Camper van conversion gas fittings comprise the essential brass compression connectors, copper olives, and threaded components needed to safely connect 8mm copper pipes to appliances and manifolds in your self-build van. These fittings include straight couplers, 90-degree elbows, equal tees, stop ends, and test points that connect your gas bottles to hobs, heaters, and fridges through certified copper pipework. Professional-grade brass fittings with soft copper olives comply with BS EN 1949:2021 regulations and create gas-tight seals when properly installed by competent individuals.
Most van converters use 8mm copper pipe systems with compression fittings sized for domestic appliances, though some larger motorhomes require 10mm systems. The brass construction resists corrosion whilst the compression design allows for easy maintenance and modification during your conversion project. Each fitting includes the necessary compression nut, brass body, and soft copper olive to create secure connections rated for LPG pressures up to 37mbar on the low-pressure side of your regulator.
These fittings connect directly to steel appliance inlets using appropriate jointing compound, with many van converters preferring WADE-specification fittings for their superior soft copper olives. Installation requires basic pipe-fitting skills and appropriate spanners, though the brass construction can crack under excessive torque - typically requiring just 1.5 turns beyond hand-tight for proper sealing. Professional gas engineers recommend pressure testing any DIY installation to 150mbar for 10 minutes with no more than 10mbar pressure drop to ensure compliance with current safety standards. Please ensure that before using any DIY installations, you have it signed off by a GAS Safety engineer.
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Frequently Asked Questions
What size gas fittings do I need for my camper van conversion?Most camper van conversions use 8mm copper pipe with matching 8mm compression fittings. This size handles the gas flow requirements for typical van appliances like hobs, heaters and fridges. Larger motorhomes sometimes require 10mm systems, but 8mm fittings are the standard for self-build conversions and connect directly to most domestic camping appliances.Are brass compression fittings suitable for LPG gas systems?Yes, brass compression fittings are specifically designed for LPG systems and are approved under BS EN 1949:2021 regulations. The brass construction resists corrosion from LPG whilst the soft copper olives create gas-tight seals. These fittings are rated for the pressures found in low-pressure gas systems (up to 37mbar) and are the preferred choice for professional gas engineers working on camper van installations.How tight should I make compression gas fittings?Tighten compression fittings hand-tight first, then use two spanners to turn an additional 1.5 turns maximum. Over-tightening can crack the brass fitting or damage the copper olive, creating leaks. The soft copper olive should compress to form the seal without excessive force. Always use two spanners - one to hold the fitting body and one to turn the compression nut.Can I connect copper pipes directly to steel appliance inlets?Yes, brass compression fittings with soft copper olives will seal effectively to both copper pipes and steel appliance inlets. Apply jointing compound or gas-safe PTFE tape to the male threads when screwing into appliance inlets. The compression design accommodates the different materials whilst maintaining a gas-tight seal rated for LPG pressures.Do I need WADE specification fittings for my camper van?WADE fittings are recommended by Gas Safe engineers because they feature superior soft copper parallel olives that create better seals than standard compression fittings. Whilst any BS-compliant brass compression fitting will work, WADE fittings offer enhanced reliability for critical gas connections. They're particularly valuable for connecting to appliances where leak-tight performance is essential for safety.What's included in a typical gas fitting for camper vans?A standard compression gas fitting includes three components: the brass fitting body (straight, elbow, or tee configuration), the compression nut, and the soft copper olive. The olive sits between the pipe and fitting body, compressed by the nut to create the gas-tight seal. Some fittings come with spare olives as they cannot be reused once compressed.How do I test gas fittings for leaks after installation?Pressure test your gas system to 150mbar using a manometer, then wait 5 minutes before taking the first reading. After another 5 minutes, check again - the pressure drop must not exceed 10mbar to meet BS EN 1949:2021 standards. Use leak detection fluid (not washing-up liquid) to check individual fittings. Any system with more than 10mbar pressure drop indicates a leak that must be fixed before use.
Please ensure that before using any DIY installations, you have it signed off by a GAS Safety engineer.Can I reuse compression fittings and olives?Brass compression fittings can be reused if undamaged, but copper olives must be replaced each time you disconnect a fitting. The compression process deforms the soft copper olive permanently to create the seal. Always inspect fittings for cracks or damage before reuse, and replace any that show signs of over-tightening or corrosion.
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