Are you looking for superior quality Long Plug exporter and suppliers? Quick delivery and dispatch available worldwide.
Buy best price high-quality, corrosion resistant Long Plug, Injection Mould Cooling Quick Release Couplings, Mould Water Couplers, Die-Casting Cooling Line Connectors, and Brass Quick Disconnect Fittings from Pioneer Industries recognized for manufacturing quality-tested fluid power components at international standards.
At Pioneer Industries, we offer these Industrial Long Plug having utmost functionality for injection mold cooling and temperature control. We are a manufacturer, supplier of Long Plug and India’s leading Quick Release Coupling Exporters in Mumbai.
Pioneer Industries supplies plastic molders, die-casting manufacturers, and mold tooling designers across 85+ countries with precision engineered Long Plug. We maintain large ready stocks for standard DME and Hasco interchange profiles.
Long Plug is manufactured on CNC automatic lathes with tight tolerances and fitted with fluorocarbon (Viton) seals, ensuring maximum cooling efficiency, short cycle times, and zero water leakage on the production floor.
To Get Quotes within hour Call Us at 9821023876 or Send Enquiry for the products you requires
Long Plug is a high-performance cooling connector designed for plastic injection molding tools, rubber vulcanizing dies, and zinc/aluminum die-casting machines.
Material of Construction: High Tensile Forging Brass (IS 319 / CZ121) or Stainless Steel (AISI 304 / AISI 316), fitted with stainless steel Grade 316 locking balls and Viton high-temperature seals.
Designed for rapid tool changes, reliable heat transfer, and full dimensional compatibility with DME and European mold standards.
Bore Sizes: 1/4″, 3/8″, 1/2″, 3/4″. Connection Styles: Female NPT, Male NPT, Hose Barb (6mm, 8mm, 10mm, 12mm), PU Tube Push-in. Max Pressure: 20 bar (300 PSI). Temperature: -20°C to +180°C.
Explore standard engineering dimensional configurations for Metric (mm) and Imperial (Inch) Long Plug manufactured according to international mold tooling standards.
| Part No. | Series Bore | Connection Size | Ø Outer (mm) | Length (mm) | Hex (mm) | Max Pressure (bar) |
|---|---|---|---|---|---|---|
| MQRC-02 | 6 mm (1/4″) | 1/8″ BSPT | 17.0 | 36.0 | 14.0 | 20 |
| MQRC-04 | 9 mm (3/8″) | 1/4″ BSPT | 21.0 | 44.0 | 17.0 | 20 |
| MQRC-06 | 9 mm (3/8″) | 3/8″ BSPT | 21.0 | 48.0 | 19.0 | 20 |
| MQRC-08 | 13 mm (1/2″) | 1/2″ BSPT | 28.0 | 62.0 | 24.0 | 15 |
| MQRC-12 | 19 mm (3/4″) | 3/4″ BSPT | 38.0 | 78.0 | 32.0 | 15 |
| Part No. | Series Bore | Connection (NPT) | Ø Outer (in) | Length (in) | Hex (in) | Max Pressure (PSI) |
|---|---|---|---|---|---|---|
| IMQRC-02 | 1/4″ Bore | 1/8″ NPT | 0.67″ | 1.42″ | 0.55″ | 300 |
| IMQRC-04 | 3/8″ Bore | 1/4″ NPT | 0.83″ | 1.73″ | 0.67″ | 300 |
| IMQRC-06 | 3/8″ Bore | 3/8″ NPT | 0.83″ | 1.89″ | 0.75″ | 300 |
| IMQRC-08 | 1/2″ Bore | 1/2″ NPT | 1.10″ | 2.44″ | 0.94″ | 220 |
| IMQRC-12 | 3/4″ Bore | 3/4″ NPT | 1.50″ | 3.07″ | 1.25″ | 220 |
| Material Group | Standard Specification & Codes | Available Grades |
|---|---|---|
| Austenitic Stainless Steel (300 Series) | ASTM A276, ASTM A479, ASME SA479, EN 10088-3 | SS 304 SS 304L SS 316 SS 316L SS 321 |
| Duplex & High Nickel Alloys | ASTM A182, ASTM B164, ASTM B574, NACE MR0175 / ISO 15156 | Duplex 2205 Super Duplex 2507 Monel 400 Hastelloy C-276 Inconel 625 |
| High Grade Brass & Carbon Steel | IS 319 Gr. 1, BS 2874 CZ121, ASTM A108 Zinc-Trivalent Plated | Free Cutting Brass Forging Brass High Tensile Carbon Steel |
| Seal Elastomers & Temperature Ratings | ASTM D2000, FDA 21 CFR 177.2600 | NBR (-20°C to +100°C) FKM / Viton (-20°C to +200°C) EPDM (-50°C to +150°C) PTFE (-60°C to +260°C) |
Customization Available: Looking for specific seal elastomers (Viton, EPDM, Kalrez, PTFE) or special body alloys (Brass, Carbon Steel, SS 304, SS 316, Super Duplex, Monel)? Pioneer Industries manufactures tailor-made Quick Release Couplings for extreme conditions. Contact us at +91 9821023876 or email inquiry@pioneerfitting.com.
Pioneer Quick Release Couplings find use in a variety of critical industrial applications, including:
Pioneer Quick Release Couplings deliver rapid, leak-free connection for hydraulic power packs, blowout preventer (BOP) control lines, chemical injection skids, and offshore umbilical testing.
High-pressure hydraulic equipment, pile drivers, excavators, and concrete pumping rigs rely on our rugged quick couplers for fast, tool-free field attachment and zero-leak reliability.
Engineered in corrosion-resistant stainless steel with fluorocarbon or PTFE seals, our couplings ensure zero-emission transfer of volatile hydrocarbons, aggressive acids, and caustic solutions.
Marine deck machinery, dive support systems, ROV umbilicals, and harbor bunkering lines demand the exceptional pitting resistance and anti-galling performance of our 316/316L quick couplings.
Automated assembly plants, robotic paint lines, brake fluid charging systems, and pneumatic test benches utilize our quick release couplings for rapid tool changes and zero downtime.
Turbine governor hydraulics, generator cooling water circuits, transformer oil transfer lines, and boiler feed sampling stations utilize Pioneer high-temperature, high-pressure couplings.
Tractor rear hydraulic remotes, combine harvester implements, and spray rigs rely on quick connect couplings for effortless, spill-free connection under challenging environmental conditions.
Combat support vehicles, naval fluid systems, portable refueling skids, and aerospace ground support equipment depend on Pioneer couplings designed to survive severe shock, vibration, and climatic extremes.
Pioneer Industries’ Long Plug are widely used in numerous industries like:
Answers to the technical questions fluid power engineers, maintenance superintendents, and piping designers ask when specifying Quick Release Couplings from Pioneer Industries.
Our mold cooling specialists are ready to advise on nozzle configurations, flow rates, and high-temperature seal selections.
Call our engineering desk at +91 9821023876 or submit your tooling drawing via our inquiry portal.
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
