John Guest Drinks Grey Acetal End Stop

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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
 

Description

This end stop is designed to cap off unused imperial pipework safely and securely within drinks dispense and water treatment systems. It provides a clean and reliable method of terminating beer, beverage or gas lines, whether on a temporary basis during maintenance or as a permanent system endpoint. The fitting features a standard John Guest push-fit collet assembly on one side, complete with stainless steel grip teeth and a nitrile O-ring. When tubing is inserted, the collet locks securely in place while the O-ring creates an immediate leak-tight seal.

The opposite end is solid and fully blanked, forming a secure termination to the line. This end stop is commonly used in pub cellars and bar installations to isolate unused pipework, seal future expansion points or safely decommission redundant lines. Its compact design supports tidy, organised installations while maintaining full system pressure integrity.

Manufactured from strong grey acetal copolymer, the fitting offers durable mechanical performance and superior flow sealing characteristics. It is suitable for potable liquids, food grade liquids and inert gases. In accordance with the British Beer & Pub Association Code of Practice, it can be used on N2 CO2 and mixed-gas dispense lines, as well as on air, pneumatic, and vacuum systems up to 16 bar for air.

Key Features & Benefits

  • Secure termination: Caps unused imperial pipework safely.
  • Push-fit collet connection: Tool-free installation with instant leak-tight seal.
  • Blanked outlet: Solid end ensures reliable line isolation.
  • Stainless steel grip teeth: Secure pipe retention without distortion.
  • Food grade suitability: Suitable for potable liquids and beverage systems.
  • Gas compatible: Appropriate for CO2, nitrogen and mixed gas lines.
  • Fully demountable: Supports temporary or permanent system changes.

Dimensions

Product Code Manufacturer Code Size A
(Tube O/D)
B C D
382038 PI4608S 1/4" 0.250" (6.35mm) 18.9mm 15.7mm 15.0mm
 382039 PI4612S 3/8" 0.375" (9.53mm) 21.7mm 19.7mm 19.8mm

Downloads

JG Drinks Grey Acetal End Stop Data SheetJG Drinks Grey Acetal End Stop 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
382038 JG DD Grey End Stop 1/4" £1.44 50%
You Pay:  £0.72
382039 JG DD Grey End Stop 3/8" £1.70 50%
You Pay:  £0.85