Pressure Safety Valve
Body: WCB, WCC, SS304, SS316
Stem: Stainless Steel
Bonnet: WCB
Seat Ring: Stainless Steel
Adjusting Ring: Stainless Steel
Cover: Stainless Steel
Valve guide: Stainless Steel
Spring: Steel
Nominal Size: DN15 to DN350
Nominal Pressure: PN16 to PN64, Class150 to Class600
End Connection: Flanged
Dimensions
Class 150
| DN | D | D1 | D2 | b | t |  Z-Φd | DN’ | D’ | D1′ | D2′ | b’ | t’ | Z’-Φd’ |  L | L1 | H |
| 1/2″x3/4″ | 89 | 60.5 | 35 | 12 | 5 | 4-15 | 20 | 98 | 70 | 43 | 14 | 1.6 | 4-15 | 90 | 90 | 290 |
| 3/4″x1″ | 98 | 70 | 43 | 14 | 5 | 4-15 | 25 | 108 | 79.5 | 51 | 15 | 1.6 | 4-15 | 96 | 92 | 310 |
| 1″x11/2″ | 108 | 79.5 | 51 | 15 | 5 | 4-15 | 40 | 127 | 98.5 | 73 | 18 | 1.6 | 4-15 | 115 | 105 | 320 |
| 1″x2″ | 108 | 79.5 | 51 | 15 | 5 | 4-15 | 50 | 152 | 120.5 | 92 | 18 | 1.6 | 4-19 | 115 | 105 | 320 |
| 11/2″x2″ | 127 | 98.5 | 73 | 18 | 5 | 4-15 | 50 | 152 | 120.5 | 92 | 18 | 1.6 | 4-19 | 121 | 124 | 350 |
| 11/2″x21/2″ | 127 | 98.5 | 73 | 18 | 5 | 4-15 | 65 | 178 | 139.5 | 105 | 20 | 1.6 | 4-19 | 121 | 124 | 360 |
| 11/2″x3″ | 127 | 98.5 | 73 | 18 | 5 | 4-15 | 65 | 178 | 139.5 | 105 | 20 | 1.6 | 4-19 | 124 | 130 | 360 |
| 2″x21/2″ | 152 | 120.5 | 92 | 18 | 5 | 4-19 | 80 | 190 | 152.5 | 127 | 22 | 1.6 | 4-19 | 124 | 130 | 380 |
| 2″x3″ | 152 | 120.5 | 92 | 18 | 5 | 4-19 | 80 | 190 | 152.5 | 127 | 22 | 1.6 | 4-19 | 124 | 130 | 380 |
| 21/2″x4″ | 178 | 139.5 | 105 | 20 | 5 | 4-19 | 100 | 229 | 190.5 | 157 | 24 | 1.6 | 8-19 | 143 | 137 | 380 |
| 3″x4″ | 190 | 152.5 | 127 | 22 | 5 | 4-19 | 100 | 229 | 190.5 | 157 | 24 | 1.6 | 8-19 | 162 | 156 | 480 |
| 4″x6″ | 229 | 190.5 | 157 | 24 | 10 | 8-19 | 150 | 241.5 | 241.5 | 216 | 26 | 1.6 | 8-22 | 210 | 197 | 540 |
| 6″x8″ | 279 | 241.5 | 216 | 26 | 10 | 8-22 | 200 | 298.5 | 298.5 | 270 | 29 | 1.6 | 8-22 | 241 | 240 | 760 |
| 8″x10″ | 343 | 298.5 | 270 | 29 | 10 | 8-22 | 250 | 362 | 324 | 324 | 31 | 1.6 | 12-25 | 279 | 276 | 830 |
| 12″x14″ | 483 | 432 | 381 | 32 | 10 | 12-25 | 350 | 476 | 413 | 413 | 35 | 1.6 | 12-25 | 370 | 370 | 890 |
