Sizes
: 1/2 thru 3 inch

Pressure Limits: 300 PSIG-300°F

Applications: Over pressure relief and protection of pumps, tanks, lines and hydraulic systems

Features: Extra-heavy, rugged construction. Both inlet and outlet connections are cast integral with body to permit easy inspection and servicing without disconnecting piping.

 

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Item

Description

Pressure Limit

Temperature Limit

Model 19 N/A All bronze, equipped with handwheel for easy adjustment within spring ranges. N/A 1 to 300 psig N/A -60°F to 406°F
Model 20 N/A All bronze, with pressure-tight cap. Suitablefor maximum back pressure of 50 psig. N/A 1 to 300 psig N/A -60°F to 406°F
Model 19M N/A Same as model 19 except with SS trim (seat and disc) N/A 1 to 500 psig N/A -60°F to 406°F
Model 20M N/A Same as model 20 except with SS trim (seat and disc) N/A 1 to 500 psig N/A -60°F to 406°F
Model 20P N/A Same as model 20 except with packed lift lever N/A 1 to 500 psig N/A -60°F to 406°F
Model 20MP N/A Same as model 20M except with packed lift lever N/A 1 to 500 psig N/A -60°F to 406°F
Model 200A N/A Special non-chattering design N/A 10 to 200 psig N/A -60°F to 406°F
Model 200H N/A UL listed for use with fuel oils. N/A 10 to 200 psig N/A -60°F to 406°F
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