NOSHOK Needle Valves针型阀

NOSHOK成立于1967年，是美国首批出售充液压力表的公司之一。更重要的是，NOSHOK是第一家为其压力表提供长达三年的保证期，提升了整个行业的质量基准。先锋的标准完美的追求坚持了逾36年之久。NOSHOK的成功之道是对产品性能及服务的承诺 ，如今应用于整个压力、温度及测力产品的生产线。

NOSHOK 100 & 150 Series Mini Needle Valves Compact size valve built for maximum durability and robust performance in the toughest applications 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability 100 Series hard seat valves have a maximum pressure of 10,000 psi for stainless steel and steel models; 6,000 psi for brass 150 Series soft tip valves feature a patented Delrin? non-rotating soft tip stem, a back-up metal-to-metal seal, and have a maximum pressure of 6,000 psi for stainless steel and steel models; 3,000 psi for brass Available in Zinc-nickel plated steel, electropolished stainless steel, and brass Viton? o-ring seal and Teflon? back-up ring below the stem threads to protect from corrosion and galling; Teflon? or Grafoil? packing optional All stem threads are 316 stainless steel All stem threads are rolled for strength and ease of operation Patented body-to-bonnet, metal-to-metal seal is designed to significantly increase the pressure range of the valve without compromising the flow, and help maintain the integrity of the bonnet threads by segregating them from the process media	NOSHOK 200 Series Multiport Hard Seat Needle Valves hese valves reduce the number of gauge and other instrument connections to permanent piping installations, decreasing possible leak paths Optional bleed plugs further allow pressure to be bled off without disturbing the permanent piping installation 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability 10,000 psi pressure rating (@ 200°F maximum) Blow-out proof stem provides a secondary stem seal in the full open position Viton? o-ring seal and Teflon? back-up ring below the stem threads to protect from corrosion and galling; Teflon? or Grafoil? packing optional All stem threads are 316 stainless steel All stem threads are rolled for strength and ease of operation One-piece bonnet with a metal-to-metal seal to the valve body below the bonnet threads Bonnet lock pin to prevent accidental loosening Vinyl bonnet and stem dust cap 0.187 inch orifice size Optional panel mount bonnet and panel nuts
NOSHOK 300 Series Multiport Soft Seat Needle Valves These valves reduce the number of gauge and other instrument connections to permanent piping installations, decreasing possible leak paths Optional bleed plugs further allow pressure to be bled off without disturbing the permanent piping installation 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability 6,000 psi pressure rating (@ 200°F maximum) Replaceable Delrin? seat and straight through porting for bi-directional, high capacity flow and easy roddable cleaning PCTFE or PEEK soft seat optional Blow-out proof stem provides a secondary stem seal in the full open position Viton? o-ring seal and Teflon? back-up ring below the stem threads to protect from corrosion and galling; Teflon? or Grafoil? packing optional All stem threads are 316 stainless steel All stem threads are rolled for strength and ease of operation One-piece bonnet with a metal-to-metal seal to the valve body below the bonnet threads Bonnet lock pin to prevent accidental loosening Vinyl bonnet and stem dust cap 0.187 inch orifice size Optional panel mount bonnet and panel nuts	NOSHOK 400 Series Hard Seat Needle Valves 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability 10,000 psi pressure rating (@ 200°F maximum) Blow-out proof stem provides a secondary stem seal in the full open position Viton? o-ring seal and Teflon? back-up ring below the stem threads to protect from corrosion and galling; Teflon? or Grafoil? packing optional All stem threads are 316 stainless steel All stem threads are rolled for strength and ease of operation One-piece bonnet with a metal-to-metal seal to the valve body below the bonnet threads Bonnet lock pin to prevent accidental loosening Vinyl bonnet and stem dust cap Optional panel mount bonnet and panel nuts
NOSHOK 500 Series Soft Seat Needle Valves 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability 6,000 psi pressure rating (@ 200°F maximum) Replaceable Delrin? seat and straight through porting for bi-directional, high capacity flow and easy roddable cleaning Blow-out proof stem provides a secondary stem seal in the full open position Viton? o-ring seal and Teflon? back-up ring below the stem threads to protect from corrosion and galling; Teflon? or Grafoil? packing optional All stem threads are 316 stainless steel All stem threads are rolled for strength and ease of operation One-piece bonnet with a metal-to-metal seal to the valve body below the bonnet threads Bonnet lock pin to prevent accidental loosening Vinyl bonnet and stem dust cap Optional panel mount bonnet and panel nuts	NOSHOK 600 Series Block & Bleed Hard Seat Needle Valves These valves allow pressure to be bled off without disturbing the permanent piping installation, allowing quick and easy removal or replacement of instruments 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability 10,000 psi pressure rating (@ 200°F maximum) Blow-out proof stem provides a secondary stem seal in the full open position Viton? o-ring seal and Teflon? back-up ring below the stem threads to protect from corrosion and galling; Teflon? or Grafoil? packing optional All stem threads are 316 stainless steel All stem threads are rolled for strength and ease of operation One-piece bonnet with a metal-to-metal seal to the valve body below the bonnet threads Bonnet lock pin to prevent accidental loosening Vinyl bonnet and stem dust cap 0.187 inch orifice size Optional panel mount bonnet and panel nuts 0.090 bleed hole located on the bottom is controlled by a 1/4-20 UNF-2B bleed screw
NOSHOK 700 Series Block & Bleed Soft Seat Needle Valves These valves allow pressure to be bled off without disturbing the permanent piping installation, allowing quick and easy removal or replacement of instruments 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability 6,000 psi pressure rating (@ 200°F maximum) Replaceable Delrin? seat and straight through porting for bi-directional, high capacity flow and easy roddable cleaning PCTFE or PEEK soft seat optional Blow-out proof stem provides a secondary stem seal in the full open position Viton? o-ring seal and Teflon? back-up ring below the stem threads to protect from corrosion and galling; Teflon? or Grafoil? packing optional All stem threads are 316 stainless steel All stem threads are rolled for strength and ease of operation One-piece bonnet with a metal-to-metal seal to the valve body below the bonnet threads Bonnet lock pin to prevent accidental loosening Vinyl bonnet and stem dust cap 0.187 inch orifice size Optional panel mount bonnet and panel nuts 0.090 bleed hole located on the bottom is controlled by a 1/4-20 UNF-2B bleed screw	NOSHOK 800/850 Series Bleed Valves - Hard Seat & Soft Tip These valves provide a convenient means to relieve process pressures trapped between a shut off valve and the instrument Use the same bonnet assemblies of the 100/150 Series Mini Valves with an integrated single threaded body for insertion in vent port 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability 10,000 psi hard seat pressure rating (@ 200°F maximum) Available in Zinc-nickel plated steel, electropolished stainless steel, and brass Viton? o-ring seal and Teflon? back-up ring below the stem threads to protect from corrosion and galling; Teflon? or Grafoil? packing optional All stem threads are 316 stainless steel All stem threads are rolled for strength and ease of operation 0.159 bleed hole Patent-pending body-to-bonnet, metal-to-metal seal is designed to significantly increase the pressure range of the valve without compromising the flow, and help maintain the integrity of the bonnet threads by segregating them from the process media
NOSHOK 2070 Series 2-Valve Block & Bleed Hard Seat Needle Valves Combine isolating and venting in a single valve, eliminating the need for tubing and fittings Block valve isolates the downstream process fluids, and the bleed valve exhausts upstream fluids enabling instruments to be removed without disturbing the permanent piping installation The 1/4" NPT vent plug is located 90° to the left may be removed and replaced with exhaust piping to direct the fluids to a safe location 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability 10,000 psi hard seat pressure rating (@ 200°F maximum) Blow-out proof stem provides a secondary stem seal in the full open position Viton? o-ring seal and Teflon? back-up ring below the stem threads to protect from corrosion and galling; Teflon? or Grafoil? packing optional All stem threads are 316 stainless steel All stem threads are rolled for strength and ease of operation One-piece bonnet with a metal-to-metal seal to the valve body below the bonnet threads Bonnet lock pin to prevent accidental loosening Vinyl bonnet and stem dust cap 0.187 inch orifice size Optional panel mount bonnet and panel nuts	NOSHOK 2170 Series 2-Valve Block & Bleed Soft Seat Needle Valves Combine isolating and venting in a single valve, eliminating the need for tubing and fittings Block valve isolates the downstream process fluids, and the bleed valve exhausts upstream fluids enabling instruments to be removed without disturbing the permanent piping installation The 1/4" NPT vent plug is located 90° to the left may be removed and replaced with exhaust piping to direct the fluids to a safe location 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability 2170 Series soft seat valves have 6,000 psi pressure rating (@ 200°F maximum) 2170 Series valve also features a replaceable Delrin? seat, and straight through porting for bi-directional, high capacity flow and easy roddable cleaning PCTFE or PEEK soft seat optional Blow-out proof stem provides a secondary stem seal in the full open position Viton? o-ring seal and Teflon? back-up ring below the stem threads to protect from corrosion and galling; Teflon? or Grafoil? packing optional All stem threads are 316 stainless steel All stem threads are rolled for strength and ease of operation One-piece bonnet with a metal-to-metal seal to the valve body below the bonnet threads Bonnet lock pin to prevent accidental loosening Vinyl bonnet and stem dust cap 0.187 inch orifice size Optional panel mount bonnet and panel nuts