Safety valve LESER

Products

What is a safety spring relief valve?
The main purpose of the safety valve is to protect human life, property, technical equipment and the environment. The spring loaded relief valve is designed to open and relieve excess pressure from vessels or equipment and close again preventing further discharge of liquid after normal set operating conditions are restored. A relief valve is a safety device and in many cases is the last line of defence. It is important to ensure that the relief valve can operate at all times and under all circumstances. The relief valve is not a process valve or pressure regulator and should not be abused as such. It should work with only one purpose: overpressure protection.

Main types of safety valves:

Conventional SAFETY VALVE
SAFETY VALVE with pilot control
“Change-over” type

Types SAFETY VALVE LESER

SAFETY VALVE LESER Type 441, 442

From DN 250 up to DN 400
LESER offers the Type 441 in a new version with a cast carbon steel and stainless-steel case.

ADVANTAGES:

Delivery time reduced to just eight weeks after order for standard configurations.
Valve selection made easy. Overlaps in the High Performance series have been eliminated.
The price advantage is offered to customers with a reduced list price, plus many options already available at no additional charge.
Production management is simplified by eliminating welding-related tests. The new model has a cast body.
The new cast body design has replaced some structural values of the old welded design which can be found in the table below:

Basic information on the principle of operation and selection of spring relief valves

Table of Contents (click on the links below)

Suitable application in the following industrial sectors:

Please send an inquiry to our email office@polymat-bg.com