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Conex B Press Gas

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B Press Gas, 3 Point Press for Gas Applications

Conex >B< Press Gas fittings for natural gas and LPG application are identified by a yellow coloured o-ring. >B< Press Gas is a versatile press fitting system for use with hard, half-hard and soft copper tube, providing a secure, long-life, leak-proof joint. They are available in Copper and Red Brass and are suitable for use with copper tube to EN 1057.

Our >B< Press Gas is installed, with a mechanical press tool with a compatible jaw with a >B< profile to fit each size of fitting required. When pressure is exerted through the press tool the joint is permanently made and the fitting cannot be dismounted or re-used.

The >B< Press Gas system eliminates the need for solder, adhesives or additional jointing materials. The >B< profile has the advantage of a 3 Point Press, two mechanical presses either side of the bead and one hydraulic press crimping the o-ring. This provides a more secure joint.

Pressing Indicator Feature

IBP has developed a unique pressing indicator, a specially designed EPDM O-ring. It has a reduced section in two positions causing leaks at low pressures when not pressed (from 0.1 to 5.0 bar). When the fitting is pressed, the o-ring material compresses, filling the gaps, securing a leak-free path.

Therefore there is no need to go to full test pressure to check that all fittings have been pressed. This >B< Press Gas feature is available in fittings sized 15-54mm and suitable for hot and cold water applications.

Hydraulic working temperatures and pressures for water and gas

Hydraulic working temperatures and pressures for water and gas:


Pressure (bar)







Gas Installations DVGW - TRGI 1986/96


-20°C to +70°C

Gases according to DVGW G260

Liquid Gas installations


-20°C to +70°C

Gases according to DVGW G260

Fuel oil installations


-20°C to +40°C


Maximum Working Temperatures and Pressures for Water and Gas Applications

Features and Benefits:

>B< Profile 3 point press ensures a leak free, secure and permanent joint*.

>B< Press Gas has a high quality coloured o-ring that forms a secure leak free joint when pressed.

Flame free for ensuring no hot works and on site safety.

Available in sizes 12mm to 108mm and 12mm to 54mm.

>B< Press Gas fitting is quick and simple to install, saving time and money.

Available in copper and red brass fittings.

Manufactured and designed to BS 8537 copper tube press fittings.

Suitable for use with hard, half-hard and soft copper tubes to EN 1057.

Leading edge design ensures the chances of damaging the O-Rings are reduced during assembly.

>B< Press Gas fittings and press tools are compatible with various press tools and jaws.

Fittings are available in a number of different sizes.

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