Hi all,
I’ve come full circle on google, emailed manufactures/sellers with no successful response, in process, luckily came across this forum. As much of the information found has been is contradictory including use of copper (more so brass for fittings), galvanized and stainless steel
Handed a nitrogen generator and 5 x 500 litre galvanized receivers to feed multiple pigging systems within a modern EX (liquid solvent) factory that creates cleaning products.
In a nutshell, what material should my pipework be? (ideally brass + galvanized/ stainless steel)
More detail:
UK based. Max used pressure 6 bar
The pigging system is already in place is stainless steel, I’m simply just supplying the nitrogen inlet.
Going to use a ≥30mm solid pipe as a manifold line, teeing off ≥12mm solid pipes. With flexi to the generator, receivers and Inlets on flexi
I was looking at sicomat pipework (here), antistatic coated aluminum with nylon fittings. In my experience nylon can hold static charge, but learnt of Nylon types (PA6, PA12 etc) apparently PA6 is anti static, but again waiting for manufacturers/sellers to get back. Another issue with insulated fittings; I’ll have to earth across each one.
Flexi will be either NBR (compatibility charts) or “legris advanced polyamide calibrated" (what the manufacturer has used in the generator) Pretty sure it’s just PA12 tubing. So will have to be placed outside the EX zone.
Copper can not be used, as it creates CuN2 / CuN3 which is rapid oxidation. Which will affect the products.
I’ve come full circle on google, emailed manufactures/sellers with no successful response, in process, luckily came across this forum. As much of the information found has been is contradictory including use of copper (more so brass for fittings), galvanized and stainless steel
Handed a nitrogen generator and 5 x 500 litre galvanized receivers to feed multiple pigging systems within a modern EX (liquid solvent) factory that creates cleaning products.
In a nutshell, what material should my pipework be? (ideally brass + galvanized/ stainless steel)
More detail:
UK based. Max used pressure 6 bar
The pigging system is already in place is stainless steel, I’m simply just supplying the nitrogen inlet.
Going to use a ≥30mm solid pipe as a manifold line, teeing off ≥12mm solid pipes. With flexi to the generator, receivers and Inlets on flexi
I was looking at sicomat pipework (here), antistatic coated aluminum with nylon fittings. In my experience nylon can hold static charge, but learnt of Nylon types (PA6, PA12 etc) apparently PA6 is anti static, but again waiting for manufacturers/sellers to get back. Another issue with insulated fittings; I’ll have to earth across each one.
Flexi will be either NBR (compatibility charts) or “legris advanced polyamide calibrated" (what the manufacturer has used in the generator) Pretty sure it’s just PA12 tubing. So will have to be placed outside the EX zone.
Copper can not be used, as it creates CuN2 / CuN3 which is rapid oxidation. Which will affect the products.
