discount 70% in 2018-09-22 to 2018-09-24
price: USD$ 4504.50
freight :USD$7.00,(Postal parcel)
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Application of GYA hydraulic safety valve:
1, hydraulic safety valve (safety valve type) standby equipment of the breathing valve, the inspiratory and expiratory pressure slightly higher than the action (valve type) breathing valve, the respiration valve failure in the winter or the freezing liquid seal valve, hydraulic safety valve of the oil tank is destroyed so as to protect from damage.
2, hydraulic safety valve installed in the top of the tank and the use of breathing valve.
3. Control pressure: +56 mm water column to -50 mm water column.