SMC Corporation of America
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SMC Regulator (With Backflow Function) AR20(K)-B To AR60(K)-B Series.Features· Specifications with a backflow function feature an inbuilt mechanism for quickly exhausting the air-pressure at the outlet side.

The AR20~40-X48 is an epoxy coated version of the standard modular AR series regulator.  The coating provides an economical alternative for extended life in aggressive or washdown environments. Available sizes: 1/8, 3/8, 1/2 ; Epoxy resin coating & stainless hardware for enhanced protection in corrosive manufacturing environments ; Port sizes: 1/4, 3/8, 1/2 ; NPT threads

The AR20~40-X48 is an epoxy coated version of the standard modular AR series regulator.  The coating provides an economical alternative for extended life in aggressive or washdown environments. Available sizes: 1/8, 3/8, 1/2 ; Epoxy resin coating & stainless hardware for enhanced protection in corrosive manufacturing environments ; Port sizes: 1/4, 3/8, 1/2 ; NPT threads

Body Size: 20, Back Flow: w/o Backflow Function, Thread: Rc, Port Size: 01 (1/8), Mounting: B (w/Bracket), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Downward, Pressure Units: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa

Body Size: 20, Back Flow: w/o Backflow Function, Thread: Rc, Port Size: 02 (1/4), Mounting: B (w/Bracket), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Downward, Pressure Units: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa

Body Size: 20, Back Flow: w/o Backflow Function, Thread: Rc, Port Size: 1/8, Mounting: w/Bracket, Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Downward, Pressure Units: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa

Body Size: 20, Back Flow: w/o Backflow Function, Thread: Rc, Port Size: 1/4, Mounting: w/Bracket, Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Downward, Pressure Units: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa

G (Valve open) Pilot port Indicator (Option) (Back side P2) Bracket (Option) Main port Main port Rc A B C D E F G M N P Q R S T U Model 3 8 1 2 3 4 1 VND20D-10A VND20D-15A VND30D-20A VND40D-25A 63 42 28 14 73.5 81.5 4 52 26 4.5 24.3 2.3 25 34 56 80 90 50 60 35 40 17.5 20 85 101 93 109 5 6 62 72 31 36 5.5 6.5 28.3 33.3 2.3 2.3 30 35 43 49 61.5 74 17-4-40 5 Series VND Steam Valve: 2 Port Valve

1 1 2 5.5 4 8 6 C1 A1 D-A9V D-A9 (Reed switch) D-M9W D-M9 D-M9AL (Solid state switch) D-A9V (Reed switch) D-M9V, D-M9WV D-M9AVL D-M9V D-M9WV D-M9AVL (Solid state switch) C3 CXSJ15 to 32 (mm) Bore size C2 Symbol Auto switch model A1 32 D-M9, D-M9W D-M9AL D-A9V D-M9WV D-M9AVL 15 20 25 1 2 5.5 4.5 1 C1 A1 A1 C1 C2 C3 1 2 5.5 4.5 1 2 5.5 4.5 1 2 5.5 4.5 D-A9 (Reed switch) D-M9 (Solid state switch

Dimensions for Mounting of Auto Switch D-Z7/Z8 (Reed switch) D-Y5, D-Y6, D-Y7 (Solid state switch) A Dimension Bore size (mm) Auto switch model 10 15 20 25 32 6 A D-Y59A/Y7P/Y59B D-Y69A/Y7PV/Y69B D-Y7NWV/Y7PWV/Y7BWV D-Y7NW/Y7PW/Y7BW D-Y7BAL D-Z7, D-Z8 0.2 0.7 6.0 0.7 6.5 1.2 Mounting of Auto Switch When mounting and securing auto switches, they should be inserted into the cylinders switch

Result area (LER ) ) LEY16RA-100BMLLEY16RA-100 LERH30K-3LLERH30K-3 0 ) LEY16RA-75LEY16RALEY16RA-100 LEFSH LEFS ) LEFSH25RH-300LEFS25RH-300LEFS25RH-300 11-)(25A-) 11-25A-11-25A) 11-LEFSH16A-100BRLEFS16A-100LEFS16A-100 29 No.SFOD-OMT0011CN-A c) Execute Execute b) c) (Apply) d), d) download e) 30 No.SFOD-OMT0011CN-A (2) a View(V) 4.1 (1-1-2) View (V) b c) download e) 31 No.SFOD-OMT0011CN-A

(c)BUSY ONINP OFF No. () (d)INP ONBUSY OFF INP ON BUSY OFF (INP ONBUSY OFF) 2 ABS 75 No.SFOD-OMT0009CN-B (3) --(a)No.(INx) (b)DRIVE ON Min.15ms No.(OUTx ) No. No. (c)BUSY ONINP OFF (d)INP ON 2.5[s] ALARM ON( ) BUSY OFF INP ON BUSY OFF 1)(0-149) 2)(d) 2 ABS 76 No.SFOD-OMT0009CN-B (4) HOLD --(a)(BUSY ON)HOLD ON (b)BUSY OFF () No. (c)HOLD OFF No.

H C37 3/4 20 J Stainless steel D 200 VAC E 230 VAC 6 25A N.C.

Auto Switch Proper Mounting Height (Standard type) [mm] Auto switch model D-F5l D-J59 D-F59F D-F5lW D-J59W D-F5BA D-F5NT D-Y59l D-Y7P D-Y7lW D-Y7BA D-Z7l D-Z80 D-M9l D-M9lW D-M9lA D-A9l D-A9lV D-M9lV D-M9lWV D-M9lAV D-A5l D-A6l D-A59W D-Y69l D-Y7PV D-Y7lWV D-P3DWA D-P4DW D-G39 D-K39 D-A3l D-A44 Bore size Hs Ht Hs Ht Hs Ht Hs Ht Hs Ht Hs Ht Hs Ht Hs Ht Hs Ht Hs Ht Hs Ht 32 24.5 23 27.5 23

Step Motor (Servo/24 VDC) Servo Motor (24 VDC) Electric Actuator/Slider Type Ball Screw Drive Secondary Battery Compatible 25A-LEFS Series LEFS16, 25, 32, 40 Refer to page 38 for model selection. How to Order 25A-LEFS 25 H R B 200 S 1 6N 1 q r w e t u y i o !0 !1 !

d. e. f. -46- 7.5. 1. 2. (1mm ) 3. 4. N Nm LEY16 LE-D-2-1 10 0.36 LEY25 LE-D-2-2 19 0.63 LEY32 LE-D-2-3 30 1.5 5. LEY32 Nm LEY16 0.63 LEY25 1.5 LEY32 5.2 6. -47- 8.

Bore size(mm) Auto swich model 40 50 63 80 100 D-A9-900 D-M9-900/M9V-900 D-M9W-900/M9WV-900 90-BA7-040 90-BA7-040 90-BA7-063 90-BA7-080 90-BA7-080 Table 5 Operating Range Bore size(mm) Auto swich model 40 50 63 80 100 D-A9-900 7.5 8.5 9.5 9.5 10.5 D-M9-900/M9V-900 D-M9W-900/M9WV-900 4.5 5 5.5 5 6 Values which include hysteresis are for guideline purposes only, they are

Example) When LEFSH25RH-300 isordered, input LEFS25RH-300 (c) When a Clean type (11-) or Secondary battery type (25A-) is ordered. Search without inputting 11or 25A-, and find the actuator to which 11or 25Ais applicable.

For clean type (11-) or secondary battery (25A-) type actuator Search without entering 11or 25A-, and select the actuator for which the part number after 11or 25Amatches. e.g.) For 11-LEFSH16A-100BR, enter "LEFS16A-100" and select LEFS16A-100.