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Your cart is empty.Victor 0781-0584 SR460A-510 Regulator is recommended for applications where slight delivery pressure increases (due to decreasing cylinder pressures) would not affect the performance characteristics of the work or test results. It is for high capacity gas service applications. This regulator has been designed and constructed of a forged brass body and housing cap, 2-1/2" brass gauges, stem type seat mechanism, 3-1/4" diaphragm stainless steel, a delrin cap bushing for smooth adjustments, an external self reseating relief valve on HP Models not designed to protect downstream apparatus and a sintered inlet filter. The performance features are a maximum inlet 3000 PSIG and a delivery range 2-15.
Steve Cahill
Reviewed in the United States on February 17, 2024
Arrived properly packed, in the manufacturer's box and overpacked with the vendor's box, seems like reasonable shock absorbing. But see the picture. Note that the tip of the indicator needle is on the wrong side of the zero-stop pin. Lots of choices out there for welding regulators, I chose Victor because I wanted zero problems; this is a work tool and I want to spend my time working, not fixing the tool. A stuck indicator gauge is not that. And, specific to this being an acetylene pressure gauge, acetylene is unstable at pressures much above 15psi, so the regulator should never, ever, be set above 15psi. I connected up the system and adjusted the regulator to the maximum cranks on the adjustment, trying to get "pressure" on the gauge, and of course, because the needle was trapped, it stayed indicating zero. Then I noticed that the pin was on the wrong side of the peg. What was the actual pressure? Very large, no doubt well above 15psi at the maximum adjustment, but of course reading zero. I am so glad that the excess pressure didn't result in an acetylene destabilization incident. You should stop selling this gauge and fix it; make the zero-stop pin longer so that normal handling impact doesn't allow the indicator needle to bounce up and past the pin. Make the indicator needle stiffer, maybe. Or perhaps these units were made incorrectly and never tested?? Whatever it takes. Fix it. Hypothetically, there's an incident coming because someone else isn't as lucky as me, or it is a hot day when they are working on their welding setup. Or there is a mechanical shock (yeah, don't tap that gauge to try to get the regulator or needle to unstick if it has real high psi of acetylene behind it) there's risk of human injury, equipment damage, impact injury or fire from a percussively-disassembled system that's releasing acetylene from a blown-apart regulator. Stop. Think. Do the right thing.
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