Blank Flange Blind Flange Spectacle Blind Flange

• Customization: Available
• Processing Object: Metal
• Molding Style: Forging
• Molding Technics: Open-Die Forging
• Application: Machinery Parts
• Material: Steel
• Heat Treatment: Quenching
• Surface Treatment: Polishing
• Forging Tolerance: +/-0.5mm
• Standard: ANSI
• Certification: ISO 9001:2015
• Materials: Ss, CS, Dss, Alloy Steel
• Lead Time: 10-25days
• Standards: En1092-1 Type 05
• L/C: Workable
• Reports: En10204-3.1, Mtc
• Transport Package: Plywood Case/Brandrith
• Specification: TUV/ PED 2014/68/EU
• Trademark: DHDZ
• Origin: China
• HS Code: 73261910
• Production Capacity: 2000 Ton / Year

Product Description

Blind flange manufacturer in China Spectacle Blind flange supplier

Name:	Steel 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

 

1. Our Products Range:
Welding Neck flange/slip-on boss flang/slip-on screw flange/thread flange /slip-on weld flange /lap joint flange/FF/RF/MF/TG/OSG/RJ 

Standard: ASME B 16.5 /DIN 2631 DIN 2632 DIN2633/DIN2634/DIN 2635/AS2129/Table D table E/BS 10/GOST 12821-80 /JIS 

Material: Alloy steel, carbon steel and stainless steel 304 316 CF8 CF8M ASTM A105N, ASTM A350 LF2, ASTM A182 F5, ASTM A182 F11, ASTM A182 F9, ASTM A182 F5, ASTM A182 F22/Titanium Gr1, Gr2, Gr3, Gr4, Gr5, Gr7, G9, Gr12 

Size: DN10~DN4000 

Pressure: PN2.5 PN6 PN10 PN16 PN25 PN40 PN63 PN100 150# 300# 600# 900# 1500# /class: 5K, 10K, 16K, 20K, 30K 

DHDZ has more than 150 customers in the world, the famous ones are: 
*ABB-Shaft; cylinder
*SIEMENS, -large size forgings 5M length shaft
*SINOPEC-flanges. 

We were established in 1990 and have the experience in forging field more than 20 years, and now have 16000 M2 factory with 200 employees and ISO9001 & PED (TUV) had been passed, API and BV certifying are in processing. 

2. Company Profile:

DHDZ China are manufacturer of the High Quality Steel Flanges and Forgings based on different standards: ASME, JIS, BS, ISO, DIN, EN, SABs etc.   
Flanges covers Weld Neck, Slip On,  Threaded, Lap Joint, Socket Weld, Blind, Orifice, Loose, Plate, Oval, Wind Power Flange, Tube Sheet, other Customized Flanges.     

Forgings covers Blocks, Disks, Rings, Cylinders, Shafts, Tubes, Bars, other Customized forgings, etc..     

Main Mateirals: Carbon Steel, Stainless Steel and Alloy steels;  

International Standards: ASME, JIS, DIN, GB, BS, EN, AS, SABS, etc.    

Standardization and Customization are both our advantages.    

 

Certificate: ISO system, PED certificates, TUV certified.     

Nearly 20 years experience;   

clients from more than 15 Countries in EU, USA, Gulf area, UK, South America, AU, Asia, etc..    

We will do our best to support you no matter big or small you are!  

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.

3. Production process: 

4. Machinery & Processing equipments: 



5. DHDZ Strict Quality control process ensures top quality and on-time delivery for flanges and forgings clients 



6. Inspection & Package: 
7. Quality Certificates: 
8. Our Service Team: 

9. FAQ- Frequently Asked Questions:
 

Q1: Are you trading company or manufacturer ?

A: We are manufacturer focusing on Forgings and Flanges only; .

Q2: How long is the delivery ?

A: About 10-30days according to the order quantity and weight. 

Q3: Do you provide samples ? is it free or extra ?

A: Yes, Sample orders are available, but NOT FREE. 

Q4: How to get quotation from your company quickly? 

 A: Just send us email with your request with Item description, materials, standard or drawing, quantity, we will respond and quote within 2 hours. 

Q5:How to visit our company?

A: Contact us in advance by email. Our Shanghai office and Shanxi factories are all OK to be visited. 

Q6: Is Third Party Inspection arrangeable? 

A: YES. Customer could arrange TPI with extra charges or ask us to arrange. 

Q7: Is MTC and Heat Treatment Report available? 

A: YES. MTC, HT, EN10204-3.1, EN10204-3.2 (equivelent to ISO10474-3.1A,3.1B,3.1C), COO, all available upon client's request. 

Q8: Any whatsapp or wechat or online chatting tools available? 

A: Just send us your inquiry email and our salesperson will contact you with respective chatting tools. 

Q9: What is your Payment term and Departure Port? 

A: T/T, L/C, D/A, all available. Departure port Tianjin, Qingdao, Shanghai CHINA all available. 

Q10: How about your MOQ?

A: We provide both prototype and mass production, Our MOQ is 1 piece.

Q11:How long can I get a quote after RFQ?

A:we generally quote you within 24 hours. More detail information provided will be helpful to save your time.

1) detailed engineering drawing with tolerance and other requirement.

2) the quantity you demand. 

Q12:How is your quality guarantee?

A:we do 100% inspection before delivery, we are looking for long term business relationship.

Q13:Can I sign NDA with you?

A:Sure, we will keep your drawing and information confidential.