.Bellow seal element. The key part of bellow sealed globe valves is
mental bellow. It is the connection between cover and stem with
automatic roll welding. The mental bellow can keep the stem part no
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