Type 818

Atmospheric Discharge Safety Relief Valves for Compressed Air & Gases

Product Description

The 818 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.

Available for Same-Day Despatch

Applications:

Compressors
Pressure vessels
Pneumatic systems
Transport and railway systems

View or Download Datasheet

Type 818 Range of Atmospheric Discharge Safety Relief Valves for Compressed Air & Gases

Technical Information Type 818 Range

Min. Pressure

0.48 bar (6.96 psi) *
Max. Pressure

50.90 bar (738.05 psi) *
Temperature Range

-60 °C to 200 °C (subject to seal material)
Inlet Connection(s)

1/4" to 1" BSP, BSPT or NPT inlet *
Flow Rate

Refer to Flow Tables on the datasheet
Materials

Brass
Bore Sizes

6mm, 8mm, 10mm, 13mm, 15mm
Seal Materials

Viton® / HNBR
Test Certification

Included - supplied Free of charge

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.

Downloads

View or Download the Type 818 / 811 Datasheet

Full Technical Information - Including Flow Rates

View or Download the Type 818 / 811 Datasheet

Seetru offers a wide range of downloadable datasheets for our products, including safety relief valves, liquid-level gauges, and sight glasses. These datasheets provide detailed information on the technical specifications, features, and applications of Seetru products. They are an essential resource for engineers, designers, and other professionals who need to select the right Seetru products for their specific needs.

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Brochures & Catalogues View or Download the Type 818 / 811 Datasheet

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