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
Design standard: DIN 3356
Face to face dimension: DIN 3202
Flange ends: DIN 2543-2545
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.
If you have any enquiry about quotation or cooperation,please feel free to email us at info@weke-valves.com or use the following enquiry form. Our sales representative will contact you within 24 hours. Thank you for your interest in our products.
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