The key part of bellow sealed globe valves is metal bellow. It is the connection between cover and stems with automatic roll welding. The metal bellow can keep the stem part no leakage.
Application
The 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 below. It is the connection between cover and stems with automatic roll welding. The metal below 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 an excellent seal.
4.Grease nipple. It can direct lubricate the stem, nut, and sleeve.
5.Ergonomic handwheel. It provides 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
