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NOSHOK 500 Series - Soft Seat Standard Needle Valves

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Price: From $53.88 to $298.98
Manufacturer: NOSHOK, Inc.

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The 500 Series Standard Soft Seat Needle Valves are fitted with a precision molded, replaceable Delrin® soft seat which is the key to the bubble tight seal. They have a maximum pressure rating of 6,000 psi @ 200 °F with straight through porting for bi-directional, high capacity flow and easy roddable cleaning. The all 316 stainless steel blow out proof stem provides greater service life and provides a secondary stem seal in the full open position. The 500 Series features a stem seal below the threads to protect against corrosion and galling.  They are 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability.