Type 818/811

The 818 / 811 Range of Atmospheric Discharge Safety Relief Valves for Compressed Air & Gases is available with a choice of 6mm, 8mm, 10mm, 13mm or 15mm Nominal Bore. See datasheet for full details.

Example Applications:

• Compressors
• Pressure vessels
• Pneumatic systems
• Transport and railway systems

Notes:

Relieving pressure = Set pressure +10% (0.1 bar below 1.0 bar)
Reseating pressure = Set pressure -10% (0.3 bar below 3.0 bar)

Flows Rates:

Flow calculated based upon: Air @ 15°C and 1013 mbar and are for guidance only, contact Seetru for help in sizing to your specifications.

Types 81806, 81106, 81808, 81108, 81888, 81188, 81810, 81110, 81813, 81113, 81815, 81115

Approvals:

• Designed in accordance with BS EN ISO-4126-1 & -7
• PED 2014/68/EU (CE)
• PE(S)R UK SI 2016 No. 1105 (UKCA)
• ASME BPVC VIII.1 & XIII (UV)
• CRN

Tiny Titans Guarding Giants: Size doesn’t matter when it comes to pressure

From the tiniest valves protecting delicate sensors to the behemoths holding back industrial titans, they stand resolute against the rising tide. They prove that even the smallest guardians can hold back the mightiest forces, keeping your equipment safe, regardless of scale.