نام محصول:
دریچه
نام انگلیسی:
Butterfly valve
برند:
Flowrates
مشخصات:
Fully CNC machined for optimum resistance for heavy duty applications !
These dampers are primarily wafer design but can, if necessary, be produced with flanges, spool piece or lugg.
The valve is intended to be used as an isolating (shutoff) or control (regulating) valve in which closing is realized by turning the disc attached to the shaft in a range of 0-90°.
The valve is designed for bi-directional flow of the fluid where the tightness of the obturator depends on the design. Achievable class I – II – III according to Ansi FCI 70/2.
The valves are equiped with adjustable stuffing box and graphite braids.
Above 300°C, the valves are equiped with external bearing. It is possible to install a lantern ring in the stuffing boxes that will enable flushing and overpressure – securing a perfect tightness to atmospher in chemical applications.
The face to face of these valves are kept to the shortest pattern but can be extended on request
Actuator connection
according to ISO 5211
adapted to work with customer actuators or on site actuators
Applicable directives
Declaration of C onformity in c ompliance with Machinery Directive
CE Directive
Declaration of C onformity in compliance with EU Directive
PED Directive
Tightness class
possible class I, II and III ac c. to FCI 70-2 (ex ANSI B16.104)
توضیحات:
Type
butterfly
Operation
pneumatic, electric, hydraulic
Function
for control, isolation, regulating
Body$
flange, wafer, lug type
Applications
for the chemical industry, for the petroleum industry, for boiler, for heavy-duty applications
Material$
stainless steel, carbon steel, graphite
Other characteristics
ISO, bidirectional, high-temperature
DN
Min.: 50 mm(1.969 in)Max.: 2,000 mm(78.74 in)
Temperature
Min.: -30 °C(-22 °F)Max.: 1,050 °C(1,922 °F)
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