Wafer type butterfly valve (TH-BTV-AW) - Professional manufacturer

Marine industry, Water supply and drainage, fire fighting, shipbuilding, water treatment and other systems, DN50 to D1200, NBR/EPDM/VITON, Certificates & Approvals: DNV-GL, Lloyds, DNV, ABS, BV, Standards: EN 593, API609

Drawings & Dimensions

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Wafer type butterfly valve (TH-BTV-AW)

Area of application

Marine industry, Water supply and drainage, fire fighting, shipbuilding, water treatment and other systems

Technical Parameters /Properties of Wafer type Butterfly valve

Type:	Multi-Flange Wafer
Size & Connections:	DN50 to D1200
Medium:	Air, Inert Gas, Oil, Seawater, Waste water, Water
Materials:	Cast Iron / Ductile Iron/ Carbon Steel / Stainless Steel / Alu Bronze
Pressure Rating:	PN10, PN16
Temperature:	-30°C to 200°C
Seat/Lining:	Replaceable Liner / Bonded Liner NBR/EPDM/VITON, PTFE/PFA lining
Certificates & Approvals:	DNV-GL, Lloyds, DNV, ABS, BV Type Approval 3.1 & 3.2 Cert (on request)

Standards

Design and Manufacture Conform to EN 593、 API609
Flange dimensions Conform to EN 1092-2 PN10
Face to Face dimensions Conform to EN558 series
Topwork’s dimensions Conform to ISO5211
Testing Conform to API598、EN12266-1

Material of Parts

Part name	Material
Body	ASTM A536 65-45-12/ASTM A126 B EN-JL 1040 (GG-25) EN-JS 1030 (GGG-40) EN-JS 1049 (GGG 40.3) Stainless steel (1.4408) Alu-Bronze
Disc / Plate	DI+NI,CF8/CF8M,C954/C958 EN-JS 1030 (GGG-40) Stainless steel (1.4408)
Shaft / stem	SS431/SS420/SS410/SS304
Seat / lining	NBR /EPDM /VITON /PTFE /PFA
Taper pins	SS416/SS316
Bushing	BRASS/PTFE
O-ring	NBR/EPDM/VITON
Key	STEEL