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Link:  https://www.youtube.com/watch?v=yv6TExFIv0c

Link: https://www.youtube.com/watch?v=v_6KoVbKcSE&t=3s

https://youtu.be/mk3KiXBd8Go 1) Material: DI Body Epoxy Resin Coated Red, DI Disc Powder Coated, NBR Seat, 45# Steel Stem, DI Gear Box With PP Cover, Steel / DI Hand Wheel.2) Rubber Coated Position: Cover The Whole Inner Surface.3) Size: 2" to 12" (DN50 to DN300)4) Nominal Pressure: 1.6MPa5) Sealing Test Pressure: 1.76MPa6) Shell Test Pressure: 2.4MPa7) Applicable Temperature: 0~80℃8) Fluid Medium: Water9) Switch Contact Rating: DC24V, 1A10) Connecting Diameter(2"-12"): (60.3)(73 , 76.1)(88.9)(108 , 114.3)(133 , 139.7 , 141.3)(159 , 165.1 , 168.3)(219.1)(273)(323.8)  

https://youtu.be/PrF5uG0jzN0 1) Material: DI Body Epoxy Resin Coated Red, DI Disc Powder Coated, NBR Seat, 45# Steel Stem, Steel Hand Lever.2) Rubber Coated Position: Cover The Whole Inner Surface.3) Size: 2" to 8" (DN50 to DN200)4) Nominal Pressure: 1.6MPa5) Sealing Test Pressure: 1.76MPa6) Shell Test Pressure: 2.4MPa7) Applicable Temperature: 0~80℃8) Fluid Medium: Water9) Connecting Diameter(2"-8"): (60.3)(73 , 76.1)(88.9)(108 , 114.3)(133 , 139.7 , 141.3)(159 , 165.1 , 168.3)(219.1)

https://youtu.be/DHdbYHEmRG0 1) Material: DI Body Epoxy Resin Coated Red, DI Disc Powder Coated, NBR Seat, 45# Steel Stem, DI Gear Box With PP Cover, Steel / DI Hand Wheel.2) Rubber Coated Position: Cover The Whole Inner Surface.3) Size: 2" to 12" (DN50 to DN300)4) Nominal Pressure: 1.6MPa5) Sealing Test Pressure: 1.76MPa6) Shell Test Pressure: 2.4MPa7) Applicable Temperature: 0~80℃8) Fluid Medium: Water9) Switch Contact Rating: DC24V, 1A10) Connecting Diameter(2"-12"): (60.3)(73 , 76.1)(88.9)(108 , 114.3)(133 , 139.7 , 141.3)(159 , 165.1 , 168.3)(219.1)(273)(323.8)