I require a 1/4" BSP female plastic solenoid valve. It needs to be 12vDC, and to have minimal exposed metal (preferably none as the marine environment will kill it quickly). The challenging part is

What are Bellow seal Valves. Under what circumstances this requirement is called for. Is this related to the sealing requirement near the Gland packing area or it an alternative to that. Are there any

experience on sizing the suction/ discharge lines for such low capacity pumps

What are the guidelines for selecting the type of actuator for a control valve. That is, how do I choose between diaphragm and piston?

Is there a similar definition in a ANSI, ASME, or BPV code? Is the SEMI F1-90 definition as close as I am going to get to an engineering reference?

What is the main functional difference between a pneumatic diaphragm actuator & a pneumatic piston actuator while operatin a globe valve.Will it be difficult to attain the precise control with piston

We use oxygen injection in our metal melting process. The oxygen flow rate is set by adjusting the air pressure (using a pressure regulator)on a pneumatically controlled diaphragm valve which moves a

The Manchester based M&E contractor Farebrother Ltd has installed over 100 Honeywell Kombi 4 throttle and balancing valves for easier and faster commissioning of the domestic hot water system at the