Check Valve

Swing check valve is also known as check valve or check valve, its role is to prevent the pipeline medium backflow. Opening and closing parts by medium flow and force to open or close, in order to prevent medium backflow valve called check valve. Check valve belongs to the automatic valve class, mainly used for medium one-way flow pipeline, only allow the medium to flow in one direction, in order to prevent accidents. Valves of this type should generally be installed

Main shape and connection dimensions unit:mm Product Model Number Type Nominal diameter DN PN1.6/2.5MPa 约重 (kg) L D D₁ D₂ b Z-φd H H41H-16C H41Y-16C H41Y-16P H41Y-16R H41Y-16l 15 130 95 65 45 14 4-φ14 77 3 20 150 105 75 55 14 4-φ14 77 4 25 160 115 85 65 14 4-φ14 80 5 32 180 135 100 78 16 4-φ18 85 7 40 200 145 110 85 16 4-φ18 95 9 50 230 160 125 100 16 4-φ18 105 10 65 290 180 145 120 18 8-φ18 120 20 80 310 195 160 135 20 8-φ18 130 30 100 350 215 180 155 20 8-φ18 140 39 125 400

Main shape and connection dimensions unit:mm Product Model Number Type Nominal diameter DN PN1.6/2.5MPa 约重 (kg) L D D₁ D₂ b Z-φd H H44-16C H44Y-16C H44Y-16P H44Y-16R H44Y-16I 50 230 160 125 100 16 4-φ18 135 21 65 290 180 145 120 18 4-φ18 142 28 80 310 195 160 135 20 8-φ18 165 38 100 350 215 180 155 20 8-φ18 180 58 125 400 245 210 185 22 8-φ18 210 92 150 480 280 240 210 24 8-φ23 233 130 200 500 335 295 265 26 12-φ23 304 210 250 550 405 355 320 30 16-φ25 348 294 300 650 460 410

Main shape and connection dimensions unit:mm Product Model Number Type NPS DN Class150Lb/300Lb/600Lb 约重 (kg) in mm L D D1 D2 b Z-φd H H44H-150LbL H44H-150Lb H44H-150LbP H44H-150LbP H44H-150LbR H44H-150LbL 2" 50 203 157 120.7 92 19.5 4-φ19 161 17 2½" 65 216 178 139.7 105 22.5 4-φ19 180 23 3" 80 241 190.5 152.4 127 24 4-φ19 190 33 4" 100 292 229 190.5 157.2 24 8-φ19 220 44 6" 150 356 279 241.5 216 25.5 8-φ22.5 257 78 8 200 495 343 298.5 270 29 8-φ22.5 292 137 10 250 622 40

Main shape and connection dimensions unit:mm inch mm Main dimensions and connection dimensions (mm) L d H H64Y-1500Lb 2½" 65 254 56 250 3" 80 305 64 300 4" 100 406 84 350 5" 125 483 100 425 6" 150 559 126 400 8" 200 711 158 490 10" 250 864 200 540 12" 300 991 250 650 14" 350 1067 280 710

Forged Steel Check Valve A Device For Preventing The Reverse Flow Of A Medium Product Overview: There are three kinds of valve cover design form.* The design form is welded valve cover, according to this design form of the valve, the valve body and the valve cover with thread connection, full welding seal. Penetration welding can also be used when customers have special requirements. The second is bolt type valve cover, according to this design form of the valve, the valve

Main shape and connection dimensions nuit:mm Product Model Number Type Nominal diameter DN PN1.0MPa About weight(kg) L D D₁ D2 b Z-φd H H₁ H₂ Do 110 112 Z43WF-10C Z43F-10C Z43WY-10C Z43Y-10C KZ43WF-10C KZ43F-10C Z47WF-10C Z47F-10C 50 178 165 125 99 20 4-φ18 475 80 122 250 23 25 65 190 185 145 118 20 4-φ18 535 90 152 300 40 45 80 203 200 160 132 20 8-φ18 600 100 178 300 45 50 100 229 220 180 156 22 8-φ18 700 110 220 300 52 57 125 254 250 210 184 22 8-φ18 790 130 255 350 95 105

Fluorine Lined Swing Check Valve Product Introduction: H44F46 fluorine-lined check valve is a kind of automatic valve that relies on the flow of the medium itself and automatically opens and closes the valve disc to prevent the reverse flow of the medium. The check valve belongs to the automatic valve class, mainly used for the one-way flow of the medium on the pipeline, only allowing the medium to flow in one direction, in order to prevent accidents. H44F46 fluorine-lined

Fluorine Lined Lift Check Valve Product Introduction Product overviewLift line gas check valve and check valve, the valve internal flow channel four gas sealing adopts full lining, has the features of high strength and good corrosion resistance. Its applicable in - 50 ℃ ~ 150 ℃ aqua regia, various concentration of sulfuric acid, hydrochloric acid, hydrochloric acid and various organic acid, strong acid, strong oxidizer, FEP also apply to all kinds of organic solvent

Small Size HH47 butterfly buffer check valve Product Description Butterfly buffer check valve is mainly used at the outlet of the pump in industrial water supply and sewage treatment plants to prevent the reverse flow of the medium in the pipe network and automatically eliminate the destructive water hammer, so as to ensure that the pump and pipeline are not damaged. The butterfly buffer check valve is mainly composed of valve body, disc, buffer device and micro control valve

Fluorine Lined Single Flap Swing Check Valve Corrosion resistance to clamp connection Product Description Applicable in -50℃ ~ 150℃ of various concentrations of aqua royalty, sulfuric acid, hydrochloric acid and various organic acids, strong acids, strong oxidants, FEP is also suitable for all kinds of concentrations of strong alkali organic solvents and other corrosive gases, liquid media pipeline use. Fluorine lined check valve is a kind of active anticorrosive valve that