IMI 3/4″ Expansion Vessel Lockshield & Drain Valve (5351434)

IMI Hydronic Engineering’s Expansion Vessel Isolation & Drain Valve is rated for 120°C (10 bar) and enables you to isolate, drain, and recharge an expansion vessel without draining the hot water or heating circuit. It features a female thread on both sides and a flat sealing union for direct connection to all suitable expansion vessels.

Technical Details & Downloads

Installation manual (PDF download)

Technical manual (PDF download)

Applications:

Heating, solar and cooling water systems.
Deployment in systems according to EN 12828.

Media:

Non-aggressive and non-toxic system media.
Addition of antifreeze agent up to 50%.

Functions:

Shut-off. Maintenance and disassembly of expansion vessels.

Pressure:

Min. admissible pressure, PSmin: 0 bar
Max. admissible pressure, PS: 16 bar

Temperature:
Max. admissible temperature, TS: 120 °C
Min. admissible temperature, TSmin: -10 °C

Material:

Brass.

General:

Can only only be closed with the supplied allen key. Ball valve with DN 15 hose connection for fast draining.