High Hub Blind Flange – Fittinco India Private Limited

Fittinco India Private Limited, based in Ahmedabad, is a leading High Hub Blind Flange Manufacturer and supplier, specializing in premium pipe fittings, forged fittings, flanges, and pre-fabricated fittings. With decades of expertise in the piping industry, we offer high-quality High Hub Blind Flange products that are engineered to withstand high-pressure, high-temperature, and corrosive environments. As a trusted High Hub Blind Flange Supplier, Stockist, and exporter, we cater to both domestic and international clients, providing ready stock solutions and customized orders.

Introduction to High Hub Blind Flange

A High Hub Blind Flange is a type of flange used to seal the end of a pipeline, valve, or equipment nozzle, preventing the flow of fluid or gas. Unlike a regular blind flange, the high hub design provides additional thickness and strength, making it suitable for high-pressure applications. Pipe High Hub Blind Flange products are widely used in the oil and gas, petrochemical, power, and chemical industries where safety and reliability are critical.

Flanges – Material Grades & Specifications

Material Type	Grade / Alloy Name	ASTM / ASME Spec	UNS No.	EN / DIN	JIS	SAE / AMS
Carbon Steel	CS Forged Flange	A105 / A105N	K03504	1.0460 / P250GH	S25C	SAE 1020
	Alloy CS Flange	A182 F11	K21590	1.7335	STPA22	SAE 4140
Alloy Steel	1.25Cr–0.5Mo / 2.25Cr–1Mo / F22	A182 F5 / F9 / F22	K11572 / K90941	1.7383 / 1.4903	STPA23	SAE 4140
Stainless Steel	SS 304 / 304L	A182 F304 / F304L	S30403	1.4307	SUS304L	SAE 30304L
	SS 316 / 316L	A182 F316 / F316L	S31603	1.4404	SUS316L	SAE 30316L
	SS 904L	A182 F904L	N08904	1.4539	-	-
	254 SMO	A182 F254SMO	S31254	1.4547	-	-
Duplex / Super Duplex	Duplex 2205	A182 F321 / S32205	S32205	1.4462	SUS329J3L	SAE J934
	Super Duplex 2507	A182 S32750	S32750	1.441	SUS329J4L	SAE J934
High Nickel Alloys	Monel 400	B564 / B366	N04400	2.436	-	AMS 4544
	Monel K500	B564 / B366	N05500	2.4375	-	AMS 4676
	Inconel 625	B564 / B366	N06625	2.4856	-	AMS 5666
	Inconel 718	B564 / B366	N07718	2.4668	-	AMS 5662
	Incoloy 825	B564 / B366	N08825	2.4858	-	AMS 5581
	Alloy 20	B366	N08020	2.466	-	AMS 5708
	254 SMO	B366	S31254	1.4547	-	-
	Hastelloy C276	B366	N10276	2.4819	-	AMS 5754
	Hastelloy C22	B366	N06022	2.4602	-	AMS 5878

Our flanges are precision-engineered and meet all international quality standards, ensuring a leak-proof and durable solution. As a reputed Industrial High Hub Blind Flange Manufacturer, we focus on manufacturing flanges with consistent dimensions, superior mechanical properties, and corrosion resistance.

Forged High Hub Blind Flange Manufacturing

Fittinco India Private Limited is recognized as a top Forged High Hub Blind Flange Manufacturer. Our forging process enhances the flange’s strength, grain structure, and durability compared to cast flanges. Forged High Hub Blind Flanges are highly resistant to pressure fluctuations, temperature changes, and mechanical stress, making them ideal for critical piping systems.

We also operate as a Forged High Hub Blind Flange Exporter and Forged High Hub Blind Flange Bulk Supplier, ensuring a ready supply of Ready Stock High Hub Blind Flanges in various sizes, materials, and pressure classes.

Industrial Applications of High Hub Blind Flanges

Industrial High Hub Blind Flange products from Fittinco India Private Limited are used across multiple sectors, including:

• Oil refineries and pipelines
• Petrochemical and chemical plants
• Power generation and thermal plants
• Fertilizer and mining industries
• Water treatment plants
• HVAC and fire protection systems

Our expertise as an Industrial High Hub Blind Flange Supplier and Industrial High Hub Blind Flange Wholesaler ensures that clients receive high-performance flanges that comply with stringent industry standards.

Types of High Hub Blind Flanges

We manufacture and supply a variety of High Hub Blind Flanges to meet different operational requirements. Some common types include:

• Carbon Steel High Hub Blind Flange – suitable for moderate pressure and temperature applications.
• Stainless Steel High Hub Blind Flange – ideal for corrosive environments, chemical handling, and high-temperature applications.
• Forged High Hub Blind Flange – designed for heavy-duty pipelines and industrial projects.
• Pipe High Hub Blind Flange – engineered to provide seamless sealing of pipe ends.

Pressure Classes Available

Fittinco India Private Limited offers High Hub Blind Flanges in a wide range of pressure ratings:

• High Hub Blind Flange Class 150
• High Hub Blind Flange Class 300
• High Hub Blind Flange Class 600
• High Hub Blind Flange Class 900
• High Hub Blind Flange Class 1500
• High Hub Blind Flange Class 2500

Each class is designed to meet specific pressure and temperature requirements, providing optimal performance in critical applications.

Material & Grades

As a versatile High Hub Blind Flange Manufacturer, Fittinco India Private Limited offers a comprehensive selection of materials to suit varied industrial needs:

Carbon Steel Grades:

• ASTM A105
• ASTM A350 LF2
• ASTM A694 F42, F46, F52, F60, F65, F70

Stainless Steel Grades:

• ASTM A182 F304, F304L
• ASTM A182 F316, F316L
• ASTM A182 F321, F347

Alloy Steel Grades:

• ASTM A182 F11, F22, F91

Duplex & Super Duplex Grades:

• ASTM A182 F51, F53, F55

Specifications & Standards

Our High Hub Blind Flanges comply with major international standards, ensuring reliability and safety:

• ASME B16.5
• ASME B16.47 Series A & B
• ANSI
• DIN, EN, BS, JIS standards

Facing options include Raised Face (RF), Flat Face (FF), and Ring Type Joint (RTJ), providing flexibility for different gasket types and sealing requirements.

Dimensions & Size Range

Fittinco India Private Limited manufactures High Hub Blind Flanges from small bore to High Hub Blind Flange Large Diameter sizes:

• Standard bore range from ½” NB to 24” NB as per ASME B16.5
• Large diameter flanges up to 60” NB and above as per ASME B16.47

Weight List

The weight of High Hub Blind Flanges depends on the flange size, pressure class, material, and facing type. For example, higher pressure classes such as High Hub Blind Flange Class 1500 and Class 2500 are thicker and heavier compared to Class 150 or Class 300 flanges. Fittinco India Private Limited provides detailed weight calculations for project planning, logistics, and structural support.

Technical Details & Engineering

Each High Hub Blind Flange is manufactured with technical precision, considering mechanical and structural requirements:

• Hub Height: Provides extra reinforcement for high-pressure applications
• Bore Diameter: Precisely machined to match pipe OD for welding
• Bolt Holes: Accurately drilled as per ASME/ANSI standards for secure fastening
• Facing Finish: Ensures proper gasket seating, leak prevention, and extended service life

Quality Control & Testing

As a professional High Hub Blind Flange Exporter and Stainless Steel High Hub Blind Flange Exporter, Fittinco India Private Limited follows stringent quality assurance protocols:

• Chemical composition testing
• Mechanical property verification
• Dimensional inspection
• Visual and surface quality check
• Hydrostatic and pressure testing where applicable

All flanges are supplied with Mill Test Certificates (MTC) as per EN 10204 3.1 to guarantee material authenticity and compliance.

Supply Capability & Stock

Fittinco India Private Limited is a dependable High Hub Blind Flange Wholesaler and Industrial High Hub Blind Flange Wholesaler, maintaining Ready Stock High Hub Blind Flanges for immediate dispatch. This ensures that clients can Buy High Hub Blind Flanges without long lead times, even for bulk or urgent orders.

Competitive Pricing

Fittinco India Private Limited offers competitive High Hub Blind Flange Price options for all types, sizes, and materials. Bulk orders from Forged High Hub Blind Flange Bulk Supplier arrangements provide additional cost advantages without compromising on quality.

Why Choose Fittinco India Private Limited

• Ahmedabad-based Manufacturer & Supplier with global reach
• Expertise as a High Hub Blind Flange Manufacturer and exporter
• Wide range of sizes, materials, and pressure classes
• Compliance with international standards and specifications
• Customization options and technical support
• Ready stock availability for urgent projects
• Timely delivery and reliable logistics

For industries requiring high-strength, leak-proof, and durable flanges, High Hub Blind Flange – Fittinco India Private Limited is the preferred solution. Whether you need a Forged High Hub Blind Flange, Stainless Steel High Hub Blind Flange, or High Hub Blind Flange Large Diameter, our products deliver unmatched performance, compliance, and reliability. Contact Fittinco India Private Limited today to Buy High Hub Blind Flanges with assured quality, expert guidance, and competitive pricing.