Forged Steel Bellows Seal Gate Valve

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Application
Petroleum, Chemical industry, pharmacy, fertilizer, and power industry 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.

Technical specification
Design standard: DIN 3352/GB/T122234-2007
Face to face dimension: DIN 3202/GB/T1221-2005
Flange standard: DIN 2543-2545/HG/T20592-97
Test & inspection: DIN 3230/JB/T9092-99

NO.	Part name	Material
1	Body	A105N、F304、F316
2	Seat	304、Stellite
3	Disc	20Cr13、F304、F316
4	Stem	20Cr13、F304、F316
5	Bellow assemble	S.S304、S.S316L
6	Gasket	Flexible graphite + stainless steel
7	Packing	Flexible graphite
8	Bolt	ASTM 194-B7、A193-B8
9	Jack bolt	45#、F304、F316
10	Jack bolt	ASTM 194-2H、A194-8
11	Nut	ASTM 193-B7、A193-B8
12	Gland flange	20Cr13、F304、F316
13	Gland	A105N、F304、F316
14	Stem nut	Copper alloy、D2、BL2
15	Hand wheel	KTH300-06
16	Cap	45#
17	Cover	A105N、F304、F316

Comprehensive Solution For Steam And Heat System