Are you looking for superior quality Brass PU Coupler exporter and suppliers? Quick delivery and dispatch available with certified mill test reports.
Buy best price high-quality, corrosion resistant Brass PU Coupler, Brass Push-in Pneumatic Fittings, Brass tube fittings, brass push-to-lock fittings from Pioneer Industries recognized for manufacturing quality-tested products using latest manufacturing equipment at International Industry standards.
We at Pioneer Industries manufacture a wide variety of Brass PU Coupler which finds applications in numerous industries like Oil & Gas Industries, Chemical Industry, Nuclear Energy Sector, Petroleum Industries, Defence Industry, and Aerospace Industry. Available in numerous dimensions and grades. Pioneer Industries manufactures and exports high-quality industrial Brass PU Coupler.
We are India’s one of the leading Brass PU Coupler manufacturers and exporters to more than 85 countries exporting and manufacturing on a large scale. All size supply maintains a massive inventory of Brass PU Coupler, with all standard fractional (inch) and metric (mm) tube sizes available.
Brass PU Coupler is manufactured from high-grade brass raw materials sourced from trusted and reliable mills. Most Brass PU Coupler fittings are available in bright nickel plating as well as natural brass finish. Various materials, thread specifications, and custom configurations are available. We’ve got the right product for your engineering needs.
To Get Quotes within hour Call Us at 9821023876 or Send Enquiry for the products you requires
Brass PU Coupler is a precision-engineered pneumatic fitting designed to provide instant, tool-free push-to-lock tubing connections across industrial pneumatic, robotics, automation, and instrumentation fluid systems.
Constructed with a heavy-duty extruded or forged brass body, internal stainless steel gripping collets, and elastomeric O-rings, the fitting delivers high mechanical impact strength, vibration resistance, and positive airtight sealing under continuous line pulsing, vacuum service, and operating pressures up to 15 bar.
Sizes: Metric 4 mm to 16 mm Tube OD (Fractional 1/8″ to 1/2″ Tube OD). Thread Profiles: Metric M5 to M20, NPT (ANSI B1.20.1), BSPP (ISO 228), and BSPT (ISO 7/1). Material of Construction: High Tensile Brass (IS 319 / CW614N / CZ121 / ASTM B16 C36000) with Bright Nickel Plating or Natural Brass. Internal Seals: NBR (standard -20°C to +80°C), Viton/FKM optional (-20°C to +150°C). Working Pressure: Vacuum to 15 Bar (220 PSI). Working Media: Compressed Air, Neutral Gases, Vacuum.
Explore full engineering dimensional configurations for Metric (mm) and Imperial / Fractional (Inch) Brass PU Coupler fittings. Sourced and manufactured according to international pneumatic standards.
| Part Number | Tube OD 1 (mm) | Tube OD 2 (mm) | Overall Length L (mm) | Body Diameter Ø (mm) | Working Pressure |
|---|---|---|---|---|---|
| PI-PUC-04M | 4 mm | 4 mm | 32.5 mm | 10.0 mm | 15 Bar (220 PSI) |
| PI-PUC-06M | 6 mm | 6 mm | 35.0 mm | 12.5 mm | 15 Bar (220 PSI) |
| PI-PUC-08M | 8 mm | 8 mm | 38.0 mm | 14.5 mm | 15 Bar (220 PSI) |
| PI-PUC-10M | 10 mm | 10 mm | 43.0 mm | 17.0 mm | 12 Bar (175 PSI) |
| PI-PUC-12M | 12 mm | 12 mm | 47.5 mm | 20.0 mm | 12 Bar (175 PSI) |
| PI-PUC-14M | 14 mm | 14 mm | 51.0 mm | 22.5 mm | 10 Bar (145 PSI) |
| PI-PUC-16M | 16 mm | 16 mm | 54.0 mm | 25.0 mm | 10 Bar (145 PSI) |
| Part Number | Tube OD (Inch) | Thread Connection | Overall Length L (Inch) | Hex A/F (Inch) | Working Pressure (PSI) |
|---|---|---|---|---|---|
| PI-PU-COU-1/8 | 1/8″ | 1/8″ NPT / UNEF | 0.82″ (20.8 mm) | 7/16″ | 220 PSI |
| PI-PU-COU-5/32 | 5/32″ (4 mm) | 1/8″ NPT / M12 | 0.88″ (22.3 mm) | 1/2″ | 220 PSI |
| PI-PU-COU-1/4 | 1/4″ | 1/4″ NPT / BSPP | 1.02″ (25.9 mm) | 9/16″ | 220 PSI |
| PI-PU-COU-5/16 | 5/16″ (8 mm) | 1/4″ NPT / BSPP | 1.08″ (27.4 mm) | 5/8″ | 220 PSI |
| PI-PU-COU-3/8 | 3/8″ | 3/8″ NPT / BSPP | 1.24″ (31.5 mm) | 3/4″ | 180 PSI |
| PI-PU-COU-1/2 | 1/2″ | 1/2″ NPT / BSPP | 1.45″ (36.8 mm) | 7/8″ | 150 PSI |
| Component | Material Specification | Standard Specification | Mechanical Properties | Temperature Limits | Key Features |
|---|---|---|---|---|---|
| Fitting Body | Free Cutting Brass (CW614N / CZ121) | IS 319 Gr. 1 / ASTM B16 C36000 | Tensile ≥ 440 MPa, 120–160 HB | -20°C to +80°C (up to 150°C) | High tensile strength, bright nickel-plated corrosion protection |
| Gripping Collet | Stainless Steel AISI 301 / 304 | ASTM A666 / DIN 1.4310 | Spring Tempered ≥ 42 HRC | -40°C to +200°C | Precision biting teeth ensure permanent tube lock without scoring |
| Primary O-Ring Seal | Nitrile Rubber (NBR 70) | ASTM D2000 / ISO 1629 | Hardness 70 ± 5 Shore A | -20°C to +80°C | Standard pneumatic airtight sealing for air, inert gas, vacuum |
| High-Temp Seal (Optional) | Fluoroelastomer (Viton / FKM) | ASTM D1418 / ISO 1629 | Hardness 75 ± 5 Shore A | -20°C to +150°C | Resistant to synthetic oils, high temperatures, chemical vapors |
| Release Sleeve Collar | Polyoxymethylene (POM) / Brass | ISO 9988 / ASTM D4181 | Tensile ≥ 65 MPa | -20°C to +100°C | Smooth one-touch manual release without jamming or collet binding |
| Sealing Washers (Banjo) | Copper / Bonded NBR Dowty | DIN 7603 / BS 4518 | Annealed Soft / Bonded | -40°C to +150°C | Positive port face sealing under repeated hollow bolt torque |
Brass PU Coupler finds critical deployment across a wide variety of industrial pneumatic and fluidic systems:
Routes main supply air and actuator feedback lines cleanly through electrical and pneumatic enclosure panels while preserving enclosure sealing.
Connects moving robotic arm air feeds to stationary base junction boxes across partitions, resisting dynamic flexure and repetitive cyclic motion.
Feeds pneumatic clamping lines, tool changers, and air blast nozzles straight through sheet metal chip guards and splash enclosures without line abrasion.
Widely deployed across high-speed cartoning, bottle blow-molding, and filling machinery partitions requiring quick pneumatic tube maintenance and washdown durability.
Routes air brake auxiliary lines, pneumatic suspension tubing, and automated tire inflation air lines across chassis bulkheads and cab partition walls.
In chemical refineries, Brass Tube Fittings are made using corrosion resistant high performance materials, such as Brass, tool alloys, and exotic metals and find use in machineries such as heat exchangers, chemical tanks, and processing systems.
These Brass Tube Fittings find application in processing equipment such as tanks, drilling rigs, and pumps, and used in the oil and gas industries giving stable performance in high stress and corrosive conditions.
Fittings installed in the marine industry necessitate excellent corrosion resistance to withstand the extended periods of exposure to saltwater that marine ramps, marine decks, bulkheads, and tanks experience.
Pioneer Industries’ Brass PU Coupler fittings are deployed across worldwide demanding industries including:
Comprehensive technical guidance and engineering answers regarding Brass PU Coupler, push-in collet mechanics, pressure containment, and pneumatic specifications from Pioneer Industries.
about your requirement to select the right products for your application needs!
Do you have any questions or need help with our services and products? Submit an Enquiry Form request or Call us at 9821023876. Feel free to get in touch!
Note: Please note that the information on this document is for illustration purposes only as information may vary with individual products, their grade and applications industries or uses and therefore cannot be guaranteed as accurate. © Copyright 2026 © Pioneer Industries All Rights Reserved (Terms of Use). Recreation of any materials from the site is strictly prohibited without permission. Pioneer Industries’ products are sold exclusively through Pioneer Industries’ website. Use Terms | Privacy. Please contact us to discuss precise product specifications and requirements and obtain advice on which products are required to suit your exact application needs inquiry@pioneerfitting.com
