Because the sealing rings of soft-seal butterfly valves are mostly made of rubber or PTFE, excessive pressure can damage them. Therefore, if the actual operating pressure is low, the shell pressure test can be reduced, and only the seal pressure test needs to be performed. Shell pressure testing increases equipment and time costs. Therefore, for […]
With the increasing use of valves in various applications, especially in confined or high-ceilinged spaces where valve operation is inconvenient, chain-driven systems can solve this problem. A chain-driven system is a transmission system connected by a chain. The sprocket drives the valve disc to open and close, controlling fluid flow in pipelines. Chain drives typically
The 500X Pressure Relief valve is a hydraulically controlled valve, also known as a Sustaining/ Relief valve. It belongs to the hydraulic control valve series and is extensively used in water force and drainage systems. Its main functions are to help system overpressure, maintain a specified pressure, and cover the safety of channels and outfit. A.Pressure relief
The bellows globe valve forms a metal barrier between the fluid medium and the atmosphere through automatic roll welding, ensuring a zero-leakage design for the valve stem. The interior of the bellows globe valve adopts a bellows structure, with the lower end of the stainless steel bellows welded to the valve stem to prevent process
A lift check valve is a type of check valve in which the disc slides along the vertical centerline of the valve body. Lift check valves can only be installed on horizontal pipelines. In high-pressure, small-diameter lift check valves, the disc can be made of a spherical shape. The shape of the valve body of
A.Before installation, check whether the pipeline is clean. The adjustable pressure reducing valve should be installed horizontally on the pipeline. A filter and a gate valve should be installed before the valve, and a gate valve should be installed after it to facilitate the replacement and maintenance of the pressure reducing valve and filter out
A silent check valve is a valve that operates automatically without manual intervention. It works by utilizing the pressure difference of the water flow. When the water flows in the forward direction, it pushes open the valve disc to allow flow; when the water flows in the reverse direction, the valve disc closes with the
Depending on different purposes, functions and application sites, it can evolve into remote control float valves, pressure reducing valves, slow-closing check valves, flow controllers, pressure relief valves, hydraulic electric control valves, emergency shut-off valves, etc. As the use of hydraulic control valves is increasingly affirmed by more and more users, its user base is also
Static balance valve, also known as manual balance valve or digital locking balance valve, Regulation principle: By manually adjusting the valve’s opening, the flow resistance of the valve is altered accordingly to regulate the flow rate. In essence, a manual balancing valve serves as a resistance component whose local resistance can be manually adjusted. It
The surface quality of the interior cavity of stainless steel valves critically determines their corrosion resistance, sealing reliability, and flow efficiency. Today, we will explore the crucial manufacturing process of grinding and finishing the inner cavity of stainless steel valves. Why is the internal surface grinding so crucial? Stainless steel valves are widely used in
The silent check valve is available in PN10 and PN16,150LB pressure ratings. The valve body is made of ductile iron, the seat is made of brass, and the valve shaft is made of 304 stainless steel. The silent check valve uses the pressure of the medium itself to automatically open and close the valve disc, preventing
Fire signal gate valves are key components of fire water systems. The correct use of signal gate valves affect the safety and reliability of the entire system. The key of the signal valve is the microswitch. When the valve handwheel is turned, it will drive the gear to rotate. When the valve is “fully open”
Both foot valve and Y- strainers are common channel accessories, participating some parallels but also having significant differences Their congruity lies in their filtering function, as both can block some solid contaminations and cover downstream channel factors. still, the core functions and applicable working conditions of foot valve and Y- strainers differ significantly, so it’s pivotal to
Due to the fact that globe valves and gate valves have some similarities in appearance and both have the function of cutting off in pipelines, many circle friends who have little contact with valves often confuse the two. In fact, if observed carefully, the differences between stop valves and gate valves are quite significant. Firstly, in
