Cast Iron/Ductile Iron Flanged Butterfly Valve (D41)

• Driving Mode: Manual
• Connection Form: Flange
• Structure: Centre Sealing
• Seal Form: Auto Sealed
• Valve Stem: Normal
• Work Pressure: Low Pressure (Pn<1.6mpa)
• Model NO.: D41
• Working Temperature: Medium Temperature (120°C<T<450°C)
• Material of Seal Surface: Soft Sealed
• Valve Body: Casting
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Characteristics: Flanged Butterfly Valve
• Design & Manufacture: API 609, DIN 3202
• Pre-Temp. Rating: Asme B16.34
• Face to Face: API 609, DIN 3202
• Ends Connection: Flanged FF,RF,Rtj
• Inspect & Test: API 598
• Certificate 1: Dnv CE 0575
• Certificate 2: ISO9001:2008
• Certificate 3: API 6D
• Certificate 4: API 600
• Transport Package: Sea Worthy or Air Worthy
• Specification: AWWA C504
• Trademark: VATAC/OEM
• Origin: China
• HS Code: 84818010
• Production Capacity: 8000ton Per Year

Product Description

Cast Iron/Ductile Iron Flanged Butterfly Valve  (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"