High Closing Ratio
a gate valve is a one way totally open or closed valve, a control valve is a variable valve.
The handle faces the direction of flow
1/4 Turn
A valve in the Plumbing sense is a mechanical device to open or close the water flow. It can be a screw operation called a 'Gate Valve' or a simple 1/4 turn handle called a 'Ball Valve' . These are more modern and efficient.
some engineers believe that HCR stands for High Closing Ratio. but Hydraulic Control Remote seems to be more related and is more correct. my reference is www.oilfield-dictionary.com/hcr-valve/
High Closing Ratio
I nee to know when when to adjut each valve when intake is open and when exhaust ect. I need to know when when to adjut each valve when intake is open and when exhaust ect. I need to know when when to adjut each valve when intake is open and when exhaust ect.
you look
I have seen this file type with PrintMaster programs offered from American Greetings.
Your engine will probably missfire and you will not have compression in the cylinder that has the broken valve spring because your valve will stay open.
You know it by touching and feeling the pipes on the hot water side; if they are hot, there is water running through the pipes and obviously the heater valve is open on hot side.
The saddle valve is open.
Jamie Christian Follese
To determine if a valve is open or closed, you can visually inspect the position of the valve handle or lever. If the handle is parallel to the pipe, the valve is open. If the handle is perpendicular to the pipe, the valve is closed.
Familiar Waters - 2004 Fathers Day HCR was released on: USA: 11 February 2011
To open the tank valve on an oxygen cylinder, make sure the regulator is attached securely. Slowly turn the valve counterclockwise until it is fully open. Always open the valve slowly to prevent damage to the regulator or sudden release of high-pressure gas.