Blind Flanges Supplier Astm A105, A350 Lf2, A182 F304/f304l, F316/f316l, F11, F22, Duplex & Super Duplex Grade

Name: Blind Flanges Supplier Astm A105, A350 Lf2, A182 F304/f304l, F316/f316l, F11, F22, Duplex & Super Duplex Grade
Brand: Trimac Piping Solutions
Availability: InStock
Rating: 5 (12 reviews)

Specification Details
Flanges Types	Slip On, Long Weld Neck, Lap Joint, Weld Neck, Threaded, Blind, Companion
Class	600 Lbs, 300 Lbs, 16, 40, 64, 10, 25, 160, 100, 1500 Lbs, 900 Lbs, 2500 Lbs Asa 150, Asa 300, 150 Lbs, Pn 6
Size	1/2″ (15 Nb), 48″ (1200nb) Dn10~dn5000
Type	Small Tongue, Groove, Large Male Female (lmf), Raised Face (rf), Flat Face (ff), Small Male Female (smf), Ring Type Joint (rtj), Lap Joint Face (ljf), Large Tongue & Groove

Leading Blind Flange Manufacturer in India Offering Carbon Steel, Alloy Steel & Stainless Steel Blind Flanges in ASTM A105, A350 LF2, A182 F304/F304L, F316/F316L, F11, F22, Duplex & Super Duplex Grade

Trimac Piping Solutions is a leading blind flanges manufacturer, providing high-quality solutions for sealing pipe ends in various industries. Designed for high-pressure and high-temperature applications, these flanges ensure secure closure, preventing leaks and maintaining system integrity. Manufactured using premium materials such as stainless steel, carbon steel, and alloy steel, they offer excellent durability and corrosion resistance. With precise engineering and strict adherence to international standards, these flanges are ideal for industries like oil & gas, petrochemicals, power plants, and water treatment facilities. Engineered for reliability, We ensures that its blind flanges undergo rigorous testing for strength and performance. The company provides customised solutions to meet specific client needs, offering various sizes, pressure ratings, and material options. As a trusted blind flanges supplier in India, it guarantees high-performance products that enhance the safety and efficiency of piping systems. These flanges are essential for maintenance and system isolation, providing long-lasting durability in demanding environments.

Grade Table for Blind Flanges Suppliers

Material Type	ASTM / ASME Grade	Description / Application
Carbon Steel	ASTM A105	Standard grade for high-temperature and pressure piping systems
Carbon Steel	ASTM A350 LF2	Suitable for low-temperature service with good impact resistance
Carbon Steel	ASTM A694 F42 / F46 / F52	Used in high-pressure transmission pipelines
Alloy Steel	ASTM A182 F11	Chromium-molybdenum alloy for elevated temperature services
Alloy Steel	ASTM A182 F22	Higher chromium content for high-pressure and high-temperature applications
Stainless Steel	ASTM A182 F304 / F304L	General corrosion resistance for chemical and food processing
Stainless Steel	ASTM A182 F316 / F316L	Enhanced corrosion resistance for marine and chemical environments
Duplex Stainless Steel	ASTM A182 F51	High strength with excellent resistance to stress corrosion cracking
Super Duplex Stainless Steel	ASTM A182 F53 / F55	Extreme strength and corrosion resistance for offshore applications
Nickel Alloy	ASTM B564 Inconel 600 / 625	High-temperature and corrosive environments
Nickel Alloy	ASTM B564 Hastelloy C276	Severe chemical and acidic service conditions

Blind flanges are solid flanges without a bore that are specifically designed to seal the ends of pipelines, valves, or pressure vessels while maintaining optimum safety and reliability. They are widely employed in industries that demand frequent inspection, pressure testing, or flow isolation on a temporary basis. Blind flanges aid to avoid leakage, safeguard downstream equipment, and offer easy access for future system expansion or change without having to dismantle the entire pipeline.

Manufactured in a wide range of materials such as carbon steel, alloy steel, stainless steel, and duplex steel, blind flanges are suitable for both high-pressure and extreme temperature applications. Their robust construction ensures excellent resistance to mechanical stress, corrosion, and deformation over long service periods. Available in various pressure classes and international standards, blind flanges offer a dependable solution for critical piping systems across oil & gas, petrochemical, power, and process industries.

Blind Flange Weight Chart In KG, MM, PDF – ASME B16.5

Class 150 Blind Flange Weight Chart in KG, INCH

Nominal Size (NB)	Size (Inch)	Approx. Weight (kg)
15	½″	1.5
20	¾″	2.0
25	1″	2.5
32	1¼″	3.8
40	1½″	4.5
50	2″	6.0
65	2½″	8.5
80	3″	10.5
100	4″	16.0
150	6″	28.0
200	8″	45.0
250	10″	65.0
300	12″	95.0
400	16″	165.0
500	20″	255.0
600	24″	365.0

Class 300 Blind Flange Weight Chart in KG

Nominal Size (NB)	Size (Inch)	Approx. Weight (kg)
25	1″	4.5
32	1¼″	6.0
40	1½″	7.5
50	2″	10.0
65	2½″	14.0
80	3″	18.0
100	4″	30.0
150	6″	55.0
200	8″	85.0
250	10″	125.0
300	12″	185.0
400	16″	320.0
500	20″	480.0
600	24″	690.0

Client Project Summary of Blind Flange Exporter in India

The client's project centered on the delivery of high-quality Blind Flanges for use in essential industrial piping systems that operate under high pressure and temperature conditions. These blind flanges were made with high-quality carbon steel, alloy steel, and stainless steel materials in accordance with ASTM and ASME requirements to ensure exceptional strength, dimensional precision, and long-term performance. Strict quality control processes were implemented at all stages of production, including raw material inspection, dimensional verification, pressure rating checks, and mechanical property testing. The project was completed on time and on budget, providing safe, dependable, and leak-proof closure solutions for critical industrial processes.

Product Supplied	Quantity	Cities (India)
ASTM A105 Blind Flanges for Pipeline End Closure	210 Pieces	Surat
Blind Flanges for High-Pressure Industrial Piping Systems	285 Pieces	Hyderabad
Alloy Steel Blind Flanges for Heavy Engineering Applications	240 Pieces	Coimbatore
Heat-Treated Blind Flanges for Refinery & Petrochemical Use	190 Pieces	Indore