October 31, 2017

Actuator and accessory with their applications

Actuator and accessory Actuator and accessory are mechanical or electro-mechanical devices that provide controlled and sometimes limited motion. Or positioning to be operated by electricity, by […]
October 30, 2017

What is namur valve and why we choose it for pneumatic actuator

#1. What is namur valve? Namur valve are electric valves for use with liquids or gases. Valves are controlled by solenoid currents: in the case of […]
October 30, 2017

How to improve pneumatic actuator valve performance with positioners

As the ultimate control unit in most process control systems and automation systems. Pneumatic actuator valves are part of a complex-in-a-system system where valve locating valves […]
October 14, 2017
Solenoid Valve

How to improve the reliability and safety of solenoid valve

How to improve the reliability and safety of solenoid valve In an industrial park such as a chemical plant, oil refinery or deep sea oil rig. […]
October 13, 2017
control valve

Diagnosis Performance of Control Valve

Diagnosis Performance Of Control Valve There has been much discussion about the accuracy of the control valve test using the original equipment manufacturer (OEM) measurements compared […]
October 12, 2017
knife gate valve

What did you know about Knife Gate Valve

Knife Gate Valve are usually installed vertically, so why a knife can be placed horizontally? Use the Knife Gate Valve on the wider horizontal plane than […]
October 11, 2017

12 Information About The Positioner That You Should Know

1. What is a positioner? Put simply, the positioner is an integral part of the fluid flow control system. A liquid flow control system consists of […]
October 5, 2017

3 great things you need to know about valves

History of valves Over the past decades, valves have played an important role in many of the calendar historic events and their inventions have changed our daily […]
August 14, 2017

Oscillating Valves

Oscillating valves generate continuous cycling of an actuator. When compressed air is applied to port 1, the outlet ports 2 and 4 are alternately supplied with […]
August 14, 2017

NAMUR Case for Smart Valve Automation

First presented on the Valve World exhibition and now available: The Hafner NAMUR Case for Smart Valve Automation The new NAMUR case is perfect for promotion […]
August 14, 2017

SIL 3 Certification

Functional safety becomes more and more important in different kinds of applications. In order to cope with the customer requirements, many of the Hafner valves are […]
August 14, 2017

1/2 Valves for -40°C

The valves of the low temperature series “Hafner on the Rocks” are now also available 1/2″-ported, offering 3.000 l/min air-flow. They can be used in low […]