1. Wɔ beae a ɛbɛn ɔhyew fibea no, shield valve no betumi akwati ɔhyew a ɛba no.
2. Wɔde nsa a ɛbɔ ho ban gu shield valve so fi owia hann tẽẽ ho.
3. Yɛsrɛ sɛ mfa valve no nni dwuma wɔ corrosive gas, chemicals, salt water, water, steam anaa direct air contact to these things.
4. Ɛsɛ sɛ wɔyɛ ahobammɔ ho nhyehyɛe a ɛfata de bɔ gyinabea no ho ban (baabi a nsu a ɛtɔ gu fam, ngo anaa welding splashes no abɔ mu).
5. Sɛ wɔde solenoid valve no si control panel no so anaasɛ wɔde ahoɔden ma wɔ bere a wɔretrɛw mu no a, ahobammɔ ho nhyehyɛe a ɛfata ne sɛ wɔbɛma ɔhyew a ɛboro so aba na ama ɔhyew no akɔ so ayɛ adwuma wɔ valve no ho nkyerɛkyerɛmu no mu.
6. Mfa nhyɛso anaa mframa a ɛpae nni dwuma .
