Product Description Model NO.: D41 Connection Form: Flange Seal Form: Force Sealed Work Pressure: Mid-Pressure (2.5mpa< Pn <6.4mpa) Material of Seal Surface: Metal Hard Sealed Application: Industrial Usage, Water Industrial Usage, Household Usage Design & Manufacture: API 609, DIN 3202 Face to Face: API 609, DIN 3202 Inspect & Test: API 598 Certificate 2: ISO9001:2008 Certificate 4: API 600 Specification: AWWA C504 HS Code: 84818010 Driving Mode: Manual Structure: Awwa C504 Valve Stem: Normal Working Temperature: Medium Temperature (120°CButterfly Valve Pre-Temp. Rating: Asme B16.34 Ends Connection: Wafer, Lug or Flanged Certificate 1: Dnv CE 0575 Certificate 3: API 6D Trademark: VATAC/OEM Origin: China Large Size Awwa C504 Butterfly Valve with Flange Ends (D41) Conform to API 609, DIN 3202. They are tested according to API 598, and marked as per MSS SP-25
 
Construction is as follows:  

- Concentric Type

- Single Type Body

- Soft Seated

- Double Half Stem

- Through Stem With Pin

- Uni-direction or Bi-direction

- Flanged Ends to ASME B16.5

- Wafer or Lug Suit to Flanged(ASME B16.5 or B16.47)

 
Main Part & Materials  

Part Names	Part Materials
Body	Cast Iron			Ductile Iron
	A126 B	GG25	FC 20	A536	A395	GGG40	GGG50
Disc	Ductile Iorn/CF8/CF8M/CF3/CF3M/Alum-Bronze
Stem	SS410/SS420/SS416/SS304/SS316/Monel
Seat/Seat Ring	NBR/EPDM/PTFE
Packing	Graphite/PTFE
Gasket	SS304+Graphite/SS304+Graphite
Suitable Medium	Water, Waste Water, Sewage
Suitable Temperature	-29~150 °C

 
Normal Pressure Rating
PN6~PN16, CLASS150

Normal Size Range
DN50~DN1400, 2"~56" 

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