Proportional Relief Valves
High-Pressure Proportional Relief Valves
Specifications
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Working Pressures
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up to 6000 psig (413 bar)
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Springs
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multiple springs available for a selection of pressure ranges
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Low-Pressure Proportional Relief Valves
Specifications
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Working Pressures
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up to 300 psig (20.6 bar)
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Springs
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one spring for the full set pressure range
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Proportional Relief Valves
Options
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Seal Materials
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Fluorocarbon FKM is standard. Buna N, ethylene propylene, and neoprene are available factory-installed or in replacement seal kits for field assembly.
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Spring Kits
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Replacement spring kits are available for all models
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Manual Override Handles
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A manual override handle opens the valve without changing the set pressure. Available factory-installed or in kits for field assembly.
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Special Cleaning and Packaging
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Swagelok Special Cleaning and Packaging (SC-11) to ensure compliance with product cleanliness requirements stated in ASTM G93 Level C.
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Proportional Safety-Relief Valve, High-Pressure
Specifications
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Working Pressures
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up to 5800 psig (400 bar)
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Set Pressure
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145 to 5800 psig (10.0 to 400 bar)
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Seal Materials
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Fluorocarbon FKM and nitrile
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