Stainless Steel (SS) Blind Flange - ½” to 24” - Raised Face - Class 150–600 / PN16–PN40
Description
Stainless Steel (SS) Blind Flanges are used to effectively seal or terminate the end of a piping system or pressure vessel. Manufactured from premium-grade stainless steel, these flanges offer excellent resistance to corrosion, high pressure, and elevated temperatures. They are widely used in industries such as oil & gas, petrochemical, water treatment, and marine environments.
Available in nominal sizes from ½ inch to 24 inches, these blind flanges feature a Raised Face (RF) design, enhancing gasket compression and ensuring a reliable seal under pressure. Offered in pressure classes ANSI Class 150, 300, 600 and DIN PN16, PN40, they meet a wide range of operational and system requirements.
These blind flanges are produced in accordance with ANSI/ASME B16.5, DIN, and EN1092 standards, ensuring precise dimensions, accurate bolt patterns, and compatibility with global piping systems. Their robust construction, combined with corrosion resistance, makes them ideal for sealing off sections of pipe during maintenance or expansion.
Specifications:
– Flange Type: Blind Flange
– Material: Stainless Steel (ASTM A182 F304 / F316 or equivalent)
– Face Type: Raised Face (RF)
– Size Range: ½” to 24” (DN15 to DN600)
– Pressure Rating: ANSI Class 150 / 300 / 600, PN16 / PN40
– Design Standard: ANSI/ASME B16.5, DIN EN 1092-1
– Face Finish: 125–250 AARH machined raised face
– Bolt Hole Drilling: As per ANSI/ASME B16.5 or EN1092-1 flange standards
– Temperature Range: -29°C to +600°C (depending on material grade)
– Corrosion Resistance: Excellent resistance to corrosion and chemicals
– Installation: Bolted to mating flanges with gasket
– Application Use: Pipeline isolation, maintenance shutdowns, pressure testing, end-of-line sealing
– Surface Condition: Pickled, passivated, or polished finish (optional)
– Markings: Size, rating, heat number, material grade, standard compliance
– Inspection & Testing: Hydrostatic and visual inspection as per applicable standards
– Country of Origin: As specified (India, EU, etc.)
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