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Yuhong Group Co.,Ltd

  • China,Ningbo ,Zhejiang
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China ASTM A182 F53 Super Duplex Steel Spectacle Figure Eight Blind Flange B16.48
China ASTM A182 F53 Super Duplex Steel Spectacle Figure Eight Blind Flange B16.48

  1. China ASTM A182 F53 Super Duplex Steel Spectacle Figure Eight Blind Flange B16.48
  2. China ASTM A182 F53 Super Duplex Steel Spectacle Figure Eight Blind Flange B16.48
  3. China ASTM A182 F53 Super Duplex Steel Spectacle Figure Eight Blind Flange B16.48

ASTM A182 F53 Super Duplex Steel Spectacle Figure Eight Blind Flange B16.48

  1. MOQ: 1PC
  2. Price:
  3. Get Latest Price
Payment Terms L/C, T/T
Delivery Time 7DAYS
Packaging Details PLYWOOD CASE,BUNDLE,PALLET
TYPE SPECTACLE BLIND,FIGURE EIGHT BLIND FLANGE
MATERIAL ASTM A 105, ASTM A 181, ASTM A 182, GR F1, F11, F22, F5, F9, F91
SURFACE Black Painting Or Other Color Coating
PACKAGE PLYWOOD CASE,PALLET
STANDARD B16.5,B16.47
PRESSURE 150#,300#,600#...
Brand Name YUHONG
Model Number ASTM A105, ASTM A 181, ASTM A 182, GR F1, F11, F22, F5, F9, F91
Certification API,PED,ABS
Place of Origin CHINA

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Product Specification

Payment Terms L/C, T/T Delivery Time 7DAYS
Packaging Details PLYWOOD CASE,BUNDLE,PALLET TYPE SPECTACLE BLIND,FIGURE EIGHT BLIND FLANGE
MATERIAL ASTM A 105, ASTM A 181, ASTM A 182, GR F1, F11, F22, F5, F9, F91 SURFACE Black Painting Or Other Color Coating
PACKAGE PLYWOOD CASE,PALLET STANDARD B16.5,B16.47
PRESSURE 150#,300#,600#... Brand Name YUHONG
Model Number ASTM A105, ASTM A 181, ASTM A 182, GR F1, F11, F22, F5, F9, F91 Certification API,PED,ABS
Place of Origin CHINA
High Light B16.48 Spectacle Figure Eight Blind FlangeASTM A182 F53 Steel Flange

ASTM A182 F53 Super Duplex Steel Spectacle Figure Eight Blind Flange B16.48

 

 

A Spectacle Figure Eight Blind Flange (commonly called a Spectacle Blind Flange) per ASME B16.48 is a piping component used to either fully open or fully close a pipeline. It consists of two discs connected by a small section of metal—one solid plate (to block flow) and one with a hole (to allow flow). The flange is typically rotated to switch between open and closed positions.

 

Key Features:

  • Standard: ASME B16.48
  • Material: Carbon steel, stainless steel, alloy steel, or other specified materials
  • Pressure Ratings: 150#, 300#, 600#, 900#, 1500#, and 2500#
  • Sizes: Typically ranges from ½” to 24”
  • Application: Used in pipelines to isolate sections for maintenance, testing, or system modifications

 

A Spectacle Blind Flange is a safety device used in piping systems to either allow or block flow.

It consists of two metal discs connected by a bar:

  • One side is a solid blind (to stop flow).
  • The other side is a ring spacer (to allow flow).

It is typically rotated between these two positions during maintenance or system isolation.

Materials: Carbon steel (ASTM A105), stainless steel (ASTM A182 F316/F304), alloy steel, duplex, and special alloys

 

 

Applications:

  • Temporary or permanent pipeline isolation
  • Shutdowns, maintenance, or hydro testing
  • Used in industries like oil & gas, petrochemical, and power plants

 

Test Certificate

Manufacturer Test Certificate as per EN 10204 / 3.1B

Company Details

Bronze Gleitlager

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 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other

  • Year Established:

    2007

  • Total Annual:

    50M-70M

  • Employee Number:

    50~850

  • Ecer Certification:

    Verified Supplier

  YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR,  PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...   YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR,  PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...

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  • Yuhong Group Co.,Ltd
  • 20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
  • https://www.steelseamlesspipe.com/

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