Anti Corrosive PFA/ PTFE/ FEP Lined Seat Wafer Butterfly Valve (D43)

• Media: Corrosive Water, Steam, Oil etc
• Driving Mode: Manual,Worm Gear,Pneumatic, Electric-Motorized
• Connection Form: Flange / Wafer / Lug etc
• Structure: Centre Sealing
• Seal Form: Force Sealed
• Valve Stem: Normal
• Model NO.: D41F46
• Work Pressure: Low Pressure (Pn<1.6mpa)
• Working Temperature: -20~260ºC
• Material of Seal Surface: Soft Sealed
• Valve Body: Casting
• Application: Industrial Usage
• Transport Package: Bubble Plastic Paper + Plywood Case
• Specification: DN40~DN1200
• Trademark: KARFAR
• Origin: China

Product Description

Anti Corrosive PFA/ PTFE/ FEP Seated Butterfly Valve
MODEL NO.: D43

Butterfly valve, lever (gear) operator, anti corrosive material seated, centerline design
Design to comply with MSS SP-67, BS5155 and API 609
Compatible with ANSI, DIN, BS, JIS flanges
Size range: 1-1/2" to 48" DN40-DN1200 
handles (1-1/2inches to 12 inches), manual gear operators (1-1/2inches to 48 inches)
Pressure: PN0.6 to PN1.6MPa PN2.5 MPa
Temperature ratings: -20 to 260°C
Connection: wafer type, lug type, Flange type

Material list
Part name	Materials
Body	Cast iron: ASTM A126CL.B, DIN1691 GG25, EN 1561 EN-GIL-200
	Ductile iron: ASTM A53665-45-12,  DIN 1693 GGG40, EN1563 EN-GJS-200
	Stainless steel: ASTM A351 CF8, CF8M, CF3
	Carbon steel: ASTM A216 WCB
Stem	Stainless steel: ASTM A276 type 316, 400, ASTM A582 type 416
Taper pin	Stainless steel: ASTM A276 type 304, type316, EN 14501
Seat	NBR,  EPDM, Neoprene, viton, PTFE, TELFON, F46, F4 etc.
Disc	Ductile cast iron (nickel plated): ASTM A53665-45-12, DIN 1693 GGG40, EN1563 EN-GJS-400-15, GB12227 QT450-10
O-ring	NBR,EPDM,Neoprene,Viton, PTFE
Bushing	PIPE Nylon lubricated bronze
Key	Carbon steel
Test
Working pressure		PN10, PN16, PN25
Shell pressure		1.5Mpa, 2.4Mpa, 27.5Mpa
Seat pressure		1.1Mpa, 1.76Mpa, 37.5Mpa