John Guest Drinks Grey Acetal Stem x Hose Tail

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Useful Information

Technical Specification

  • Material: Acetal Copolymer (Unfilled)
  • Working Pressure: 16 bar (7 bar at 65°C)
  • Working Temperature: 1°C to 65°C
  • Push Fit: Stem adaptor fits directly into other JG Pushfit Fittings
  • Food-grade Material: Suitable for use with foodstuffs and potable liquids.
  • Features: Instant 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

Designed to convert a John Guest push-fit connection into a secure barbed hose connection, this fitting is commonly used in pub cellar and bar installations where tubing needs to transition into flexible hose assemblies. Unlike standard push-fit fittings with an integrated collet, this adaptor features an imperial stem. The stem inserts directly into a compatible John Guest push-fit fitting, effectively acting as a short section of tube. Once inserted, the push-fit fitting provides the sealing mechanism, creating a reliable, leak-tight joint.

The opposite end incorporates a barbed hose tail designed to grip flexible hose securely when used with an appropriate hose clip. This makes it ideal for connecting beer lines, gas feeds or beverage tubing to hose assemblies, pumps, or specialist dispense equipment.

Manufactured from rigid grey acetal copolymer, the adaptor provides strong mechanical performance and excellent flow characteristics without internal bore restriction. It is suitable for potable liquids, food grade 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 applications.

Fully demountable when used with a compatible push-fit fitting, the adaptor supports fast installation, system modification and reduced downtime in busy commercial environments. All John Guest fittings are manufactured and assembled in the UK.

Key Features & Benefits

  • Imperial OD stem: Inserts directly into John Guest push-fit fittings.
  • Barbed hose tail: Provides a secure connection to flexible hose assemblies.
  • Rigid acetal construction: Delivers strength and long service life.
  • Tool-free integration: Push-fit stem side requires no sealing agents.
  • Superior flow characteristics: Maintains full bore without restriction.
  • Drinks dispense ready: Suitable for beer, beverage and gas systems.
  • UK manufactured: Produced and assembled to consistent quality standards.

Dimensions

Product Code Manufacturer Code Size A
(Stem O/D)
B C D E F G
382040 PI250806S 1/4" x 3/16" 1/4" (6.3mm) 0.207" (5.3mm) 0.51" (13.0mm) 1.65" (41.8mm) 0.71" (18.0mm) 0.82" (20.8mm) 0.08" (2.0mm)
382041 PI250808S 1/4" x 1/4" 1/4" (6.3mm) 0.270" (6.9mm) 0.51" (13.0mm) 1.65" (41.8mm) 0.71" (18.0mm) 0.82" (20.8mm) 0.14" (3.5mm)
382042 PI250810S 1/4" x 5/16" 1/4" (6.3mm) 0.346" (8.8mm) 0.59" (15.0mm) 1.65" (41.8mm) 0.71" (18.0mm) 0.82" (20.8mm) 0.18" (4.5mm)
382043 PI251006S 5/16" x 3/16" 5/16" (8.0mm) 0.207" (5.3mm) 0.51" (13.0mm) 1.69" (42.9mm) 0.75" (19.1mm) 0.82" (20.8mm) 0.08" (2.0mm)
382044 PI251008S 5/16" x 1/4" 5/16" (8.0mm) 0.270" (6.9mm) 0.51" (13.0mm) 1.69" (42.9mm) 0.75" (19.1mm) 0.82" (20.8mm) 0.14" (3.5mm)
382045 PM250808S 5/16" x 5/16" 5/16" (8.0mm) 0.346" (8.8mm) 0.59" (15.0mm) 1.69" (42.9mm) 0.75" (19.1mm) 0.82" (20.8mm) 0.22" (5.5mm)
382046 PI251012S 5/16" x 3/8" 5/16" (8.0mm) 0.393" (10.0mm) 0.71" (18.0mm) 1.85" (46.9mm) 0.75" (19.1mm) 0.98" (24.8mm) 0.22" (5.6mm)
382047 PI251208S 3/8" x 1/4" 3/8" (9.5mm) 0.270" (6.9mm) 0.51" (13.0mm) 1.81" (46.0mm) 0.87" (22.2mm) 0.82" (20.8mm) 0.14" (3.5mm)
382048 PI251210S 3/8" x 5/16" 3/8" (9.5mm) 0.346" (8.8mm) 0.59" (15.0mm) 1.81" (46.0mm) 0.87" (22.2mm) 0.82" (20.8mm) 0.22" (5.5mm)
382049 PI251212S 3/8" x 3/8" 3/8" (9.5mm) 0.394" (10.0mm) 0.71" (18.0mm) 1.96" (49.7mm) 0.87" (22.2mm) 0.96" (24.5mm) 0.26" (6.5mm)
382050 PI251216S 3/8" x 1/2" 3/8" (9.5mm) 0.522" (13.3mm) 0.71" (18.0mm) 1.97" (50.0mm) 0.87" (22.2mm) 0.98" (24.8mm) 0.26" (6.5mm)
382051 PI251612S 1/2" x 3/8" 1/2" (12.7mm) 0.393" (10.0mm) 0.71" (18.0mm) 2.10" (53.4mm) 1.01" (25.6mm) 0.98" (24.8mm) 0.26" (6.5mm)
382052 PI251616S 1/2" x 1/2" 1/2" (12.7mm) 0.522" (13.3mm) 0.71" (18.0mm) 2.10" (53.4mm) 1.01" (25.6mm) 0.98" (24.8mm) 0.39" (9.9mm)

Downloads

JG Drinks Grey Acetal Tube to Hose Stem Adaptor Data SheetJG Drinks Grey Acetal Tube to Hose Stem Adaptor 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
382040 JG DD Grey Stem to Hose Tail 1/4" x 3/16" £1.56 50%
You Pay:  £0.78
382041 JG DD Grey Stem to Hose Tail 1/4" x 1/4" £1.74 50%
You Pay:  £0.87
382042 JG DD Grey Stem to Hose Tail 1/4" x 5/16" £1.54 50%
You Pay:  £0.77
382043 JG DD Grey Stem to Hose Tail 5/16" x 3/16" £1.36 50%
You Pay:  £0.68
382044 JG DD Grey Stem to Hose Tail 5/16" x 1/4" £1.94 50%
You Pay:  £0.97
382045 JG DD Grey Stem to Hose Tail 5/16" x 5/16" £2.16 50%
You Pay:  £1.08
382046 JG DD Grey Stem to Hose Tail 5/16" x 3/8" £2.14 50%
You Pay:  £1.07
382047 JG DD Grey Stem to Hose Tail 3/8" x 1/4" £2.74 50%
You Pay:  £1.37
382048 JG DD Grey Stem to Hose Tail 3/8" x 5/16" £2.54 50%
You Pay:  £1.27
382049 JG DD Grey Stem to Hose Tail 3/8" x 3/8" £2.84 50%
You Pay:  £1.42
382050 JG DD Grey Stem to Hose Tail 3/8" x 1/2" £3.06 50%
You Pay:  £1.53
382051 JG DD Grey Stem to Hose Tail 1/2" x 3/8" £3.16 50%
You Pay:  £1.58
382052 JG DD Grey Stem to Hose Tail 1/2" x 1/2" £3.70 50%
You Pay:  £1.85