Your large victor dual stage is a VTS-450. Victor, Smith, Harris and most others have different valve seats according to the gas. For example a VTS-450 has a seat for oxygen with PN 0740-0131. For acetylene the seat is 0740-0101. Search “Victor 56-0654” which shows a parts diagram and seats for each gas. I’m not sure what’s different between the seats. If I find out I'll pass it along.
@nicholasbratzler
4 ай бұрын
A 2 stage regulator is for heavy industrial use where a fixed psi is needed i.e. cnc oxyacet table. As your pressure in the bottle decreases on a 1 stage regulator it will vary with the pressure in tank cause the pressure in the tank is pushing back the diaphragm as it decreases the output will actually increase. A 2 stage busts the tank pressure down from bottle pressure t let's say around 150 psi then it goes to the other side and is regulated to your desired pressure for a hand torch it's not necessary at all
@tdm8817
4 ай бұрын
Who said anything about it being necessary, but it Shure is nice
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