Industry Information

Update June 12, 2019

Application of proportional control valve in metal smelting

At present, the development of metal smelting in China is constantly improving. The application of valves in the process is indispensable. The proportional control valve is a kind of valve, but this...

Update June 06, 2019

Hydraulic pump or hydraulic motor flow and displacement

Hydraulic pump or hydraulic motor flow and displacement (1) Displacement displacement refers to the hydraulic pump or hydraulic motor shaft per revolution of the seal volume changes in the volume...

Update May 24, 2019

Application of Cartridge Valve in Hydraulic System of Electro - Hydraulic Control Support

The application basis and prospect of the cartridge valve in hydraulic system of electro-hydraulic control support are discussed. The design scheme is proposed and the working principle is analyzed....

Update May 22, 2019

How to distinguish between ductile iron valve and cast steel valve

1. See how the ductile iron valve and the cast steel valve distinguish the gray surface of the machined surface: it is gray, the gloss is very dark, and the surface looks rough. Ductile iron: gray,...

Update May 18, 2019

Special features of the valve - balance valve knowledge introduction

Special features of the valve - balance valve Knowledge Introduction: First, the concept and superior performance: ▲ Balance Valve: is a special function of the valve, it has a good flow regulating...

Update May 14, 2019

Use a pressure relief valve to extend the life of the condensate pump

The correct way to set the drive pressure for a mechanical pump is to drive the pressure higher than the back pressure of 1-1.5kg / cm2 (15-20psig). This is correct in most cases. But sometimes in...

Update May 11, 2019

The difference between the pressure reducing valve and the relief valve

1. The pressure reducing valve keeps the pressure at the outlet constant, while the overflow valve keeps the pressure at the inlet constant; 2. When not working, the inlet and outlet of the pressure...

Update May 09, 2019

Pressure relief valve (safety valve) common faults and causes

1. Leakage of the valve? Under the normal working pressure of the equipment, the valve flap and valve seat sealing surface occur more than the allowable degree of leakage, and the leakage of the...

Update May 07, 2019

Pressure relief valve emergency shut-off valve and emergency opening valve settings

1 pressure relief valve relief valve set in the fire pump outlet pipe, usually closed, the fire water pipe network pressure exceeds the set value automatically opens to prevent damage to the water...

Update May 05, 2019

Pilot-type relief valve typical fault diagnosis and troubleshooting

With the construction machinery hydraulic system in the direction of high pressure and high pressure development, pilot relief valve is widely used in construction machinery hydraulic system control...