Threaded Pressure Relief Valve are used for the equipment and pipelines with such medium air, ammonia and petroleum at a working temperature less than 200℃. Spring low lift type Thread safety relief valve are used for the equipment and pipelines such media as water, air and steam at a working temperature less than 200℃.
Series - 150 To 600
Spring fall lift type thread safety relief valve are used for the equipment and pipelines with such medium as of air, vapour, water and N2-H2 mixed gas at a working temperature less than 200℃.
Design Features
- Safety valve/pressure relief valve, angle type
- Low lift, metal to metal seated/soft seal
- Threaded connection end
Product Specifications
- Size 1/2″-3″ DN15-DN80
- Pressure Class "150, 300, 600" | PN16-PN100
- End Connection BSPT, BSPP, NPT
- Body Material WCB, 316, 304
- Disc Material 2Cr13/PTFE, 304/PTFE, 316
- Spring Material 50CrVA, 50CrVA coated teflon
- Stem Material A182 F6a, 410, 420, 304, 316, 17-4PH, F11, etc
- Design Standard API RP 520
- Face to Face Standard API 526
- Test Standard API 527
- Temperature Range -20℃~200℃
- Actuator Options With/Without Lever
-
Structure Style
- Spring loaded, Angle type
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Connection Standard
- BSPT, BSPP, NPT