One. Security:

1. caustic medium: Appropriate chooses plastic kingElectromagnetism a powerful personAnd completeStainless steel; To strong cankerous medium must choose segregation diaphragm form. Exemple CD-F. Z3CF. Neuter medium, also appropriate is chosenCopperAlloyFor the electromagnetism a powerful person of data of housing of a powerful person, otherwise, middling of carapace of a powerful person has rubiginous bits to fall off, especially the occasion with not frequent movement.

2. explosive atmosphere: Must choose product of grade of corresponding explosion proof, open air is installed or dust much circumstance should be chosen waterproof, dustproof breed.

3.Pressure of nominal of electromagnetism a powerful person should is in charge of more than inside highest actuating pressure.

2. Applicability:

1. medium is characteristic 1.1Simple energy of life, liquid state or the electromagnetism a powerful person that mixture condition chooses different breed respectively, exemple ZQDF is used at air, ZQDF—Y is used at the liquid, ZQDF—2 (or - 3) use at vapour, otherwise easy cause misoperation. ZDF series is muti_function electromagnetism a powerful person criterion but all at gas. Liquid. Bright medium state is declared when had better be being ordered, install an user need not again mode.

1.2 medium temperature is different norms product, otherwise coil is met burn-up, weather strip ageing, affect life life badly.

1.3 medium viscosity, it is normally under 50cSt. If exceed this value, connect diameter to be more than 15mm to use ZDF series muti_function electromagnetism a powerful person is made special order goods. Connect diameter to be less than 15mm to order a powerful person or family of tall viscosity electromagnetism.

1.4 medium cleanness is spent not tall when should deserve to install recoil to filter before electromagnetism a powerful person a powerful person, still can choose when pressure is low move a powerful person of diaphragm type electromagnetism to make continuously for example CD—P.

If 1.5 medium are directional current, and do not allow to flow backwards ZDF—N and ZQDF—N sheet need to use two-way and current, make special requirement put forward please.

1.6 medium temperature should be chosen in electromagnetism a powerful person in limit.

2, Conduit parameter

Requirement of medium flow direction and valve of choice of pipeline link means open 2.1 grounds mouth and model. For example, use at a conduit to two conduit switch, of small diameter choose CA5 and Z3F, medium or big diameter chooses ZDF—Z1/2 please. Be like those who control two conduit converge again, choose ZDF—Z2/1 to wait please.
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