نام محصول:
دریچه
نام انگلیسی:
Ball valve BOFB…K…B
برند:
GRUNER
مشخصات:
Control ball valve to control the flow of hot and cold water and Glykol solutions (max. 50%) in HVAC systems conjunction with a rotary actuator
Technical data
Valve
Flow disc : with and without flow disk
Media : – hot and cold water (VDI 2035)
– water with glycol (max. 50%)
– steam 121°C at 103 kPa
Close-off pressure ps : 1380 kPa
Differential pressure pmax : 600 kPa (without flow disk)
340 kPa (with flow disk)
Differential pressure note : 240 kPa (low noise operation)
Flow characteristic : equal percentage at 2-way/3-way valve
linear at 3-way valve in bypass
(VDI/VDE 2178)
Leakage rate : < 0.01% from the Kvs, < 1% for bypass port
leak-proof
Connection : female thread (Rp, ISO 7/1)
Angle of rotation : 0…max. 90°
Mounting position : vertical to horizontal (in relation to shaft)
Materials
Case : brass (DIN EN 12165, CW617N)
Valve ball : stainless steel (EN 10088-2)
Valve shaft : stainless steel (EN 10088-2)
Valve shaft gasket : 2 x EPDM O-ring
Gasket : PTFE with graphite part and EPDM O-ring
Flow disc : AMODEL AS 1145HS
Lubrication : accordance with approval
توضیحات:
Type
ball
Operation
electric
Function
flow control
Media
for hot water, for steam
Body
female, stainless steel, brass
Applications
for HVAC installations
Number of channels
3-way, 2-way
Other characteristics
DIN, with actuator
DN
Max.: 50 mm(1.969 in)Min.: 15 mm(0.591 in)
Pressure
40 bar(580.2 psi)
Temperature
Max.: 140 °C(284 °F)Min.: -30 °C(-22 °F)
Flow rate
Max.: 63 m³/h(2,224.82 ft³/h)Min.: 0 m³/h(0 ft³/h)
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