JIS Blind Flange
JIS Blind Flange
JIS Blind Flange
JIS Blind Flange

JIS Blind Flange

Jinhang Pipeline supplies JIS blind flanges manufactured in accordance with JIS B 2220 for industrial piping systems. Designed to close pipe ends and isolate pipeline sections, these flanges are suitable for applications requiring secure sealing and convenient access for inspection or maintenance. Available options include carbon steel, stainless steel, and other materials to meet project requirements.

JIS blind flanges are available in different nominal sizes, pressure ratings, and facing types according to the applicable standard and project specifications. Customization is available based on customer drawings and technical requirements. Jinhang Pipeline provides flange solutions for industrial projects, with specifications tailored to the required piping system.

Technical Specifications
Item Specification

Product Name

JIS Blind Flange

Standard

JIS B 2220

Type

Blind Flange (BL)

Nominal Pressure

5K-63K

Nominal Size

DN10-DN1500

Material

Carbon steel Rst37.2 ; s235JR;s275JR: P245GH; P250GH;A105;  

Stainless steel ASTM A182 F304/304L; F316/316L; F321; F51;      

Alloy steel ASTM A182 F11/F12/F22;

Facing Type

Flat Face (FF) or Raised Face (RF), as specified

Units

Millimeters (mm)

Customization

Available

Available Materials

Material Category

Material Grades

Carbon Steel

Rst37.2 ; s235JR;s275JR: P245GH; P250GH;A105;

Stainless Steel

ASTM A182 F304/304L; F316/316L; F321; F51;

Alloy Steel

ASTM A182 F11/F12/F22;
Manufacturing Standards

Jinhang Pipeline manufactures JIS blind flanges in accordance with JIS B 2220, covering applicable flange dimensions, pressure ratings, and connection requirements. These standards help ensure compatibility with customers’ piping systems and project specifications.

Strict quality control covers raw material selection, dimensional accuracy, bolt hole positioning, and sealing face finish. These checks help ensure reliable sealing performance, consistent product quality, and suitability for industrial piping applications.

Applications

Oil and Gas Industry: Sealing pipeline ends and isolating sections for maintenance.

Petrochemical Plants: Closing unused pipe connections in process piping systems.

Water Supply Systems: Sealing pipe ends in industrial water pipelines.

Power Generation: Isolating piping sections in power plant systems.

Chemical Processing: Closing pipeline openings in chemical transfer systems.

Industrial Piping: Providing secure closure for pipelines requiring inspection, maintenance, or future expansion.

Customization Options
Material Selection
Material Selection
International Standards
International Standards
Size and Dimensions
Size and Dimensions
Pressure Ratings
Pressure Ratings
Sealing Face Types
Sealing Face Types
Surface Treatment
Surface Treatment
Connection Types
Connection Types
Product Marking
Product Marking
Packaging Requirements
Packaging Requirements
Q:

What is a JIS blind flange?

A:

A JIS blind flange is used to seal the end of a pipeline or close a pipe opening in industrial piping systems.

Q:

Which standard applies to JIS blind flanges?

A:

JIS blind flanges are manufactured according to JIS B 2220.

Q:

What materials are available for JIS blind flanges?

A:

Available materials include carbon steel and stainless steel. Other materials can be supplied according to project requirements.

Q:

an JIS blind flanges be customized?

A:

Yes. Jinhang Pipeline can customize JIS blind flanges based on customer-provided drawings, dimensions, materials, and technical specifications.

Q:

Where are JIS blind flanges commonly used?

A:

They are used in oil and gas, petrochemical, water supply, power generation, and other industrial piping systems.

DO YOU NEED A CUSTOMIZED PLAN?

Send us your drawings or requirements and get a fast quotation today.

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