Find Spectacle Blind Flange, Duplex Stainless Steel Spectacle Blind, F51/F53/F60 Spectacle Blind Flange on Industry Directory, Reliable Manufacturer/Supplier/Factory from China.

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Duplex Stainless Steel Spectacle Blind Flange
  • Duplex Stainless Steel Spectacle Blind Flange

Duplex Stainless Steel Spectacle Blind Flange

Unit Price: 10 USD
Min. Order: 100 Piece/Pieces

Basic Info

Model No.: Spectacle Blind Flange

Product Description

Duplex Stainless Steel Spectacle Blind Flange

Generally, spectacle blinds are in the open position so that fluid can pass through the pipe. When the spectacle blind is in the closed position, the pipeline is closed and the fluid is blocked.The maintenance of the piping system is one reason why the spectacle blind rotates to the closed position. There is a drill hole in the connecting web of the spectacle blind. Loosen and disassemble some bolts. The spectacle blind can rotate between flanges. After replacing the gasket, the bolts can be reassembled and tightened.


Size:DN10-DN3000,1/2"-120"

Standard:ASME B16.48,HG/T 21547

Nominal pressure: 150CL-9000CL, PN10-PN160

Material: UNS S31803(F51), S32205(F60), S32750(F53), S32760(F55)

Field of application: papermaking, shipbuilding, petroleum, chemical industry, electric power, natural gas, water treatment, nuclear energy, construction and other related fields.


Qq 20220722160536

Product Production Flow Chart

 Product production flow chart

Welcome to our website www.jndia.com.cn to know more about the company and products!

Zhejiang Jndia Pipeline Industry Co., Ltd.

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Zhejiang Jndia Pipeline Industry Co., Ltd. is founded in 2008 ,we are a specialized manufacture of pipe fittings and flanges.Our products includes elbows, tees, reducers, stub ends ,flanges, pipe caps and etc.We can manufacture products of various materials, especially special steel (such as nickel base alloy steel, Hastelloy steel, super austenitic steel, super dual phase steel, etc.) which has reached a very mature technical level and has been in a leading position in the industry.

The company has achieved remarkable achievements in various fields of qualification certification and global sales market, established ISO9001 Quality Management System, ISO14001 Environmental Management System, ISO45001 Occupational Health and Safety Management System, GB/T 29490 Intellectual Property Management System Certification, and obtained TS Special Equipment Pressure Pipe Component Manufacturing License, CE-PED EU Pressure Directive Certification, AD2000 Technical Specification Certification of German pressure vessel and the certification of marine products factory of ABS American classification society, BV French classification society, CCS China Classification Society, DNV-GL Norway German Lloyd classification society , LR Lloyd classification society in the product field. The products are widely used in petroleum, chemical industry, shipbuilding, paper making, pharmaceutical, offshore drilling platform, nuclear power, national defense and military industry, and are highly praised by customers.

Zhejiang JNDIA Pipeline Industry Co., Ltd. has become a multi-functional enterprise with research type, manufacturing type, sales type and service type. The company puts forward the business philosophy of "Make every Pipe Fitting Flange with heart" and implements the development. It takes "To be the best supplier of pipe fittings and flanges in the world" as the enterprise vision to improve the competitiveness of the enterprise.

Company Info
  • Company Name: Zhejiang Jndia Pipeline Industry Co., Ltd.
  • Representative: Wang Zhonghua
  • Product/Service: Pipe Fitting , Stainless Steel FLange , Stainless Steel Elbow , Stainless Steel Tee , Pipe Cap , Steel Forged Flanges
  • Capital (Million US $): 15,5800,000RMB
  • Year Established: 2008
  • Total Annual Sales Volume (Million US $): US$50 Million - US$100 Million
  • Export Percentage: 41% - 50%
  • Total Annual Purchase Volume (Million US $): Below US$1 Million
  • No. of Production Lines: 4
  • No. of R&D Staff: 51 -60 People
  • No. of QC Staff: 61 -70 People
  • Factory Size (Sq.meters): 30,000-50,000 square meters
  • Factory Location: No.366, Binhai 6th Avenue, Economic & Technology Developing Zone
  • Contact Person: Ms. Xiao
  • Tel: +86-577-85826161
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