Types of SS Flanges
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Stainless steel flanges play a crucial role in piping systems, ensuring the secure and efficient connection of pipes. These flanges adhere to industry standards such as ASTM A182, which specifies the requirements for forged or rolled alloy and stainless steel pipe flanges, forged fittings, and valves and parts for high-temperature service. By conforming to standards like ASTM A182, stainless steel flanges guarantee the integrity and reliability of the overall piping infrastructure.
Furthermore, the utilization of stainless steel in flange manufacturing brings numerous technical advantages. Stainless steel grades like 304, 316, and 321 offer exceptional corrosion resistance, ensuring longevity and durability even in harsh environments. These materials also exhibit high tensile strength and excellent mechanical properties, meeting the demanding requirements of various industries. With precise machining and adherence to standards such as ANSI B16.5, which provides dimensional specifications for pipe flanges and flanged fittings, stainless steel flanges ensure seamless integration and optimal performance within piping systems.
Our stainless steel spectacle blind flanges, offered in various thicknesses and sizes, provide versatile solutions tailored to the needs of the oil and gas industries.
Stainless steel threaded flange specification
Standards 01
ASTM A182 / ASME SA182
Size range 02
1/2″ (15 NB) to 48″ (1200NB)
Pressure Rating 03
150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Dimensions 04
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, API-605, ASA, AWWA, Custom Drawings
Connection Type 05
Flat Face, Raised Face, RTJ, Lap Joint, Male and Female (M&F), Large and Small Tongue-and-Groove
MTC 06
EN 10204 3.2 and EN 10204 3.1, Test Certificates certifying NACE MR0175, NACE MR0103
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Moreover, stainless steel flanges undergo rigorous testing procedures to ensure compliance with industry standards and regulations. Testing methods such as hydrostatic testing, ultrasonic examination, and visual inspection guarantee the integrity and quality of the flanges. Adhering to standards such as ASME B16.47, which specifies the dimensions, tolerances, and ratings of large diameter steel flanges, further enhances the reliability and safety of stainless steel flange installations. Overall, the technical specifications and adherence to stringent standards make stainless steel flanges indispensable components in critical piping applications across various sectors.
01 How are stainless steel flanges installed?
Installing stainless steel flanges involves aligning the flange faces, inserting bolts into the bolt holes, and tightening them evenly to create a secure seal between the flange and the adjoining components. Proper alignment and bolt tightening are crucial to prevent leaks and ensure the integrity of the piping system.
02 What is the surface finish of stainless steel flanges?
Stainless steel flanges typically have a smooth surface finish, which is essential for maintaining hygiene and preventing corrosion. Common surface finishes include a standard mill finish, polished finish, or specific coatings for enhanced protection in corrosive environments.
03 Can stainless steel flanges be used in different industries?
Yes, stainless steel flanges are versatile components widely used across various industries, including oil and gas, petrochemical, chemical processing, water treatment, pharmaceuticals, food and beverage, and HVAC (heating, ventilation, and air conditioning) systems. They are suitable for both high-pressure and low-pressure applications.
04 How do I ensure the quality of stainless steel flanges?
To ensure the quality of stainless steel flanges, it is essential to source them from reputable manufacturers or suppliers who adhere to international standards and certifications. Additionally, conducting regular inspections and tests, such as visual inspections, dimensional checks, and material analysis, can help verify the quality and integrity of the flanges.
