Globe Valve > Products >Square Flange Ammonia Globe Valve
Square Flange Ammonia Globe 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
Square flange ammonia globe valves
Product type：
J41B-25/C/Z/P
Dimensions & constructral diagram
Square flange ammonia globe valve constructral diagram
The materials of main parts
| part name | body,bonnet | sealing ring | packing | packing gland | Stem | gasket |
| J41B-25C | cast steel | babbit alloy | PTFE | carbon steel | PTFE | |
| J41B-25Z | grey cast iron | |||||
| J41B-25P | stainless steel | stainless steel | ||||
| J41F-25Z | grey cast steel | carbon steel | ||||
Performance and specifications
| nominal pressure PN（MPA） | test pressure PS（MPa） | applicable medium | suitable temperature（°C） | |
| 2.5 | 3.8 | ammonia,ammonia liquid NH3 | babbit alloy -40°C +150°C | PTFE -40°C +200°C |
| 4.0 | 6.4 | |||
Main dimensions and weight
| nominal diameter DN（mm） | dimensions（mm） | weight （kg） | |||||||||||
| L | D | D1 | D2 | D4 | b | f | f1 | Z-φd | closed | open | D3 | ||
| 10 | 130 | 90 | 60 | 40 | 35 | 16 | 2 | 4 | 4-φ14 | 165 | 185 | 110 | |
| 15 | 130 | 95 | 65 | 45 | 40 | 16 | 2 | 4 | 4-φ14 | 165 | 185 | 110 | |
| 20 | 150 | 105 | 75 | 55 | 51 | 18 | 2 | 4 | 4-φ14 | 170 | 200 | 120 | |
| 25 | 160 | 115 | 85 | 65 | 58 | 18 | 2 | 4 | 4-φ14 | 197 | 210 | 120 | |
| 32 | 180 | 135 | 100 | 78 | 66 | 20 | 2 | 4 | 4-φ18 | 199 | 213 | 140 | |
| 40 | 200 | 145 | 110 | 85 | 76 | 20 | 3 | 4 | 4-φ18 | 248 | 264 | 160 | |
| 50 | 230 | 160 | 125 | 100 | 88 | 22 | 3 | 4 | 4-φ18 | 265 | 295 | 180 | |
| 65 | 290 | 180 | 145 | 120 | 110 | 24 | 3 | 4 | 8-φ18 | 310 | 349 | 220 | |
| 80 | 310 | 195 | 160 | 135 | 121 | 26 | 3 | 4 | 8-φ18 | 340 | 357 | 240 | |
| 100 | 350 | 230 | 190 | 160 | 150 | 30 | 3 | 4.5 | 8-φ23 | 380 | 413 | 280 | |
| 125 | 400 | 270 | 220 | 188 | 176 | 32 | 3 | 4.5 | 8-φ25 | 430 | 451 | 320 | |
| 150 | 480 | 300 | 250 | 218 | 204 | 32 | 3 | 4.5 | 8-φ25 | 505 | 492 | 360 | |
| 200 | 600 | 360 | 310 | 278 | 260 | 34 | 3 | 4.5 | 12-φ25 | 550 | 806 | 400 | |
| 250 | 650 | 425 | 370 | 335 | 31 | 36 | 3 | 4.5 | 12-φ30 | 730 | 880 | 450 | |
| 300 | 750 | 485 | 430 | 390 | 364 | 40 | 3 | 4.5 | 16-φ30 | - | 995 | 550 | |
