, Globe Valve, Check Valve, Gate Valve products are produced with advanced production technology and strict production process control to ensure product quality.The three-eccentric structure of the 3-eccentric metal sealed butterfly valve effectively solves the problem of the dynamic sealing ring sealing the leakage of the butterfly valve, the structure is compact and light, the flow resistance coefficient is small, and the dynamic and static sealing performance is good.Zheheng Cold Lined Butterfly Valve , Globe Valve, Check Valve, Gate Valve, reliable sealing performance, long service life, wide range of applications, novel structure, precise opening, moderate size and weight. The product is made of high-quality forged steel and has reliable performance.The flange connection dimensions are in accordance with gb, ansi, jis and din standards, and the flange sealing surface is flat or chestnut in accordance with gb9113 and gb/t9119.Welcome customers to inquire and purchase: Sales Hotline: +86-21-67861155Cold Lined Butterfly ValveTechnical SpecificationSize: DN50-DN2400(2-96 inch)Pressure rating: Class150-Class2500(PN16-PN420)Working Temperature: -196℃ ~+600℃(-320°F ~+1112°F)Media: Water, Oil, Gas and some corrosive liquidType: Resilient Seated and Metal SeatDesign & Manufacture StandardDesign and manufacture:API 609、MSS SP-67、EN593Face to face(end to end):API 609、DIN3202、EN558-1、BS5155Flange Ends: ASME B16.1、ASME B16.5, DIN2532-2543,BS4504Test and inspection:API598、DIN3230、BS 6755 Part 1Features1. Valve body materials: ductile iron, WCB, stainless steel，2. Good tightness and reliable sealing: advanced lamination technology eliminates metal resetting.3. Long service life: antifriction device, metal metal metoral prevne reduction abrasion.4. Fully streamlined interior design, low flow resistance coefficient.5. Lightweight and compact.6. Sealed securely: reliable sealing performance, no unusual sound an no water dector when closing.7. The body is segmented and the arc length is large: suitable for lines with high requirements for flow characteristics.Design FeatureCold Lined Butterfly Valve Opening and closing body is a disc, which rotates around its axis for 90 for opening or closing the valve. Its advantages are: small fluid resistance, simple structure and easy maintenance. The body is
