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DIN Cast Iron Bellows Seal Globe Valve
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Product: Views:311DIN Cast Iron Bellows Seal Globe Valve 
Unit price: Negotiable
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Delivery date: Since the payment date Days delivery
Valid until: Long-term effective
Last updated: 2017-10-12 12:00
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Details

Materials : Cast Iron

Materials of bellows: SS304,

ApplicationHot oil system, steam system, hot and cold water system etc. 

Medium:Steam, gases, hot water, thermal oil, ammonia etc.
Materials : Cast Iron
Materials of bellows: SS304
Size range : DN15-DN200
Pressure : PN16
Temperature : ≤200 ℃
Fig No. : WJ41H-16


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

Flange ends: DIN 2543-2545

Test & inspection: DIN 3230


Features of bellows seal valves: 

●Double wall bellows seal as standard.
●Plug with marginal seat 

●Bellows seal welded to bonnet

●Welded seat 

● Bellows seal 10,000 load cycles

● External stem thread 

●Secondary sealing: gland packing(with bridge)

● Stem back seal 

● Yoke gasket, double chambered

● Stem with roll hardened thread 


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