Forged Steel Bellow Globe Valve

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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#


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