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Slab Gate Valve

Slab Gate Valve

Product Specifications
Size: NPS 2" - 80"
Pressue: Class 150LB - Class 2500LB
Material: WCA, WCB, WCC, WC1, WC5, WC6, WC9, C5, C12A, CA15, LCB, LCC, CF8, CF8M, CF3, CF3M, CF8C
Openation: Manual, Electric actuator, Pheumatic actuator, Hydraulic actuator
Product Details

Size: NPS 2" - 80"

Pressue: Class 150LB - Class 2500LB

Material: WCA, WCB, WCC, WC1, WC5, WC6, WC9, C5, C12A, CA15, LCB, LCC, CF8, CF8M, CF3, CF3M, CF8C

Openation: Manual, Electric actuator, Pheumatic actuator, Hydraulic actuator


Standards
These valves comply with the applicable requirements of the following standards:
Design and manufacture: API6D
Face to face(end to end): ASME B16.10
Flange connection: 2" - 24" to ASME B16.5, 26" - 80" to ASME B16.47 or to API605 on request 
Butt weld end: ASME B16.25
Test and inspection: API598, API6D


Features
1. Cast and weld two structures with the body.
2. The seat ring uses the floating seat ring structure with o-seal ring sealed and pre-teghtening force applied to have inlet and outlet dual-way sealed; and the open-close moment with this structure is 1/2 that of the common valves only, able to lightly open and close valves.
3. The seat ring uses the sealing face inlaid with PTFE, so has dual seals of PTFE to metal and metal to metal, the PTFE sealing face also acts as removing the dirt on the wedge disc.
4. For the valve with the metal to metal seal, there is grease injector outside of it, grease gets into the sealing face through the injector and the seat ring to have the valve up to null leak.
5. The wedge disc of the valve with flow guide hole is always fitted with the sealing face whether in full open or full close status to have the sealing face protected without being directly eroded by the medium so as to extend the duration.
6. This valve uses the packing structure with the ability of self-seal, needs no constant adjustment, features very light open and close and a reliable seal. An assisting sealing grease injection structure is set in the packing to have the sealing performance absolutely reliable and get a true null leak, settling the problem for the packing place of universal valves to be easiest leak outward.
7. Automatic removal of the high pressure in the internal cavity when the valve is about to close (see the working principle diagram for the details) so as to ensure safety.
8. Fully sealed structure leaves a good protective property, suitable for the requirement of 24-hour duty.
9. An indication rod or viewing window is set with the valve to show the open-close condition. 




Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of Slab Gate Valve in China. If you want to buy quality product of various beautiful bags, you can get it at a cheap price from us.
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