Technical specification
Design standard: DIN 3356
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.Benefit from the con and streamline shape design, the disc has a reliable seal and longer service life.
3.Double seal design(bellows+packing). Bellow and packing can protect against leakage and provide a excellent seal.
4.Grease nipple. It can direct lubricate the stem, nut and sleeve.
5.Ergonomic hand wheel. It provide longer service life and easier operation.
Main part materials
|
Part name |
Material |
|
Body |
A105N、F304、F316 |
|
Seat |
304、Stellite |
|
Disc |
2Cr13、F304、F316 |
|
Pin |
SS304、SS316 |
|
Bellow assemble |
SS304、SS316L |
|
Stem |
2Cr13、F304、F316 |
|
Gasket |
Flexible graphite + stainless steel |
|
Cover |
A105N、F304、F316 |
|
Double-headed bolt |
ASTM 194-B7、A193-B8 |
|
Packing |
Flexible graphite |
|
Gland |
A105N、F304、F316 |
|
Bolt |
ASTM 194-B7、A193-B8 |
|
Nut |
ASTM 194-2H、A194-8 |
|
Stem nut |
Copper alloy、D2 |
|
Hand wheel |
Carbon steel |
|
Cap |
45# |
Welcome to our website. If you have any requests or suggestions,please feel free to email us at aiv@aivvalve.com or use the following enquiry form. Please allow us to provide you with the best service.
