Discover more about Din Bellows Seal Gate Valve

Application
Steam, thermal oil, rank poison, and strong corrupt gas and liquid medium.
Advantage
1.Bellow seal element. The key part of bellow sealed globe valves is mental below. It is the connection between cover and stems 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 an excellent seal.
3. Grease nipple. It can direct lubricate the stem, nut, and sleeve.
4. Ergonomic handwheel. It provides longer service life and easier operation.
Technical specification
Design standard: DIN 3352
Face to face dimension: DIN 3202
Flanged ends: DIN 2543-2545
Test & inspection: DIN 3230
Main part materials

NO.

Part name

Material

1

Body

GS-C25、1.4301、1.4401

2

Disc

GS-C25+1.4201/1.4301

3

Seat

1.4301、Stellite

4

Stem

1.4021、1.4301、1.4401

5

Bellows

1.4301、1.4401

6

Double-headed bolt

ASTM 193-B7、A193-B8

7

Nut

ASTM 194-2H、A194-8

8

Metal gasket

Asbestos+ Stainless steel

9

Nut

ASTM 194-2H、A194-8

10

Middle yoke

GS-C25、1.4301、1.4401

11

Double-headed bolt

ASTM 193-B7、A193-B8

12

Nut

ASTM 194-2H、A194-8

13

Gasket

Flexible graphite+ stainless steel

14

Cover

GS-C25、1.4301、1.4401

15

Nut

ASTM 194-2H、A194-8

16

Packing

Flexible graphite

17

Gland

GS-C25、1.4301

18

Nut

ASTM 194-2H、A194-8

19

Jack bolt

ASTM 193-B7、A193-B8

20

Stem nut

Copper alloy、D2、BL2

21

Oil cup

Assemble

22

Cap

1C45、1.4301、1.4401

23

Handwheel

Carbon steel

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