Product Category
Forged Steel Bellow Gate Valve
- Category : Bellow Seal Gate Valve
- Email : aiv@aivvalve.com
- Tel : +86-578-6887666
- Fax : +86-578-6672199
Design standard: DIN 3352
Face to face dimension: DIN 3202
Flanged ends: DIN 2543-2545
Test & inspection: DIN 3230
Application
Hot oil system, steam system, hot and cold water system etc.
Advantage
1.Bellow seal element. The key part of bellow sealed globe valves is mental bellow. It is the connection between cover and stem with automatic roll welding. The mental 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 hand wheel. It provide longer service life and easier operation.
Main part materials
Part name |
Material |
Body |
A105N、F304、F316 |
Seat |
SS304、Stellite |
Disc |
A105N+ 2Cr13/304 |
Stem |
2Cr13、F304、F316 |
Bellow assemble |
SS304、SS316 |
Gasket |
Flexible graphite + stainless steel |
Packing |
Flexible graphite |
Bolt |
ASTM 193-B7、A193-B8、A193-B8M |
Pin |
45#、F304、F316 |
Bolt |
ASTM 193-B7、A193-B8、A193-B8M |
Stem nut |
ASTM 194-2H、A194-8、A194-8M |
Packing bushing |
2Cr13、F304、F316 |
Packing gland |
A105N、F304、F316 |
Stem nut |
Copper alloy、D2 |
Hand wheel |
1025/KTH330 |
Cap |
45# |
Bonnet |
A105N、F304、F316 |
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