Q:What is the BV valve?

It should be American Copeland company, BV series valves;

Q:What do the Z, J, H and D represent in the valve type?

:Austenitic stainless steel, copper alloy, plastic, rubber, nylon plastics, fluorine plastic, Cr stainless steel, hard alloy, rubber lining, Monel alloy, valve body material

Q:I'm going to put a solar energy and an electric water heater installed in the same hot water pipe, a valve, a valve open and close the valve B and vice versa the installation of solar and electric water heater, there can be no linkage valve?

In industry, you say this, such as using two butterfly linkage and composition of the three-way valve to use. But civilian should be few, demand is very little ah. It is estimated that you can only install two valves and then use both hands at the same time to perform linkage.

Q:How do you understand the valve Z41X-16?

This is a standard set, the landlord himself to check the JB/T308 standard, Baidu library, some, and is free to download:JB/T 308-2004 valve type method of preparation clear EditionZ = gate valve4 = connection: flange1 = structural form: open rod single gateX = sealing surface material: Rubber16 = nominal pressure: 1.6MPa16 there is no letter behind it indicates that the body is made of cast iron

Q:the valve to an electrical signal, with this signal to control other components, ask: what valve?

It seems that this is not a valve, it should belong to the flow switch

Q:What are the specifications of the valves PN25, DN50?

PN25 - nominal pressure 25bar (25kgf/cm -)DN50 - nominal diameter is 50mm (2)

Q:What do O and S mean on the valve?

Generally used in process valves, operating conditions required to open and close, especially in the case of pneumatic actuators installed, the loss of power and gas supply valve when the state

Q:What does the 4 point valve mean?

That is not clear, American Standard or GB, or what other

Q:Valve pressure grade division

Valves are classified by pressure:Vacuum valve - valve with operating pressure below standard atmospheric pressure.Low pressure valve - nominal pressure PN is less than 1.6MPa valve.Medium pressure valve - nominal pressure PN 2.5~6.4MPa valve.High pressure valve - nominal pressure PN10.0~80.0MPa valve.Ultra high pressure valve - nominal pressure PN greater than 100MPa valve.

Q:What's the valve as a unit?

Business now there are many valve manufacturers, with the rapid expansion of SMEs, SMEs are more ~!