Body Size: 20, Back Flow: w/o Backflow, Thread: N (NPT), Port Size: 01 (1/8), Options: CE (C+E), Set Pressure: 0.05 to 0.85 MPa Setting, Bowl: Polycarbonate Bowl, Bowl Guard: None, Drain Port: w/Drain Cock, Exhaust Mechanism: Relieving Type, Flow Direction: R (Flow Direction: Right to Left), Drain Cock w/Barb Fitting: None, Pressure Units: Z [Product: psi, °C; Pressure Gauge: psi (and MPa

Model: 31, Orifice: 1 (1.5mm), Style: 0 (N.C., Single Unit), Option: C37, Seals: NBR, Class B, Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: J (230VAC 50/60HZ), Electrical Entry: D (DIN Terminal), Surge Suppressor: Non, Rectifier: R (AC Class B Coil w/Full-wave Rectifier)

Body Size: 20, Back Flow: w/o Backflow, Thread: N (NPT), Port Size: 01 (1/8), Mounting Option: B (With Bracket), Float Type Auto Drain Option: C (N.C.

Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Options: 6LPR (6 + L + P + R), -A: -A

Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Options: 6PRZ (6 + P + R + Z), -A: -A

Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Options: PR (P + R), -A: -A

Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Options: 6LR (6 + L + R), -A: -A

Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Options: 6R (6 + R), -A: -A

Size: 22, Type: R (Pressure Reduction Function), Thread: N (NPT), Port Size: 01 (1/8), Tubing O.D: 07 (1/4")

This is a legacy product, and replaced byASD330F-01-08S, CONTROLLER, DUAL SPEED *LQA, AIRLINE EQUIPMENT, ASD DUAL SPEED CONTROLLER, CB, ASD 1/8INCH STANDARD (PT), .07718 lb, ModelTubing O.D.Controlled flow(Free flow)Metric sizeInch sizeFlow rate l /min (ANR){N R/min}Effective area (mm2)ASD330F?6, ?8?3/16andquot; ?1/4andquot;1752.7

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 01 (1/8), Accessory: None, Specifications: 1R (1 + R), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 01 (1/8), Accessory: BE1 (B+E1), Specifications: 3R (3 + R), Pressure Unit: ZA (Digital Pressure Switch: w/Unit Coversion Function)

Size: 20, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 01 (1/8), Accessory: B (Bracket), Specifications: R (Flow Direction: Right to Left), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 01 (1/8), Accessory: None, Specifications: 3R (3 + R), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 01 (1/8), Accessory: None, Specifications: R (Flow Direction: Right to Left), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 01 (1/8), Accessory: BE1 (B+E1), Specifications: 3R (3 + R), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 01 (1/8), Accessory: E (Square Embedded Pressure Gauge w/Limit Indicator), Specifications: R (Flow Direction: Right to Left), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 01 (1/8), Accessory: BE (B+E), Specifications: 1R (1 + R), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 01 (1/8), Accessory: None, Specifications: 3R (3 + R), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 01 (1/8), Accessory: B (Bracket), Specifications: 3R (3 + R), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)