The diaphragm shut-off valve HP 552 is laid out for the use in pure gas supply systems.
The diaphragm shut-off valve has an inlet and an outlet.
Threaded holes on the reverse side connect to a bracket that can be directly mounted on a laboratory wall.

The diaphragm shut-off valve HP 551 is laid out for the use in pure gas supply systems.
The diaphragm shut-off valve has an inlet and an outlet.
Threaded holes on the reverse side connect to a bracket that can be directly mounted on a laboratory wall.

The diaphragm shut-off valve HP 551 is laid out for the use in pure gas supply systems.
The diaphragm shut-off valve has 3 inlets and one outlet.
Threaded holes on the reverse side connect to a bracket that can be directly mounted on a laboratory wall.

HP 504 in stainless steel 1.4404 or Brass consists of a rotameter and a metering valve.

Diaphragm metering valve HP 503 is constructed for precise metering of low flow.

The diaphragm shut-off valve HP 502 is a shut-off for point of use regulators.

The 90° shut-off valve HP 501 is a shut-off for point of use regulators.

HP 500 is a metal diaphragm shut-off valve.