1- Outlet port 2: 1/4" A-LOK compression

2- Cracking Pressure: 750-1500 psig (51.7-103.4 bar)

Automatically Selected

»	Trade Name: A-LOK®
»	Valve Type: Relief valve
»	Series: RH4
»	Pressure Range: Low pressure
»	Configuration Type: Angle
»	Inch/Metric: Inch
»	CV Factor: 0.41
»	Material: 316 Stainless steel
»	Backup ring: PTFE
»	Coded label color: Orange
»	Lubricant: Perfluorinated polyether
»	Orifice size: 0.14 Inch (3.6mm)
»	Parker Division: Instrumentation Products
»	Parker Group: Instrumentation
»	Pressure Rating: 6,000 psig (414 bar) CWP

Connection Type

Double ferrule compression (2) Male NPT / Double ferrule compression (2)

Inlet port 1

1/4" A-LOK compression (2) 1/4" male NPT (2)

Actuation

Manual override (1) Standard (1)

Handle Type

Phenolic with 316 ss handle stem (1)

Material - Seals

Ethylene propylene rubber (2) Fluorocarbon rubber (2) Highly fluorinated fluorocarbon rubber (1) Neoprene rubber (2) Nitrile rubber (2)

Operating Temperature

-10 F to 400 F (-23 C to 204 C) (2) -20 F to 200 F (-29 C to 93 C) (1) -30 F to 225 F (-34 C to 107 C) (2) -45 F to 250 F (-43 C to 121 C) (2) -70 F to 275 F (-57 C to 135 C) (2)

Special Cleaning

Cleaning for oxygen service (1)

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View Variants »Relief Valve - Angle - Manual Override - RH4

View Variants »Relief Valve - Angle - RH4

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