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Ball valve BOFB...K...B
electricflow controlfor hot water

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Characteristics

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)

Description

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