Needle Valve NNV4, NRPV, NGSV

Product catalog summary

Document Overview:
This technical data sheet from PCI (Process System Solutions) Ltd, dated April 2013, provides detailed information on needle valves used in industrial process systems. The document spans 18 pages and includes specifications, contact information, and notes on product updates.

1. Company and Contact Information

Manufacturer: PCI (Process System Solutions) Ltd
Address: Unit 7 Slaidburn Crescent, Southport, Merseyside, PR9 9YF, UK
Telephone: +44 (0) 1704 509090
Fax: +44 (0) 1704 509091
Email: [email protected]
Website: www.pci-instruments.com

Note: Specifications are subject to change without notice.

2. Product Focus: Needle Valves

The document is dedicated to needle valves, which are precision valves used to control flow rates in process systems. Needle valves are critical for fine flow regulation and are commonly used in instrumentation and control applications.

3. Document Structure and Content

The data sheet likely includes the following sections (though not fully visible in the provided excerpt):

Technical Specifications: Dimensions, materials, pressure ratings, temperature limits, and flow characteristics.
Installation and Operation Guidelines: Procedures for correct installation, operation, and maintenance to ensure optimal performance and safety.
Standards and Compliance: Industry standards met by the valves, such as ISO or ANSI certifications.
Product Variants and Options: Different sizes, connection types, and materials available to suit various applications.
Ordering Information: Part numbers, ordering codes, and customization options.

4. Important Notes

The document emphasizes that specifications may change without prior notice, highlighting the importance of consulting the latest version before ordering or installation.
Contact details are provided for technical support and sales inquiries.

Summary: This data sheet serves as a comprehensive technical reference for needle valves offered by PCI Ltd, providing essential information for engineers and procurement specialists involved in process instrumentation. It ensures users have access to critical product details, company contacts, and procedural guidance to support effective valve selection and application.

Catalog excerpts

NEEDLE VALVE Type needle valves with hard seat are designed for use on applications requiring complete isolation or throttling of the media.The conical metal tip (Stem Type CT) press fitted ensures perfect alignment for positive bubble tight shut-off. Available with end connections in sizes from 1/8" to 1" and a wide choice in connections of female screwed, male screwed, male to female screwed or socket weld. Gland Packing Stem packing area Stainless Steel (CT) chrome plated Conical tip press fitted hard . PTFE(Grafoil to be used for temperature above 240°C to 550°C) Burnished mirror finish for Smooth valve operation. Back seating for preventing stem blowout. • High pressure line shut off. • Instrument isolation. • Gauge isolation. • Drain valve. • Liquid and vapor service Optional: Also available High pressure valves with stem HPa for 10,000 psi pressure model no. is NNV10 Also available High pressure valves with stem V2 for 20,000 psi pressure model no. is NNV20 Note : Other sizes available on request. PCI (Process System Solutions) Ltd, Unit 7 Slaidburn Crescent, Southport, Merseyside, PR9 9YF, UK, email: [email protected], WebSite: WWW.pci-instrumentS.COm (Specifications are subject to change without notice)

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Needle Valve Type needle valves with soft seat types are designed for use on applications requiring complete isolation or throttling of the media and for high pressure instrument lines. Ideal for use on gas services and some liquid applications. Specially designed Delrin needle tip (stem type DS) rolled in to the stem assembly in perfect location for positive bubble tight shut-off. Available with end connections in sizes from 1/4" to 1" and a wide choice of female screwed, male to female screwed or socket weld. Gland Packing Stem packing area Stainless steel (DS)Delrin Soft Needle Tip rolled...

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Needle Valve Type needle valves with rising plug design meant for use in applications on fluids containing solid particles designed to give high capacity bi-directional flow with reliable bubble shut-off. The flow path of the valve is easily roddable on viscous fluid application cleaning. Available with end connections in sizes from %" to 1" and a wide choice of female screwed, male to female screwed or socket weld. Seat Delrin Stem : Rising Plug(Type BD) Replaceable soft seat which absorbs contaminants and operates in dirty service, with easy maintenance. Straight through design for high capacity...

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How to order : NNV4, NNV10, NNV20, NRPV, NGSV, Needle Valve Body Material Stem Packing IE : Handle circular plastic. TF: Sour gas service to NACE standard MR-01-75. SG: For Oxygen service, valves are supplied cleaned and degreased and suitably packed. GH: Material test certificate GO: Hydrotest test certificate To place an order simply refer to the codes in the table. Valve TypeHBody MaterialHStem Packing PCI (Process System Solutions) Ltd, Unit 7 Slaidburn Crescent, Southport, Merseyside, PR9 9YF, UK, email: [email protected], WebSite: WWW.pci-instrumentS.COm (Specifications are subject...

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