Category: Bellow sealed globe valve
Tel: +86-13736311582
Fax: +86-577-67358700
E-mail: sale@greatdesignvalve.com
APPLICATION:
Petroleum, chemical industry, pharmacy, fertilizer, power industry
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.It's specially designed with bellow protector. Protector will
protect bellow from the erosion of media and double service
life of valve.
4.In the full open position, it will form a sealing between disc and
seal element and protect bellow from erosion.
STANDARD
Design standard: DIN 3356,API 602
Face to face dimension:DIN 3202, ANSI B 16.10
Flanged ends: DIN2543-2545, ANSI B 16.5
Test & inspection: DIN 3230,API 598
MAIN PARTS MATERIALS
| NO. | Part name | Material |
| 1 | Body | A105N、F304、F316 |
| 2 | Seat | S.S304、Stellite |
| 3 | Disc | A105N+2Cr13/304 |
| 4 | Stem | 2Cr13、F304、F316 |
| 5 | Bellow assembly | S.S304、S.S316 |
| 6 | Composite gasket | Flexible graphite+stainless steel |
| 7 | Packing | Flexible graphite |
| 8 | Bolt | A193-B7、A193-B8、A193-B8M |
| 9 | Pin | 45#、F304、F316 |
| 10 | Jack Bolt | A193-B7、A193-B8、A193-B8M |
| 11 | Stem nut | A194-2H、A194-8、A194-8 |
| 12 | Packing bushing | 2Cr13、F304、F316 |
| 13 | Packing gland | A105N、F304、F316 |
| 14 | Stem nut | Copper alloy、D2 |
| 15 | Handwheel | A105N |
| 16 | Cap | 45# |
| 17 | Cover | A105N、F304、F316 |
MAIN CONNECTION SIZE
EN
