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#