Blind Flanges
Blind Flanges
Blind Flanges
Blind Flanges

Blind Flanges

Name: Blind Flanges
Brand: GNEE
SKU: 240191150

Blind flanges don’t have a center hole, and are used to blind and seal a pipeline, A pressure vessel, and block the inflow of the fluid. Blind flanges allow easy to access the pipelines, as they can be fluently unbolted to let the operator execute conditioning inside the terminal end of the pipe.

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As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.

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Tel: +8615824687445

Product Introduction

A blind flange is a solid steel piece flange with the interior diameter, and it is primarily designed to cap off a line. These Flanges offer different features such as high tensile strength and toughness as a result of rugged construction. Also, it offers excellent thermal properties, including heat resistance, high load-bearing capacity, and durability. These Flanges are resistant to general corrosion as well as pitting and oxidation. In addition, it opposes crevice corrosion and stress corrosion cracking. This blind flange is bolted rather than welded in place.

BLIND FLANGE STANDARD SPECIFICATIONS

Product Name	Blind Flanges \| BLFF Flange \| BLRF Flange
Size Range	1/2″ (15 NB) to 48″ (1200NB)
Class / Pressure Rating	150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Standards / Dimensions	ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, BS, GOST, MSS SP-44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605
Flange Face Types / Connection Type	Flat Face Flange (FF), Raised Face Flange (RF), Ring Joint Flange (RTJ), Lap Joint Flange, Male and Female Flange (M&F), Large and Small Tongue-and-Groove Flange (T&G)
Dimensions	ANSI B16.5, ANSI B16.47 Series A & B, ASA, API-605, MSS SP44, AWWA, Custom Drawings
Custom Design	As per your drawing \| AS, BS, ANSI, DIN, JIS \| Equal and Reducing Configurations
Material Test Certificates (MTC)	As per EN 10204 3.2 and EN 10204 3.1, Test Certificates certifying NACE MR0175, NACE MR0103
Test Certificates	100% Radiography Test Report, EN 10204/3.1B, Raw Materials Certificate, Third Party Inspection Report, etc
Tests	Hydrostatic testing machine, Direct-reading Spectrograph, UI trasonic flaw detector, X-ray detector, Magnetic particle detector
Equipment / Machines	Press machine, Pushing Machine, Bending machine, Sand-blasting machine, electric bevelling machine, etc.
Coating	Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized
Origin	China
Applications/Usage	Offshore, Oil Field, Shipbuilding, Water System, Natural Gas, Pipe Projects, Electric Power, etc.

Incoloy Alloy Blind Flange

Grade specifications of Blind Flanges

Stainless Steel Blind Flanges :
ASTM A182, F304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L, SMO 254

Duplex & Super Duplex Steel Blind Flanges :
ASTM / ASME A/SA 182 F44, F45, F51, F53, F55, F60, F61 / Duplex 2205 – UNS S31803, UNS S32205 / Super Duplex 2507 – UNS S32750, UNS S32760

Carbon Steel Blind Flanges :
ASTM/ ASME A105, ASTM/ ASME A350 LF2, ASTM A694 & ASME SA694 F42 / F46 / F52 / F56 / F60 / F65 / F70

Alloy Steel Blind Flanges :
ASTM / ASME A182 F5 / F9 / F11 / F12 / F22 / F91

Inconel Blind Flanges : ASTM B564, Inconel 600 – UNS No. N06600, Inconel 601 – UNS No. N06601, Inconel 625 -UNS No. N06625, Inconel 715, Inconel 718 – UNS No. N07718, Incoloy 800 / 800H /800HT – (UNS No. N08800 / N08810 / N08811), Incoloy 825 – UNS No. N08825, Incoloy 925 – UNS No. N09925

Hastelloy Blind Flanges :ASTM B/SB564, Hastelloy B2 – UNS No. N10665, Hastelloy B3 – UNS No. N010675, Hastelloy C4 – UNS No. N06455, Hastelloy C22 – UNS No. N06022, Hastelloy C276 – UNS No. N10276, Hastelloy C2000 – UNS No. N06200, Hastelloy X – UNS No. N06002

Nickel Blind Flanges : Nickel 200 – UNS No. N02200 , Nickel 201 – UNS No. N02201

Monel Blind Flanges :ASME SB 564, Monel 400 – UNS No. N04400, Monel K500 – UNS No. N05500

Titanium Blind Flanges :ASTM B381 / ASME SB381, Grade 2 – UNS No. R50400, Grade 5 – UNS No. R56400

Alloy 20 Blind Flanges :ASTM B462 / ASME SB462 – UNS No. N08020

Processing Steps

Hastelloy Alloy Blind Flange

Products Testing

Monel Alloy Blind Flange

Packaging&Shipping

Inconel Alloy Blind Flange

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