The valves BR 22 are used as control elements in automatic controland remote control systems. They are designed to control the intensity of flow of liquids and gases. Internal valve parts and bellows made of PTFE.
they are designed to control the flowrate of agresive media
one piece construction of valve's body
internal body sealing (PTFE) with the thicknes of 2,5 mm
special kind of stem guiding in bonnet
easy replaceable rotary seat in body of valve
wide range of pneumatic and electric actuators
TECHNICAL DATA
Valve
Nominal diameter
DN 25 ... DN 100
Nominal pressure
PN 10, 16 ANSI 150
Flow Coeficients
0,01 ... 120 m3/h
Flow Characteristic
quick opening, equal percentage, linear
Control range
50:1
Shut off tightness
standard for IEC 534/4 class IV - <0,01% Kvs
extension for IEC 534/4 class VI - bubble type
Temperature
-30 ... +150°C
Body materials
spheroidal cast iron 400-18 (GGG 40.3) Seal:
PTFE with the thickness of 2,5 mm
or PTFE with ceramic layers Plug:
PTFE or ceramic Seat:
PTFE or ceramic
Contact
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