Spring Fall Lift Closed High Pressure Safety Valve
manufacturer: Shanghai MeiYan Yi Pump & Valve Co., Ltd.
Eml: sales@1bengfa.com
Tel: +86 (21) 5640 2009
Mob: +86 138 1691 3072（WeChat Same Account）
product drawing
A42Y-160/320C/P/R safety valves
Appications
A42Y-160/320 type spring fall lift closed high pressure safety valve is applied to equipments and pipes of air, ammonia hydrogen gas mixture and other media that woring temperature is ≤ 200 ℃. A42Y-160P/320P, A42Y-160R/320R type spring fall lift closed high pressure safety valve is suitable for corrosive media equipments and pipes that working temperature is ≤ 200 ℃, used as the overpressure protection device. The aboved types of valves connection flange is according to JB/T2769-92 standards.
Dimensions & constructral diagram
A42Y-160/320C/P/R safety valve constructral diagram
The materials of main parts
| No. | Part name | A42Y-160 A42Y-320 Materials | A42Y-160P A42Y-320P Materials | A42Y-160R A42Y-320R Materials |
| 1 | Flange | 35/35CrMoA | 2Cr13 | 1Cr18Ni12Mo2Ti |
| 2 | Seat | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 3 | Body | 40 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 4 | Adjusting ring | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 5 | Disc | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 6 | recoil plate | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 7 | Guide sleeve | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 8 | Bonnet | ZG230-450 | ZG230-450 | ZG230-450 |
| 9 | Stem | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
| 10 | Spring | 50CrVA | 50CrVA packed with fluoroplastic | 50CrVA packed with fluoroplastic |
| 11 | Adjusting bolt | 45 | 2Cr13 | 2Cr13 |
| 12 | Cap | ZG200-400 | ZG200-400 | ZG200-400 |
| Sealing surface material | bead weld Co-based hard alloy | |||
External and connection dimensions(mm)
| type | nominal diameter (DN) | do | d | M | K | D | Z-Фd | b | d1 | M1 | K1 | D1 | Z1-Фd1 | b1 | L | L1 | H |
| A42Y -160 | 15 | 8 | 20 | M24×2 | 60 | 95 | 3-18 | 20 | 29 | M42×2 | 80 | 115 | 4-18 | 22 | 95 | 100 | 220 |
| 20 | 8 | 27 | M33×2 | 68 | 105 | 3-18 | 20 | 29 | M42×2 | 80 | 115 | 4-18 | 22 | 95 | 100 | 220 | |
| 25 | 14 | 28 | M33×2 | 68 | 105 | 3-18 | 20 | 50 | M64×3 | 115 | 165 | 6-26 | 32 | 150 | 150 | 280 | |
| 32 | 15 | 37 | M42×2 | 80 | 115 | 4-18 | 22 | 50 | M64×3 | 115 | 165 | 6-26 | 32 | 150 | 150 | 390 | |
| 40 | 20 | 47 | M52×2 | 115 | 165 | 6-26 | 28 | 65 | M80×3 | 145 | 200 | 6-29 | 40 | 180 | 180 | 495 | |
| 50 | 25 | 59 | M64×3 | 115 | 165 | 6-26 | 32 | 80 | M100×3 | 170 | 225 | 6-33 | 50 | 165 | 165 | 400 | |
| A42Y -320 | 15 | 8 | 27 | M33×2 | 68 | 105 | 3-18 | 20 | 29 | M42×2 | 80 | 115 | 4-18 | 22 | 95 | 100 | 220 |
| 20 | 8 | 30 | M33×2 | 75 | 110 | 3-18 | 22 | 29 | M42×2 | 80 | 115 | 4-18 | 22 | 95 | 100 | 220 | |
| 25 | 14 | 35 | M42×2 | 80 | 115 | 4-18 | 22 | 50 | M64×3 | 115 | 165 | 6-26 | 32 | 150 | 150 | 280 | |
| 32 | 15 | 41 | M48×2 | 95 | 135 | 4-22 | 25 | 50 | M64×3 | 115 | 165 | 6-26 | 32 | 150 | 150 | 390 | |
| 40 | 20 | 58 | M64×3 | 115 | 165 | 6-26 | 32 | 65 | M80×3 | 145 | 200 | 6-29 | 40 | 180 | 180 | 495 | |
| 50 | 25 | 70 | M80×3 | 145 | 200 | 6-29 | 40 | 80 | M100×3 | 170 | 225 | 6-33 | 50 | 165 | 165 | 400 | |
| A42Y-400 | 32 | 15 | 41 | M48×2 | 95 | 135 | 4-22 | 25 | 50 | M64×3 | 115 | 165 | 6-26 | 32 | 150 | 150 | 397 |
