UNI Blind Flanges PN6 to PN40 Manufacturer

UNI Blind Flanges PN6 to PN40

Manufacturer and Supplier of UNI Blind Flanges PN6 to PN40 in Various Material Grades
UNI PN6 Blind Flanges Manufacturer in Mumbai, India. Carbon Steel UNI PN40 Blind Flanges Supplier, Stainless Steel UNI PN6 Blind Flanges Exporter, Alloy Steel UNI PN25 Blind Flanges Stockist, Copper Nickel UNI PN10 Blind Flanges Distributor, Inconel UNI PN16 Blind Flanges, Monel UNI PN40 Blind Flanges, Hastelloy UNI PN6 Blind Flanges, Duplex Steel UNI PN6 to PN40 Blind Flanges Manufacturer & Exporter in Mumbai, India.

Werner Flanges Inc. offers a comprehensive range of UNI Blind Flanges in pressure ratings from PN6 to PN40, designed to effectively close off the ends of piping systems in high-performance environments. These flanges are manufactured with strict adherence to dimensional accuracy and mechanical strength standards, ensuring long-lasting sealing and operational safety.

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Werner Flanges Inc. is a trusted manufacturer and exporter of high-quality UNI Blind Flanges PN6 to PN40, engineered to meet demanding industrial standards. Designed in accordance with UNI (Italian National Standards), these flanges are primarily used to seal the end of piping systems or pressure vessels, offering a reliable, leak-proof closure. Our UNI blind flanges are available in pressure classes PN6, PN10, PN16, PN25, and PN40, and are manufactured from premium materials such as carbon steel, stainless steel, alloy steel, duplex steel, Monel, Inconel, Hastelloy, and copper nickel. They are ideal for applications requiring routine maintenance or inspection access without disturbing the entire system.

Widely used in oil & gas, water treatment, chemical processing, power generation, marine, and HVAC systems, UNI blind flanges from Werner Flanges Inc. ensure exceptional performance under both low and high-pressure conditions. Each flange is rigorously tested and certified to meet international standards, including EN 10204 3.1/3.2, with full traceability and optional third-party inspections. With precision machining, superior surface finish, and custom sizing available, our blind flanges are built to exceed expectations in terms of durability and fit. For technical support or quotations, contact us at sales@wernerflanges.com – your reliable partner for premium flange solutions.

Stainless Steel 316 UNI PN6 Blind Flanges, Carbon Steel UNI PN10 Blind Flanges, Duplex Steel S31803 UNI PN16 Blind Flanges, Super Duplex S32750 UNI PN25 Blind Flanges, Titanium UNI PN6 Blind Flanges, Copper Nickel UNI PN10 Blind Flanges, CuNi UNI PN16 Blind Flanges, Inconel UNI PN40 Blind Flanges, Monel UNI PN6 Blind Flanges, UNI PN40 Blind Flanges for High Pressure Applications, Nickel Alloy UNI PN40 Blind Flanges for Heat Exchangers, Carbon Steel UNI PN6 Blind Flanges for Water Pipelines, UNI PN10 Blind Flanges Price, UNI PN10 Blind Flanges Ready Stock, UNI PN6 to PN40 Blind Flanges for Oil & Gas, UNI PN10 to PN40 Blind Flanges for Petrochemical Applications

UNI Blind Flanges PN6 to PN40 Technical Specifications

Specification	Details
Standard	UNI (Ente Nazionale Italiano di Unificazione)
Flange Type	Blind Flanges (BL)
Pressure Ratings	PN6, PN10, PN16, PN25, PN40
Size Range	DN 15 to DN 1200 (custom sizes available on request)
Facing Types	Raised Face (RF), Flat Face (FF)
Design Features	Solid disc design for sealing pipeline ends, bolt holes per UNI standard, suitable for easy inspection and maintenance access
Applications	Oil & Gas, Water Treatment, Petrochemical, Power Generation, HVAC, Marine & Offshore, Fire Protection
Manufacturing Process	Forged and Machined in accordance with UNI dimensional tolerances
Testing & Certification	EN 10204 3.1 / 3.2, Hydrostatic Test, Ultrasonic Test, PMI Test, Third-Party Inspection (TPI) available

Material Specifications for UNI Blind Flanges PN6 to PN40

Type of Materials	Common Specifications / Customization Available on Request * Materials conform to ASTM/ASME standards and are compatible with UNI Blind Flanges PN6 to PN40
Duplex Steel	ASTM/ASME A182 F51, F60, F61, UNS S31803, UNS S32205
Super Duplex Steel	ASTM/ASME A182 F53, F55, UNS S32750, UNS S32760, F44 (6Mo)
Stainless Steel	ASTM/ASME A182 F304, F304L, F316, F316L, F310, F317L, F321, F347
Carbon Steel	ASTM A105, A350 LF1, LF2, LF3, A266 Class 1/2, A694 F42 to F70, A765 Gr. II
Alloy Steel	ASTM/ASME A182 F1, F5, F9, F11, F12, F22
Non-Ferrous Alloys	Titanium, Brass, Admiralty Brass, Copper Nickel, Nickel Alloys, Hastelloy
Titanium	ASTM/ASME B381 Gr.1, Gr.2, Gr.5, Gr.7, Gr.12, Gr.16
Copper Nickel	ASTM B151 UNS C70600 (Cu-Ni 90/10), C71500 (Cu-Ni 70/30)
Brass, Al-Brass	ASTM B152 UNS C26000, C27200, C28000; ASTM B111 for Al-Brass
Nickel Alloys	ASTM B160, B161, B564 – UNS N02200, N02201, N04400, N08800, N08825, N06600, N06601, N06625, Monel K500
Alloy 20	ASTM B462 UNS N08020
Hastelloy	ASTM B564 UNS N10276 (Hastelloy C276), N06022 (Hastelloy C22)
Cladded Materials	ASTM B898, B265, B424 or custom explosion/clad bonding using dissimilar metals
Cladded Materials	Titanium-Steel, Nickel-Steel, Titanium-Copper, Stainless Steel-Carbon Steel, Bimetallic/Trimetallic Combinations

Types of UNI Blind Flanges PN6 to PN40

UNI PN6 Blind Flanges (BL)
UNI PN10 Blind Flanges (BL)
UNI PN16 Blind Flanges (BL)
UNI PN25 Blind Flanges (BL)
UNI PN40 Blind Flanges (BL)
UNI PN6 Raised Face Blind Flanges (RF BL)
UNI PN10 Flat Face Blind Flanges (FF BL)
Forged UNI PN16 Blind Flanges
High-Pressure UNI PN40 Blind Flanges
UNI Blind Flanges with Tapped Center Hole
Custom Drilled UNI PN25 Blind Flanges
UNI Blind Flanges for Heat Exchangers
UNI Blind Flanges for Inspection Openings
UNI Blind Flanges with Test Ports

Industries and Applications of UNI Blind Flanges PN6 to PN40:

Industry	Application
Oil & Gas Industry	Used for isolating sections of pipelines, pressure testing, and system closures in high-pressure oil and gas transport lines.
Water Treatment & Distribution	Installed at the end of pipelines in filtration systems, pumping stations, and water distribution networks for secure shut-off.
Chemical & Petrochemical Plants	Provides reliable sealing for lines carrying corrosive chemicals or hazardous fluids, ensuring safety during maintenance.
Power Generation	Used in steam, gas, and hydro power plants to seal piping systems, enable inspection, and prevent leakage under pressure.
HVAC & Building Utilities	Supports sealed pipe terminations in chilled water, heating, and compressed air systems for commercial and industrial buildings.
Marine & Offshore Platforms	Ideal for end-closure of seawater and ballast piping systems, offering high resistance to corrosion and saltwater exposure.
Fire Protection Systems	Ensures secure isolation of fire suppression pipelines, hydrant lines, and sprinkler systems in emergency-ready installations.
Mining & Slurry Transport	Used at the ends of high-abrasion slurry pipelines in ore processing, mineral extraction, and tailing systems.

Frequently Asked Questions (FAQs) about UNI Blind Flanges PN6 to PN40

1. What are UNI Blind Flanges used for?: UNI Blind Flanges are used to seal the end of a piping system or pressure vessel. They are ideal for isolation, maintenance access, and pressure testing applications.
2. What pressure ratings are available for UNI Blind Flanges?: UNI Blind Flanges are available in pressure ratings of PN6, PN10, PN16, PN25, and PN40, allowing for use in both low and high-pressure applications.
3. What materials are UNI Blind Flanges made from?: They are manufactured using various materials, including Carbon Steel, Stainless Steel (304/316), Alloy Steel, Duplex & Super Duplex Steel, Inconel, Monel, Hastelloy, and Copper Nickel.
4. Are UNI Blind Flanges suitable for high-pressure systems?: Yes, especially the PN25 and PN40 rated flanges, which are designed for high-pressure and high-temperature industrial systems.
5. What industries commonly use UNI Blind Flanges?: They are widely used in oil & gas, chemical processing, water treatment, marine, HVAC, power generation, and fire protection systems.
6. Can UNI Blind Flanges be customized?: Yes, at Werner Flanges Inc., we offer customized UNI Blind Flanges in terms of dimensions, drilling, face types, and materials to meet specific project requirements.
7. Where can I buy high-quality UNI Blind Flanges PN6 to PN40?: You can purchase premium-grade UNI Blind Flanges from Werner Flanges Inc. For inquiries or technical support, contact us at sales@wernerflanges.com.