Spectacle Blind Stainless Steel Flange ASME B16.48 F304L
Brand Name:Zheheng
Certification:ISO9001,PED
Model Number:Spectacle Blind Flange
Minimum Order Quantity:MOQ500kg
Delivery Time:7-15 working days after receiving payment
Payment Terms:L/C, D/P, D/A, T/T, Western Union, MoneyGram
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Wenzhou Zhejiang China
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Product Details
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.
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Spectacle Blind Stainless Steel Flange ASME B16.48 F304L
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