specification:
1) GB, ANSI, DIN, BS and JIS standards and non-standard
2) We are certificated with DNV, CE and API
3) Connect: flange, screw, welding
4) Types: handle, hand wheel, gas, electrical, hydraulic
2) We are certificated with DNV, CE and API
3) Connect: flange, screw, welding
4) Types: handle, hand wheel, gas, electrical, hydraulic
STANDARDS COMPLIANCE
1) design:GB12237-89
2) flange connection:GB/T17241.6-1998,GB/T9115
3) face to face/end to end:GB12221-89
Structure feature:
1)its special structure make its seal surface anti-corrosion, wear resistant.
2)good seal performance, zero leakage to transport harm gas.
3)long working life.
4) API 6D, CE, ISO Approved
5) Reliable seal performance
6) Hard seal
5) Reliable seal performance
6) Hard seal
If you are interested in our products and want to know more, please contact with us. We will reply as soon as possible.
nominal pressure | inside nominal diameter | size(mm) | ||||||||
L | D | D1 | D2 | D6 | C | f | Z-φd | |||
mm | in | flange | ||||||||
Flange Standards JB/T79.1-1-94 Valve structural length GB12221-89 1.6 | 50 | - | 178 | 180 | 126 | lOO | - | 18 | 3 | 4-18 |
65 | - | 190 | 180 | 145 | 120 | - | 18 | S | 4-18 | |
80 | - | 203 | 196 | 160 | 135 | - | 20 | S | 4-18 | |
lOO | - | 229 | 215 | 180 | 156 | - | 20 | 3 | 8-18 | |
125 | - | 254 | 246 | 2lO | 185 | - | 22 | 3 | 8-18 | |
150 | - | 267 | 280 | 24O | 2lO | - | 24 | 3 | 8-23 | |
200 | - | 292 | 335 | 296 | 266 | - | 26 | S | 12-23 | |
250 | - | 330 | 105 | 366 | 320 | - | 30 | 3 | 12-25 | |
300 | - | 356 | 460 | 4lO | 375 | - | 32 | 4 | 12-26 | |
350 | - | 381 | 620 | 470 | 436 | - | 34 | 4 | 16-25 | |
400 | - | 406 | 680 | 526 | 485 | - | 36 | 4 | 16-30 | |
450 | - | 502 | 640 | S86 | 545 | - | 40 | 4 | 20-30 | |
500 | - | 533 | 705 | 650 | 608 | - | 44 | 4 | 20-34 | |
600 | - | 686 | 840 | 770 | 718 | - | 48 | 5 | 20-41 | |
700 | - | 762 | 9lO | 840 | 788 | - | 60 | 5 | 24-41 | |
800 | - | 864 | 1020 | 950 | 898 | - | 52 | 5 | 24-41 |