PSV Badly pitted issue
PSV Badly pitted issue
(OP)
Dear Expert,
We have a PSV in dry cl2 service; the vessel is using to suction chiller waste receivers. The contents of service are ccl4, H2SO4, Na2So4, some cl2, some moisture, etc.
The PSV is pitted badly and consequences of leak.
The material of PSV IS, Nozzle and Disc. 316SS—Guide 430ss—Spring Material cs. Size inlet 3inch and out let 4inch
Question is. Could you suggest the batter material and cost-effective to resolve the issues?
We have a PSV in dry cl2 service; the vessel is using to suction chiller waste receivers. The contents of service are ccl4, H2SO4, Na2So4, some cl2, some moisture, etc.
The PSV is pitted badly and consequences of leak.
The material of PSV IS, Nozzle and Disc. 316SS—Guide 430ss—Spring Material cs. Size inlet 3inch and out let 4inch
Question is. Could you suggest the batter material and cost-effective to resolve the issues?





RE: PSV Badly pitted issue
Please update with design and operating temperature and pressure conditions. Also, please provide % content of each of the constituent of service fluid.
Thanks.
Shashank
RE: PSV Badly pitted issue
RE: PSV Badly pitted issue
As ehbadger says: Choice 1 (ceaapest) rupture device or rupture devce protected psv.
Choice 2: PSV with wetted parts in fluid resistance materials/exotic materials.