The types of slab gate valve

The types of Gate Valve include valves with Through Conduit Slab, Through Conduit Expanding, Solid Wedge and Flexible wedge gates. Choosing an appropriate Gate Valve is dependent on the duty and the sealing characteristics demanded by the service; Through Conduit slab gate valve depend on the flowline pressure to effect a seal; whereas Expanding and Wedge Gate Valves are positive shut off valves that force the Gate onto the seats to effect a seal through increasing the torque and the thrust. In particular, the Flexiwedge is used for simple shut off duties where high temperatures are involved and to prevent the gate from jamming.

Through Conduit Gate Valves designed to API 6D and 6FA are custom manufactured by Vatac and supplied with Flanged, Butt Weld, Socket Weld, Hub Connectors, Compact Flange or other proprietary connections. Pressure ratings up to ANSI #2500Lb, temperature ranges from -46 to +175 Deg C and bore sizes from 2” to 42 . All Vatac Through Conduit Gate Valves have their sealing surfaces hard faced with Tungsten Carbide and can be configured with either Pneumatic or Hydraulic Actuators. All valves are available in Standard and Exotic Materials.

VATAC THROUGH CONDUIT GATE VALVE FLOW CHARACTERISTICS http://www.vatacvalve.com/Product/SlabGateValve_Class_251.html

Through conduit gate valve with a diversion hole is equal to that of pipelines of the same specification whose characteristics is shown per hereunder per centum diagram. Through conduit gate valve without a diversion hole with a cavity fly span smaller than that of wedge type gate valves, and it is regularly cylindrical object. Therefore, characteristics of the valves are similar except that they have a large pressure loss, further more, their flux adjustment behavior is better than that of the valves with a diversion hole.

APPLICATIONS

▲ Gas Industry Service ▲ Gas Production, Offshore ▲ Oil Production ▲ Oil Transportation

▲ Petrochemical Processing ▲ Petroleum Distribution ▲ Petroleum Production and Refining

STANDARDS COMPLIANCE

▲ API 6D ▲ ASME B16.34 ▲ ASME B16.10 ▲ ASME B16.5

▲ ASME B16.47 ▲ ISO 15156-1 ▲ NACE MR-01-75
slab gate valve
API 6A slab gate valve