Pressure switches - Bieri Hydraulik - (Version JPG) - PDF Catalogue | Technical Documentation

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Shut-off valve, Hydraulic distributor, Hydraulic pump, Micro pump, Relief valve

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Superior conception

Piston type pressure switch with one change-over switch, easily adjustable over the entire pressure range, with scale for presetting of the pressure switching point.

Hydraulik

Real Swiss quality

Designed for rough operating conditions, insensitive to hydraulic overloads, specially developed piston seal, housing made of anodized light metal alloy, degree of protection IP 64, with instrument plug according DIN 43650.

Easy to install

Ideal overall dimensions, can be mounted in any operation position, turnable under full pressure around the longitudinal axis, instrument plug turnable by 4x 90°.

Universal application

7 pressure ranges for the optimal adaptation to any operating pressure, suitable for mineral oils (HLP-oils according DIN 51524), other mediums on request.

Damping

For the protection of the pressure switch we recommend the installation of a damping element as for example a throttle screw with double fitting according to the table below.


		Pressure	Overload	Double fitting G 1/4'' - G 1/4'' part no. 36796		Double fitting G 1/2'' - G 1/4'' part no. 33222
Type		up to bar	max. bar	Throttle screw part no.	mm	Throttle screw part no.	mm
DV7.	60.33006	60	130	42355	0.5	23848	0.5
DV7.	100.33010	100	360	42355	0.5	23848	0.5
DV7.	180.33018	180	360	42355	0.5	23848	0.5
DV7.	250.33025	250	500	42355	0.5	23848	0.5
DV7.	400.33040	400	800	42352	0.2	21063	0.2

DV7. 600.33060 600 1200 42352 0.2 21063 0.2

DV7. 1000.33100

1000 1200 42352 0.2

21063 0.2

Pressure switches - Bieri Hydraulik - #1

Shut-off valve, Hydraulic distributor, Hydraulic pump, Micro pump, Relief valve