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Needle Valves Made of 304 Stainless Steel
The needle valve operates with a needle that closes the line with precision and maximum tightness. The needle valves of material grade 304 are strong and resistant to corrosion, but the SS304 needle valve is more resistant to corrosion. The needle valve gets its name from the needle-shaped plunger. An advantage of the 1/2 inch 304 stainless steel needle valve is that it allows precise flow regulation.