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Spectacle Blind Stainless Steel Flange ASME B16.48 F304L

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Spectacle Blind Stainless Steel Flange ASME B16.48 F304L

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Brand Name :Zheheng
Model Number :Spectacle Blind Flange
Certification :ISO9001,PED
Place of Origin :Wenzhou,China
MOQ :MOQ500kg
Payment Terms :L/C, D/P, D/A, T/T, Western Union, MoneyGram
Delivery Time :7-15 working days after receiving payment
Packaging Details :In wooded cases or pallets,or as for clients requirement
Keyword :Stainless steel spectacle blind flange
Material :F304L
Certificate :ISO9001
Application :Pipe lines connect
Price term :FOB,CFR,CIF,EXW,ETC
Flange type :WN/SO
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Overview


A spectacle flange is a specialty flange made of two metal discs attached in the middle by a small section of steel. Spectable flanges get their name because they look like a pair of reading glasses, or spectacles. Spectacle flanges, also known as spectacle blind flanges, are most commonly used on piping systems that need to be separated regularly or where the flow through the systems is regularly stopped. One end of the spectacle flange is solid, while the other end has a hole in the center. The spectacle flange can be rotated to place either the solid or hollow end within the pipe system, thereby opening or closing the flow.

Advantages of Spectacle Flanges


Spectacle flanges require no welding for installation
Spectacle flanges Flange have a wide range of pressure tolerances

Spectacle Blind Stainless Steel Flange specification


Size 1/2" (15 NB) to 24" (600NB)
Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
Flange Face Type Raised Face (RF), Ring Type Joint (RTJ)
Surface treatment Antirust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized
Material Stainless Steel
Manufacturing process Cutting, Heat treatment, Die Forging/Free Forging, CNC Machining
Manufacturing Standards ASME B16.48-2010,API 590-1993, HG/T 21547-2016
Stainless steel ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L

Chemical Composition


Element Grade 304L SS
Carbon 0.03 Max
Chromium 18.00-20.00
Manganese 2.00 Max
Nickel 8.00-12.00
Nitrogen 0.10 Max
Phosphorus 0.045 Max
Silicon 0.75 Max
Sulfur 0.030 Max
Iron Balance

Mechanical Properties


Grade Tensile Hardness
Strength
(MPa)
min
Yield Strength
0.2% Proof
(MPa)
min
Elongation
(% in
50mm)
min
Hardness
Rockwell
B (HR B)
max
Brinell
(HB)
max
F304L 485 170 40 92 201

Test


Chemical Component Analysis

Mechanical Properties

Technical Properties

Exterior Size Inspection

hydraulic testing

X-ray Test.

Product package


1.plastic caps plugged at flange face type

2..Plywooden case package,wood pallet package

The following are the five most important benefits of The following are the five most important benefits of flanges:


Easy assembly in tight spaces where wrenches may not have clearance if traditional flange fittings are used. With moderate torque, they’re easier to put together.
In hard-to-reach areas where flexibility is required, adapters in the hose line, pipe, or tube can be removed.
Pipe connections, tubes, or large hose links with high pressure, vibration, or shock pressures that could damage traditional large hydraulic fittings more easily.
In rigid lines such as metal tubes or continuous pipes, making connections allows for easy maintenance.
In demanding hydraulic applications, reduce the chance of components becoming loose.

Package


Spectacle Blind Stainless Steel Flange ASME  B16.48  F304L

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