Pioneer Industries manufactures heavy-duty Brass Push to Lock Cross fittings engineered for multi-port 4-way pneumatic distribution. Features four instant one-touch push-in sockets at 90-degree orthogonal orientations, stainless steel collets, and electroless nickel plating for compact air manifolds.
The Brass Push to Lock Cross (4-way equal union cross) manufactured by Pioneer Industries is a specialized pneumatic distribution fitting designed to split a single compressed air inlet into three perpendicular secondary runs, or converge four lines into a single central node. Engineered with four precision push-in ports oriented at 90 degrees, it eliminates bulky distribution blocks and reduces connection points.
Precision-machined from high-density extruded brass IS 319 / CW614N and plated with electroless nickel, the cross fitting incorporates four independent 304 stainless steel collets and Nitrile O-rings. It provides instant, tool-free tubing engagement with bubble-tight integrity across vacuum down to -750 mmHg and positive working pressures up to 16 Bar.
Pioneer Industries manufactures and supplies Brass Push to Lock Cross fittings to major industrial automation OEMs, pneumatic machine builders, and engineering contractors in more than 85 countries worldwide. Operating from our state-of-the-art production plant in Mumbai, India, we maintain ready inventory of metric cross sizes for fast international dispatch.
Each cross fitting undergoes 100% automated pneumatic bubble testing at 10 Bar pressure to guarantee zero defect leakage. All dispatches include genuine EN 10204 Type 3.1 Mill Test Certificates verifying chemical composition and mechanical burst strength.
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Designed to maximize manifold efficiency in dense control cabinets, the Pioneer Brass Push to Lock Cross delivers symmetrical flow distribution across all four ports. Its solid forged and machined brass body withstands severe cyclical pneumatic pulsation, machine vibrations, and physical impacts that crack commercial plastic 4-way unions.
Each of the four ports operates independently with a zero-tool push-in connection mechanism. Simply push tubing past the internal O-ring stop to lock, and press the corresponding release collar to disconnect—preserving tubing integrity for repeated maintenance operations.
Pioneer Industries manufactures Brass Push to Lock Cross fittings in metric tube sizes 4 mm, 6 mm, 8 mm, 10 mm, and 12 mm OD (Codes P0304 to P0312). Compliant with ISO 14743 and ASME B31.3 standards.
Explore comprehensive engineering dimensional configurations for Metric Series P0304 - P0312, Operating Parameters, and Certified Metallurgy. Manufactured according to ISO 14743, ASME B31.3, and international pneumatic standards.
| Code | Tube O.D. (mm) | Tube I.D. (mm) | Center to Port (mm) | Body Hex / Dia (mm) | Working Pressure |
|---|---|---|---|---|---|
| P0304 | 4 mm | 2 mm | 17.0 mm | 11.0 mm | 16 Bar |
| P0306 | 6 mm | 4 mm | 19.5 mm | 13.0 mm | 16 Bar |
| P0308 | 8 mm | 6 mm | 22.5 mm | 15.0 mm | 16 Bar |
| P0310 | 10 mm | 8 mm | 26.0 mm | 18.0 mm | 16 Bar |
| P0312 | 12 mm | 10 mm | 29.5 mm | 21.0 mm | 16 Bar |
| Operating Parameter | Standard Specification | Optional / Severe Service Rating |
|---|---|---|
| Fluid Media | Compressed Air, Industrial Vacuum, Inert Gases (N2, Ar, CO2) | Low-Pressure Water, Lubricating Oils (with Viton seals) |
| Working Pressure Range | 0 to 16 Bar (0 to 230 PSI / 0 to 1.6 MPa) | Burst pressure exceeding 35 Bar (tested at 20°C) |
| Vacuum Rating | -750 mmHg (-29.5 inHg / 10 Torr / 99% Vacuum) | Suitable for automated suction handling & pick-and-place |
| Temperature Envelope | -20°C to +80°C (-4°F to +176°F) with standard NBR | -20°C to +150°C (-4°F to +302°F) with FKM Viton |
| Compatible Tubing | Nylon (PA6, PA11, PA12), Polyurethane (PU 95A/98A), Polyethylene | PTFE, FEP, PFA (for chemical exposure) |
| Joint Retention | AISI 304 multi-tooth spring-tempered gripping collet | Non-destructive, quick-release push collar |
Pioneer Industries utilizes top-grade brass alloys and premium stainless steel components for maximum structural integrity:
| Component | Material Standard | Composition / Chemistry |
|---|---|---|
| Fitting Body | Extruded Brass IS 319 / CW614N / ASTM B16 | Cu: 57.0–60.0%, Pb: 1.6–3.0%, Zn: Remainder |
| Gripping Collet | AISI 304 / 301 Stainless Steel | High-tensile spring-tempered austenitic stainless steel |
| Release Collar | Electroless Nickel-Plated Brass / Zinc Alloy | Anti-shear alloy with nickel plating |
| Radial O-Ring | Nitrile (NBR) / Optional FKM Viton | High-density oil-resistant elastomer (-20°C to +80°C) |
Our manufacturing and testing protocols strictly adhere to international engineering benchmarks:
Brass Push to Lock Cross components are deployed across demanding industrial automation, machine building, and process lines, including:
Splits main shop compressed air drops into multiple branch circuits for actuators and tooling.
Distributes pilot pressure simultaneously to multiple clamping cylinders on robotic work cells.
Feeds compressed air to multiple vacuum ejector nozzles on continuous motion carton packers.
Synchronizes air supply to opposing pneumatic toggle clamps on automotive framing jigs.
Routes air across web guide sensors, tension brakes, and air shafts on high-speed presses.
Clean, corrosion-proof nickel-plated cross distribution for sterile fill-and-finish enclosures.
Powers pneumatic conveyor pushers, diverters, and gate cylinders from a single supply header.
Provides multi-port instrumentation tapping nodes for simultaneous pressure transducer monitoring.
Pioneer Industries’ Brass Push to Lock Cross components are trusted across critical global industrial sectors:
Expert engineering insights and technical guidance regarding flow dynamics, pressure thresholds, tubing compatibility, and installation protocols for Brass Push to Lock Cross.
A Brass Push to Lock Cross is a 4-port pneumatic fitting with ports arranged at 90-degree orthogonal angles. It is used to distribute compressed air from one supply line to three branch lines, or cross-connect four pneumatic lines compactly without multiple tees.
Pioneer Industries Brass Push to Lock Crosses operate reliably across a pressure range of 0 to 16 Bar (0 to 230 PSI / 1.6 MPa) with a burst pressure rating exceeding 35 Bar.
Yes. Each of the four ports features its own independent release collar and 304 stainless steel collet. Any single tube can be disconnected and reconnected without disturbing the other three lines.
Compatible tubing includes metric Nylon (PA6, PA11, PA12), Polyurethane (PU), Polyethylene (LDPE/HDPE), and Fluoropolymer (PTFE/FEP) lines.
Standard metric sizes include P0304 (4mm), P0306 (6mm), P0308 (8mm), P0310 (10mm), and P0312 (12mm) Tube Outer Diameter.
Yes. The precision-machined internal chamber ensures balanced fluid dynamics and minimal pressure differential between opposing and lateral ports.
Electroless nickel plating provides complete chemical resistance against machine shop oils, prevents brass oxidation, and imparts high surface hardness to resist scratches and thread wear.
Yes. The cross is rated for coarse vacuum duty down to -750 mmHg (-29.5 inHg / 10 Torr), making it ideal for robotic vacuum cup distribution.
The cross is lightweight and can be supported directly by the rigid tubing lines, or secured to machine frames using standard pneumatic tube clamps.
All shipments from Pioneer Industries include authentic EN 10204 Type 3.1 Material Test Certificates, leak test verification reports, and RoHS compliance certificates.
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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 by Pioneer Industries. All Rights Reserved.
