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JG SpeedFit
 
Introduction
Catalogue Download
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  Introduction --JG

 

 

John Guest ®

 

WORLDWIDE CONNECTIONS

The John Guest Group is the world's largest manufacturer of push-in fittings for a diverse range of applications and situations. The company's 300,000 sq ft manufacturing centres at Group Headquarters close to Heathrow Airport and at Maidenhead in Berkshire are some of the best-equipped units of their kind in the world, with a considerable and continuing programme of investment in plant and equipment.

John Guest is truly international with the John Guest Family of Companies supporting a network of distributors and stockists in over 50 countries. Exports account for 60% of sales.

 

  Quality  

It is this commitment to quality that has led to John Guest receiving awards from many of the world's most respected testing and approvals organizations.

The company has been registered to ISO9001 since 1989 and is a preferred supplier to many leading international companies.

 

25 Year Guarantee  

As a result of its long term test programmes and rigorous quality standards John Guest Speedfit Limited offer a 25 year guarantee against defects in materials or manufacturing of ¡¥PEM' range plumbing fittings and Speedfit Barrier Pex Pipe manufactured by John Guest.

John Guest Underfloor Heating Products, which should be installed and maintained in accordance with our recommendations, carry a 2 year guarantee against defects in materials and manufacture.

John Guest Plumbing and Heating Products are for use with normal UK domestic plumbing and heating systems and supplied in accordance with our Conditions of Sale.

 

THE PUSH-FIT SOLUTION FOR

PLUMBING AND HEATING SYSTEM

JG Speedfit is a push-fit system suitable for the plumbing of normal domestic hot and cold water services and central heating applications, including pressurized and combi systems.

Speedfit Fittings have been designed for use with both Speedfit and copper pipe, in diameters of 10mm to 28mm . They are approved by the British Board of Agrement and Water Regulations Advisory Scheme. Speedfit ¡¥PEM' fittings and PEX and Polybutylene Barrier Pipe are Kitemarked to BS7291 Parts 1 and 3 Class S Licence No KM39767.

Speedfit fittings and barrier pipe offer a complete system of plastic plumbing. They are manufactured to comply with BS7291 Parts 1 and 3 Class S.

Performance specifications are well within those required for most normal domestic central heating and water supply systems including:

•   

Mains fed and indirect cold water systems

 

•   

Vented and unvented hot water systems

 

•   

Vented central heating systems

 

•   

Sealed central heating systems provided

temperatures and pressures comply with

BS7291 Parts 1 and 3 Class S

 

•   

Underfloor heating

 

Extensive test have shown that Speedfit products will withstand temperatures and pressures well in excess of normal working conditions.

JG Speedfit should be installed to conform with good plumbing practice.

British Gas Service has accepted the John Guest Speedfit System as being suitable for open vented and sealed central heating systems and as eligible for acceptance onto its service contracts.

 

 

Standards and Affiliations

 

Systems Features

•  All white system
•  Truly demountable without damage to pipe or fitting
•  Grip and seal connection
•  Superseal Insert gives secondary seal
•  Reduced pipe insertion force
•  Lightweight and easy to handle on site

 

Systems Benefits

•  Installation time reduced by up to 40%
•  Pipe flexibility permits the cabling of pipe through less accessible areas
•  No risk of fire or flames from a blowtorch
•  Easier to work in confined places
•  A permanent leak-proof connection
•  Corrosion free
•  No scale build up
•  Lower thermal diffusivity maintains safer surface temperature
•  Pipe elasticity can reduce the possibility of bursting under freezing conditions
•  Lead free and non toxic
•  Less noise from water flow and expansion/contraction
•  Long pipe lengths reduce fittings required

 

Special Applications

 

Boats. The flexibility of the Speedfit System ensures it can be cabled easily around the interior and hidden from view.
Caravans. Speedfit is ideal for caravan installations due to its flexibility and its resistance to corrosion and freezing.
Exhibitions. The unique ability of the Speedfit System to be easily demounted and reused, together with its flexibility, makes Speedfit ideal for this application.
Agricultural and Horticultural. Speedfit has many applications in agricultural and horticultural environments.
Portable Buildings (site cabins, toilets). As with caravans, Speedfit is well suited to this application.

 

Working Temperatures and Pressures

 

Application

Usual working temperature, ¢J

Maximum working temperature, ¢J

Maximum working pressure, bar  

Cold Water (indirect and direct mains)

20

20

12

Central Heating

82

105, short term malfunction at 114

3

Hot Water
(including unvented cylinders)

65

95

6

Speedfit fittings suitable for central heating systems can withstand temperatures up to 114¢J intermittently for short periods.

Speedfit fittings shown as not suitable for central heating systems are used primarily on the domestic hot and cold water system accepting temperatures of up to 65¢J .

 

Handling Fittings and Pipe

Ensure fittings and pipe are kept clean at all times by keeping them in bags and boxes provided.
Do not empty Speedfit Products onto the floor area.
Ensure internal ¡¥O' Ring seals are kept free from dirt and debris.
To remove pipe from the bag, use a Band Cutter (Part no JGBANDCUTTER) rather than an open blade.

 

Product Selection and Installation

John Guest fittings and related products are specifically designed and manufactured by John Guest to the Technical Specifications set out in the John Guest Product Catalogues. All John Guest fittings and related products should be selected, installed, used and maintained in accordance with these Technical Specifications. It is the customer's / user's responsibility to ensure that John Guest fittings and related products are suitable for their intended applications, are properly installed and maintained and are used in accordance with the Technical Specifications. It is also the customer's / user's responsibility to provide it's own customers with any relevant technical information about John Guest products it supplies them.

Speedfit should not be used for gas, fuel oil or compressed air applications.

John Guest produce a push fit system of pipe and fittings for compressed air situations. See separate literature for details.

Further Information and Details

For further information and details of Speedfit products, please click the ¡§ Catalogue Download ¡¨ or feel free to contact us (see ¡§ Contact Us ¡¨ for details).

 

 

 
 Catalogue Download