Category: Bellow sealed gate valve
Tel: +86-13736311582
Fax: +86-577-67358700
E-mail: sale@greatdesignvalve.com
APPLICATION:
Hot oil system, steam system, hot and cold water system etc.
PRODUCT MAIN ADVANTAGE:
1.Bellow seal element. The key part of bellow sealed gate valves
is metal bellow. It is the connection between cover and stem
with automatic roll welding. The metal bellow can keep the
stem part no leakage.
2.Double seal design(bellows+packing). Bellow and packing
can protect against leakage and provide a excellent seal.
3.Grease nipple. It can direct lubricate the stem, nut and sleeve.
4.Ergonomic handwheel. It provide longer service life and easier
operation.
STANDARD
Design: API600/API6D
Face to face: ASME B 16.10
Flange: ASME B 16.5
Bellows: MSS-SP 117
BW-ends:ASME B 16.25
Pressure test: API598
MAIN PARTS MATERIALS
| NO. | Part name | Material |
| 1 | Body | WCB、CF8、CF8M |
| 2 | Seat | 304、Stelite |
| 3 | Disc | WCB+13Cr、CF8、CF8M |
| 4 | Stem | 13Cr、F304、F316 |
| 5 | Bellows | S.S304、S.S316L |
| 6 | Screw nut | ASTMA194-2H、A194-8、A194-8M |
| 7 | Stud | ASTMA194-B7、A193-B8、A193-B8M |
| 8 | Nut | ASTMA194-2H、A194-8、A194-8M |
| 9 | Metal gasket | Stainless+Flexible graphite |
| 10 | Yoke | WCB、CF8、CF8M |
| 11 | Nut |
ASTMA194-2H、A194-8、A194-8M |
| 12 | Stud |
ASTMA194-B7、A193-B8、A193-B8M |
| 13 | Nut |
ASTMA194-2H、A194-8、A194-8M |
| 14 | Gasket |
Stainless+Flexible graphite |
| 15 | Seal bowl | S.S304、S.S316 |
| 16 | Packing | Flexible graphite |
| 17 | Extremely heavy pin | 1045、S.S304、S.S316 |
| 18 |
Extremely heavy bolt |
ASTMA194-B7、A193-B8、A193-B8 |
| 19 |
Extremely heavy nut |
ASTMA194-2H、A194-8、A194-8M |
| 20 | Gland | WCB、CF8 |
| 21 | Stem out | Copper alloy、D2、BL-2 |
| 22 | Bearing nut | 1405、S.S304、S.S316 |
| 23 | Handwheel | 60-40-18 |
| 24 | Locknut | 1045 |
MAIN CONNECTION SIZE
EN