Collocations for valve - noun

safety
shut-off
non-return, one-way
exhaust, inlet
drain, pressure-relief
fuel, water, etc.
heart, radiator, etc.
faulty, leaking

fit, install
The plumber will fit some new safety valves.

open
You need special tools to open the valve.

close

Valve is used before these nouns:
replacement

Valve is used after these nouns:
control, pressure, radiator, release, relief, safety