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Stainless steel needle valves are designed to withstand higher pressures than other types of valves, and are therefore generally used for sealing of gas or liquid media at relatively low flow rates and high pressures. Needle valves are used in conjunction with pressure gauges Is the most appropriate. General needle valve are made of threaded connection. Nominal pressure: PN2.5 PN4 PN6.4 PN16 PN32Mpa Nominal diameter: DN5 ~ DN25 Applicable medium: oil, water, gas and other non-corrosive Or corrosive Medium Applicable temperature: -20 ℃ ~ + 440 ℃ -70 ℃ ~ -240 ℃ ≤ 540 ℃ ≤ 570 ℃ and other manufacturing materials: 20 # ﹑ 1Cr18Ni9Ti ﹑ 304,316 ﹑ 316L ﹑ 12Cr1Mov, etc.

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