Lined Gate 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
Electric fluorin-lined gate valve ZG941F46
Dimensions & constructral diagram
ZG41Fx manual flange connected wedge gate valve
ZG541Fx bevel gear flange connected wedge gate valve
| Performance specification | Design specification | Face to face dimension | Connecting flange | Test and inspection | Product identification | Supply specifiaction |
| GB/T 12232 (GB/T 12234) | GB/T 12221 | JB/T 78; JB/T 79 | GB/T 13927 | GB/T 12220 | JB/T 7928 |
The materials of main parts
| No. | Part name | Gray cast iron | Cast steel | Acid-resistant stainless steel | Ultra-low carbon acid-resistant stainless steel | ||
| Z | C | P | R | Pl | Rl | ||
| 1 | disc/bonnet/disc | HT250 | WCB | CF8 | CF8M | CF3 | CF3M |
| 2 | stem | 1Cr13 | 2Cr13 | 1Cr18Ni9 | 1Cr18Ni12Mo2Ti | 00Cr18Ni10 | 00Cr17Ni14Mo2 |
| 3 | lined/ seat | PTFE(F4),PCTFE(F3),FEP(F43),PFA(Soluble F4) | |||||
| 4 | packing/gland | WCB | CF8 | CF8M | CF3 | CF3M | |
| 5 | packing | PTFE(F4) | PTFE(F4) | PTFE(F4) | |||
| 6 | eyebolt | 35 | 1Cr17Ni2 | 1Cr17Ni2 | |||
| 7 | Stem nut | ZCuAl10Fe3 | ZCuAl10Fe3 | ZCuAl10Fe3 | |||
| 8 | jam bolt | 35 | 1Cr17Ni2 | 1Cr18Ni9Ti | |||
| 9 | nut | 45 | 0Cr18Ni9 | 0Cr18Ni9 | |||
| 10 | handwheel | WCB | WCB | WCB | |||
Main external and connection dimensions
| Nominal diameter | Standard Value | Reference value | ||||||||||
| DN (mm) | NPS (Inch) | L | D | D1 | D2 | f | b | Z-φd | D0 | H | H1 | WT(Kg) |
| PN 0.6Mpa | ||||||||||||
| 15 | 1/2 | 130 | 80 | 55 | 40 | 2 | 12 | 4-φ12 | 100 | 100 | 120 | 5 |
| 20 | 3/4 | 150 | 90 | 65 | 50 | 2 | 14 | 4-φ12 | 100 | 120 | 140 | 6 |
| 25 | 1 | 160 | 100 | 75 | 60 | 2 | 14 | 4-φ12 | 120 | 130 | 150 | 7 |
| 32 | 1 1/4 | 180 | 120 | 90 | 70 | 2 | 16 | 4-φ14 | 120 | 156 | 185 | 10 |
| 40 | 1 1/2 | 240 | 130 | 100 | 80 | 3 | 16 | 4-φ14 | 160 | 165 | 205 | 18 |
| 50 | 2 | 250 | 140 | 110 | 90 | 3 | 16 | 4-φ14 | 160 | 350 | 400 | 25 |
| 65 | 2 1/2 | 270 | 160 | 130 | 110 | 3 | 16 | 4-φ14 | 180 | 370 | 435 | 30 |
| 80 | 3 | 280 | 185 | 150 | 125 | 3 | 18 | 4-φ18 | 180 | 430 | 510 | 43 |
| 100 | 4 | 300 | 205 | 170 | 145 | 3 | 18 | 4-φ18 | 220 | 495 | 595 | 58 |
| 125 | 5 | 325 | 235 | 200 | 175 | 3 | 20 | 8-φ18 | 220 | 610 | 735 | 100 |
| 150 | 6 | 350 | 260 | 225 | 200 | 3 | 20 | 8-φ18 | 240 | 670 | 820 | 115 |
| 200 | 8 | 400 | 315 | 280 | 255 | 3 | 22 | 8-φ18 | 240 | 815 | 1015 | 145 |
| 250 | 10 | 450 | 370 | 335 | 310 | 3 | 24 | 12-φ18 | 240 | 958 | 1215 | 230 |
| 300 | 12 | 500 | 435 | 395 | 362 | 4 | 24 | 12-φ23 | 280 | 1140 | 1440 | 335 |
| 350 | 14 | 550 | 485 | 445 | 412 | 4 | 26 | 12-φ23 | 280 | 1275 | 1625 | 540 |
| 400 | 16 | 600 | 535 | 495 | 462 | 4 | 28 | 16-φ23 | 320 | 1445 | 1845 | 670 |
| 450 | 18 | 650 | 590 | 550 | 518 | 4 | 28 | 16-φ23 | 320 | 1530 | 1980 | 780 |
| 500 | 20 | 700 | 640 | 600 | 568 | 4 | 30 | 16-φ23 | 360 | 1725 | 2225 | 850 |
