OEM Custom Flange Factory – Forged Blind Flange – C. Z. IT Detail:
SPECIFICATION
Product Name | Blind flange |
Size | 1/2″-250″ |
Pressure | 150#-2500#,PN0.6-PN400,5K-40K,API 2000-15000 |
Standard | ANSI B16.5,EN1092-1, SABA1123, JIS B2220, DIN, GOST,UNI,AS2129, API 6A, etc. |
Wall thickness | SCH5S, SCH10S, SCH10, SCH40S,STD, XS, XXS, SCH20,SCH30,SCH40, SCH60, SCH80, SCH160, XXS and etc. |
Material | Stainless steel: A182F304/304L, A182 F316/316L, A182F321, A182F310S, A182F347H, A182F316Ti, 317/317L, 904L, 1.4301, 1.4307, 1.4401, 1.4571,1.4541, 254Mo and etc. |
Carbon steel: A105, A350LF2, S235Jr, S275Jr, St37, St45.8, A42CP, A48CP, E24 , A515 Gr60, A515 Gr 70 etc. | |
Duplex stainless steel: UNS31803, SAF2205, UNS32205, UNS31500, UNS32750 , UNS32760, 1.4462,1.4410,1.4501 and etc. | |
Pipeline steel: A694 F42, A694F52, A694 F60, A694 F65, A694 F70, A694 F80 etc. | |
Nickel alloy: inconel600, inconel625, inconel690, incoloy800, incoloy 825, incoloy 800H,C22, C-276, Monel400, Alloy20 etc. | |
Cr-Mo alloy: A182F11, A182F5, A182F22, A182F91, A182F9, 16mo3,15Crmo, etc. | |
Application | Petrochemical industry;aviation and aerospace industry;pharmaceutical industry;gas exhaust;power plant;ship building;water treatment,etc. |
Advantages | ready stock,faster delivery time;available in all sizes,customized;high quality |
DIMENSION STANDARDS
PRODUCTS DETAIL SHOW
1. Face
Can be raised face(RF), full face(FF), Ring joint(RTJ) , Groove, Tongue, or customized.
2.Seal face
smooth face, waterlines, serrated finished
3.CNC fine finished
Face finish: The finish on the face of flange is measured as an Arithmetical Average Roughness Height(AARH). The finish is determined by the standard used. For example, ANSI B16.5 specifies face finishes within a range 125AARH-500AARH(3.2Ra to 12.5Ra). Other finishes are available on requst, for example 1.6 Ra max,1.6/3.2 Ra, 3.2/6.3Ra or 6.3/12.5Ra. The range 3.2/6.3Ra is most common.
MARKING AND PACKING
• Each layer use plastic film to protect the surface
• For all stainless steel are packed by plywood case. For bigger size carbon flange are packed by plywood pallet. Or can be customized packing.
• Shipping mark can make on request
• Markings on products can be carved or printed. OEM is accepted.
INSPECTION
• UT test
• PT test
• MT test
• Dimension test
Before delivery, our QC team will arrange NDT test and dimension inspection.Also accept TPI(third party inspection).
PRODUCTION PROCESS
1. Choose Genuine raw material | 2. Cut raw material | 3. Pre-heating |
4. Forging | 5. Heat treatment | 6. Rough Machining |
7. Drilling | 8. Fine maching | 9. Marking |
10. Inspection | 11. Packing | 12. Delivery |
COOPERATION CASE
This order is for Malaysia stockist. After receiving the goods, client gave us FIVE STAR favourable comments. While as his advising, we already improved our painting job.
Product detail pictures:



Related Product Guide:
What are duplex stainless steel applications?
Our mission is usually to turn into an innovative provider of high-tech digital and communication devices by providing worth added design and style, world-class producing, and repair capabilities for OEM Custom Flange Factory – Forged Blind Flange – C. Z. IT, The product will supply to all over the world, such as: Islamabad, Cape Town, Florence, We provide good quality but unbeatable low price and the best service. Welcome to post your samples and color ring to us .We will produce the goods according to your request. If you are interested in any products we offer, please feel free to contact us directly by mail, fax, telephone or internet. We are here to answer your questions from Monday to Saturday and looking forward to cooperating with you.

The company keeps to the operation concept "scientific management, high quality and efficiency primacy, customer supreme", we have always maintained business cooperation. Work with you,we feel easy!
