Large Diameter Weld Neck Forged Flange High Pressure Pipe Fitting Flanges

• Standard: ANSI, DIN, GB, JIS, GOST, BSW
• Type: Slotted
• Material: Stainless Steel
• Structure: Flanges
• Connection: Flanged
• Sealing Surface: RF
• Manufacturing Way: Forging
• Transport Package: Plywood Case/Brandrith
• Specification: TUV
• Trademark: DH
• Origin: China
• HS Code: 73079100
• Production Capacity: 15000 Tonnage Per Year

Product Description

Shanxi Dong Huang Forging Company Ltd., is a medium-size company in the forging industry, and the major products are forgeable pieces and flanges.
With 20 years of manufacturing experience, our factory now covers an area of 16, 000 square meters, employing more than 200 staff, including 4 senior engineers, 6 engineers, 30 technicians and 12 inspection specialists. With advanced technology, world-class craftsmanship and a complete range of inspection methods, we can produce any products smaller than 5, 000 mm in diameter and lighter than 30, 000 kg in weight in one completion. Having signed long-tem purchasing contracts with major steel and iron factories in China such as Bao Steel, Tai Steel, Capital Steel and others, our company can guarantee the quality of raw materials, with a comprehensive operational chains of material soucing, forging, heat treatment, machine tooling, quality inspection, mechanical typing, and packaging. Our equipment and technologies are also constantly upgrading.

Name: Flange
Standard: ASME; ANSI/DIN; BS; JIS; EN; ...
Raw material: Carbon/stainless
Size: 0.25"~56"~max.
Type: WN; SO; BL; SW; PL; THRD...
Facing: RF; RTJ; FF; FM; M; T; G; ...
Pressure: Standard

3. SPECIFICATION DETAILS: 
 

Material	Carbon steel	ASTM A105, A350 LF1, LF2, LF3, LF6, CL1/CL2,; A694 F52, F60, F65, F70; A516 Gr. 60, 70; BS-EN 10222-2 P245GH, P280GH; EN10222-4 P355NH, P355QH; EN10273 P250GH, P265GH; DIN 17243 C22.8; VD-TUEV350/3 C21; GB/T 1591 Q345B, Q420B; NB/T 47008 16Mn,20#; BS 10250-2 S235JRG2;
	Stainless steel	ASTM A182 F304/304L, F316/316L, F316H, F304H, F321H, F310, F316Ti; NB/T 47010 S30403, S30408, S31603, S31608, S32168; BS-EN 10222-5 1.4301, 1.4307, 1.4404, 1.4541, 1.4571;
	Alloy steel	ASTM A182 F95, F9, F11, F12, F22,F91,F51,F53,F55,F60,F44,etc. NB/T 47008 15CrMo, 12Cr1MoV, 1Cr5Mo; GB/T 3077 42CrMo, 30CrMo, 35CrMo;
	C-276/UNS N10276	ASTM B575/ASME SB-575,ASTM B574/ASME SB-574,ASTM B622/ASME SB-622,ASTM B619/ASME SB-619,ASTM B366/ASME SB-366,ASTM B564/ASME SB-564
Dimension Standard (DN15-DN4000mm)	ANSI & ASWE (class 150-2500)	B16.5, B16.47, B16.48;
	DIN (6-40bar)	DIN2527, 2573, 2576, 2630-2638, 2627-2629, 2565-2569;
	JIS (5K -30K)	JIS B2202, 2210, 2220;
	BS EN1092-1 (6-40Bar)	type 01, type 02, type 03, type 04, type 05, type 11, type 12, type 13, type 21, etc.
	others	MSS SP44, AWWA C207, API 6A, API 16A, AS 2129, GB/T9119, JB/T 74, HG/T20592, 20615, SH 3406, Q/GDW 705, etc.. other equivalent standards, and customization with drawings;
TYPE	1.Flat flange  2.Blind flange  3.Slip on 4.Lap joint flange 5.Welding neck Flange
	6.Socket welding 7.Threaded flange  8.Long welding neck flange. etc.
Connection	Raised Face, Flat Face, Ring Type Joint, Lap-Joint Face, Large Male-Female, Small Male-Female, Large Tongue, Groove, Small-Tongue, Groove, etc
Size	1/2"-100"
Package	1.>Standard export packaging (Plywood Case Of Outside,Plastic Cloth Of Inside).
	2:As Customers' Requirements
Certificate	TUV,ISO9001:2015;
Applications	Water works, Shipbuilding industry, Petrochemical & Gas industry, Power industry, Valve industry,and general pipes connecting projects etc.

4. Production process: 


5. Packages:


 
6. Quality Certificates: 


7. Machineries and testing equipments



8. Our Team: