Manual PTFE Half-Lining Wafer Butterfly Valve

• Connection Form: Wafer
• Structure: Centre Sealing
• Seal Form: Force Sealed
• Work Pressure: Low Pressure (Pn<1.6mpa)
• Working Temperature: Medium Temperature (120°C<T<450°C)
• Material of Seal Surface: Soft Sealed
• Model NO.: D71F-16C/P/R
• Application: Industrial Usage, Water Industrial Usage
• Trade Mark: Kt,Kst,OEM
• Original: China
• Transport Package: Plastic Bags, Cartons, Plywood Cases
• Specification: CE, ISO9001, FDA, API, DNV
• Trademark: KT/KST/OEM
• Origin: China
• HS Code: 8481804090
• Production Capacity: 1, 000PCS

Product Description

Manual PTFE Half-Lining Wafer Butterfly Valve
Pressure Range: 1.6Mpa
Flanged Connection: DIN250-PN10/16-ANSI 150LB
Nominal Diameter: DN40-DN200
Application: Petroleum, ChemicalIndustry, Food, Medicine, Energy etc.
Medium Temp.: -79-+180 centigrade (it depends on sealing material)
Dimension: GB/T 12221 J1 Series
ISO 5752 Short Series 20
BS 5155 Water Short/Medium
DIN 3202 Part 3 Series K1
Top Flange: ISO 5211
Body: Gray Cast Iron, Ductile Cast Iron
Disc: Ductile Cast Iron, Stainless Steel, Brass Alloy ect.
Stem: Stainless Steel
Seat: PTFE, PFA, F46, UHMWPE ect.
Operation: Handle, Worm wheel, Electrical, Pneumatic, Hydraulic Actuator, Electro-hydraulic Linkage
Leakage Level: RPTEA EA 12266-2 (Zero Leak)

Standard and Price
Valve Standard	Comply with ISO 5752/BS 5155/BS EN 593/MSS SP-67/API 609
Pressure Temprature and Rating
Working Pressure	16bar/25bar
Testing Pressure	Shell: 24bar/37.5bar
	Seal: 17.6bar/27.5bar
Working Temperature	-20 °C  to 110 °C  EPDM Seat
	-10 °C  to 80 °C  NBR Seat
Suitable Media	Water, Oil & Gas

Material Specification
Part	Material	EN Spec.
Body	Cast Iron	A126 Class B
	Ductile Iron	A536 Gr. 65-45-12
Disc	Ductile Iron	A536 Gr. 65-45-12
	Bronze	B148 C95400
	Stainless Steel 304	A351 CF-8
	Stainless Steel 316	A351 CF-8M
Shaft	Stainless Steel 410	A276 S 410 00
	Stainless Steel 431	A276 S 431 00
Seat Ring	EPDM / NBR
O-Ring	EPDM / NBR
Bushing	PTFE
	Bronze	B62 C83600