Series SB Butterfly Valve

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Product Description

1)Product Description
SUNGO SB series butterfly featured with concentric design, is a reliable, maintenance free and cost effective valve. With various optional elastomer material, it can ensure gas tight seal, leakage free and corrosion resistant in various applications. Seat is designed with back up ring prevents the seat from collapsing or dislodging and is easily replaceable in the field.Upon client request, this series valves can also be designed for Dead End service at maximum pressure rating.


2)Performance & Dimensions

Standard Criteria:ASME/ANSI/API

Pressure Rating:1 Mpa 1.6 Mpa
125 Class 150 Class

Valve Size: 2 inch 2.5 inch 3 inch 4 inch 5 inch 6 inch 8 inch 10 inch 12 inch 14 inch 16 inch 18 inch 20 inch 24 inch
50 mm 65 mm 80 mm 100 mm 125 mm 150 mm 200 mm 250 mm 300 mm 350 mm 400 mm 450 mm 500 mm 600 mm
Actuator: Gear Handle
Connection: Lug Wafer
Medium: Corrosive Liquid Corrosive Oil Oil Sewage Water
Medium Temperature: -20℃~200℃
Application Fields: Maritime Municipal Petrochemical Power Station Pulp and Paper

3)Component Materials
Body Material: A216 WCB A339-80-45-10 A126-B A351-CF8M A351-CF8
Disc: A351-CF8 A351-CF8M A351-CF3 A351-CF3M Monel metal A339-80-45-10 B148
Handle: A126-WCB
Indicate plate: WCB Stainless steel
Seat: Ethylene propylene rubber, Nitrile butadiene rubber, PTFE,Chloroprene rubber ,Hypalon Rubber
Hub Shaft: A182-F304 A182-F6a monel k500 A182-F316 17-4PH
Bushing: PTFE
O-ring: nitrile butadiene rubber fluorine rubber ethylene propylene rubber