J91W physical difference between 】 【 40 p - 64 - p - 160 - p - 320 - p type stainless steel ferrule needle Industrial Valves 【 summary 】 J91W 40 p - 64 - p - 160 - p - 320 - p stainless steel needle valve and ball Industrial Valves of cutting sleeve type has the difference with the use function, are quite different in application, in the selection of a certain need to pay special attention to diameter, pressure, material and use of media, whether at design time, or in the purchase, must be in strict accordance with the relevant technical requirements.
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