John Guest Drinks Grey Acetal Adaptor Female Thread NPTF

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Useful Information

Technical Specification

  • Materials:
    • Body: Acetal Copolymer (Unfilled)
    • O-Ring: Nitrile Rubber (Black)
    • Collet: Acetal Copolymer (Unfilled)
    • Collet Teeth: 301 Stainless Steel
    • Thread Seal: Ethylene Propylene Diene Terpolymer (EPDM)
  • Working Pressure: 16 bar (7 bar at 65°C)
  • Working Temperature: 1°C to 65°C
  • Thread Type: Female US NPTF (National Pipe Taper Fuel)
  • Tube Compatibility: LLDPE, polyethylene, nylon, polyurethane and soft metal tubes.
  • Food-grade Material: Suitable for use with foodstuffs and potable liquids.
  • Features: Instant push-fit leak-tight connection that is fully demountable.
  • Manufacturing: Manufactured and assembled in the UK by John Guest.
  • Approvals: WRAS approved and BSI Kitemark certified.

Description

This fitting converts an imperial push-fit tube connection to a female NPTF threaded interface. It is ideal for pub and bar installations using US specification equipment requiring NPTF connections. This adaptor provides a clean transition from beer or beverage tubing to male NPTF threaded components such as regulators, pumps, chillers or dispense assemblies. The flat end design ensures a secure threaded engagement while maintaining compact installation geometry in cellar environments.

Manufactured from grey acetal copolymer with a nitrile O-ring, the fitting delivers an airtight connection with strong flow characteristics. It is suitable for foodstuffs, potable liquids and inert gases. In accordance with the British Beer and Pub Association Code of Practice, it can be used on N2, CO2 and mixed gas dispense lines, as well as air, pneumatic and vacuum systems.

The push-fit side creates an instant leak tight seal without tools, hot works or sealing agents. The secure collet design helps prevent accidental disconnection while retaining the tube without restricting internal bore, supporting consistent pressure and pour performance in drinks dispense systems. Fully demountable, it enables efficient maintenance and straightforward equipment replacement.

Key Features & Benefits

  • Female NPTF flat end connection: Converts imperial push-fit tube to female NPTF threaded equipment.
  • Push-fit tube side: Tool-free installation with immediate leak tight sealing.
  • Ideal for drinks dispense systems: Suitable for beer lines, beverage feeds and gas connections in pubs and bars.
  • Airtight performance: Nitrile O-ring supports reliable sealing in beverage and gas applications.
  • Secure collet retention: Holds tubing firmly without restricting flow.
  • Fully demountable: Allows quick servicing and easy system upgrades.

Dimensions

Product Code Manufacturer Code Size A
(Tube O/D)
B C D E F G H
 382021 PI450822S 1/4" x 1/4" 0.250" (6.35mm) 1.26" (32.0mm) 0.62" (15.7mm) 0.58" (14.8mm) 0.59" (15.0mm) 11/16" (17.5mm) 0.21" (5.3mm) 0.75" (19.1mm)
382022 PI451222S 3/8" x 1/4" 0.375" (9.53mm) 1.40" (35.7mm) 0.78" (19.7mm) 0.58" (14.8mm) 0.78" (19.8mm) 11/16" (17.5mm) 0.30" (7.6mm) 0.75" (19.1mm)

Downloads

JG Drinks Grey Acetal Female Adaptor (NPTF Thread) Data SheetJG Drinks Grey Acetal Female Adaptor (NPTF Thread) Data Sheet
Product Datasheet
John Guest Drinks Dispense & Pure Water Product GuideJohn Guest Drinks Dispense & Pure Water Product Guide
Product Guide
John Guest Drinks Dispense & Pure Water Technical SpecificationJohn Guest Drinks Dispense & Pure Water Technical Specification
Technical Specification

IMPORTANT: The technical data given on this website is for preliminary information purposes only and is published without guarantee. All line drawings are for illustrative purposes only and should not be regarded as wholly accurate in every detail. We reserve the right to withdraw or to alter the specification of any product without notice. For more information, please consult our Terms of Business.

If you require any further information, our excellent customer service team is here to help so please call us on 01794 835835.

 

Grouped product items
Code Product Name List Price You Save You Pay Quantity
382021 JG DD Grey Female Adaptor NTPF 1/4" x 1/4" £3.96 50%
You Pay:  £1.98
382022 JG DD Grey Female Adaptor NPTF 3/8" x 1/4" £3.74 50%
You Pay:  £1.87