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What is better for LG-40 steel grit– Pinch valves or Thompson?

QuestionsCategory: Abrasive BlastingWhat is better for LG-40 steel grit– Pinch valves or Thompson?
Anonymous asked 5 years ago
0 Answers
Brett Staff answered 5 years ago

For course steel abrasives (such as LG-40 steel grit), we have found that the economical valves to use are the pinch tube valves. This valve is available in two configurations, the MPV manual pinch tube and the PVR Pinch Tube Grit valve. 
The Thompson Valve is a great valve, however I have seen it get stuck open too many times when using course steel grit.

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