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SMYTIK (Kunshan) Precision Machinery Co.,Ltd

Contact person: Liu Zong

Mobile phone number: 19951158023

Email: lsy@smytikgroup.com

Website: www.smytikgroup.com

Address: Room 304, Room 8, No.1911, Shuixiu Road, Kunshan City, Jiangsu Province


Square butt welding through needle valve

Square butt welding through needle valve

  • Category:Square butt welding through needle valve
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  • Release time:2022-02-26 11:35:45
  • Product description

Square needle valve NV2


Cold draw square rod body


Two-section valve stem design, the upper valve stem thread by rolling hardening treatment, the lower valve stem surface by special hardening treatment


The grease on the upper stem threads is isolated from the system medium


Non-rotating lower stem up and down motion instead of rotating lift, reducing packing wear per stroke and reducing friction between seat and head


Valve has back sealing function in full open position


Panel mounted


Handle with two ends of the screw lock, stable and durable


A variety of color handles are available


Each valve is sealed with nitrogen or compressed air at its rated working pressure before leaving the factory





Working pressure can reach


Stainless steel 414bar (6000psig)


Alloy C-276:414bar (6000psig)


Alloy 400:345bar (5000psig)


Titanium :241bar (3500psig)


Brass :207bar (3000psig)




Operating temperature


PTFE packing :-54℃ to 232℃(-65°F to 450°F)


PEEK:-54 ° C to 260 ° C (-65°F to 500°F)


Graphite packing :-54℃ to 649℃ (-65°F to 1200°F)



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