Low Temperature Gate Valve Forged Steel
Model: DZ61, DZ11, DHZ61, DHZ11
Working pressure: 150LB-8000LB / 150LB-600LB
Connection type: 1-Female thread, 6-Socket welding
Size: 3/8”-2”
Design standard: ASME/ANSI B16.34, API602, GB/T12224, GB/T12228, GB/T12224, JB/T7749
Thread end dimension: ANSI B1.20.1(NPT), GB/T1751
Butt welding end size: ANSI B16.11, JB/T1751
Main body material: LF2, LF3, F304, F304L, F316, F316L
Inspection and test: API598 or JB/T7749
Standard: GB, JB, HG, JIS, JPI, API, ANSI, ASME
| NPS |
Reduced port
|
1/2" | 3/4" | 1" | 1 1/4" | 1 1/2" | 2" | / |
|
Full port
|
3/8 | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | |
| L | 79 | 92 | 111 | 120 | 120 | 140 | 178 | |
| H(open) | 330 | 333 | 360 | 407 | 475 | 475 | 551 | |
| W | 100 | 100 | 125 | 160 | 160 | 180 | 200 | |
| Weight | Screw type | 5.2 | 7.1 | 9.4 | 12.5 | 15.0 | 17.8 | 28.0 |
| Welded type | 4.8 | 6.4 | 8.7 | 12.2 | 13.4 | 15.2 | 26.0 | |
| No. | Parts name | AS to ASTM | SS to ASTM | ||
| Type Lf2 | Type Lf3 | Type F304(L) | Type F316(L) | ||
| 1 | Body | A352 Lf2 | A352 Lf2 | A182 F304(L) | A182 F316(L) |
| 2 | Seat | A276 410+STL | A276 304+STL | A276 304(L)+STL | A276 316(L)+STL |
| 3 | Disc | A352 Lf2+STL | A352 Lf3+STL | A182 F304(L)+STL | A182 F316(L)+STL |
| 4 | Stem | A182 F6a | A182 F304 | A182 F304(L) | A182 F316(L) |
| 5 | Gasket | SS + Flexible graphite | |||
| 6 | Bonnet | A352 Lf2 | A182 LF2 | A182 F304(L) | A182 F316(L) |
| 7 | Bonnet/bolt | A193 L7 | A193 L7 | A193 B8 | A193 B8M |
| 8 | Cylindrical pin | A276 420 | A276 304 | ||
| 9 | Packing gland | A182 F304(L) | A182 F316(L) | ||
| 10 | Gland eyebolt | A193 L7 | A193 L6 | A193B8 | A193B8M |
| 11 | Gland flange | WCB | A182 F11 | A182 F304(L) | A182 F316(L) |
| 12 | Nut | A194 2H | A1944 | A194 8 | A194 8M |
| 13 | Stem nut | A276 420 | |||
| 14 | H.W. lock nut | A194 2H | A1944 | A194 8 | A194 8M |
| 15 | Marking | SS | |||
| 16 | Handwheel | A197 | |||
| 17 | Lubricating gasket | A473 431 | |||
| 18 | Packing | Flexible graphite | PTFE | ||
| Applicable temperature | ≥-40℃ | ≥-101℃ | ≥-196℃ | ||
