API6D Slab Gate Valve API6D gate valve is suitable for transportation pipelines of natural gas, petroleum, chemical, environmental protection, water etc. As a closing device, it also can be used in venting systems and steam storage equipment. According to different occasions, it can be divided into conduit slab gate valve and non-conduit slab gate valve. Specification: ïSize: 2~36 ïPressure Rating: Class150~900LB ïMain Materials: ASTM A216 WCB, WCC, LCB, ASTM A351 CF8, CF8M, CF3, CF3M etc. ïDesign and Manufacture: API6D ïFace-to-Face:ASME B16.10, API6D ïEnds Connection: Flange, Butt Welding ïInspection & Testing: API 598 ïOperator: Manual, Worm Gear, Electric, Pneumatic. Feature: ïFloating Seat ïFull-short Structure ïFire Resistant Design ïDouble Seals ïSingle Disc or Double Disc