Blind Flanges Exporter In India – Astm A105, A350 Lf2, A694 F52/f60/f65/f70, A182 F304/304l/316/316l/321/347, F51/f53/f55 Duplex & Super Duplex, Alloy Steel & Carbon Steel Grades

Name: Blind Flanges Exporter In India – Astm A105, A350 Lf2, A694 F52/f60/f65/f70, A182 F304/304l/316/316l/321/347, F51/f53/f55 Duplex & Super Duplex, Alloy Steel & Carbon Steel Grades
Brand: Metafit Piping Industries
Availability: InStock
Rating: 4 (1 reviews)

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

Blind Flanges Manufacturer in India – Carbon Steel ASTM A105/A350 LF2/A694, Stainless Steel A182 F304/316/321/347/904L, Alloy Steel F5/F9/F11/F22

Metafit Piping Industries is a renowned Blind Flanges manufacturer in India, specializing in high-performance flanges designed for sealing the ends of piping systems. These flanges effectively block flow in pipelines, ensuring safety and efficiency in high-pressure applications. Our Blind Flanges, which are made with premium-grade materials and precision engineering, offer remarkable corrosion resistance and durability, making them appropriate for use in petrochemical, maritime, and oil and gas industries. They provide a safe and leak-proof closure for vital pipeline systems because of their sturdy construction, which does away with the necessity for welding. As a trusted Blind Flanges supplier in India, we offer flanges in various sizes, materials, and pressure ratings to meet diverse industrial requirements. Our flanges undergo extensive testing to ensure their strength and dependability, whether they are used for temporary or permanent sealing. They are made of alloy steel, carbon steel, and stainless steel and are resistant to high pressures and temperatures, guaranteeing long-term performance. We place a high value on client satisfaction by providing premium Blind Flanges along with timely service and affordable prices.

Blind Flanges – Material Grade Table

Material Category	ASTM Standard	Grade / Specification	Common Applications
Carbon Steel	ASTM A105 / A105N	A105, A105N	Oil & Gas, Refineries, Petrochemical
	ASTM A350	LF2 CL1 / CL2	Low Temperature Services
	ASTM A694	F42, F46, F52, F56, F60, F65, F70	High Pressure Transmission
Stainless Steel	ASTM A182	F304, F304L	Food, Chemical Processing
	ASTM A182	F316, F316L	Marine, Corrosive Environment
	ASTM A182	F321, F347	High Temperature Applications
	ASTM A182	F317L, F904L	Severe Corrosion Resistance
Alloy Steel	ASTM A182	F5, F9	Power Plants
	ASTM A182	F11, F22	High Temperature & Pressure
	ASTM A182	F91	Boiler & Heat Exchanger
Duplex Steel	ASTM A182	F51 (UNS S31803 / S32205)	Offshore & Marine
Super Duplex Steel	ASTM A182	F53 (UNS S32750), F55 (UNS S32760)	High Chloride Environment
Nickel Alloy	ASTM B564	Inconel 600, 625	High Heat Applications
	ASTM B564	Monel 400	Marine & Chemical
	ASTM B564	Hastelloy C276	Highly Corrosive Media
Other Materials	ASTM B381	Titanium Grade 2, Grade 5	Aerospace & Marine

Blind Flanges are solid circular plates used to seal the end of piping systems, pressure vessel openings, and valve connections. Designed without a bore, these flanges provide a secure closure that can withstand high pressure and temperature conditions. Manufactured in materials such as carbon steel, stainless steel, alloy steel, duplex, and super duplex steel, they offer excellent strength, corrosion resistance, and durability. Blind flanges are commonly produced in accordance with ASME B16.5 and B16.47 standards and are available in various pressure ratings including Class 150 to 2500, making them suitable for oil & gas, petrochemical, power generation, and marine applications.
As a trusted Blind Flanges Exporter and Blind Flanges Supplier, companies ensure strict quality control, dimensional accuracy, and compliance with international standards. A leading Blind Flanges Exporter in India provides customized solutions in different sizes, grades, and coatings to meet specific industrial requirements. These flanges are widely used for pipeline maintenance, pressure testing, and future system expansion, offering a reliable and cost-effective sealing solution for critical operations.

Blind Flanges Weight Chart in KG, MM, PDF – Class 150 (RF)

NPS (Inch)	Outside Diameter (mm)	Thickness (mm)	Approx Weight (Kg)
½"	90	11	0.7
¾"	100	12	1.0
1"	110	13	1.4
1½"	125	14	2.0
2"	150	16	3.2
2½"	180	18	5.0
3"	190	19	6.2
4"	230	24	11.0
5"	255	26	15.5
6"	280	29	20.8
8"	345	35	36.5
10"	405	39	58.0
12"	485	45	95.0
14"	535	48	125.0
16"	595	52	170.0
18"	635	55	210.0
20"	700	58	280.0
24"	815	64	420.0

The above Blind Flanges weight chart provides approximate weights for ASME B16.5 Class 150 raised face blind flanges across various nominal pipe sizes ranging from ½” to 24”. The weight increases progressively with size due to larger outside diameters and thickness requirements to withstand pressure conditions. These values serve as a general reference for planning, estimation, transportation, and structural load calculations. Actual weights may vary slightly depending on the material grade such as carbon steel, stainless steel, alloy steel, or duplex steel, as well as specific manufacturing tolerances and pressure ratings.