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Chwazi bon valv la boul elektrik pou sistèm HVAC

Chwazi yon valv ki apwopriye boul elektrik enpòtan anpil pou optimize efikasite sistèm HVAC, fyab, ak presizyon kontwòl. Isit la yo se faktè kle yo konsidere:

1. gwosè ak kapasite koule

Koresponn ak gwosè a valv nan dyamèt la tiyo HVAC (egzanp, ½ "a 4") pou fè pou evite restriksyon koule oswa gout presyon twòp. Kalkile koyefisyan koule obligatwa a (CV) ki baze sou pousantaj koule sistèm ak diferans presyon -tiyo ki pa gen pwoblèm ka lakòz inefikas, pandan y ap moun gqo ka mennen nan presizyon kontwòl pòv yo.

2. konpatibilite materyèl

Kò valv yo ak eleman entèn yo dwe reziste korozyon soti nan likid HVAC (dlo, melanj glycol, oswa frigorifik). Pou dlo ki baze sou sistèm, kwiv oswa fè jete se pri-efikas ak dirab. Pou refwadisman korozivite, patisipe pou asye pur . Seals yo ta dwe itilize EPDM oswa Viton asire sere fèmen ak konpatibilite ak likid sistèm.

3. Kalite Aktuateur ak Kontwòl

Chwazi ant sou/sou actionneurs pou senp louvri/operasyon fèmen (egzanp, izolasyon zòn) ak modulation actionneurs pou ajisteman koule egzak (egzanp, règleman tanperati). Tiyo modulation, ak 0-10v oswa 4-20mA siyal kontwòl, ofri akor sibtilite pou lè varyab oswa sistèm koule dlo. Asire ke Rating koupl la active a alimèt gwosè a tiyo pou fè pou evite blocage.

4. Presyon ak tanperati evalyasyon yo

Tcheke maksimòm presyon k ap travay valv la (tipikman 150-300 psi) ak ranje tanperati (-30 ° F a 70 ° F pou pifò aplikasyon pou HVAC) nan kondisyon sistèm kostim. Sistèm segondè-tanperati (egzanp, chofaj idwonik) ka mande pou tiyo ki gen sele ki reziste chalè ak kò.
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5. Fyab ak enstalasyon

Priyorite tiyo ak actionneurs elektrik dirab (IP65/IP67 evalyasyon pou rezistans imidite) kenbe tèt avè anviwònman HVAC. Gade pou karakteristik tankou manyèl pase sou desizyon pou operasyon ijans ak aliye fasil (flanged oswa fil koneksyon) senplifye enstalasyon ak antretyen.
Pa konsantre sou gwosè, materyèl, kalite kontwòl, ak evalyasyon operasyonèl, ou ka chwazi yon valv boul elektrik ki amelyore pèfòmans sistèm HVAC ak diminye depans antretyen alontèm.
July 24, 2025
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