UNI Threaded Flanges PN6 to PN40 Manufacturer

UNI Threaded Flanges PN6 to PN40

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

ANSI-B16-5-Class-2500-threaded-flanges-sl2

ANSI-B16-50-Class-400-threaded-flanges-sl2

ANSI-B16-50-Class-1500-Threaded-flanges-sl1

Werner Flanges Inc. is a leading manufacturer and supplier of UNI Threaded Flanges PN6 to PN40, delivering high-performance flanges in a wide variety of material grades including Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel, Copper Nickel, Monel, Inconel, and Hastelloy. Designed as per UNI (Ente Nazionale Italiano di Unificazione) standards, these flanges feature precision threading to enable secure pipe connections without welding. They are especially suited for applications involving small-diameter piping, flammable media, or where quick disassembly is required. Available in pressure ratings from PN6 to PN40, our threaded flanges ensure tight, leak-proof joints for reliable flow management under varying pressure conditions.

Widely used in oil & gas pipelines, chemical processing, water treatment, fire protection systems, marine applications, and HVAC systems, our UNI threaded flanges are known for their strength, corrosion resistance, and dimensional accuracy. Each flange is produced under stringent quality control with full traceability, certified to EN 10204 standards, and available with third-party inspection if required. Whether you need standard sizes or custom-machined options, Werner Flanges Inc. guarantees quality and timely delivery across domestic and international markets. For inquiries or bulk orders, contact our team at sales@wernerflanges.com.

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

UNI Threaded Flanges PN6 to PN40 Technical Specifications

Specification	Details
Standard	UNI (Ente Nazionale Italiano di Unificazione)
Flange Type	Threaded Flanges (TH)
Pressure Ratings	PN6, PN10, PN16, PN25, PN40
Size Range	DN 15 to DN 600 (larger sizes available on request)
Thread Type	ISO Metric Threads / BSP / NPT (as per client requirement)
Facing Types	Raised Face (RF), Flat Face (FF)
Connection Type	Screwed/Threaded, No welding required
Applications	Oil & Gas, Water Treatment, Chemical Processing, Fire Protection, Marine Systems, HVAC Installations
Manufacturing Process	Forged and Machined as per UNI dimensional standards
Testing & Certification	EN 10204 3.1 / 3.2, Hydrostatic Test, PMI Test, Ultrasonic Test, Third-Party Inspection (TPI) on request

Material Specifications for UNI Threaded Flanges PN6 to PN40

Type of Materials	Common Specifications / Customization Available on Request * Materials conform to ASTM/ASME standards and are compatible with UNI Threaded 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 Threaded Flanges PN6 to PN40

UNI PN6 Threaded Flanges (TH)
UNI PN10 Threaded Flanges (TH)
UNI PN16 Threaded Flanges (TH)
UNI PN25 Threaded Flanges (TH)
UNI PN40 Threaded Flanges (TH)
UNI Raised Face Threaded Flanges (RF TH)
UNI Flat Face Threaded Flanges (FF TH)
Forged UNI Threaded Flanges
High-Pressure UNI PN40 Threaded Flanges
UNI Threaded Flanges with BSP Threads
UNI Threaded Flanges with NPT Threads
Custom-Drilled UNI PN16 Threaded Flanges
UNI Threaded Companion Flanges
UNI Threaded Flanges for Explosive Environments

Industries and Applications of UNI Threaded Flanges PN6 to PN40:

Industry	Application
Oil & Gas Industry	Ideal for non-welded connections in fuel lines, oil pipelines, and gas metering systems where flame-free installation is critical.
Chemical & Petrochemical Plants	Used in pipelines carrying flammable or corrosive chemicals, enabling quick disassembly and maintenance.
Water Treatment & Distribution	Applied in low to medium-pressure water lines, filtration systems, and pump connections where threaded joints simplify installation.
Power Generation	Installed in cooling water, fuel, and compressed air lines across thermal and hydro power plants.
HVAC & Building Services	Used in chilled water and heating systems for secure, leak-proof joints without welding in commercial buildings.
Marine & Offshore Engineering	Offers corrosion-resistant, flame-free piping connections in shipbuilding and offshore platform piping systems.
Fire Protection Systems	Used in threaded pipe networks for hydrants, sprinklers, and fire suppression lines where easy access is essential.
Pharmaceutical & Food Processing	Suitable for sanitary piping in non-welded process connections requiring frequent cleaning and inspection.

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

1. What are UNI Threaded Flanges?: UNI Threaded Flanges are designed with internal threads that allow them to be screwed onto externally threaded pipes, providing a secure and leak-proof connection without welding.
2. What pressure classes are available for UNI Threaded Flanges?: UNI Threaded Flanges are available in pressure ratings of PN6, PN10, PN16, PN25, and PN40, suitable for various pressure and temperature conditions.
3. In which industries are UNI Threaded Flanges commonly used?: They are widely used in oil & gas, water treatment, chemical processing, HVAC, marine, fire protection, and pharmaceutical industries where welding is not preferred.
4. What thread types are available for UNI Threaded Flanges?: Common thread types include BSP (British Standard Pipe), NPT (National Pipe Thread), and ISO metric threads, based on project requirements and regional standards.
5. What materials are used to manufacture UNI Threaded Flanges?: These flanges are manufactured from materials such as Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel, Copper Nickel, Monel, Inconel, and Hastelloy.
6. Are UNI Threaded Flanges suitable for high-pressure systems?: Yes, UNI PN25 and PN40 Threaded Flanges are suitable for high-pressure applications, provided the material and thread integrity are suitable for the operating conditions.
7. Where can I purchase certified UNI Threaded Flanges?: You can buy certified and high-quality UNI Threaded Flanges PN6 to PN40 from Werner Flanges Inc.. Contact us at sales@wernerflanges.com for inquiries or custom requirements.