Johnson Controls
Johnson Controls V-3974 Valves 1/2 in & V-9502 Pneumatic Valve Actuator Positioner
Johnson Controls V-3974 Valves 1/2 in & V-9502 Pneumatic Valve Actuator Positioner
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V-3974 Cage Trim Cast6 Brass Valves
Product: V-3974 N.C. Steam or Water Valve
Body Style and Sizes: Globe, 1/2 Through 1-1/2 in. Threaded Ends (IPT)
Control Air connection: 1/8 in. NPT Barbed Fitting for 5/32 or 1/4 in O.D. Polytubing
Max Control Pressure: 30 PSIG (210kPa)
Spring Range (Nominal): 9 to 13 PSIG (63 to 91 kPa)
Valve Body Pressure/Temperature Rating: Exceeds Requirements of ANSI B16.15, Class 250
Max Allowable Pressure/Temperature:
Steam-35 PSIG (245 kPa) Saturated
Water-400 PSIG (2800 kPa) up to 150 F (66 C), Decreasing to 345 PSIG (2415 kPa ) at 281 F (140 C)
Ambient Temperature Limits : -10 to 150 F(-23 to 66 C)
Materials:
Trim Cage: Cast Brass including Integral Seat
Trim Steam: Stainless Steel
Trim Plug: Brass with Molded and Bonded Composition Disc
Body: Cast Brass with Natural Finish
Actuator: Die Cast Aluminum
Packing: Synthetic Elastomer U-Cups
Accessories (Order Separately):Â
V-9502-15 Valve Positioner Kit
V-9502-100 Valve Positioner SpringÂ
V-3000-10 Valve Position Indicator
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V-9502 Pneumatic Valve Actuator Positioner
Product: V-9502 Pneumatic Valve Actuator Positioner
Starting Point: Adjustable from 2 to 12 PSIG (14 to 84 kPa)
Operating Span: Adjustable from 3 to 13 PSIG (21 to 91 kPa) on 3R, 4R, 5R, 8R and Kieley & Mueller Valve Actuators ; Fixed on V-3000 Actuator
Maximum Supply Pressure: 25 PSIG (175 kPa), Air Supply Must be Clean, Dry and Oil Free
Air Consumption: 5 SCIM (1.4 mL/s)
Output Flow Capacity:Â 1000 SCIM (273 mL/s) with Dual barbed Fitting; 1600 SCIM (437 mL/s) with 1/4 in. Fitting
Air Connections: 1/8 in. NPT Dual Barbed Fittings for 5/32 or 1/4 in. O.D. Polytubing.
Ambient Operating Temperature Limits : -20 to 150 F(-29 to 66 C)
Materials Body: Die Cast Aluminum with Iridite Finish
Materials Cover: Noryl
Materials Diaphragm: Fabric Reinforced Rubber
Mounting Directly to Actuator using Bracket FurnishedÂ
Shipping Weight: 2.0 lb (0.91 kg)


