Thống kê

196288
Số người đang online 4
Số truy cập hôm nay 41
Số truy cập tháng này 15489

Serie VAN CẦU

 

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 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.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.
Technical specification
Design standard: DIN 3356
Face to face dimension: DIN 3202
Flanged ends: DIN 2543-2545
Test & inspection: DIN 3230.

 

 

NO.

Part name

Material

1

Body

GS-C25、GGG-40、1.4401

2

Seat

1.4301、Stellite

3

Disc

1.4021、1.4401+ Stellite

4

Pin

1.4301、1.4401

5

Bellow assemble

1.4301、1.4401

6

Stem

1.4021、1.4301、1.4401

7

Gasket

Flexible graphite + stainless steel

8

Cover

GS-C25、GGG-40、1.4401

9

Nut

ASTM 194-2H、A194-8

10

Double-headed bolt

ASTM 194-B7、A193-B8

11

Packing

Flexible graphite

12

Gland

1C25、1.4301、1.4401

13

Locator

1C25

14

Stem nut

Copper alloy、D2、BL2

15

Hand wheel

Carbon steel

16

Cap

1C45