JK
จากประเทศ Korea
Features
• Secondary pressure must be less than 80% of primary pressure
• Minimum pressure differential across the disc : 0.7kgf/cm²{0.07MPa}
• Leakage allowance : Less than 0.05% of rated flow
• Hydraulic pressure test : JRV-SF16/15kgf/cm²{1.5MPa}