Differences Between a Ball Valve & a Butterfly Valve
Everyone knows that there are many types of ball valves, including this butterfly valve. Then the well-known difference between a ball valve and a butterfly valve is its opening and closing member. The opening and closing member of the butterfly valve is a block plate, and the ball valve is a ball. They all rotate […]
Why are forged steel valves black?
Not all forged steel valves are black, such as stainless steel forged steel valves will not be black. You may refer to a forged steel valve made of A105 material, which is phosphatized and blackened for rust prevention. Generally, the forged steel valve of A105 material is generally phosphating black.
What is the torque of the hard seal ball valve?
Hard-sealed ball valves are also a type of wear-resistant ball valves. Today we will talk about the calculation of the torque of hard-sealed ball valves. The torque of the hard-sealed ball valve is also smaller than that of a soft seal such as F4 (fluoroplastic). Generally, the torque of a metal hard-sealed ball valve is […]
F91 Pressure forged steel self-sealing check valve
The forged steel check valve is a pressure self-tightening valve cover. The valve designed according to this design form has a valve body and a valve cover which are screwed, and the internal pressure is sealed by a self-sealing ring. The optional sealing discs are available in swing type, lift type, and ball type. The […]
What is the function of the foot valve?
The Foot valve consists of valve evaluation, disc, bonnet, bushing, sealing ring and other parts. See the water from the water source in the figure below from the bonnet to the valve body. Under the action of fluid pressure, the valve disc opens water. When the pressure in the outlet pipe closes the valve disc […]





