Gate valve

pneumatichydraulicfor gas

Sealing for Body and cover is métal to métal seal, improve the sealing performance. stem and cover designed with backseat sealing structure is easy to take pressure change valve stem packing. The body is made of high quality alloy steel forgings, no perforation design, safe and reliable. Sealing surface spray weld hard alloy, with corrosion résistance, résistance to érosion and wear résistance performance. Body pad ring groove can according to user requirements overlaying austenitic stainless steel, improve the corrosion résistant ability; To enhance its service life. Use spring preload load in the dise and seat, completely realize two-way seal. We supply standard API6A Gâte Valves including FC Style Gâte Valves, FLS-R Valves, Hydraulic Valves, Expanding vales. FC valve 1.Full-bore design, effectively eliminate the pressure drop and eddy current, slow flow of solid particles in the valve. 2. The unique sealing, make the switch torque greatly reduced 3. Between bonnet & body and gâte & seat are adopt métal to métal seal 4. Between gâte and seat are adopt métal to métal seal, Surface spraying (heap) - welding hard - alloy - , has good abrasion résistance, corrosion résistance. 5. Seat ring is fixed with plate, keep well steady 6. Stem has back seal structure so as to replace seal ring of stem with pressure 7. There is seal grease injection valve on bonnet side so as to repair seal grease , - and - provided seal - and lubricate performance of gâte and seat 8. It is match with ail kind of pneumatic (hydraulic) actuator as customer's requirements Expanding gâte valve 1. Gâte is fission expanding structure 3. Between bonnet and body are adopt métal to métal seal