Name: Pressure Systems Pty Ltd
Address: 35 Sir Laurence Dr, Seaford, VIC, 3198, Australia
Telephone: +61 3 9776 9477
Price range: $$
Rating: 3.0

LESER Series 526 API Safety Relief Valve

Air

Gas

Liquid

Steam

LESER Series 526 API Safety Relief Valve

Air

Gas

Liquid

Steam

Inlet Sizes

DN25 - DN200 | 1" - 8"

Pressure Ratings

0.1 - 413.8 Bar | 15 - 6000 PSI
ANSI 150# - ANSI 2500#

Materials

WCB, WC6, LCB, CF8M, Duplex, Super Duplex, Hastalloy-C, Monel

Approvals

ASME VII, CRN, PED, EN ISO 4126-1, TÜV SV 100 and AD 2000-Merkblatt A2

Downloads

Applications
The API Product Group Represents:

✓ Full range of spring loaded safety valves acc. to API 526
✓ State-of-the-art design from the safety valve specialist
✓ Competitive solutions for the API market

LESER´s API safety valves:
- Are designed to meet all applications which require API.
- Open rapidly with an overpressure of max. 10 % to the full design lift.
- Have a maximum blowdown of 7 % for steam/gas service and 20% for liquid service.
- Are developed in a close cooperation with plant engineers and service specialists.
- Serve for protection of processes and equipment.
- Are approved by all important approval organisations worldwide which ensures the worldwide applicability e.g.:
  • European Community: CE-marking acc. to Pressure Equipment Directive (PED) 97 / 23 / EC and EN ISO 4126-1
  • USA: UV-stamp acc. to ASME Section VIII Division 1, National Board certified capacities
  • Germany: VdTÜV approval acc. to PED, EN ISO 4126-1, TÜV SV 100 and AD 2000-Merkblatt A2
  • Canada: Canadian Registration Number acc. to the requirements of particular provinces
  • China: AQSIQ based on the approval acc. to ASME Section VIII Division 1 and AD 2000-Merkblatt A2
Applicable Industries

API526 Safety valves present the simple safe solution for heavy duty applications, such as crude oil extraction, transportation and processing in
- Refineries
- Chemical industry
- Petrochemical industry
- Oil and gas – Onshore and Offshore
- Vessels and piping systems
- Blow-down systems
- Storage tank farms
Features
LESER´s API Safety Valves cover a large variety of types, materials and options to fit any application:
- Design fully in accordance with API 526 for easy interchangeability
- Complete API 526 range: valve sizes 1″ through 8″ orifice D through T
- Materials: WCB, WCC, CF8M, WC6, LCB, LCC, and a wide range of special materials to fulfill the requirements of critical applications
- Special B3 design for high back pressure applications and material requirements far beyond API Standard
- Fool proof design with fewer parts for built-in safety
- Integral cast support brackets for easy handling and safe installation
- Open or closed bonnet, packed or plain lifting lever or gastight cap
- Flanged connections according ASME and DIN guarantee a worldwide applicability
- One design and spring (single trim) for steam, gas and liquid applications reduces the number of spare parts and ensures low cost maintenance management.
- One-piece spindle reduces friction which leads to high operation accuracy
- Self-draining body design, avoids residues and reduces corrosion
- Horizontal installation
Options
LESER API 526 Series safey relief valves can be customized with a great variety of options, e.g.
- Special connections specified by the customer for optimised adaptation to the plant.
- Stellited or hardened metal sealing for longer product life
- Soft seat solutions for superior tightness
- Balanced bellows for back pressure compensation
- Heating jackets for applications with high viscosity fluids
- Any and every part can be produced in special material exactly to meet customer specification requirements
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LESER Series 526 API Safety Relief Valve

LESER Series 526 API Safety Relief Valve

LESER Series 526 API Safety Relief Valve

Applications

Features

Options

Datasheets