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.
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 |