Mafotokozero a valve ya Butterfly
1.Malikonse amene akufunika.
2.Small mphamvu ya ntchito.
3.Long moyo utumiki ndi zosavuta interall.
4.Center-mzere kapena eccentric.
Miyezo:
1. Valve kapangidwe kwa: API609, EN, DIN, GOST.
2. Valve mayeso kuti: API 598, GB13927
3. Nkhani ndi nkhope: API 609, EN, DIN, GOST
4. Flange kubowedwa ndi accoding kuti: GB / T17241, ANSI B16.42, ANSI B16.1 ndi EN1092-2 Mbali.
1. yaing'ono kukula ndi kuwala kulemera; zosavuta kukhazikitsa ndi kukonza; akhoza kukhazikitsidwa kulikonse kumene akufunika.
2. Small torque ya ntchito, mphamvu kupulumutsa.
3. kuthamanga kukwera amakhala molunjika mayeso a zikwi makumi kutsegula / kutseka ntchito.
4. Moyo wautali wa utumiki. Kuyimira mayeso a zikwi zambiri kutsegula / kutseka ntchito.
5. Kusindikiza kwakwangu popanda kutsuka pansi pa kuyesa kuthamanga.
6. Kusankha kwakukulu kwa zipangizo, zogwiritsidwa ntchito kwa zipangizo zosiyanasiyana.