High production rates with highest safety standards

The development of new oil and gas deposits in the desert, deep sea or Arctic is becoming increasingly complex. This calls for reliable suppliers who can meet the increasing demands for environmental protection and work safety.

Only a few suppliers in the market are able to fulfil these demands. LESER is a trusted partner for the Oil & Gas Industry all over the world and is able to fulfil all the technical industry standards like NORSOK, NACE 0175 / ISO 15156 or similar. You are looking for a supplier with a comprehensive network of technical sales project engineers and a dedicated project execution center that will support you from initial FEED phase to commissioning of your project. LESER supports you to get your new operations up on time and on budget.


API

Safety valves according to API 526 with standardized capacities, installation dimensions and materials

  • Standardized design and selection according to API 520

  • Wide range of high-alloy materials available in standard delivery times

  • Longer service life due to hardened discs, stellited seats and shielded bellows

  • LESER Nanotightness exceeds API 527 tightness requirements by 50%

Technical data API Safety valves

Set pressure
0.2 - 400 barg | 2 - 5,802 psig
Temperature
-273 - 550 °C | -450 - 1,000 °F
Capacity orifice D to T
Connections ASME B16.5
NPS 1 to NPS 8

Body material:
Carbon steel , Heat resistant Carbon steel , Stainless steel

High Efficiency - Pilot-Operated Safety Valves

Solutions for high plant efficiency

  • Adaptation of the functional behavior to the operating conditions possible

  • Operating pressures up to 97% of set pressures

  • Back pressures up to 95% of set pressures

  • Low loss of medium during the blow-off process

Technical data

Set pressure
1,0 - 650,0 barg | 15,0 - 9427,0 psig
Temperature
-162 - 300 °C | -260 - 572 °F
Capacity: Orifice D to T+
Connections ASME B16.5
NPS 1 to NPS 8
Body material
Carbon steel , Stainless stee

Compact Performance

Safety valves with compact dimension and variable connections

  • Flanged and threaded valves with a flexible range of options to suit your application

  • Bellows version available

  • Set pressures up to 1.000 bar / 14,504 psig

Technical data

Threaded connections
NPT: NPS 1/2 to NPS 2
Flange connections ASME B16.5
NPS 1/2 to NPS 1
Set pressure
0.1 bar - 850 bar | 1.5 - 12,328 psig
Temperature
-273 °C - 450 °C | -459 °F - 842 °F
Capacity: Orifice B+ to F
Body material:
Stainless steel, Carbon steel, Stainless steel casting