Model Number: D341X
Key Specifications/Special Features:
Double flange type butterfly valveProduct featureThis series of butterfly valves are suitable to be used for industrial pipeline as two-way open-closing and regulating devices. The scope of regulation is from 4o°to 90°fully open. If the valve is one-way used, the recommended pressure direction of closing is shown on fig.1. The disk is truss framed with two-plate and flow-resistant is lower.2. It has reliable sealing structure for two-way stopping without any leakage.3. The axle sleeves are self-lubricated bearing. Oiling is not need and friction drag is small during operation.4. Rubber sealing can be replaced on pipeline without removing the valve (DN>700).5. Several kinds of actuators with reliable performance and agile operation are supplied for the user's selection. Wear-resisting and corrosion-resisting.Butterfly valve specification:Body/disc:Ductile iron BS EN 1563 EN-GJS-400-15Body seat: Stainless steel BS EN 10088 Grade 1.4057 (431)Disc seat: EPDM Shaft:Stainless steel BS EN 10088 Grade 1.4057 (431) Flange standard: GB4216.3-84,BS4504,ANSI B16.1 Face to face: GB12221-89 series 13,BS5155,ANSI B16.10 Pressure test: GB/T 13927-92 Grade A(or on request) Leakage:No visible detectable leakage
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