LESER – Critical Service Safety Valves offer a large variety of types, materials, and options for adaptation to the respective system conditions:

• Valve sizes from DN 25 to DN 100, 1″ to 4″
• PTFE use also possible according to ATEX standard through antistatic and electrically conductive PTFE compound
• Large variety of high alloyed materials for all application ranges:
  – Hastelloy®
  – Inconel®
  – Tantalum
  – Zirconium
  – Titanium
  – Monel®
• One design and spring for steam, gases and liquids (SingleTrim) reduces the number of required spare parts and facilitates cost-effective maintenance
• The one-part spindle reduces friction, guarantees optimal guidance and reliable operation under all operating conditions
• The self-emptying casing avoids media residue and reduces corrosion.
• Every part can be replaced by other materials according to customer specifications

LESER – Critical Service Safety Valves can be individually adapted to the operating conditions with accessories, for example:

• Balanced bellows for compensation of the back pressure and to protect the moving parts
• Lift indicator for detection of opening operations of the safety valve and forwarding the signal to a control room.