DURLMARK – BLOG

Two Main Kinds of Common Faults of Safety Valve

By Durlmark Industrial | Jun 14,2017

American standard safety valve in industrial production is used very frequently. This kind of safety valve has many advantages such as high cost-effectiveness

Troubleshooting Methods for Electric Drive Butterfly Valve

By Durlmark Industrial | Jun 14,2017

This technical article gives us brief introduction about the common failure and troubleshooting methods for electric drive butterfly valves.

Reason and Solution for Gate Valve Handwheel Inflexibility

By Durlmark Industrial | Jun 14,2017

In this technical article we will introduce the reasons, preventive measures and solutions for handweel inflexibility of gate valves from several aspects.

Advantages and Maintenance Tips of Plug Valves

By Durlmark Industrial | Jun 14,2017

1. Plug valves are often used for operation, and it is convenient to open and close quickly. 2. Small fluid resistance. 3. Simple structure, relatively small size and light weight. And it is easy to be maintained. 4. Good sealing performance.

How to Maintain Control Valve Daily

By Durlmark Industrial | Jun 14,2017

As for patrol inspection, please do these following works: 1. Check the supply energy (hydraulic oil or power) of control valve and its related accessories. 2. Check the system operation of hydraulic oil.

What Are Main Advantages of Ball Valves?

By Durlmark Industrial | Jun 14,2017

Ball valve serves mainly as cutting, distributing and changing the flow direction of medium. Ball valve is widely used in recent years as a new type of valve. It has the following advantages: