Pilot Operated Regulator AR425 to 935 Series

Put nothing for Rc and N for NPT thread. Please consult with SMC for NPT pressure gauge. Note 2) Use caution not to tighten excessively when mounting a pressure gauge, otherwise it may result in a breakdown. Use a sealant tape for sealing.

Size: 3 (30), Valve Type: 1 (Normally Closed), Body Material: C (Brass), Seal Material: N (NBR), Port Size: 04 (Thread; 1/2), Thread Type: N (NPT), Rated Voltage: B (24 VAC), Electrical Entry: DN (without DIN Connector, w/Surge Voltage Suppressor)

Size: 4 (40), Valve Type: 1 (Normally Closed), Body Material: S (Stainless Steel), Seal Material: N (NBR), Port Size: 04 (Thread; 1/2), Thread Type: N (NPT), Rated Voltage: B (24 VAC), Electrical Entry: DN (without DIN Connector, w/Surge Voltage Suppressor)

Size: 3 (30), Valve Type: 1 (Normally Closed), Body Material: S (Stainless Steel), Seal Material: N (NBR), Port Size: 04 (Thread; 1/2), Thread Type: N (NPT), Rated Voltage: B (24 VAC), Electrical Entry: DN (without DIN Connector, w/Surge Voltage Suppressor)

Rated Flow Range: 20 (2 to 16 L/min), Flow Adjustment Valve: w/o Flow Adjustment Valve, Thread: N (NPT), Port Size: 04 (1/2), Output Specification/Temperature Sensor: B (Out 1: PNP, Out 2: Flow Rate: PNP, Temp.: None, Temperature Sensor: None), Lead Wire: N (w/o Lead Wire and M8 Connector), Unit Specification: F (Instantaneous Flow: gal/min, Accumulated Flow: gal, Temperature: °F), Bracket

Rated Flow Range: 40 (5 to 40 L/min), Flow Adjustment Valve: w/o Flow Adjustment Valve, Thread: N (NPT), Port Size: 04 (1/2), Output Specification/Temperature Sensor: 1 (Out 1 Flow Rate: Analog 1 to 5 V; Out 2 Temperature: None; Temperature Sensor: None), Lead Wire: N (w/o Lead Wire and M8 Connector), Unit Specification: G [Instantaneous Flow: L/min (gal/min), Temperature: °C/°F], Bracket

Body Material: 1 [ADC12 (Aluminum)], Diaphragm Material: 2 [NBR (Nitrile Rubber)], Actuation: 0 (Automatically Operated), Thread: N (NPT), Port Size: 04 (1/2), Option: N (Silencer)

Body Material: 2 [SCS14 (Stainless Steel)], Diaphragm Material: 1 [PTFE (Fluororesin)], Actuation: 0 (Automatically Operated), Thread: N (NPT), Port Size: 04 (1/2), Option: N (Silencer)

Body Material: 2 [SCS14 (Stainless Steel)], Diaphragm Material: 2 [NBR (Nitrile Rubber)], Actuation: 0 (Automatically Operated), Thread: N (NPT), Port Size: 04 (1/2), Option: N (Silencer)

Body Material: 1 [ADC12 (Aluminum)], Diaphragm Material: 1 [PTFE (Fluororesin)], Actuation: 0 (Automatically Operated), Thread: N (NPT), Port Size: 04 (1/2), Option: N (Silencer)

Body Material: 0 [PP (Polypropylene)], Diaphragm Material: 1 [PTFE (Fluororesin)], Actuation: 0 (Automatically Operated), Thread: N (NPT), Port Size: 04 (1/2), Option: N (Silencer)

Operating Pressure 1.6 MPa), Thread Type: N (NPT - Made to Order), Port Size: 04 (1/2), Option: N (Silencer), Semi-standard: Z (Display Units for Product Nameplate & Pressure Gauge: psi)

Made to Order: 20 (Copper-free/Fluorine-free), Body Size: 40A (1/2, Handle-operated Type), Thread Type: N (NPT - Made to Order), Port Size: 04 (1/2), Option: N (Silencer), Semi-standard: Z (Display Units for Product Nameplate & Pressure Gauge: psi)

Made to Order: Standard, Body Size: 42A (1/2, Air-operated Type), Thread Type: N (NPT - Made to Order), Port Size: 04 (1/2), Option: N (Silencer), Semi-standard: Z (Display Units for Product Nameplate & Pressure Gauge: psi)

Made to Order: Standard, Body Size: 40A (1/2, Handle-operated Type), Thread Type: N (NPT - Made to Order), Port Size: 04 (1/2), Option: N (Silencer), Semi-standard: Z (Display Units for Product Nameplate & Pressure Gauge: psi)

Body Size: 40, Backflow: K (w/Backflow Function), Thread: N (NPT), Port Size: 04 (1/2), Options: BE (B+E), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: N (Non-relieving Type), Flow Direction: Left to Right, Knob: Downward, Pressure Units: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Mounting: None, Float Type Auto Drain: C (N.C.

Atex: 55- (ATEX category 2 - II 2GDc), Body Size: 5 (1/2 Standard), Body Material: 2 (SCS14, Stainless Steel), Diaphragm Material: 1 [PTFE (Fluororesin)], Switching Type: 0 (Automatically Operated), Thread: N (NPT), Port Size: 04 [1/2 (15A)], Option: N (w/Silencer)

Atex: 56- (ATEX category 3 - II 3GD), Body Size: 5 (1/2 Standard), Body Material: 0 (PP, Polypropylene), Diaphragm Material: 1 [PTFE (Fluororesin)], Switching Type: 0 (Automatically Operated), Thread: N (NPT), Port Size: 04 [1/2 (15A)], Option: N (w/Silencer)

Flow Range: 51 (50~500 l/min), Thread: N (NPT Thread), Port Size: 04 (Port Size 1/2), Wiring Specification: N (w/o Lead Wire)