Internal High Flow Pressure Relief Device.  Flow Rating = 21,272 SCFM.  Set Pressures:  75 PSIG.  Available with carbon steel or 316 SST body.  Springs available as carbon steel with dichromate zinc plating or powder coating, or uncoated stainless steel.  Eight 3/4″ bolt holes on 10-1/4″ bolt circle with flat faced or tongue connection with or without pipe.


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Common Variation Model Numbers

Common Variation Model No.Part Number
SRV-I075C-CSCP-F5 085381
SRV-I075C-CSCP-F11 510866
SRV-I075C-CSCP-F12 511055
SRV-I075C-SSSS-F5 510282
SRV-I075C-SSSS-F11 510867
SRV-I075C-SSSS-F12 510794
SRV-I075C-SSSS-F13 514464

AAR Approval Documents

Product NameFile LabelDownload
75 PSIG SRV High FlowPRD-127009 Download PDF

Replacement Parts

Part NumberDescriptionQuantity
023697-01Body Flange, Carbon Steel1
510793-01Body Flange w/Pipe, 316 SST1
105492-01Spring, Carbon Steel1
111356-01Spring, SST1
023704-01Spring Retainer, Carbon Steel1
111321-01Spring Retainer, SST1
085385-01Support Bearing, Carbon Steel1
510311-01Support Bearing, SST1
506713-01Poppet and Stem S/A, Carbon Steel Valve1
510312-01Poppet and Stem S/A, SST Valve1
023709-01Poppet Cap, Carbon Steel1
111323-01Poppet Cap, SST1
023710-01Discharge Nozzle, Carbon Steel1
111319-01Discharge Nozzle, SST1
316-3850Hex Head Cap Screw, 3/8-16 UNC-2A x 1/2 LG., Carbon Steel1
304-9085Hex Head Cap Screw, 3/8-16 UNC-2A x 1/2 LG., SST1
023716-01Stem Cover1
316-3810Safety Wire, .032 Dia.2 LFT
316-3860Hex Head Cap Screw, 1/2-13 UNC-2A x 4 LG, Carbon Steel3
304-9230Hex Head Cap Screw, 1/2-13 UNC-2A x 4 LG, SST3
316-4680Lock Washer, External Tooth, Carbon Steel3
305-9581Lock Washer, External Tooth, SST3
MV10019-01Hvy. Hex Nut, 3/4-10 UNC-2B, Carbon Steel1
111325-01Hvy. Hex Nut, 3/4-10 UNC-2B, SST1
023703-01Hvy. Hex Locknut, w/Holes, 3/4-10 UNC-2B, Carbon Steel1
111326-01Hvy. Hex Locknut, w/Holes, 3/4-10 UNC-2B, SST1
304-20073Cap Screw, 5/16-18 UNC-2A x 5/8 LG., Carbon Steel4
304-20074Cap Screw, 5/16-18 UNC-2A x 5/8 LG., SST4
305-8799Washer, Buna-N1
316-3900Disc Seal, w/2 Holes3
See Repair KitO-Ring, 2-3471