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Product Name:Vacuum Butterfly Valve
Product Classification:Butterfly valves
Product Introduction: As closed equipment, the butterfly valve is adjusted used in the roughing line of free corrosion moist steam. The seal shaft during the valve is used 0.25 MPa pressure integrity, to ensure it won’t be leaking. The structure of DS9D41X-2.5C is double seat style. During the seats and shaft, it’s the rubber seal which is combined with the pressure integrity (0.25 MPa). Depend on the users, the valve could install electric heating device on the body.
Description Parameters Size Chart Application

Specification:

nominal pressure : <0.25Mpa

nominal diameter: 300-3200mm

suitable temperature:<200°c

vacuum leaking rate : ≤ 6.67X 10-2PaM3S-1

Main parameter

Main parts material

DK941X-2.5C The main external connection dimensions of vacuum butterfly valve.(unit:mm)
產(chǎn)品外形及結(jié)構(gòu)尺寸示意圖
 After the installation, regular maintenance is necessary. The maintenance scopes are mainly as follows:
(1)  the abrasion condition of sealing surface;
(2)  the abrasion condition of valve stem and its trapezoidal nut;
(3)  the abrasion condition of "O" rubber sealing ring;
(4)  Whether packing is effective;
(5) Whether there is dirt accumulation in cavity;
(6) Whether the trip switch and over torque protection device of the electric valve are in good condition;
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Butterfly Valves | Ball Valves -Beijing High & Medium Pressure Valves Co.,Ltd All Rights Reserved  Website Hotline400-666-1929
Tel:010-51293388  Phone:13901003528  Fax:010-51410308  E-mail:bvc@bvc.cc
Sales Address: Fengtai District, Beijing West International Trade Building, Building 9, Room B2-1028
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