Features:
â‘ small-size, convenient, easy to
assemble and disassemble, maintenance, fix at any
positions
â‘¡simple-structureã€compact, quick *0 degrees on-off
operation, small operating torque, light and
handy.
â‘¢more than then thousand times of
on-off experiment, longer operating life.
â‘£almost linear flow characteristic,
better regulating performance.
⑤full sealed, zero gas
leakage.
â‘¥different materials in every
parts, suitable to different mediums.
