Question 1

Can ball valves regulate medium?

Accepted Answer

No, ball valves only can not use for regulating, it is a kind of isolating valve.

Question 2

What are the quarter turn valves?

Accepted Answer

Ball valve, Butterfly Valve, and Plug valve are rotary motion control valves. They just need a quarter turn to come into action.

Question 3

What’s the direction of valves?

Accepted Answer

Ball Valve and gate valve are bi-directional valves, globe valve, check valve and y strainer have arrow on valve body to indicate direction.

Question 4

What’s the difference between rising stem and non-rising stem of gate valve?

Accepted Answer

The rising stem gate valve can be seen from the appearance whether the valve is closed or open. The lead screw can be seen while the non-rising stem gate valve can not. Non-rising stem gate valve handwheel will go and up when rotate handwheel, rising stem gate valve will not. And The rising stem gate valve requires a larger installation space because of the stem; the height of the Non-rising stem gate valve is small, and it will not take up too much space during installation.

Question 5

What’s the difference of gate valve and globe valve?

Accepted Answer

Gate valve is bi-directional valve, globe valve in single way valve and has fixed direction when install. And globe valve has better sealing than gate valve, when globe valve close, fluid medium add pressure on disc to keep better sealing. Gate Valve wedge is parallel with flange, when close, both side fluid medium add pressure on wedge.

Question 6

Check Valve Introduce

Accepted Answer

Check Valve is unidirectional valve, also called one way valve, non-return valve. Because medium flow decide its direction. It has swing type, lift type(piston and ball), vertical type, butterfly type. Wafer type check valve has three types, spring return type, single disc type and double disc type. Anyway, could choose valve type according to medium, pressure and temperature. Masoneilan Valve will give you the best suggestions.

We have tried to cover all ball valve related questions but there is always something missing if you are doing it for others. So here we welcome your questions regarding the subject. Ball valves are very common and the most useful equipment in today’s lifestyle. You can’t avoid this truth as you know how the ball valves are working and they can easily fit in any space.

Q Can ball valves regulate medium?

Q What are the quarter turn valves?

Q What’s the direction of valves?

Q What’s the difference between rising stem and non-rising stem of gate valve?

Q What’s the difference of gate valve and globe valve?

Q Check Valve Introduce

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