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Needle Valves
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Needle Valves - 1

3-D Drawings ch Web Site Master Table of Contents Needle Valves (NP6 Series) Catalog 4110-NP Revised, April 2004 3-D Drawings 3-D Drawings Master Site of Contents Web Table Web Site

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Needle Valves - 2

Introduction Parker NP6 Needle Valves are designed with packing below the stem threads and a two-piece stem. The packing below the threads protects the flow stream from thread lubricant contamination or washout and also protects the stem threads from potential damaging effects of the media. The two-piece stem produces a non-rotating lower stem for superior, repeatable sealing and reduced packing wear. Specifications • Pressure Rating: 6000 psig (414 bar) CWP • Temperature Rating: PTFE Packing: -65° F to 450° F (-54°C to 232°C) PCTFE: -65° F to 350° F (-54°C to 177°C) Buna-N Rubber: -30°F to...

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Needle Valves - 3

Panel Hole Diameter: 0.77 (19.6) Max Panel Thickness 0.25 (6.4) * Note: Handle diameter for R Stem NP6 Series Valves is 1.81 (46.0) Dimensions / Flow Data ( ) Denotes dimensions in millimeters * Tested in accordance with ISA S75.02. Gas flow will be choked when P1-P2 / P1 = xT. f For CPI™ and A-LOK® dimensions are measured with nuts in the finger tight position. Parker Hannifin Corporation Instrumentation Products Division Jacksonville, Alabama Master Table of Contents

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Needle Valves - 4

How to Order The correct part number is easily derived from the following number sequence. The six product characteristics required are coded as shown below. *Note: If the inlet and outlet ports are the same, eliminate the outlet port designator. Example: 4Z * - NP6A K - BN - SSP Inlet Outlet Valve Stem Stem Body Port Port Series Type Seal Material Describes a angle pattern NP6 Series needle valve equipped with 1/4" CPITM compression inlet and outlet ports, a PCTFE tipped stem, Buna-N seals, and stainless steel construction with panel mounting nut....

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Needle Valves - 5

Flow Characteristics Note: When combining seat and seal materials, the most restrictive temperature rating becomes the limiting factor on temperature range. Note: To determine MPa, multiply bar by 0.1 Parker Hannifin Corporation Instrumentation Products Division Jacksonville, Alabama Master Table of Contents

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Needle Valves - 6

Parker Hannifin Corporation Instrumentation Products Division 2651 Alabama Highway 21 North Jacksonville, AL 36265-9681 USA Phone: (256) 435-2130 Fax: (256) 435-7718 www.parker.com/ipdus Parker Hannifin plc Instrumentation Products Division Riverside Road Pottington Business Park Barnstaple, Devon EX31 1NP England Phone: +44 (0) 1271 313131 Fax: +44 (0) 1271 373636 Email: ipd@parker.com www.parker.com/ipd Catalog 4110-NP, 10M, 04/04 3-D Drawings ch Web Site Master Table of Contents 3-D Drawings 3-D Drawings Master Site of Contents Web Table Web Site

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