area glass flowmeter, glass float, max. flow rate 2.65 SCFH (1249 ml/min) air, 0.428 GPH (27 ml/min) water.
VA12412 Variable area glass flowmeter, SS float, max. flow rate 5.34 SCFH (2520 ml/min) air, 1.125 GPH (71 ml/min) water.
VA12413 Variable area glass flowmeter, glass float, max. flow rate 4.32 SCFH (2040 ml/min) air, 0.63 GPH (40 ml/min) water.
VA12414 Variable area glass flowmeter, SS float, max. flow rate 8.45 SCFH (3990 ml/min) air, 1.71 GPH (108 ml/min) water.
VA12417 Variable area glass flowmeter, glass float, max. flow rate 13.4 SCFH (6318 ml/min) air, 2.33 GPH (147 ml/min) water.
VA12418 Variable area glass flowmeter, SS float, max. flow rate 25.5 SCFH (12058 ml/min) air, 5.77 GPH (364 ml/min) water.
VA12419 Variable area glass flowmeter, glass float, max. flow rate 27.9 SCFH (13153 ml/min) air, 4.9 GPH (309 ml/min) water.
VA12420 Variable area glass flowmeter, SS float, max. flow rate 52.3 SCFH (24680 ml/min) air, 11.81 GPH (745 ml/min) water.
VA12421 Variable area glass flowmeter, glass float, max. flow rate 49.1 SCFH (23169 ml/min) air, 8.27 GPH (522 ml/min) water.
VA12422 Variable area glass flowmeter, SS float, max. flow rate 89.2 SCFH (42094 ml/min) air, 19.97 GPH (1260 ml/min) water.
VA12423 Variable area glass flowmeter, glass float, max. flow rate 2.29 SCFH (1081 ml/min) air, 0.329 GPH (20.8 ml/min) water.
VA12424 Variable area glass flowmeter, SS float, max. flow rate 4.51 SCFH (2129 ml/min) air, 0.930 GPH (58.7 ml/min) water.
VA1243 Variable area glass flowmeter, glass float, max. flow rate 0.104 SCFH (49 ml/min) air, 0.009 GPH (0.55 ml/min) water.
VA1244 Variable area glass flowmeter, SS float, max. flow rate 0.307 SCFH (145 ml/min) air, 0.038 GPH (2.38 ml/min) water.
VA1245 Variable area glass flowmeter, glass float, max. flow rate 0.220 SCFH (104 ml/min) air, 0.028 GPH (1.8 ml/min) water.
VA1246 Variable area glass flowmeter, SS float, max. flow rate 0.633 SCFH (299 ml/min) air, 0.122 GPH (7.7 ml/min) water.
VA1247 Variable area glass flowmeter, glass float, max. flow rate 0.43 SCFH (202 ml/min) air, 0.041 GPH (2.6 ml/min) water.
VA1248 Variable area glass flowmeter, SS float, max. flow rate 1.1 SCFH (522 ml/min) air, 0.19 GPH (12.0 ml/min) water.

 

150 MM Scale with SS Fittings

Model Description
VA22429 Variable area glass flowmeter, glass float, max. flow rate 0.792 SCFH (374 ml/min) air, 0.087 GPH (5.5 ml/min) water.
VA22430 Variable area glass flowmeter, SS float, max. flow rate 1.725 SCFH (814 ml/min) air, 0.323 GPH (20.4 ml/min) water.
VA22433 Variable area glass flowmeter, glass float, max. flow rate 4.9 SCFH (2313 ml/min) air, 0.848 GPH (54 ml/min) water.
VA22434 Variable area glass flowmeter, SS float, max. flow rate 9.67 SCFH (4562 ml/min) air, 2.067 GPH (130 ml/min) water.
VA22435 Variable area glass flowmeter, glass float, max. flow rate 8.07 SCFH (3807 ml/min) air, 1.336 GPH (84 ml/min) water.
VA22436 Variable area glass flowmeter, SS float, max. flow rate 16.08 SCFH (7590 ml/min) air, 3.43 GPH (217 ml/min) water.
VA22437 Variable area glass flowmeter, glass float, max. flow rate 18.38 SCFH (8678 ml/min) air, 3.32 GPH (210 ml/min) water.
VA22438 Variable area glass flowmeter, SS float, max. flow rate 35.5 SCFH (16737 ml/min) air, 8.02 GPH (506 ml/min) water.
VA22439 Variable area glass flowmeter, glass float, max. flow rate 49.9 SCFH (23564 ml/min) air, 9.0 GPH (568 ml/min) water.
VA22440 Variable area glass flowmeter, SS float, max. flow rate 93.9 SCFH (44336 ml/min) air, 21.7 GPH (1370 ml/min) water.

 

PTFE 65 MM Scale with Valve

Model Description
VA15411 Variable area glass flowmeter, glass float, flow rate 2.646 SCFH (1249 ml/min) air, 0.428 GPH (27 ml/min) water.
VA15413 Variable area glass flowmeter, glass float, flow rate 4.322 SCFH (2040 ml/min) air, 0.630 GPH (39.7 ml/min) water.
VA15417 Variable area glass flowmeter, glass float, flow rate 13.39 SCFH (6318 ml/min) air, 2.33 GPH (147 ml/min) water.
VA15419 Variable area glass flowmeter, glass float, flow rate 27.9 SCFH (13153 ml/min) air, 4.9 GPH (309 ml/min) water.
VA15421 Variable area glass flowmeter, glass float, flow rate 49 SCFH (23169 ml/min) air, 8.27 GPH (522 ml/min) water.
VA1545 Variable area glass flowmeter, glass float, flow rate 0.220 SCFH (104 ml/min) air, 0.028 GPH (1.8 ml/min) water.
VA1547 Variable area glass flowmeter, glass float, flow rate 0.428 SCFH (202 ml/min) air, 0.047 GPH (2.95 ml/min) water.

 

PTFE 65 MM Scale without Valve

Model Description
VA15011 Variable area glass flowmeter, glass float, flow rate 2.646 SCFH (1249 ml/min) air, 0.428 GPH (27 ml/min) water.
VA15013 Variable area glass flowmeter, glass float, flow rate 4.322 SCFH (2040 ml/min) air, 0.630 GPH (39.7 ml/min) water.
VA15017 Variable area glass flowmeter, glass float, flow rate 13.39 SCFH (6318 ml/min) air, 2.33 GPH (147 ml/min) water.
VA15019 Variable area glass flowmeter, glass float, flow rate 27.9 SCFH (13153 ml/min) air, 4.9 GPH (309 ml/min) water.
VA15021 Variable area glass flowmeter, glass float, flow rate 49 SCFH (23169 ml/min) air, 8.27 GPH (522 ml/min) water.
VA1505 Variable area glass flowmeter, glass float, flow rate 0.220 SCFH (104 ml/min) air, 0.028 GPH (1.8 ml/min) water.
VA1507 Variable area glass flowmeter, glass float, flow rate 0.428 SCFH (202 ml/min) air, 0.047 GPH (2.95 ml/min) water.

 

PTFE 150 MM Scale with Valve

Model Description
VA25425 Variable area glass flowmeter, glass float, flow rate 0.104 SCFH (49 ml/min) air, 0.01 GPH (0.61 ml/min) water.
VA25429 Variable area glass flowmeter, glass float, flow rate 0.792 SCFH (374 ml/min) air, 0.087 GPH (5.5 ml/min) water.
VA25431 Variable area glass flowmeter, glass float, flow rate 1.75 SCFH (825 ml/min) air, 0.262 GPH (16.5 ml/min) water.
VA25435 Variable area glass flowmeter, glass float, flow rate 8.07 SCFH (3807 ml/min) air, 1.34 GPH (84.3 ml/min) water.
VA25437 Variable area glass flowmeter, glass float, flow rate 18.39 SCFH (8678 ml/min) air, 3.32 GPH (209 ml/min) water.

 

PTFE 150 MM Scale without Valve

Model Description
VA25025 Variable area glass flowmeter, glass float, flow rate 0.104 SCFH (49 ml/min) air, 0.01 GPH (0.61 ml/min) water.
VA25029 Variable area glass flowmeter, glass float, flow rate 0.792 SCFH (374 ml/min) air, 0.087 GPH (5.5 ml/min) water.
VA25031 Variable area glass flowmeter, glass float, flow rate 1.75 SCFH (825 ml/min) air, 0.262 GPH (16.5 ml/min) water.
VA25035 Variable area glass flowmeter, glass float, flow rate 8.07 SCFH (3807 ml/min) air, 1.34 GPH (84.3 ml/min) water.
VA25037 Variable area glass flowmeter, glass float, flow rate 18.39 SCFH (8678 ml/min) air, 3.32 GPH (209 ml/min) water.

 

 

 

 

Additional information

Model

VA10411, VA10412, VA10413, VA10414, VA10417, VA10418, VA10419, VA10420, VA10421, VA10422, VA10423, VA10424, VA1043, VA1044, VA1045, VA1046, VA1047, VA1048, VA20429, VA20430, VA20433, VA20434, VA20435, VA20436, VA20437, VA20438, VA20439, VA20440, VA13411, VA13413, VA13417, VA13419, VA13421, VA1343, VA1345, VA1347, VA1349, VA23429, VA23433, VA23435, VA23437, VA23439, VA12411, VA12412, VA12413, VA12414, VA12417, VA12418, VA12419, VA12420, VA12421, VA12422, VA12423, VA12424, VA1243, VA1244, VA1245, VA1246, VA1247, VA1248, VA22429, VA22430, VA22433, VA22434, VA22435, VA22436, VA22437, VA22438, VA22439, VA22440, VA15411, VA15413, VA15417, VA15419, VA15421, VA1545, VA1547, VA15011, VA15013, VA15017, VA15019, VA15021, VA1505, VA1507, VA25425, VA25429, VA25431, VA25435, VA25437, VA25025, VA25029, VA25031, VA25035, VA25037

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