13
Pilot Operated Pressure Relief Valves
Series R4V*/R6V*/DSDU*
Parker Hannifin Corporation
Parker Hannifin Corporation
Translation from German
R_V-DSDU 5715-661 UK.indd 11.12.19
15. Other documentation
Other applicable standards / rules
• 2014/68/EU
Pressure Equipment Directive
• 2006/42/EC
Machinery Directive
• 2014/35/EU
Low Voltage Directive
• ISO 4406:1999-12
Hydraulic fluid power - Fluids - Method for
coding the level of contamination by solid
particles
• ISO 6264:1998-03
Hydraulic fluid power - Pressure relief valves -
Mounting surfaces
• DIN EN ISO 4126-4:2013-12
Safety devices for protection against exces-
sive pressure - Part 4: Pilot-operated safety
valves
• DIN EN 60204-1:2007-06; VDE 0113-1:2007-
06
Safety of machinery – Electrical equipment of
machines – Part 1: General requirements
• DIN EN 60529:2014-09; VDE 0470-1:2014-09
Degrees of protection provided by enclosures
(IP code)
• ISO 4401:2005-07
Hydraulic fluid power - Four-port directional
control valves - Mounting surfaces
• DIN 51524-1:2017-06
Pressure fluids - hydraulic oils - Part 1: hy-
draulic oils HL; Minimum requirements
• DIN 51524-2:2017-06
Pressure fluids - hydraulic oils - Part 2: hy-
draulic oils HLP; Minimum requirements
• AD 2000-Merkblatt W 3/1:2015-11
Cast iron materials - Cast iron with lamellar
graphite (grey cast iron) non-alloy and low
alloy
• AD-2000-Regelwerk W3/2:2015-11
Spheroidal-graphite cast iron, non-alloy and
low alloy
