Intrinsically Safe Explosion-proof System 5 Port Solenoid Valve Single Unit Base Mounted 51 SY 5 2 40 A LL Explosion-proof 5 7 9 51-SY5000 51-SY7000 51-SY9000 Series 1 2-position single Type of actuation 2 2-position double 3 Note) 3-position closed center 4 Note) 3-position exhaust center 5 Note) 3-position pressure center Note) 3-position type is not available for the 51- SY9000 series. Nil F N T Rc G NPT NPTF Thread type Symbol L Electrical entry L-type plug connector Electrical entry Note) The lead wire of TT-type is connected to the terminal block. LL L-type plug connector with cover TT Note) Terminal type A B F Z728.H (51-SYE100-A) MTL728P + (51-SYE100-B) KFD0-SD2-Ex1.1065 (51-SYE100-F) System Note 1) Note 2) Symbol 3 6 10 15 20 30 100 Lead wire length 300 mm 600 mm 1000 mm 1500 mm 2000 mm 3000 mm 10000 mm Note . Maximum length for L-type . . . . Semi-standard Lead wire length Symbol Nil Port size Without sub-plate 3/8 With sub-plate 02 51-SY5000 51-SY7000 51-SY7000 51-SY9000 03 1/2 With sub-plate 04 51-SY9000 Applicable series 1/4 With sub-plate Port size Nil: Non-locking push type E: Push-turn locking lever type D: Push-turn locking slotted type Manual override Nil R Internal pilot External pilot Pilot type Series 51-SY5000/7000/9000 How to Order 51 Intrinsically safe explosion-proof structure Note 1) Attached barrier type The numbers in ( ), 51-SYE100- represents SMC’s control number. Note 2) If the barrier is not necessary due to valve replacement etc, enter O after the system symbol. Example) 51-SY5140-AOLL3 14 B