product name: professional safety valve set for accumulator

1. general description.

QFZ type livestock can implement security group by high pressure cut-off valve, ball core straight moving type relief valve and a small globe valve, with opening and closing, safety and unloading valve, high pressure cut-off valve for manually operated switch valve, ball core straight moving type relief valve as a safety valve, small cut-off valve for unloading valve, is indispensable in a hydraulic system is a combination of three originals. With compact structure, small volume, reliable performance, simple installation, convenient operation, etc.

This type of main relief valve group has two kinds of connection mode: flange and rib type connection (outside). If use direct welding flange connection structure, can reduce livestock can implement the arrangement of height.

2. model code.

                         QFZ - Hx x x

                           1       2 3 4

1     Code Name: Safety Valve Group

2     Pressure Grades: Hb-10MPa; Hc-20MPa; Hd-31.5MPa

3     Inner Nominal Diameter: 15, 25, 40, 50 mm

4     Connecton type: F-flanged connection; L-threaded connection


3. working principle.

Nominal pressure: 10 ~ 31.5 MPA

Applicable medium: oil, water - ethylene glycol and emulsion

Medium temperature: 15 ℃ ~ + 65 ℃

4. structure drawing.

4. dimension.