DIN BELLOW SEAL GLOBE VALVE

Application
Hot oil system, steam system, hot and cold water system etc.

Features of bellows seal valves:

●Double wall bellows seal as standard.
●Plug with marginal seat
●Bellows seal welded to cover
●Welded seat
● Bellows seal 10,000 load cycles
● External stem thread
●Secondary sealing: graphite+bellows sealing



Technical specification
Connection:RF,RTJ,BW
Class: PN16~PN64
Size: DN50~DN400
Materials: CS-C25, 1.7363,1.4308,1.4408,WCB,CF8,CF8M
Design standard: DIN 3356,DIN EN 13709
Face to face dimension: DIN 3202, DIN EN1092-1
Flange ends: DIN 2543-2545, DIN EN 588-1
Test & inspection: DIN 3230


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