Colder Couplings & Fittings


Colder Products Company has been producing quick disconnect couplings, fittings and connectors since 1979. Many of the Colder couplings and fittings were originally custom designed, but have been found to have a wider range of application use. Used in a broad range of machinery, devices and processes, Colder’s innovative couplings and fittings allow for flexible tubing to quickly and safely connected and disconnected.

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APC Series Acetal CouplingsAPC Series
Features a plastic thumb latch, fewer moving parts and a smooth contoured design to deliver ease of use and excellent flow.
  • Material: Acetal
  • O-rings: Buna-N
  • Tubing sizes: 1/4" - 3/8"
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High Purity CouplingsHigh Purity Couplings
CPC’s rugged quick disconnect couplings and connectors made from high purity materials to transfer aggressive chemicals.
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LQ2 Series Liquid Cooling ConnectorsLQ2 Series Liquid Cooling Connectors
LQ2 Series provides ultra-reliable, dripless connections and disconnections that protect valuable electronics. Designed specifically for liquid cooling applications, the LQ2 offers a high-flow capacity to optimize liquid cooling system performance. LQ2 uses CPC developed valve technology that eliminates drips and is able to withstand long-term use.
  • Material: Chrome-plated brass
  • Valve Spring: Stainless Steel
  • Tubing sizes: 1/4 ID (6.4mm ID)
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Medical-GradeMedical-Grade
Eliminate accidental misconnections. Meet the most stringent requirements of biocompatibility. Create cleaner, faster, safer and smarter device connections. Do it all with CPC medical-grade quick disconnect couplings, suitable for use in a wide variety of medical applications.
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Multiline CouplingsMultiline Couplings
Easily connect two, six or even ten separate flow paths with one coupling using CPC multiline connectors. These efficient solutions ensure correct line orientation and come with a variety of terminations, materials and latching options to maximize your design flexibility.
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SnapQuikSnapQuik
SnapQuik® is a breakaway connector ideal for small-bore applications. The compact design delivers high flow fluid transfer in a small profile. Featuring a unique internal latching mechanism that creates a smooth, streamlined exterior that is easy to clean and use. The user-friendly break away design of SnapQuik prevents misconnections with luers, protects equipment and ensures patient safety.
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BQ45GL Series Bottle CapsBQ45GL Series Bottle Caps
Caps designed for 45GL bottles featuring a quick disconnect coupling or FitQuik connector integrated into the cap.
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Breakaway Series CouplingsBreakaway Series Couplings
These high quality connectors use a pull force technique to disconnect these connectors. This allows the user to make a clean, fast break at a critical moment.
  • Material: Acetal
  • O-rings: Buna-N
  • Retention ring: PPS
  • Tubing sizes: 1/4" - 3/8" 
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CQG Series High Purity CouplingsCQG Series High Purity Couplings
The CQG Series high purity couplings feature our patented pressure balanced, non-spill design. Molded virgin polypropylene and a 100% springless flow path provide broad chemical resistance and exceptionally high flow capacity, allowing instant disconnects (and reconnects), even under pressure.
  • Material: Polypropylene
  • Panel mount o-rings: FKM
  • Retention ring: PPS
  • Tubing sizes: 3/8" to 3/4" flare; 3/8" to 3/4" NPT
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CQH Series ConnectorColder CQH Series In-Line Coupling Body
The CQH Series are designed for high-purity use and feature all plastic construction. Molded, virgin materials and lubricant-free design enable use in the most demanding applications. Broad chemical compatibility and cleanroom manufacturing make them ideal for use in critical wet processes. 
  • Material: Polypropylene
  • Temperature: 32°F to 225°F
  • Tubing Sizes: 1/4" and 3/8" ID
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DrumQuik Dispensing SystemsDrumQuik Pro and DrumQuik Pur Dispensing Systems
DrumQuik systems are designed for use with common pumps, and create closed transfer systems for general and high purity chemicals.
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FFC35 Series Polysulfone CouplingsFFC35 Series Polysulfone Couplings
Non-valved bore increases flow and minimizes turbulence. Able to withstand demanding applications.
  • Material: Polysulfone
  • O-rings: FDA Buna-N
  • Tubing Sizes: 3/4" ID
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PLC Series Acetal CouplingsPLC Series
Widest selection of sizes and configurations offered. Resistant to most mild chemical solutions.
  • Material: Acetal
  • O-rings: Buna-N
  • Tubing Sizes: 1/4" - 3/8"
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HFC12 Series Polypropylene CouplingsHFC12 Series Polypropylene Couplings
Flow comparable to many 1/2" flow couplings using a 3/8" body size. Efficient valve design for high flow and low spillage.
  • Material: Polypropylene
  • O-rings: EPDM
  • Tubing Sizes: 3/8" - 3/4"
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HFC35 and 57 Series Polysulfone CouplingsHFC35 Series Polysulfone Couplings
Can operate in harsh environments and feature physical strength and chemical resistance.
  • Material: Polysulfone
  • O-rings: EPDM
  • Tubing Sizes: 3/8" - 3/4"
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FitQuik Connectors and Quick FittingsFitQuik Connectors and Quick Fittings
Instrumentation grade fittings that ensure a secure fit in even the most demanding applications.

Features a plastic thumb latch, fewer moving parts and a smooth contoured design to deliver ease of use and excellent flow.
  • Material: Acetal
  • O-rings: Buna-N
  • Tubing sizes: 1/4" - 3/8"
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PMC Series Acetal CouplingsPMC Series
Features one-hand connection and disconnection and integral terminations. Easier to use than ball-and-sleeve designs.
  • Material: Acetal
  • O-rings: Buna-N
  • Tubing Sizes: 1/16" - 1/4"
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NS1 Series Non-Spill CouplingsNS1 Series Non-Spill Couplings
The smallest plastic non-spill coupling on the market. Compact, closed-system design includes non-spill shutoff valves that ensure drip-free disconnects.
  • Material: Glass-Filled Polypropylene
  • Seals: EPDM
  • Tubing Sizes: microbore - 1/8"
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NS2 Series Non-Spill CouplingsNS2 Series
Twist-to-connect design features non-spill valves designed to provide fast, safe and virtually leak-free fluid line connections.
  • Material: Glass-Filled Polypropylene
  • Seals: TPV
  • Tubing Sizes: 1/8" - 1/4"
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NS212 Series Non-Spill CouplingsNS212 Series Non-Spill Couplings
Twist to connect coupling with an integrated locking mechanism and double-sided non-spill shutoff valves.
  • Material: Glass-Filled Polypropylene
  • Seals: EPDM
  • Tubing Sizes: 1/8" - 1/4"
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NS4 Series Non-Spill CouplingsNS4 Series
Non-spill coupling that virtually eliminates spills, minimizes downtime and enhances operator safety.
  • Material: Glass-Filled Polypropylene
  • O-rings: EPDM
  • Tubing Size: 1/8" - 3/8"
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NS4 Series ABS Non-Spill CouplingsNS4 Series ABS Non-Spill Couplings
Non-spill coupling that virtually eliminates spills, minimizes downtime and enhances operator safety.
  • Material: ABS
  • O-rings: EPDM
  • Tubing Size: 1/8" - 3/8"
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NS6 Series Non-Spill CouplingsNS6 Series
Durable, lightweight construction that features non-spill valves and is compatible with many chemicals.
  • Material: Glass-Filled Polypropylene
  • O-rings: EPDM
  • Tubing Sizes: 3/8" - 1/2"
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LQ4 Series Liquid Cooling ConnectorsLQ4 Series Liquid Cooling Connectors
Designed specifically for liquid cooling applications, utilizing patent-pending liquid cooling valve technology. Closed-system design for dripless connections and disconnections.
  • Material: Chrome-Plated Brass
  • O-rings: EPDM
  • Tubing Sizes: 1/4" - 3/8" ID
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LQ6 Series Liquid Cooling ConnectorsLQ6 Liquid Cooling Connectors
Designed specifically for liquid cooling applications, utilizing patent-pending liquid cooling valve technology. Closed-system design for dripless connections and disconnections.
  • Material: Chrome-Plated Brass
  • O-rings: EPDM
  • Tubing Sizes: 3/8" - 1/2" ID
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RPLQ4 Series Liquid Cooling ConnectorsRPLQ4 Series Liquid Cooling Connectors
RPLQ4 Series Connectors are designed to provide reliable, dripless connections, and to ensure the safety of valuable electronics in rack mounted liquid cooling applications.
  • Material: Chrome-plated brass
  • O-rings: EPDM
  • Thread size: 1/4" to 3/8" NPT or SAE
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LC Series Chrome-Plated Brass CouplingsLC Series
Durable and able to withstand higher pressure and temperature. Features one-hand connection and disconnection.
  • Material: Chrome-Plated Brass
  • O-rings: Buna-N
  • Tubing Sizes: 1/4" - 3/8"
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MC Series Chrome-Plated Brass CouplingsMC Series
Durable and able to withstand higher pressure and temperature. Features one-hand connection and disconnection.
  • Material: Chrome-Plated Brass
  • O-rings: Buna-N
  • Tubing Sizes: 1/8" - 1/4"
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PLC12 Series Polypropylene CouplingsPLC12 Series Polypropylene Couplings
Materials of construction offer broad chemical resistance for demanding applications. Fittings are gamma sterilizable.
  • Material: Polypropylene
  • O-rings: EPDM
  • Tubing Sizes: 1/4" - 3/8"
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PMC12 Series Polypropylene CouplingsPMC12 Series Polypropylene Couplings
Materials of construction offer broad chemical resistance for demanding applications. Fittings are gamma sterilizable.
  • Material: Polypropylene
  • O-rings: EPDM
  • Tubing Sizes: 1/16" - 1/4"
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EFC12 Series Polypropylene CouplingsEFC12 Series Polypropylene Couplings
Couplings feature a high efficiency valve design, resulting in greater flow capabilities than other couplings its size. 
  • Material: Polypropylene
  • O-rings: EPDM
  • Tubing Sizes: 1/4" and 3/8" ID
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NSH Series Polypropylene CouplingsNSH Series Polypropylene Couplings
Couplings are constructed of molded polypropylene, and manufactured with a non-spill design.
  • Material: Polypropylene
  • O-rings: EPDM
  • Tubing sizes: 3/8" to 3/4" ID
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UDC Series Universal Dispensing CouplersUDC Series Universal Dispensing Couplers
Provides a universal connection to a 38mm fitment neck to make instant connections to bulk packaging systems including bag-in-box (BIB), flexible and rigid packaging styles. All UDC Series couplings are NSF listed.
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Shop By CompatibilityShop By Compatibility
Fittings from multiple series are grouped together based on their compatibility with each other.
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Colder AccessoriesColder Accessories
A variety of ancillary parts and fittings are offered.
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