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Spectacle Blind Stainless Steel Flange ASME B16.48 F304L

Categories Stainless Steel Flanges
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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Spectacle Blind Stainless Steel Flange ASME B16.48 F304L

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


Size1/2" (15 NB) to 24" (600NB)
Class150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
Flange Face TypeRaised Face (RF), Ring Type Joint (RTJ)
Surface treatmentAntirust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized
MaterialStainless Steel
Manufacturing processCutting, Heat treatment, Die Forging/Free Forging, CNC Machining
Manufacturing StandardsASME B16.48-2010,API 590-1993, HG/T 21547-2016
Stainless steelASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L

Chemical Composition


ElementGrade 304L SS
Carbon0.03 Max
Chromium18.00-20.00
Manganese2.00 Max
Nickel8.00-12.00
Nitrogen0.10 Max
Phosphorus0.045 Max
Silicon0.75 Max
Sulfur0.030 Max
IronBalance

Mechanical Properties


GradeTensile Hardness
Strength
(MPa)
min
Yield Strength
0.2% Proof
(MPa)
min
Elongation
(% in
50mm)
min
Hardness
Rockwell
B (HR B)
max
Brinell
(HB)
max
F304L4851704092201

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



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