Specification :

Nominal diameter:
50( 2� ) — 300( 12� ) mm
50( 2� ) — 300( 12� ) mm
Nominal pressure: 1.0 MPa 1.6MPa
Operating temperature range: -15— + 150
Suitable mediums: fresh water, sewage, air, etc
Features:
` rubber vulcanized into inner valve body, without any leakage in the connecting point.
ahard rubber liner without movement, high reliability, more than then thousand times of rotation operating experiment  circle  longer operating life.
breasonable rubber and valve seal design small torque, high sealing pressure tight junction free of bubbles.
cflange connections, used in the end pipeline end. Demount up or low part of pipeline during maintenance at will.