Products
Use：
The pilot-operated safety relief valve is a safety valve of a novel structure. Mainly used in the field of oil and gas, chemical, electric power, metallurgy, and city gas compression equipment, container or piping overpressure protection device. Its main advantage is the changed the spring direct role for the indirect role of the pilot valve, to improve the sensitivity of the action, and the main valve sleeve piston action and high precision, good repeatability, high back seat pressure, good sealing performance, the band high back pressure emissions, stable and reliable, available online adjustment, operation and maintenance.
A46Y/F-16/25/40 C/P/R Main connection dimensions：
| DN | DN' | Size | |||
| do | L | L1 | ≈H | ||
| 25 | 32 | 15 | 110 | 95 | 355 |
| 25 | 50 | 15 | 114 | 105 | 365 |
| 32 | 40 | 20 | 115 | 105 | 382 |
| 40 | 50 | 25 | 121 | 124 | 402 |
| 50 | 65 | 32 | 135 | 120 | 428 |
| 50 | 80 | 32 | 124 | 137 | 442 |
| 65 | 80 | 40 | 160 | 140 | 455 |
| 80 | 100 | 50 | 162 | 156 | 465 |
| 100 | 125 | 65 | 205 | 160 | 485 |
| 100 | 150 | 65 | 210 | 197 | 515 |
| 150 | 200 | 100 | 241 | 240 | 632 |
| 200 | 250 | 125 | 279 | 276 | 695 |
A46Y/F-64/100/160 C/P/R Main connection dimensions：
| PN64~100 | PN160 | ||||||||||
| DN | DN' | do | L | L1 | ≈H | DN | DN' | do | L | L1 | ≈H |
| 25 | 32 | 15 | 110 | 100 | 372 | 25 | 50 | 13 | 121 | 126 | 445 |
| 25 | 50 | 15 | 114 | 111 | 385 | 40 | 50 | 16 | 140 | 149 | 460 |
| 32 | 40 | 20 | 130 | 110 | 398 | 50 | 80 | 32 | 171 | 167 | 495 |
| 40 | 50 | 25 | 121 | 124 | 410 | 80 | 100 | 48 | 181 | 191 | 515 |
| 50 | 65 | 32 | 160 | 130 | 445 | 100 | 150 | 60 | 233 | 249 | 575 |
| 50 | 80 | 32 | 124 | 137 | 458 | ||||||
| 65 | 80 | 40 | 175 | 160 | 485 | ||||||
| 80 | 100 | 50 | 162 | 162 | 496 | ||||||
| 100 | 125 | 65 | 195 | 195 | 520 | ||||||
| 100 | 150 | 65 | 210 | 197 | 538 | ||||||
| 150 | 200 | 100 | 241 | 264 | 638 | ||||||
| 200 | 250 | 125 | 279 | 297 | 715 | ||||||
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