John Guest Drinks Grey Acetal Reducing Bulkhead Connector

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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
  • Working Pressure: 16 bar (7 bar at 65°C)
  • Working Temperature: 1°C to 65°C
  • 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.
  • John Guest Part Number: PI121208S

Description

Designed for connecting unequal sized tubing through walls, panels or partitions, this fitting provides a secure method of routing pipework between spaces while also reducing tube size in the same fitting. Bulkhead fittings are commonly used in drinks dispense installations where beer lines, gas lines or water feeds need to pass through cellar walls, refrigeration panels, python trunking or equipment housings. The integrated threaded bulkhead body allows the fitting to be mounted securely through a panel while maintaining sealed push-fit connections on both sides.

The reducing configuration enables transitions between different tubing sizes without adding extra couplings. This is particularly useful when connecting equipment with smaller inlet connections or when stepping down from main supply lines to smaller branch feeds.

Each side of the connector incorporates John Guest push-fit technology, allowing fast installation without tools, hot works or sealing agents. The collet locking mechanism with stainless steel grip teeth holds tubing securely without deformation, while nitrile O-rings provide a reliable airtight seal. Manufactured from grey acetal copolymer, the fitting offers strong mechanical performance and resistance to scale build-up. It is suitable for potable liquids, food grade applications and inert gases. In accordance with the British Beer & Pub Association Code of Practice, it can be used with N2, CO2 and mixed gas systems as well as air, pneumatic and vacuum applications.

Key Features & Benefits

  • Reducing bulkhead design: Connects different tube sizes through walls or panels
  • Panel mounting capability: Secure installation through partitions and equipment housings
  • Push-fit connections: Tool-free installation with immediate leak-tight seal
  • Secure collet grip: Stainless steel teeth hold tubing without deformation
  • Food and gas compatible: Suitable for potable liquids, N₂ and CO₂ systems
  • Superior flow characteristics: Maintains consistent system performance
  • Fully demountable: Enables quick servicing and pipework modification

Dimensions

Downloads

JG Drinks Grey Acetal Reducing Bulkhead Data SheetJG Drinks Grey Acetal Reducing Bulkhead 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
381933 JG DD Grey Reducing Bulkhead Adaptor 3/8" x 1/4" £6.66 50%
You Pay:  £3.33