Product Introduction
This product has two kinds: 1. standard; 2. with a testing hole.
These two kinds have the unit of inch and mm. 1/4 in to
**1/8in (6mm to *9mm), all the valves have the SAE fixed hole,could
be installed on panel.
Features
Flow with no pressure drop
One quarter turn form fully open to fully closed valves, rotation
stop for fully open and fully closed valve
Marking on spindle top indicates whether valve is closed or open
