There are two main types of valve present on brass instruments: piston and rotor. Accordingly, vendors sell different types of oil, including scented varieties.

The earliest and simplest safety valve on the steam digester in 1679 used a weight to hold the steam pressure (this design is still commonly used on pressure cookers); however, these were easily tampe

A globe valve is a type of valve used for regulating flow in a pipeline, consisting of a movable disk-type element and a stationary ring seat in a generally spherical body.

So the wear is the problem. Have you tried changing the material of rubber lining to another material (Ni-Hard IV or ceramic lining) to reduce the wear effect. Or replacing the rubber lined spool by e

There are systems onboard a ship which are operated by pneumatics or hydraulics and sometimes even air or electronics. For this reason, the relief valve by construction and operation should be such

This helps to maintain the pressure when the valve has to be used. I'm doing a project on driving a solenoid valve in BOSCH. The input is a 0-10V sine wave (Which is actually an output from a D/A co

Butterfly valve distributors realize the advantages of using this type of valve as it is not only economically priced but is also lightweight, bi-directional and bubble-tight. Check Valves allow

Here's the way I have ALWAYS looked at it:TDH = Total Dynamic Head. If you call it total discharge head, in a centrifugal pump you are by definition incorrectly inferring what