Product Description Model NO.: D37 Connection Form: Wafer Seal Form: Force Sealed Work Pressure: Low Pressure (Pn<1.6mpa) Material of Seal Surface: Soft Sealed Application: Industrial Usage, Water Industrial Usage, Household Usage Design & Manufacture: API 509 Face to Face: API 509 Inspect & Test: API 598 Certificate 2: ISO 9001: 2008 Certificate 4: API 6D Specification: API, ANSI, ASME, DIN, JIS, GB etc. HS Code: 84818010 Driving Mode: Manual Structure: Single-Eccentric Sealing Valve Stem: Normal Working Temperature: Medium Temperature (120°CButterfly Valve Conform to API 509, They are tested according to API 598, and marked as per MSS SP-25

1.Construction is as follows:

- Double or Triple Eccentric

- Single Type Body

- Renewable Sealing Ring

- Fire Safe Design

- Anti-static Design

- Uni-direction or Bi-direction

- Butt Weld Ends to ASME B16.25

- 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
Stem	F6a	F304	F6a	F304	F316	F304L	F316L
Seat/Seat Ring	PTFE/RPTFE/NYLON/DEVLON/PEEK or METAL
Packing	Graphite/PTFE
Gasket	SS304+Graphite/SS304+Graphite
Bolts/Nuts	B7/2H	L7/4	B16/4	B8/8	B8M/8M	B8/8	B8M/8M
Suitable Medium	W.O.G etc.			HNO3, CH3OOH etc.
Suitable Temperature	-29~425 °C	-46~340 °C	-46~340 °C	-196~427 °C	-196~427 °C	-196~427 °C	-196~427 °C

3.OUR ADVANTAGE
Normal Pressure Rating
PN10~PN64, CLASS150~600

4.Normal Size Range
DN50~DN1800, 2"~72"           

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Product Categories : Butterfly Valve > Wafer Butterfly Valve