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The manual turbine wafer butterfly valve features: simple structure, compact size, and lightweight. Rotate the handle90° to easily open or close the valve, and it can be held at the desired opening angle.D371X-10/16Z/C/P Manual Turbine Wafer Butterfly Valve AdvantagesSelecting different component materials makes it suitable for various mediaEpoxy resin coating on the surface provides corrosion resistance and an attractive appearancePinless connection of the shaft plate, lightweight structure, easy transportation, installation, and maintenance90° opening and closing, rapid switching. Low operating torque, labor-saving and lightweightSoft seal, zero leakage, long service lifeD371X-10/16Z/C/P Manual Turbine Wafer Butterfly Valve Manufacturing StandardsItem NameAdopted StandardOptional StandardDesign, Manufacturing, and AcceptanceGB12238-1989ISO/DIN10631-1991, API598Valve Structure LengthGB12221-1989 ISO5752-1988Valve Flange ConnectionGB9113-2000ANSI.B16.5, ISO7005, JIS B2238, 2239Valve InspectionGB/T13927-1992 ISO/DIN5208-1987Valve MarkingGB12220-1989 ISO05209-1987D371X-10/16Z/C/P Manual Turbine Wafer Butterfly Valve Materials UsedPart NameOptional MaterialsValve BodyDuctile Iron (DI), Gray Cast Iron (CI), Cast Steel (WCB), Stainless Steel (CF8/CF8M)Valve DiscDuctile Iron Nylon Coated (N), Ductile Iron Electroplated (D), CF8 (P), CF8M (R), Aluminum Bronze (T)Valve SeatEPDM (EPDM), Nitrile Rubber (NBR), PTFE (PTFE), Fluororubber (VITON), Silicone Rubber (SEP), Heat-resistant EPDM Wear-resistant EPDMValve StemStainless Steel 416SS Stainless Steel 316SS Stainless Steel 304SS Carbon Steel 45# Nickel-Phosphorus PlatedDriveAluminum Handle Malleable Iron HandleD371X-10/16Z/C/P Manual Turbine Wafer Butterfly Valve ParametersProduct NameWafer Handle Centerline Butterfly ValveConnection TypeWafer TypeNominal DiameterDN40–DN150Nominal PressurePN10/PN16Test PressureShell Test: Nominal Pressure×1.5 timesSeal Test: Nominal Pressure×1.1 timesSurface CoatingEpoxy Resin CoatingDrive TypeStreamlined Aluminum Handle or High-Strength Malleable Iron HandleApplicable Temperature-30℃–180℃Applicable MediaWater, salt, acid, alkali, natural gas, air, alcohols, oils, food, steam, etc.
The manual turbine wafer butterfly valve features: simple structure, compact size, and lightweight. Rotate the handle90° to easily open or close the valve, and it can be held at the desired opening angle.
D371X-10/16Z/C/P Manual Turbine Wafer Butterfly Valve Advantages
Selecting different component materials makes it suitable for various media
Epoxy resin coating on the surface provides corrosion resistance and an attractive appearance
Pinless connection of the shaft plate, lightweight structure, easy transportation, installation, and maintenance
90° opening and closing, rapid switching. Low operating torque, labor-saving and lightweight
Soft seal, zero leakage, long service life
D371X-10/16Z/C/P Manual Turbine Wafer Butterfly Valve Manufacturing Standards
Item Name
Adopted Standard
Optional Standard
Design, Manufacturing, and Acceptance
GB12238-1989
ISO/DIN10631-1991, API598
Valve Structure Length
GB12221-1989
ISO5752-1988
Valve Flange Connection
GB9113-2000
ANSI.B16.5, ISO7005, JIS B2238, 2239
Valve Inspection
GB/T13927-1992
ISO/DIN5208-1987
Valve Marking
GB12220-1989
ISO05209-1987
D371X-10/16Z/C/P Manual Turbine Wafer Butterfly Valve Materials Used
Part Name
Optional Materials
Valve Body
Ductile Iron (DI), Gray Cast Iron (CI), Cast Steel (WCB), Stainless Steel (CF8/CF8M)
Valve Disc
Ductile Iron Nylon Coated (N), Ductile Iron Electroplated (D), CF8 (P), CF8M (R), Aluminum Bronze (T)
Valve Seat
EPDM (EPDM), Nitrile Rubber (NBR), PTFE (PTFE), Fluororubber (VITON), Silicone Rubber (SEP), Heat-resistant EPDM Wear-resistant EPDM
Valve Stem
Stainless Steel 416SS Stainless Steel 316SS Stainless Steel 304SS Carbon Steel 45# Nickel-Phosphorus Plated
Drive
Aluminum Handle Malleable Iron Handle
D371X-10/16Z/C/P Manual Turbine Wafer Butterfly Valve Parameters
Product Name
Wafer Handle Centerline Butterfly Valve
Connection Type
Wafer Type
Nominal Diameter
DN40–DN150
Nominal Pressure
PN10/PN16
Test Pressure
Shell Test: Nominal Pressure×1.5 times
Seal Test: Nominal Pressure×1.1 times
Surface Coating
Epoxy Resin Coating
Drive Type
Streamlined Aluminum Handle or High-Strength Malleable Iron Handle
Applicable Temperature
-30℃–180℃
Applicable Media
Water, salt, acid, alkali, natural gas, air, alcohols, oils, food, steam, etc.
