Bosch Rexroth H-4WEH...XE Series - 7.4 Prior to assembly

Assembly 25/52
RE24751-XE-B/10.19, H-4WEH...XE..., BoschRexrothAG
7.4 Prior to assembly
WARNING
Explosion hazard due to wrong area of application!
A valve which is not approved for the area of application may cause an explosion!
▶ Check whether all the explosion protection marks on the name plate of the valve
comply with the information in these operating instructions.
▶ Please check if you have the right valve typeby means of the typedesignation on
the name plate of the valve.
▶ Make sure that the zoneand the temperatureclasscorrespond to the area of
application of the valve.
▶ Check the scope of delivery for completeness and possible transportdamage.
▶ Also observe the safety instructions in chapter2.6 "Product-specific
safetyinstructions".
▶ Transportprotection elements (e.g.cover plates, protective plugs) must be
removed prior to use in an explosive atmosphere.
7.5 Required tools
In order to assemble the valve, you need standard tools only.
7.6 Required accessories
The following accessories are recommended for the connection of the valve. These
accessories are not included in the scope of delivery and can be ordered separately
from BoschRexroth:
Table 8: Valve mounting screws
Valve type Type Quantity Friction coefficient
accordingto
VDA235-101
Material number
H-4WEH10... ISO 4762-M6x45-10.9 4 0.09...0.14 R913043777
H-4WEH16... ISO 4762-M10x60-10.9 4 0.09...0.14 R913014770
ISO 4762-M6x60-10.9 2 0.09...0.14 R913043410
H-4WEH25... ISO 4762-M12x60-10.9 6 0.09...0.14 R913015613
H-4WEH32... ISO 4762-M20x80-10.9 6 0.09...0.14 R913008472
Subplates with dimensions for valves with porting pattern according to
ISO4401 are listed in the "Datasheet45100".
The address of our responsible sales organizations can be found on the Internet on
www.boschrexroth.com
and in appendix 16.1 "List of addresses".
Valve mounting screws
Subplates
Ordering address for
accessories and valves