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Advantages and purpose It is made up of an angle main valve body and an equipped special diaphragm and a spring. The ball pilot valve out of the main valve controls to open and close the main valve. It is the perfect product to effectively control the water line all kinds of pools and water boxes. Can open and close in time. lt in controlled with the ball pilot valve out of the main valve. Standard and regulation Flange connection dimension: GB/T 17241.6-1998, GB/T 9113.1-2000 Nominal pressure: PN0.6MPa, PN1.0MPa, PN1.6MPa Nominal diameter: DN20~300mm Suitable medium: Water Suitable temperature: ≤80℃ Inspection and test: GB/T 13927, API598 Body material: Cast iron, Ductile cast iron, Carbon Steel, Stainless steel |