Product | Flat Gate Valve | |
Nominal diameter | 2″ - 48″ | DN50 - DN1200 |
Design temp. | -196℃ - 593℃ | |
Design pressure | class 150 - 1500 | PN16 - PN250 |
Material | A216 WCB, WCC; A217 WC6, WC9, C5, C12A; A352 LCB, LCC; A351 CF8, CF8M, CF3M, CF8C, CN3MN, CK3MCUN, CN7M; A890 4A(CD3MN), 5A(CE3MN), 6A(CD3MWCuN); ASTM B 148 C95800, C95500 |
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Design standard | API 6D | |
Face to Face | ASME B16.10 | EN558 series |
Connection end | RF, RTJ, BW | EN1092 series |
Test standard | API 598, ISO 5208 | EN12266-1 |
Operation | Hand wheel, bevel gear, electric-AUMA, Rotork, pneumatic | |
Application | Power station, petroleum, tap water engineering, chemical engineering | |
Feature 1 | Single Disc | |
Feature 2 | Double Disc | |
Feature 3 | SOFT seal: fire safe, double sleeve sealed, double block & bleed, self cavity relief, emergency sealant injection, diversion hole design. | |
Feature 4 | Metal seal: double sleeve sealed, hard seat seal, double block & bleed, self cavity relief, diversion hole design. |
The two sealing faces of a slab gate valve are perpendicular to the pipeline axis, its closing member have double discs, valve equipped with a stretching mechanism. The gate valve is widely applicable for transmission pipeline system of natural gas,oil products and chemical engineering.
The valve obturator have two parts, the seal surface are parallel each other, and with wedge-shape joint surface. The obturator parts are separated from each other, it can ensure the sealing performance even when the temperature changes caused by deformation, and can avoid leaving the gate due to heat expansion choked open. At sealing surface using hard alloy material of corrosion and wearing resistance, so it can ensure the sealing performance and extend the service life. Fully enclosed structure design, keep the valve fine protection, can be used at all weather.