Original Rexroth Pressure Reducing Valve DR 30-5-52/200YM

Some common types:

R900402064 DR10-5-4X/200Y

R900402741 DR10-5-4X/100Y

R900402753 DR20-5-4X/200Y

R900403624 DR10-5-4X/100YM

R900404825 DR10-4-4X/100Y

R900404826 DR20-4-4X/100Y

R900404828 DR20-5-4X/100Y

R900405904 DR20-5-4X/315Y

R900408460 DR10-4-4X/100YM

R900402064 DR10-5-4X/200Y

R900402741 DR10-5-4X/100Y

R900402753 DR20-5-4X/200Y

R900403624 DR10-5-4X/100YM

R900404825 DR10-4-4X/100Y

R900404826 DR20-4-4X/100Y

R900404828 DR20-5-4X/100Y

R900405904 DR20-5-4X/315Y

R900408460 DR10-4-4X/100YM

R900408738 DR15G5-4X/200YM

R900409342 DR20-5-4X/50Y

R900409469 DR20K6-1X/100YMV

R900411282 DR20-5-4X/100YMV

R900412382 DR20-5-4X/100YM

R900412660 DR20-5-4X/200YM

R900413204 DR6DP1-5X/75Y

R900413241 DR6DP2-5X/75Y

R900413242 DR6DP2-5X/150Y

R900413243 DR6DP2-5X/210Y

R900413543 DR10-5-4X/315YM

R900413544 DR10G5-4X/200YM

R900413987 DR10-5-4X/50Y

R900414021 DR20-4-4X/315Y

R900414331 DR10-4-4X/315Y

R900413242 DR6DP2-52/150Y

R900413243 DR6DP2-52/210Y

R900413543 DR10-5-42/315YM

R900413544 DR10G5-41/200YM

R900413987 DR10-5-42/50Y

R900414021 DR20-4-4X/315Y

R900414331 DR10-4-4X/315Y

R900414625 DR20-4-42/315YM

R900415429 DR10-4-42/200Y

R900415430 DR20-4-41/200Y

R900415481 DR10G5-4X/315YM

R900415492 DR10-5-4X/200YM

R900416915 DR10-5-44/100YV

R900417079 DR15G4-44/315YM

R900417080 DR10-4-43/100YV

R900417525 DR20G5-44/200YM

R900417545 DR20G5-44/100YM

R900417653 DR20-5-43/50YM

R900418188 DR10-5-43/50YV

R900418436 DR10G5-43/100YM

R900418952 DR20-4-43/200YM

R900419533 DR15G5-44/50YM

R900419996 DR10-4-44/315YM

R900422568 DR10K5-3X/50YM

R900422809 DR6DP2-52/75YMV

R900423007 DR6DP7-53/210Y

R900425719 DR6DP2-53/75YV

R900430682 DR10K5-3X/315YM

R900430976 DR10K5-3X/50YMV

R900432731 DR10K5-3X/100YMV

R900434785 DR10K4-3X/100YMV

R900435680 DR6DP2-52/210YMV

R900435686 DR6DP2-53/150YMV

R900436586 DR6DP3-5X/150YMV

R900438029 DR10K4-3X/200YMV

R900438117 DR10K5-3X/200YMV

R900438133 DR10K4-3X/200YM

R900438134 DR10K5-3X/200YM

R900438204 DR10K7-3X/200YM

R900442490 DR10K4-3X/100YM

R900442676 DR10K4-3X/315YM

R900450073 DR6DP1-53/75YM

R900455316 DR6DP2-53/210YM

R900458990 DR6DP1-52/150YM

R900459508 DR10K5-3X/100YM

R900465254 DR6DP2-5X/25Y

R900466591 DR6DP1-52/75YM

R900469278 DR6DP1-53/25Y

R900469827 DR10K4-3X/315YMV

R900472020 DR6DP2-52/150YM

R900472190 DR6DP1-53/150Y

R900472420 DR6DP3-52/75YM

R900472470 DR6DP2-52/25YM