International Electrotechnical Commission
Ingress protection rating
Hydraulic connections (actuator)
Hydraulic connection (tank)
Hydraulic connection (pump)
Hydraulic connection (pilot oil)
American National Standards Institute
2 Safety instructions
2.1 General information on this chapter
The product has been manufactured according to the generally accepted codes of
practice. However, there is still the danger of personal injury and damage to property
if you do not observe this chapter and the safety instructions in this documentation.
Read this documentation completely and thoroughly before working with
Keep this documentation in a location where it is accessible to all users at
Always include the required documentation when you pass the product on to
2.2 Intended use
The product is a hydraulic component.
You may use the product as follows:
• as a pilot-operated valve with solenoid actuation for intended use in explosive
The product is only intended for professional use and not for private use.
Intended use includes having read and understood this documentation completely,
especially chapter 2 "Safety instructions".
The valve is designed and constructed for the control of oil flows. It complies with
the requirements of the EU explosion protection directive 2014/34/EU. According
to directive 2014/34/EU, the device group, category and temperature class to which
the valve corresponds are indicated in the "Area of application" section of the
RE 24751-XE-B/04.16, H-4WEH...XE..., Bosch Rexroth AG