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CT20 Q235 Carbon Steel Weld Neck Raised Face Flange GOST 12821 DN10-DN1600 

Place of Origin: Shandong, China (Mainland) 
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CT20 Q235 Carbon Steel Weld Neck Raised Face Flange GOST 12821 DN10-DN1600
 
 
Carbon

CT20 Q235 Carbon Steel Weld Neck Raised Face Flange GOST 12821 DN10-DN1600

 

 

Carbon Steel / Stainless Steel Welding Neck Flange With GOST 12821

 

Description:

 

Weld Neck Flanges are flanges that designed to be joined to a piping system by butt welding. the WN Flange is relatively expensive because of its long neck, but is preferred for high stress applications. The neck, or hub, transmits stresses to the pipe, reducing stress concentrations at the base of the Welding-Neck flanges. The gradual transition of thickness from the base of the hub to the wall thickness at the butt weld provides important reinforcement of the Weld Neck flange. The bore of the Weld-Neck flange matches the bore of the pipe, reducing turbulence and erosion.

 

Specifications:

 

The flange conforming to GOST 12821, Pressure PN6 to PN63, made from carbon steel or stainless steel. Used in machinery, petroleum, chemical, water, electricity, shipbuilding sectors piping systems, etc

 

Type:         Welding Neck Flange
Standard:  GOST 12821

Pressure:   PN6-PN63

Size:          DN10-DN1600

Material:    CT20; Q235; SS304/304L, SS316/316L

Coating:    Rust-proof oil, yellow paint, galvanized.

 

Gost flange is a flange system from Russia, include Plate Flanges(GOST12820-80),Blind Flanges

(GOST12836-67),Welding neck Flanges(GOST12821-80), Steel Butt-Welded Flanges GOST12821-80 etc., size from DN15 to DN1600, Plate flange, welding neck flange, slip on welding plate flange.

 

Standard Type Size Pressure Material
GOST 12820-80 Slip-On DN10-DN1600 PN6,PN10,PN16,PN25

CT20; Q235;

SS304/304L, SS316/316L

GOST 12821 Welding Neck DN10-DN1600 PN6,PN10,PN16,PN25, PN40, PN63

CT20; Q235;

SS304/304L, SS316/316L

GOST 12836-67 Blind DN10-DN500 PN6,PN10,PN16,PN25, PN40, PN63

CT20; Q235;

SS304/304L, SS316/316L

 

Applications:

 

Machinery, petroleum, chemical, water, electricity, shipbuilding sectors piping systems and devices

 

Competitive Advantage: meet various customer’s demand

 

 

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Company Info

LANGFANG DINGBO HARDWARE CO.,LTD. [China (Mainland)]


Business Type:Manufacturer
City: Langfang
Province/State: Hebei
Country/Region: China (Mainland)

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