Pressure switch FF 4 VdS

Pressure switch FF 4 VdS

Pressure switch FF 4 VdS
For firefighting equipment, VdS-approval
Perbunan diaphragm
Pressure connector: I (G 1/2“ Female thread, DIN 1725/2), ALSi 12
Pressure range: 2, 10, 16 bar

Product description Pressure switch FF 4 VdS

Mechanical Pressure switch with perbunan diaphragm
Pressure connector: I (G 1/2“ Female thread, DIN 1725/2), ALSi 12.
FF 4-2 VdS, typical alarm pressure switch. The setting range is limited to 1 bar
FF4-2VdS DRI, typical alarm pressure switch with manual reset
FF 4-10 VdS and FF 4-16 VdS pressure switches limit the differential to 1.5 bar maximum
All FF 4-... VdS used in fixed for water extinguishing systems, VdS-approved

 

Order
reference

Upper
switch point
adjustable (bar)

Lower
switch point
adjustable (bar)
Smallest
diff.*
(bar)
Max.
operating
pressure (bar)
Max.
test
pressure (bar)
Standard
setting
(bar)
Part No.
FF 4-2 VdS DAI 0,35 ... 1 0,25 ... 0,9 0,1 fest 20 40 0,6 / 0,7 1020068
FF 4-2 VdS DRI**
0,5 ... 1   0,2 fest 20 40 ... / 0,7 1020070
FF 4-10 VdS DAI
0,7 ... 10 0 ... 8,5 0,5 ... 1,5 40 40 4 / 5 1020080
FF 4-16 VdS DAI
1 ... 16 0,5 ... 15 0,8 ... 1,5 48 48 11 / 12 1020067
          **FF 4- 2 VdS DRI with manual reset

 

Bedienungsanleitung Pressure switch FF 4 VdS

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