Hebei, China
Business Type:
Manufacturer/Factory & Trading Company
Main Products:
Year of Establishment:
1998-11-06
Management System Certification:
ISO9001:2008, ISO14001:2004, OHSAS18001:2007, Q/SY1002.1-2013
Main Markets:
North America, South America, Europe, Southeast Asia/ Mideast, East Asia(Japan/ South ...
OEM/ODM Service
Sample Available

Carbon Flange, Blind Flange, RF Flange manufacturer / supplier in China, offering ANSI/JIS/En1092-1/DIN/GOST/BS4504/ Flanges/Gas Flange /Oil Flange/Pipe Fitting Flanges / Manufacturer Form China, ANSI B16.9 Carbon Steel Ss 316 45/60/90/180 Degree Pipe Fitting Elbow, ASME B16.9 Stainless Steel Eccentric Pipe Fitting Reducer and so on.

Gold Member Since 2013
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Supplier Homepage Products flanges ANSI/JIS/En1092-1/DIN/GOST/BS4504/ Flanges/Gas Flange /Oil Flange/Pipe Fitting Flanges / Manufacturer Form China

ANSI/JIS/En1092-1/DIN/GOST/BS4504/ Flanges/Gas Flange /Oil Flange/Pipe Fitting Flanges / Manufacturer Form China

Get Latest Price
Min. Order / Reference FOB Price
1 Piece US $20/ Piece
Port: Tianjin, China
Production Capacity: 30, 000 Ton/Year.
Payment Terms: L/C, T/T, Western Union
Standard: ANSI, DIN, GB, JIS, GOST
Type: Welding Flange
Material: Carbon Steel
Structure: Flanges
Connection: Welding
Sealing Surface: RF

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Basic Info

Model NO.
DN15-DN3000
Manufacturing Way
Forging
Coating
as Customers Requirements
Trademark
ST
Transport Package
Pallet, Wooden Case, as Customers Requirements
Specification
SGS, BV, ISO9001, API
Origin
Cang Zhou, China
HS Code
730791
1. What's blind flange usage

Blind flange is used to close ends of piping systems. It is a kind of round plate with no center hold but with all the proper bolt holes. This blind flange is available in various sizes and materials and is used to provide positive closer on the ends of pipes, valves or equipment nozzles. This flange helps in easy access to A Line once it has been sealed. The blind flange is sometimes custom made or machined to accept a nominal sized pipe to which reduction is being made. This reduction can be a threaded reduction or welded reduction.

2. Features of blind flanges: Some important features of blind flanges are as follows:
Blind flanges are sometimes supplied with NPT fittings which allow pressure test connections to be fitted.
They are used to blank off the ends of pipe.
They are also used to blank off the ends of valves and pressure vessel opening.
Considering factors like internal pressure and bolt loading, blind flanges, especially in the larger sizes, are the most highly stressed of all types of flanges.
Since the maximum stresses in a blind flange are bending stresses at the center, they can safely be allowed to be higher than in other types of flanges.
Blind flanges are made to fit standard pipes in all sizes.
3. Blind flange material

Stainless Steel: ASTM A 182, A 240
Grade: F304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L, Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel UNS S32750
Carbon Steel: ASTM A 105, ASTM A 181
Alloy Steel: ASTM A 182, GR F1, F11, F22, F5, F9, F91
Nickel Alloys: Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22, C276
Copper Alloys: Copper, Brass & Gunmetal
Size: 1/8" NB TO 48"NB.
Class: 150#, 300#, 400 #, 600#, 900#, 1500# & 2500 #.

4. Blind flange standard

ANSI: ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
DIN: DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
B. S: BS4504, BS4504, BS1560, BS10
    
         Descriptions
      Size                                   Remarks 
        Pictures
Elbow45°/60°/90°/180°
 
1/2"-80"Standard:  ANSI; BS; JIS; DIN; MSS; etc 
 
 
Flanges
PL/SO/WN/SW/BL/IF 
 
1/2"-80"
Material: Carbon steel; Stainless steel; Alloy steel;
 Cast iron; etc
 
ReducerCON/ECC
 
 
 
1/2"-80"
Structure Technique: Forged and casting flanges.
                
 
TeesEqual/reducer 
 
1/2"-80"
Surface Coating technique: Sand Blast; Lacquering; 
NippleThreaded/Hex/ Round1/2"-80"Surface finishing: black, electro-galvanized, hot-galvanized
 
 
UnionMale/female1/8"-6"Pressure:3000#-9000# 
OutletWeldolet/threadolet/socko let1/8"-6"Standard:MSS SP-97 
CapBW CAP1/2"-48"Best price&high quality 
Coupling  SW/Threaded1/8"-6"PLE;PSE;TLE,BSE;TOE 
PlugSquare/hex/round1/8"-4"Large QTY&Lower price 
BushingRound/Hex/Flush1/8"-4"Pressure:3000#-9000# 
Swaged nippleThreaded/Plain1/8"-4"SCH10S-SCH80 

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