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)
Rules of coding
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Language
中文
En
