YQ41F-P16| Model： | YQ41F-P16 | |
| Standard or Nonstandard： | Standard |
|
| Pressure： | LowPressure |
|
| Material： | CastIron,Ductileiron,BS1452220 |
|
| Media： | Oil |
| PriceRange： | ||
| Structure： | Ball |
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A ball valve is a valve with a spherical disc, the part of the valve which controls the flow through it. The sphere has a hole, or port, through the middle so that when the port is in line with both ends of the valve, flow will occur. When the valve is closed, the hole is perpendicular to the ends of the valve, and flow is blocked. The handle or lever will be inline with the port position letting you "see" the valve's position. The ball valve, along with the butterfly valve and plug valve, are part of the family of quarter turn valves.
Cast iron ball valve is a kind of ball valve that is made from cast iron. Cast iron has good strength and excellent machinability, allowing for high speeds and feeds and reduced (minimal) energy due to the presence of free graphite.
BS cast iron ball valve has some main parameter specification as follows. Face to face is according to BS5159. Flange connection is according to BS4504. Nominal pressure is 1.6Mpa and test pressure shell is 2.4Mpa. And its air seal pressure is 0.4~0.7Mpa.
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