Full Lift Pressure Safety Valve
| Parts name | Materials |
| Valve body | WCB |
| Seat ring,Adjusting ring,Valve guide,Adjusting screw,Stem | 2Cr13,Stainless steel |
| Bonnet,Protective cover | WCB |
| Spring | 50CrVA,Spring steel |
Functions:
| Type | Nominal pressure(MPa) | Testing pressure | Working pressure classes |
| A41H-16C | 1.6 | 2.4 | 0.1-0.14 0.14-0.2 0.2-0.3 0.3-0.45 0.45-0.65 Â 0.65-0.9 Â 0.9-1.2 Â 1.2-1.6 |
Dimension:
| Dimensions(mm)Â Â 150 Lb | |||||||||||||||||
| Nominal Diameter(in) | d0 | D | D1 | D2 | b | t | Z-Φd | DN’ | D’ | D1′ | D2′ | b’ | t | Z’-Φd’ | L | L1 | H |
| 1/2″x3/4″ | D | 89 | 60.5 | 35 | 12 | 5 | 4-15 | 20 | 98 | 70 | 43 | 14 | 1.6 | 4-15 | 90 | 90 | 290 |
| 3/4″x1″ | D | 98 | 70 | 43 | 14 | 5 | 4-15 | 25 | 108 | 79.5 | 51 | 15 | 1.6 |  4-15 | 96 | 92 | 310 |
| 1″x11/2″ | D | 108 | 79.5 | 51 | 15 | 5 | 4-15 | 40 | 127 | 98.5 | 73 | 18 | 1.6 |  4-15 | 115 | 105 | 320 |
| 1″x2″ | D | 108 | 79.5 | 51 | 15 | 5 | 4-15 | 50 | 152 | 120.5 | 92 | 18 | 1.6 |  4-19 | 115 | 105 | 320 |
| 11/2″x2″ | G | 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″ | G | 127 | 98.5 | 73 | 18 | 5 | 4-15 | 65 | 178 | 139.5 | 105 | 20 | 1.6 | 4-19 | 121 | 124 | 360 |
| 11/2″x3″ | G | 127 | 98.5 | 73 | 18 | 5 | 4-15 | 80 | 190 | 152.5 | 127 | 22 | 1.6 | 4-19 | 124 | 130 | 360 |
| 2″x21/2″ | H | 152 | 120.5 | 92 | 18 | 5 | 4-19 | 65 | 178 | 139.5 | 105 | 20 | 1.6 | 4-19 | 124 | 130 | 380 |
| 2″x3″ | J | 152 | 120.5 | 92 | 18 | 5 | 4-19 | 80 | 190 | 152.5 | 127 | 22 | 1.6 | 4-19 | 124 | 130 | 380 |
| 21/2″x4″ | J | 178 | 139.5 | 105 | 20 | 5 | 4-19 | 100 | 229 | 190.5 | 157 | 24 | 1.6 | 8-19 | 143 | 137 | 380 |
| 3″x4″ | L | 190 | 152.5 | 127 | 22 | 5 | 4-19 | 100 | 229 | 190.5 | 157 | 24 | 1.6 | 8-19 | 162 | 156 | 480 |
| 4″x6″ | N | 229 | 190.5 | 157 | 24 | 10 | 8-19 | 150 | 279 | 241.5 | 216 | 26 | 1.6 | 8-22 | 210 | 197 | 540 |
| 6″x8″ | P | 279 | 241.5 | 216 | 26 | 10 | 8-22 | 200 | 343 | 298.5 | 270 | 29 | 1.6 | 8-22 | 241 | 240 | 760 |
| 8″x10″ | R | 343 | 298.5 | 270 | 29 | 10 | 8-22 | 250 | 406 | 362 | 324 | 31 | 1.6 | 12-25 | 279 | 276 | 830 |
| 12″x14″ | T | 483 | 432 | 381 | 32 | 10 | 12-25 | 350 | 533 | 476 | 413 | 35 | 1.6 | 12-25 | 370 | 360 | 890 |
