Instrument valve set
Two set valve
Inner diameter :0.157in.(6000psig)
Two valve stem design, the upper valve stem thread by rolling hardening treatment, the lower valve stem surface by special hardening
Upper stem road Vaughan grease isolated from system medium
The non-rotating lower stem moves up and down instead of the thread, reducing the friction of each stroke on the packing and reducing wear between seat and head
Valve has back sealing function in full open position
The handle is locked with screws at both ends, stable and durable working pressure up to 404 bar (6000psig)
Operating temperature:
PTFE packing :-54℃ to 232℃ (-65°F to 450°F)
Graphite packing :-54℃ to 649℃ (-65°F to 1200°F)
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Language
中文
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