Welding Neck Flange

• Type: Welding Flange
• Material: Steel
• Structure: Flanges
• Connection: Flanged
• Manufacturing Way: Forging
• Characteristic: Flange
• Model NO.: FLG
• Design & Manufacture: ANSI
• Pre-Temp. Rating: Asme B16.34
• Face to Face: Asme B16.10
• Ends Connection: RF/Rtj/FF
• Inspect & Test: API 598
• Certificate 1: Dnv CE 0575
• Certificate 2: ISO 9001: 2008
• Transport Package: Standard Sea Worthy
• Specification: API, ANSI, ASME, BS, DIN, JIS, GB etc.
• Trademark: VATAC or OEM
• Origin: China
• HS Code: 84818010
• Production Capacity: 6000ton Per Year

Product Description

Welding Neck Flange


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

1. Construction is as follows:  

- Regular Port or Reduced Port

- Flange to ASME B16.5

 
 
2. Main Part & Materials

Part Names	Part Materials
Body	A105	LF2	F11	F304	F316	F304L	F316L	C83600/C95800
Bonnet	A105	LF2	F11	F304	F316	F304L	F316L	C83600/C95800
Disc/Ball/Wedge	A105	LF2	F22	F304	SS316	F304L	F316L	C83600/C95800
Stem	--	--	--	--	--	--	--	--
Seat/Seat Ring	EPDM	EPDM	EPDM	EPDM	EPDM	EPDM	EPDM	EPDM
Packing	Graphite/PTFE
Gasket	SS304+Graphite/SS304+Graphite
Bolts/Nuts	B7/2H	L7/4	B16/4	B8/8	B8M/8M	B8/8	B8M/8M	B8M/8M
Suitable Medium	W.O.G etc.			HNO3, CH3OOH etc.				Sea Water etc.
Suitable Temperature	-29~425 °C	-46~340 °C	-46~340 °C	-196~427 °C	-196~427 °C	-196~427 °C	-196~427 °C	-29~220 °C

 
3. Normal Pressure Rating
CL150~CL1500, PN10~PN260
 
4. Normal Size Range
1"~64", DN25~DN1600