Parker Relief Valve
- Manufacturer: Parker Instrumentation
- Product Family: RH4A Series
- Application: Monitoring Line, Process Control Line, Research Equipment
- Body Material: ASTM A182 F316 Stainless Steel
- End Connection: CPI Single Ferrule Compr. x CPI Single Ferrule Compr.
- Inlet Size: 1/4 in.
- Outlet Size: 1/4 in.
- Pressure Rating: 6000 PSIG CWP, 50 to 350 PSIG (Cracking)
- Seal Material: Fluorocarbon Rubber
- Spring Material: 17-7 Stainless Steel
- Temperature Rating: -10°F to 400 °F
Ball Valve; Type 3-Way, Panel Mount; Actuation Type Selector 180 Degree Lever Handle; Nominal Size 1/2 Inch x 1/2 Inch x 1/2 Inch; End Connection Female Threaded x Female Threaded x Female Threaded; End to End Distance 4.3 Inch; Ball Material 316 Stainless Steel; Body Material ASTM A351 Grade CF3M 316 Stainless Steel; Stem Material ASTM A276 316 Stainless Steel; Seat Material Spring-Loaded PTFE Lubricated PEEK; Seal Material PTFE; Handle Material Black Nylon 6/6; Temperature Rating -65 to 350 Deg F; Pressure Rating 6000 PSIG CWP; Inclusions/Features PTFE Connector O-Ring/Back-Up O-Ring/Stem Seal, 316 Stainless Steel Stem Washer/Panel Mounting Nut/Seat Retainer/End Connector/Packing Nut/Seat Retainer Washer, Stainless Steel Handle Set Screw/Spring, Fluorocarbon Rubber Seat Retainer O-Ring; Application Flow Diversion/Selection, Quick Fill System, Process Mixing System, Instrument Panel, Remote Shut-Off; Orifice Diameter 0.406 Inch; Flow Capacity 3.62 CvFeatures/Benefits
Micro-Finished Ball Provides a Positive Seal; Adjustable PTFE Stem Seal Can be Maintained In-Line; Handle Indicates Direction of Flow; Low Operating Torque; Positive Handle StopSeries/Model Information
Parker's B Series Ball Valves are available manually, pneumatically, and electrically actuated. They provide quick on-off control of fluids utilized in process and instrumentation applications. A broad selection of valve body, seat, and seal materials provide a wide range of pressures (up to 6,000 PSI) and temperatures (up to 450F/232C) at which the valve may be used.Inclusions
PTFE Back-Up Ring/Washer, 316 Stainless Steel Cap/Upper Stem/Bonnet/Lower Stem/Stem Guide/Handle Stem/Locknut, Ethylene Propylene Rubber Stem Seal/Seat, Zinc Plated Steel Plug, Phenolic Handle