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ASTM A182 F316L Stainless Steel Spectacle Blind Flange / Figure 8 Flanges

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ASTM A182 F316L Stainless Steel Spectacle Blind Flange / Figure 8 Flanges

Brand Name : YUHONG

Model Number : ASTM A182 F316L Spetacle Blind Flange

Certification : API , ABS, DNV, GL , LR, NK.

Place of Origin : CHINA

MOQ : 1PC

Payment Terms : L/C, T/T

Delivery Time : 7 DAYS

Packaging Details : Plywood case, Pallet

Standard : ASTM A182 / ASME SA182

Material : Stainless Steel 304 / 304L / 316L / 310S / 321 etc.

Type : Threaded Flange,Slip On Flange,Socket Weld Flange,Weld Neck Flange,LAP Joint Flange, Blind Flange

Pressure : 150#, 300#, 600#, 900#, 1500# 2500# etc.

Sealing Type : Flat Face, Raised Face, Ring Joint

Dimension : ASME B16.48, B16.47 Series A or Series B

Process : Forged,Drilling/Bending/Stamping,Casting,sand Casting&CNC Machining,Forging+machining+heating Treatment

Inspection : Mechinical Property Inspection,Factory Or Third Party Assigned,100% Inspection

Application : Natural gas,chemical,petroleum,ship building,marine,paper making, metallurgy, electric, power, boiler

High Light : ASTM A182 F316L Forged Flange, Stainless Steel Spetacle Blind Flange

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ASTM A182 F316L Stainless Steel Spectacle Blind Flange / Figure 8 Flanges


A spectacle flange / figure-8 blank, is a ety device used to isolate a section of line or piece of equipment when the line or equipment needs to be inspected or removed from service. It is different than a valve in that the blind is a permanent or long term isolation device. It is machined from a single piece of metal that is cut to match the pipe size, fit between two pipe flanges and requires an additional gasket when it is installed. Also, the bolts will need to be lengthened depending on what piping class and size blind is used. The thickness of the spectacle blind is specified based on the line pressure and pipe size.


One end of the blind will have an opening to allow flow through the pipe during operation and the other end is solid to block flow during maintenance. They are generally installed as a permanent device to separate process piping systems. is essentially a simplistic valve which fits in the line between two flanges and is bolted in place. One side of the Spectacle Blind is open (spacer) and the other side of the Spectacle Blind is blanked (blind or spade).

Equivalent Grades

STANDARDWERKSTOFF NR.UNSJISBSGOSTAFNOREN
SS 316L1.4404 / 1.4435S31603SUS 316L316S11 / 316S1303Ch17N14M3 / 03Ch17N14M2Z3CND17‐11‐02 / Z3CND18‐14‐03X2CrNiMo17-12-2 / X2CrNiMo18-14-3


Product Details

  • Flat Face Machined to Center (used with raised face or flat face flanges)
  • Mill Finish (Not Machined)
  • Female or Male Ring Type Joint
  • Materials of Construction are Carbon Steel and Alloys
  • Special Dimensions Available upon request
  • 24″ NPS and smaller made to ASME B16.48
  • Large Diameters > 24″ NPS to match ASME B16.47 Series (A) Flanges
  • Large Diameters > 24″ NPS to match ASME B16.47 Series (B) Flanges



Forged and Plate Flanges

ProductsSize
ASTM A182 SS 316L Slip-On FlangesASTM A182 SS 316L Threaded FlangesSizes 1/8″ – 36″
Raised Face or Flat Face
ASTM A182 SS 316L Weld Neck FlangesASTM A182 SS 316L Socket Weld Flanges
ASTM A182 SS 316L Blind FlangesASTM A182 SS 316L Reducing Flanges
ASTM A182 SS 316L Lap Joint FlangesASTM A182 SS 316L Plate Flanges
ASTM A182 SS 316L Orifice FlangesASTM A182 SS 316L Forged Flanges
ASTM A182 SS 316L Ring Type Joint FlangesASTM A182 SS 316L Square Flanges



SS 316L Flange Standards / Types And Pressure Class

ASME/ANSI B 16.5Welding Neck Flange, Slip on Flange, Blind Flange, High Hub Blind Flange, Socket Weld Flange, Lap Joint Flange, Threaded Flange, Ring Type Joint Flange
PRESSURE CLASS150, 300, 400, 600, 900, 1500, 2500
ASME/ANSI B 16.47Welding Neck Flange, Blind Flange [Series A & B]
PRESSURE CLASS75, 150, 300, 400, 600, 900
ASME/ANSI B 16.36Welding Neck Flange, Slip on Flange, Threaded Flange
PRESSURE CLASS300, 400, 600, 900, 1500, 2500
BS 4504 SEC 3.1Welding Neck Flange, Hubbed Slip on Flange, Hubbed Threaded Flange, Lapped Pipe End Flange, Plate Flange, Loose Plate Flange, Loose Plate With Weld Neck Flange, Blank Flange
PRESSURE CLASSPN 2.5 TO PN 40
BS 4504[PART 1]Welding Neck Flange, Hubbed Slip-On Hubbed Threaded, Plate Flange, Loose Plate With Weld On Plate Collar, Blank Flange
PRESSURE CLASSPN 2.5 TO PN 400
BS 1560 BOSSWelding Neck Flange, Socket Welding Flange, Slip-On Flange, Blind Flange, Screwed Boss Flange, Lapped Flange
PRESSURE CLASS150, 300, 400, 600, 900, 1500, 2500
BS10Welding Neck Flange, Plate Slip-On Flange, Screwed Boss Flange, Slip-On Boss Flange, Blind Flange
TABLED, E, F, H
DIN FLANGESDIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673
PRESSURE CLASSPN 6 TO PN 100



Application
Natural gas,chemical,petroleum,ship building,marine,paper making, metallurgy, electric, power, boiler , etc.

It is used usually for maintenance when it is required to isolate a section of pipe or isolate a device. Because this is a semi-permanent isolation it is very e and ety is often the mentality behind the use of a Spectacle Blind in maintenance operations.


ASTM A182 F316L Stainless Steel Spectacle Blind Flange / Figure 8 Flanges


Product Tags:

F316L Stainless Steel Spectacle Flange

      

Figure 8 Blind Flange

      

Forged Blind Flange

      
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