Rexroth Proportional valve servo valve 4WRDE10V1-100P-5X/6L24TK9/MR 

More models:

4WRDE10W1-100L-5X/6L24K9/V
4WRDE25V220L-5X/6L15ETK9/WG152M
4WRDE32W600L-5X/6L24K9/WG152M
4WRDE10V1-100L-5X/6L24K9/V
4WRDE16W200L-5X/6L24EK9/M
4WRDE10V50L-5X/6L24EK9/MR
4WRDE10E50P-5X/6L24K9/MR
4WRDE25V220L-5X=6L15ETK9/WG152M
4WRDE16V125L-5X=6L15ETK9/M
4WRDE16W1-200L-5X/6L24TK9/M
4WRDE25V350P-5X/6L24K9/MR
4WRDE16V125P-5X/6L24TK9/M
4WRDE27W500L-5X/6L24K9/MR-280
4WRDE16W1-125L-5X/6L24K9/MR-280
4WRDE16W1-200L-5X/6L24K9/MR-280
4WRDE25V000S-5X/6L15K9/VR-469
4WRDE25E1-350L-5X/6L24K9/WG152MR
4WRDE27W1-500P-5X/6L24K9/WG152MR
4WRDE16E1-125L-5X/6L24ETK9/WG152MR
4WRDE10V1-100P-5X/6L24TK9/MR