Blind Flanges

Product description

Blind flange is also called blind board, and its proper name is flange cover. It is a flange without holes in the middle for sealing the pipe plug. There are many types of sealing surface, such as rise face, ring joint face, large or smalltongue face and groove face, large or small male face and female face. Blind flanges are mostly used to seal the end or opening of a pipe, which is why they come without a bore. This comes in handy for inspection and pressure tests, as it allows quick access to the pipe.

Blind Flange Forming:


Blind Flange Material

Stainless Steel:

OCr18Ni9, 0Cr18Ni9Ti, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, 00Cr19Ni10, 00Cr17Ni14Mo2, ASTM A182-F304, F304L, F304H, F316, F316L, F321, F321H, F347H, F317,

Super austenitic stainless steel:

ASTM A182-904L, 317, 317L

Duplex Stee:

ASTM A182-F51, F53, F44

Special steel :

N06600, N08800, N08811

Alloy Steel:

16Mn, 12CrMo, 15Cr5Mo, Cr5Mo, 12Cr1MoV, ASTM A182-F11, F22, F91 F9 F5


ASTM A694-F42, F46, F48, F50, F52, F56, F60, F65, F70, F80

Carbon Steel :

ASTM A350-LF2, LF3 Q235A, 20#, ASTM A105

Blind Flange Standard &Size &Rate

DIN2527: DN10-DN500

ASME/ANSI B16.5: 1/2"-24" 150LB 300LB 600LB 900LB 1500LB

1/2"-12" 2500LB

ASME B16.47 SERIE A/B: 26"-28" 150LB 300LB 600LB 900LB

Stainless steel blind flangesTests and Inspections

Analytic instrument of C&S

Machine Performance Test

Chemical Composition Analysis

Permeation Test

Ultrasonic Test

Metallographic microscope Test

Intergranular Corrosion Test

Hardness Test

Flattening Test

Ferrite test

Impact Test(Low temperature, Normal temperature,-196 temperature.)

Test methods for pitting corrosion resistance

X-ray flaw detection

Magnetic particle inspection

Blind Flange Documentation Offered

Raw Material Test Report

EN10204 3.1 Test Certificate

Heat Treatment Chart

Heat Treatment Report

Quality Assurance Plan

Inspection and Test Procedure Report

Blind Flange Application

Stainless steel blind flangeuses in oil and gas pipeline

Blind flange uses in chemical industry

Alloy steel blind flange uses in plumbing

BLRF flange uses in water supply systems

Asme b16.5 blind flange uses in power plant

Nickel alloy flange uses in paper industry

Monel 400 blind flange uses in general purpose applications

Monel 800 blind flange uses in fabrication industry

254Mo blind flange uses in petroleum

C-276 blind flange uses in papermaking

Alloy 20 blind flange uses in shipbuilding

High quality blind flange uses in petrochemical

Dulex steel blind flange uses in natural gas industry

Super duplex steel blind flange uses in ocean engineering

Duplex steel 45 degree elbow uses in nuclear industry

Hastelloy raised face blind flange uses in food and beverage

Raised face blind flange uses in electrical powerplant

Ss blind flange uses in pharmacy


Your E-mail:

Send to other suppliers

Other supplier products

Equal Tee
Equal Tee Product description We are manufacturer, supplier, and exporter of equal tees, which are also understood as straight tees, these tees have a diamet...
Tube Caps
Tube Caps Product description Tube cap, also known as end cap, plug, cap, pipe cap, stuffy head, welded in the end of the pipe or installed on the outside th...
Reducing Flanges
Reducing Flanges Similar Products Product description Reducing Flanges Features Forming: forged WELDING NECK RISE FACE REDUCER FLANGE(WNRF) Reducing Flanges ...
Forged Rings
Forged Rings Product description Forged Rings Features Forming type :forging Rating: ANSI150LBS~2500LBS, DIN PN6~PN160 JIS 5K~30K, HG PN0.25~PN25 Size :15mm&mda...
Coiled Tubing
Coiled Tubing Similar Products Hydraulic Tubing Steel hydraulic tubing for sale from 2mm stainless steel pipe to 38mm stainless steel pipe. Heat Exchanger Tube...

Same products

small hardwsmall hardware parts and circular pipesare parts and circular pipes
small hardwsmall hardware parts and circular pipesare parts and circular pipes 卖方: WuhWuhan Sintec Optronics Co. Ltdan Sintec Optronics Co. Ltd Application field: Mainly suitable for high-precision hole cutting, slotting, hollowing out, and...
Wuhan Sintec Optronics Co. Ltd
Wuhan Sintec Optronics Co. Ltd 卖方: WuhWuhan Sintec Optronics Co. Ltdan Sintec Optronics Co. Ltd Wuhan Sintec Optronics Co. Ltd is a China-based supplier and fabricator of laser cutting machines...
马来西亚YDS-30精子储存KGSQ冷冻储存容器 卖方: 河南天之道生物科技有限公司 畜牧用液氮罐是属于YDS系列液氮罐的一种,是养殖业专用的经济实用型液氮罐,为长期静态储存冻精,方便外出采样而设计,更适合需要人工转移保存生物样品的用户,尤其是山区用户使用。 该系列牛精储存罐选...
6\' x 4\' x 7\' Wooden Greenhouse Walk-in Green House
6\' x 4\' x 7\' Wooden Greenhouse Walk-in Green House 卖方: Zhejiang Huaqi Information Technology Co., LTD Give your plants and vegetables somewhere to enjoy the sunshine and grow healthily, thanks to thi...
特立尼达和多巴哥YDS-16液氮精子储存罐价格KGSQ 卖方: 河南天驰仪器设备有限公司 畜牧用液氮罐是属于YDS系列液氮罐的一种,是养殖业专用的经济实用型液氮罐,为长期静态储存冻精,方便外出采样而设计,更适合需要人工转移保存生物样品的用户,尤其是山区用户使用。 该系列牛精储存罐选...