Counter Weight Cast Steel RF Flanged Butterfly Check Valve-Flange Butterfly Valve

• Customization: Available
• Driving Mode: Manual
• Connection Form: Wafer
• Structure: Single-Eccentric Sealing
• Seal Form: Supercharging Pressured Sealed
• Valve Stem: Normal
• Work Pressure: Mid-Pressure (2.5mpa< Pn <6.4mpa)
• 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
• Characteristic: Wafer Butterfly Valve
• Design & Manufacture: API 509, DIN 3202
• Pre-Temp. Rating: ASME B16.34
• Face to Face: API 509, DIN 3202
• Ends Connection: Wafer, Lug or Flanged
• Inspect & Test: API 598
• Certificate 1: Dnv CE 0575
• Certificate 2: ISO 9001: 2008
• Transport Package: Sea Worthy
• Specification: API, ANSI, ASME, DIN, JIS, GB etc.
• Trademark: VATAC or OEM
• Origin: China
• HS Code: 84818010
• Production Capacity: 6000ton Per Year

Product Description

Conform to API 509, DIN 3202. They are tested according to API 598, and marked as per MSS SP-25

1. Construction is as follows:

- Concentric Type

- Single Type Body

- Renewable Sealing Ring

- Uni-direction or Bi-direction

- Flanged Ends to ASME B16.5

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

2. Main Part & Materials

Part Names	Part Materials
Body	WCB	LCB	WC6	CF8	CF8M	CF3	CF3M
Disc	WCB	LCB	WC6	CF8	CF8M	CF3	CF3M
Lining	FEP/PTFE/PFA
Seat/Seat Ring	PTFE
Packing	Graphite/PTFE
Gasket	SS304+Graphite/SS304+Graphite
Suitable Medium	Corrosive Medium
Suitable Temperature	-29~150 °C

3. Normal Pressure Rating
PN6~PN16, CLASS150

4. Normal Size Range
DN50~DN600, 2"~24"