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Backflow

w/o Backflow Function

K (w/Backflow Function)

Body Size

Exhaust Mechanism

Relieving Type

Flow Direction

Left to Right

Knob

Downward

Options

w/o Mounting Option

E (Square Embedded Type Pressure Gauge, w/Limit Indicator)

B (w/Bracket)

E2H (E+2+H)

E3 (E+3)

M (Round Type Pressure Gauge, w/Color Zone)

G (Round Type Pressure Gauge, w/Limit Indicator)

Port Size

03 (3/8)

04 (1/2)

01 (1/8)

02 (1/4)

Pressure Units

Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa

Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)

ZA (Digital Pressure Switch: w/Unit Selection Function)

Set Pressure

0.05 to 0.85 MPa Setting

Thread

N (NPT)

F (G)

AR30K-03B-D

AR40-N04-Z-D

AR30-N03-Z-D

AR20K-02H-D Air Regulator with Backflow FunctionCompact pneumatic air regulator for stable downstream pressure control with built-in backflow prevention and relieving exhaust.<ul><li>Integrated backflow function</li><li>Relieving type exhaust</li><li>Body size: 20</li><li>Port size: 1/4&quot; Rc</li><li>Pressure adjustment range: 0.05 to 0.85 MPa</li><li>Flow direction: left to right</li><li>Panel mount with set nut (no bracket)</li><li>Downward-facing adjustment knob</li><li>No pressure gauge</li><li>No digital pressure switch</li><li>Units: MPa (SI)</li><li>Standard configuration</li></ul>

SMC AR-D Modular Air Regulators