Knowledge

1. Before using the stainless steel ball valve, clean the pipeline and the overflow part of the valve body with […]

1. The fluid resistance of the stainless steel ball valve is small, and the resistance coefficient is equal to the […]

(1) The stainless steel ball valve adopts a fixed ball (shaft-supported) structure. In order to reduce the operating torque of […]

Stainless steel ball valve is suitable for various pipelines with PN1.0～12.5MPa, working temperature -29～180℃ (the sealing ring is reinforced polytetrafluoroethylene) […]

Recently, some customers reported that the seal of the stainless steel ball valve failed. After our maintenance personnel came to […]

The straight-through ball valve is a simple structure. It uses a sphere as a rotating body, and a channel is […]

1. Before daily maintenance and installation of stainless steel valves, carefully check whether the type and specification of the valves […]

How should the forged steel globe valve be maintained in daily use? The following forged steel globe valve manufacturers will […]

In layman’s terms, stainless steel is steel that is not easy to rust. Let me talk about the principle of […]

1. The failure occurs on every connection. Cryogenic valves belong to this type of failure: valve sealing and freezing, leakage […]

The forged steel ball valve can be rotated 90 degrees in the air source only by using a pneumatic actuator, […]

1. The disc of the wafer butterfly check valve is in the shape of a disc, which rotates around the […]

Forged steel gate valve refers to a valve in which the closing member (gate) moves vertically along the center line […]

1. When the medium flows in the specified direction, the valve disc is opened by the force of the medium; […]

Check valves are also known in the industry as reverse flow valves, check valves, back pressure valves and one-way valves. […]

Analysis of failure and damage reasons of stainless steel globe valve: the rotation is on the same side as the […]

1. Stainless steel ball valves are the same as short and long pipes, and the resistance coefficient is relatively small; […]

1. According to the channel direction of the globe valve, it is divided into: 1) Straight-through globe valve 2) DC […]

(1) The structure is simpler than the gate valve, and the manufacture and maintenance are convenient. (2) The sealing surface […]

Structural mechanism The hard seal of the ball valve is a seal between metal and metal, and the sealing ball […]

① The most common reason is that the operation manager does not maintain the valve in consideration of the relatively […]

① Improper transportation and hoisting cause overall damage to the valve and cause internal leakage of the valve; ② When […]

The switch has no wear: the ball rotates after deviating from the valve seat, which eliminates the friction with the […]

1. Before installation, check the pneumatic ball valve, check the specifications and models, and identify whether there is any damage, […]