Safe Valve XLA

• 
• Safe valve in hydraulic support is used for protecting the reliability of the hydraulic cylinder under working，make the prop of Hydraulic Support working normally under working resistance. XLA series safe valve adopt compound material sealing, the service life can reach to 15000 times, which is the leading domestic quality, and greatly improving the reliability of product. Adopt O- ring for isolating spring cavity between overflow hole and spring cavity, to make the spring moisture-proof and corrosion- proof, and to insure the reliability of the complete safe valve.