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Tianjin Golden Hugeline Co., Ltd.

Carbon Steel Flange, Steel Flange, Forged Flange manufacturer / supplier in China, offering GOST 12820-80 Pn 10 Flange, Zinc Corrugated Roofing Sheet Construction Material Corrugated Sheet, 900lb Asme B16.5 Carbon Steel Threaded Flange and so on.

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Supplier Homepage Product Carbon Steel Flange GOST 12820-80 Pn 10 Flange

GOST 12820-80 Pn 10 Flange

Purchase Qty.:
(Pieces)
1-9 10+
FOB Unit Price: US $5.6 US $56
Purchase Qty. (Pieces) FOB Unit Price
1-9 US $5.6
10+ US $56
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Port: Tianjin, China
Production Capacity: 50000ton
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: 1/2-72" blind flange
  • Type: Welding Flange
  • Connection: Welding
  • Manufacturing Way: Forging
  • Pressure: Pn10-Pn25
  • Od: 1/2-64"
  • Transport Package: Wooden Cases or Pallets
  • Origin: China
  • Standard: ANSI, DIN, GB, JIS, GOST, BSW
  • Structure: Flanges
  • Sealing Surface: FM
  • Product Standard: DIN,ANSI, BS, DIN, JIS, GOST
  • Flange: FF
  • Trademark: GHL
  • Specification: ANSI
  • HS Code: 73072100
Product Description


Specifications
1. Blind flange is used for closing end of piping system
2. Carbon steel, alloy are available
3. Good quality short delivery time
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
FLANGE STANDARDPRESSURE RATINGTYPEFACINGMATERIAL
ANSI B16.5CLASS 150 300 400 600 900 1500 2500 LBSSO WN SW TH LJ BL LWNRF 
FF 
RTJ

etc
ASTM SA105/105N 
A350 LF2 CL1/CL2 
A694 F45/52/65, 
s235jr C22.8;

A182 F304/304L 
A182 F316/316L 
A182 F317L 
A182 F310 F321 F347; 

A182 F5 F9 F11 
F51 F53 F55 F60 
F304H F316H F317H, 
C276 
INCONEL 600 625; 
and etc..
ANSI B16.47-A MSSCLASS 150 300 400 600 900 LBSWN BL
ANSI B16.47-B APICLASS 75 150 300 400 600 900 LBS
ANSI/ASME B16.36CLASS 300 400 600 900 1500 2500 LBSORIFICE
ANSI/ASME B16.48CLASS 150 300 400 600 900 1500 2500 LBSFIG.8 
SPACER AND BLANK 
SPECTACLE
AWWA C207CLASS B & D TABLE 2/3, CLASS E TABLE 4SO PL BL
EN 1092-1PN 2.5 6 10 16 25 40 63 100 160 250 320 400PL LOO BL WN SO TH
BS 4504PN 2.5 6 10 16 25 40PL WN TH BL SO
DINPN 6 10 16 25 40PL WN TH BL LOO SO
UNIPN 6 10 16 25 40PL WN TH BL LOO
SABS/SANS 1123CLASS 600 1000 1600 2500 4000 KPAWN PL TH SO BL
JIS B2220/KS5K 10K 16K 20K 30K 40KSOP/PL SOH/SO BL
GOSTPN 1 1.6 2.5 4 6.3 10PL WN BL
ASTABLE D E F HPL SO BL


GOST 12820-80 Pn 10 Flange
 
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