FEATURES
● It has a soft shock absorbing effect because the self-pressure-regulation function.
● The spring can reset the piston rod fast cause the perfect movement of the check valve.
● It adopts horniness chromeplated piston rod,special sealing element. It can have a long and stable efficiency.
● It can adopt fittings,such as orientation stop screw cap, setting nut,retaining plate etc.
● The nonstandard can be also manufactured.