Мягким уплотнением и металлическим уплотнением Задвижки ножевые

Applicable standards: Design: MSS-SP-81 Soft Seal & Metal Seal Bi-directional Seal Face to face: MSS ConnectionEnds: ASME B16.5 Pneumatic Actuator & Electric Actuator Inspection and test, API 598 Design description: Full port design OS&Y,outside screw and yoke BB,Bolted bonnet Flexible wedge,fully guided Choice of solid or split wedge . Two-way shut-off from full vacuum to the rated pressure of 150 psi (water test). · 2. True bidirectional flow and shut-off, can be installed in either direction. ·3. Larger flow area, minimum pressure drop. ·4. Pressure against the gate is not required to achieve a seal. ·5. Unsurpassed low-pressure Knife Gate Valve seal. ·6. Mechanically retained seat prevents pullout*. ·7. Knife Gate Valve Seat is field replaceable. ·8. 316 solid cast stainless steel body. ·9. MSS face-to-face. ·10. Cast Super Yoke features: Top removal stem nut, Standard open and closed lockout positions ·11. Heavy cross section I-beam leg