What is GASTEC QA
QA approval requirements
Kiwa uses the GASTEC QA approval requirement, which sets out the requirements for the product. Below you'll find all the approval requirements, sorted by pipes, connections, valves and remaining.
Available approval requirements for Pipelines:
- Bendable hose assemblies (AR 1)
- Copper tubes (AR 5)
- Bendable gas meter connection tubes (AR 7)
- Polyethylene pipes for carrying gaseous fuels (AR 8)
- Pipes of high-impact polyvinylchloride (AR 10)
- Flexible hose assemblies (AR 34)
- Rubber hose with reinforcements (AR 43)
- External PE Coating of steel pipes and fittings for buried pipelines (AR 50)
- Prefab indoor pipes (AR 172)
- Corrugated stainless steel piping systems for indoor gas installations (AR 197)
- Multilayer piping systems for indoor gas installations (AR 198)
- Corrugated metal hoses (AR 206)
- Pipes of oriented plasticized PVC (AR 207)
- Plastic corrugated protection pipe (AR 211)
- Multilayer piping systems for outdoor gas installation (AR 212)
Available approval requirements for Couplings:
- Plumbing fittings with ends for capillary soldering, capillary brazing and/ or threaded connections (AR 6)
- Steel pipes for welding or threading (AR 15)
- Compression fittings for joining copper pipes (AR 35)
- Saddles with clamp connection of modified poly(vinyl chloride) (PVC-HI) (AR 58)
- Mechanical fittings for plastic piping systems (AR 70)
- Metal fittings for the connection of metal pipes (AR 91)
- Insulation union couplings in gas conduits (AR 154)
- Self-closing gas valves (AR 168)
- Press fittings for joining copper pipes (AR 186)
- Electrofusion fittings and saddles made from Polyethylene (PE) (AR 200)
- Ductile cast iron wide range fittings for use with pipes of different materials (AR 208)
- Steel press fittings for steel pipes (AR 209)
- Transition fitting for flexible and bendable hoses assemblies (AR 213)
- Stainless steel press fittings for stainless steel piping systems (AR 215)
Available approval requirements for Valves & Taps:
- Valves for gas distribution systems with a maximum operation pressure less than or equal to 16 bar (AR 52)
- Metal connection taps and laboratory taps for installations inside buildings (AR 69)
- Manually operated ball valves & closed bottom taper plug valves for gas installations for buildings (AR 69-1)
- Polyethylene (PE) valves for plastic piping systems for the supply of gaseous fuels (AR 136)
- POM gate valves installed in underground PE pipelines (AR 137)
Remaining Available approval requirements:
- Gas pressure regulators, gas leak protectors and combination regulators (AR 11)
- Sealing materials for metallic threaded joints.Part 1: anaerobic jointing compounds (AR 31-1)
- Sealing materials for metallic threaded joints. Part 2: Non-hardening jointing compounds (AR 31-2)
- Sealing materials for metallic threaded joints. Part 3: Unsintered PTFE (AR 31-3)
- Elastomeric seals (AR 81)
- External coatings for the corrosion protection of buried or immersed pipelines and joints (AR 87)
- Foam producing solution for leak detection (AR 120)
- Metal gas meter brackets (AR 165)
- Maximum flow rate safety valves (AR 191)
- Elastomeric seals in gas appliances and gas installations (AR 192)
- Equipment for temporarily closing of gas pipes (AR 194)
- Gas stoppers for gas distribution systems (AR 210)
- Suitability for hydrogen gas (AR 214)
