John Guest® Cartridge Systems Catalogue

Product catalog summary

Introduction
John Guest Limited provides Cartridge Systems as a cost-effective solution for securing tubes in various products. These systems are designed for easy assembly and high retention, suitable for air and potable liquids, and are available in plastic, brass, or stainless steel bodies.

Quality Manufacture
The company is known for its high-quality push-in fittings and fluid control products, manufactured in modern UK facilities. John Guest ensures strict quality control from design to final testing, recognized by leading testing organizations.

Product Specifications

Plastic Half Cartridges: Designed for pneumatics and food-grade applications, available in inch and metric sizes, requiring low assembly effort and providing high retention.
Metal Half Cartridges: Suitable for drinks dispense and potable water applications, available in brass or stainless steel bodies.
Full Cartridges: Ideal for compressed air applications, featuring a brass body and supplied with an 'O' ring and loose collet.

Technical Specifications
Cartridge Systems are compatible with various housing materials, including soft metals and plastics, offering a neat and compact solution that eliminates the need for threaded ports.

Assembly and Installation
Cartridges are easy to assemble with low insertion loads, held in place by stainless steel teeth that grip the housing material, with increased grip under pressure. Assembly tools are available to facilitate the process.

Applications
Cartridge Systems are used in industries such as automotive, plumbing, heating, and drinks dispense, suitable for original equipment manufacturers and supplied in bulk quantities.

Conclusion
John Guest Cartridge Systems provide a reliable and efficient method for securing tubes in a wide range of applications, supported by a commitment to quality and continuous product development.

Specifications
The document details specifications for Irish and Imperial tube dimensions in millimeters and inches, including data for metal and plastic half cartridges, specifying dimensions like outer diameter (OD) and other measurements.

Procedures
Instructions for making and disconnecting connections are outlined. For metal tubes, it is advised to remove burrs and chamfer tube ends to prevent damage to the 'O' ring seal. For plastic tubes, a tube insert is recommended. The document emphasizes ensuring the tube is pushed to the stop and checking the system before use.

Working Temperatures and Pressures
The document specifies operating temperatures and pressures for John Guest Cartridges and Half Cartridges, noting that these depend on factors like housing material and tube type, advising testing for specific applications.

Housing Materials
Plastic half cartridges are recommended for use with plastic and soft metal housings. Hard metal tubes are not recommended for use with these cartridges.

Installation and System Testing
Emphasizes the importance of keeping products clean and undamaged before use, and pressure testing installations to ensure system integrity.

Cleaners and Sanitising
Advises using cleaners and sanitising agents with a pH above 4 and low hypochlorite levels for acetal fittings, followed by thorough rinsing with clean water.

Product Design and Warranty
John Guest reserves the right to amend product specifications and designs. A warranty is provided against defects, but it is the specifier's responsibility to ensure suitability for applications.

Product Selection and Side Loads
Users are responsible for ensuring correct product selection through testing. Connections should not be subjected to excessive side loads.

Technical Specification
Details tube tolerances for different sizes and materials, specifying acceptable tolerances in inches and millimeters, and provides temperature and pressure ratings for different cartridge types.

John Guest® Cartridge Systems Catalogue

John Guest® Cartridge Systems Catalogue

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