Single Area Valve Service Unit (AVSU)

line shut-off valve that meets the HTM 02-01 requirements

The Single Area Valve Service Unit allows local isolation of a facility’s medical gas pipeline area.

Installed as a flush or surface-mounted & easily accessible, isolation is done quickly & reliably in case of emergency or for periodic maintenance.

Including non-interchangeable gas-specific NIST connectors fitted upstream & downstream of the valve for pressure testing or as a bypass.

Area Valve Service Units are available in pipeline sizes from 22mm up to 42mm.
Manufactured & fully complied in accordance with the NFPA99, EN ISO 7396-1 & HTM02-01 requirements.

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Spec Sheet

Features and benefits

Compact case – Enable installation in small spaces and multiple AVSU’s are to be mounted one on top of each other, utilizing their small dimensions.
Large transparent window providing a clear view of the gas identification & valve state. Maintenance & commissioning – Equipped with two non-interchangeable, gas-specific NIST connectors used during commission & other gas pressure testing Integrated pressure gauge & electronic pressure sensors.
Installation: Can be installed as a flush or surface-mounted Stub extension to ensure no disruption of pipework during installation.

Silbermann’s Quality Management System:

EN ISO 13485-2016; ISO 9001-2015.

Medical Gas System Standards:

EN ISO 7396-1 & HTM02-01 requirements.

Specifications

AVSU unit shall be of Silbermann’s series.
Material:
- Box – powder-coated galvanized steel
- Valve – Brass
The window shall be marked with the following: “IN EMERGENCY BREAK GLASS AND CLOSE VALVE”
Copper stubs shall be fully degreased for oxygen use
All pipe stub extensions shall be supplied with suitable plugs or caps to prevent contamination of the assembly before installation.
Valves shall be available with separate replaceable ball valves, a device for physical separation, and a NIST body.
Valves shall be supplied with a medical gas identification label