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Size: 1/2 thru 2 inch

Pressure Limit: 400 psig

Applications: Over pressure relief and protection of pumps, tanks, lines and hydraulic systems. For acid or other corrosive liquids that require steel, iron or stainless steel materials.

Features: Extra-heavy, rugged construction. Seats lapped for optimum performance.

Iron, steel and stainless steel Relief Valves for Liquid Service image
Items Iron, steel and stainless steel Relief Valves for Liquid Service image
Model 71S
Iron, Steel, Stainless Steel Relief Valves for Liquid Service
Iron, steel and stainless steel Relief Valves for Liquid Service image
Model 171
Iron, Steel, Stainless Steel Relief Valves for Liquid Service
Iron, steel and stainless steel Relief Valves for Liquid Service image
Model 171P
Iron, Steel, Stainless Steel Relief Valves for Liquid Service
Iron, steel and stainless steel Relief Valves for Liquid Service image
Model 171S
Iron, Steel, Stainless Steel Relief Valves for Liquid Service
Description N/A Cast iron body with SS seat and disc. Pressure tight hood. N/A CS body with SS seat and disc. Pressure tight hood. N/A CS body with SS seat and disc. Pressure tight hood. With packed lift lever. N/A All 316 Stainless Steel construction including spring. Available w/ pressure-tight hood or packed lift lever.
Pressure Limit N/A 400 psig
Temperature Limit N/A 400°F
Manufacturer N/A North American Safety Valve