steel flange OEM for weld on pipes

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1 m.t.
Supply Capability:
300 m.t./month

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Product Description:


1/2-48 inch (DN15-DN2000),1/2-48 inch (DN15-DN2000) stainless steel flange


Carbon Steel,Carbon steel stainless steel and alloy steel


JIS, as customers drawings for special use

Place of Origin:

Shandong China (Mainland)

Model Number:


Brand Name:


Standard or Nonstandard:


Surface treatment:

Anti-rust Oil, Transparent/Yellow/Black Anti-rust Paint,Zinc,

Pressure ratings:

Class 150 300 600 900 1500 and 2500


factory in-house self check or Third Party inspection


wooden cases pallets or as per customers special requirement.


Free forging, plate cutting

Packaging & Delivery

Packaging Detail:No Fumigate or Fumigate Playwood/Wood Pallet or Case,or as per customers special requirement.
Delivery Detail:Within 30days after receiving the formal order


stainless steel flange
Durable, strict quality management and control
we are an ISO9001 and TUV enterprise
OEM service



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Q:Flange specification PL80-1.6RF
For more flange types and sealing surfaces, please learn HG20592-1997 and HG20615-1997 standards
Q:How to calculate the flange quote formula?
A formula for calculating flange quotations, but such formulas are widely spread over the network and vary from one to another, and the results are different. In fact, there is no constant formula for the price of the flange, but it depends on the specific process of production. So I decided to have a quotation about flange quotation and let you know how our manufacturers quote. In fact, there is nothing to keep secret.
Q:In the fire fighting pipeline, how is the flange piece quantity calculated?
1, the valve flange: Sixth volumes of quota, valve, flange alone set quota, valves, flange bolts and other materials; when the set of eighth volumes, flange, bolt as auxiliary; I was in Liaoning, Liaoning also has seventh volume fixed valve, flange, bolts and auxiliary materials; if it is groove flange, direct replacement material or auxiliary line;2, pipe flange connection: flange containing in the pipe flange connection installed fixed, flange and bolt material of another; if there is no flange connection quota quota, should first set screw, and then set the installation of fixed flange;3, out of the pipe or interface pipe to leave the flange: sets of flange installation quota on the line; Liaoning sixth volumes and eighth books have flange installation quota;
Q:WF face flangeI'd like to ask what flange form WF is,
The pattern of the flange sealing surface: plane (FF), sudden surface (RF), (MF), convex concave groove (TG) and ring junction (RJ). So far, there is no other form of sealing surface, is the concave and convex surface (MF) write backwards,
Q:Is it a flange or a Flange?
Flange classification method:1, according to the chemical industry standard (HG): integral flange (IF), (Th), threaded flange welding plate flange (PL), neck flange (WN), hubbed flange (SO), socket welding flange, butt welding (SW) ring loose flange (PJ/SE), flat loose flange ring lining flange (PJ/RJ), (BL (S)), flange (BL).2, according to the petrochemical industry standard (SH): (PT), threaded flange welding flange flange (WN), (SO), socket welding flange (SW), loose flange, flange cover (LJ) (not note).
Q:To be made?
Yes, Guangzhou Huanya group, is a company with skin care
Q:What's the thickness tolerance of neck flange?
Technical specification for GB/T15530.8-1995 copper alloy and composite flangesDifferent standards require different tolerances. You can choose what standards you want
Q:Which flange is the front pipe case flange and the cylinder flange?
The front pipe case flange is the tube part, which is connected with the tube plate.
Q:What does the 25*3 of flange material specification (angle steel) mean?
Angle steel definition:Angle called angle, the steel strip is perpendicular to each other on both sides into the corner. There are equal angles and unequal angles. The two sides of an equal angle steel are equal in width. The specifications are expressed in millimeters of edge width * edge width * edge thickness. Such as "/ 30 x 30 x 3", that is 30 mm width equal angle, edge thickness of 3 mm. Also available models that model is the number of centimeters wide, such as angle 3#.
Q:Dn is 250, Pn25 flange, what is the hole distance?
Flange center hole distance d1=370mmFlange diameter D=425mmGB GB/T9113.1-2000

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