задвижка

Body Type: Non-rising stem or rising stem Size: DN50-DN300 (212) Nominal Pressure: PN10/PN16 Design Standard: BS 5163 Body Flange Drilling: DIN2501;BS4504;GB17241.6 Face to Face: BS5163 Test Inspection: API598; GB13927 Suitable Medium: Water,Sewage, etc. Operations:Hand Wheel 3 Features 1) Flat bottom full bore design, which avoids odds and ends healed up, ensures there is no effect on the sealing performance dureing long using. 2) Epoxy painting on the body, which isolated to the medium can avoid effectively corrosion. 3) Triple sealing to protect against leakage in shaft, which ensures no leakage of valve. 4) The inverted sealing actuator guarantee that the seal packing can be changed without disassembling the using valve. 5) The high quality of seat rubber ensures its antaging performance and excellent re-elasticity, well-sealing and no need to maintain.