Size: 20, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 01 (1/8), Accessory: E3 (PNP Output, Electrical Entry: Wiring Bottom Entry), Specifications: 1 (0.005 to 0.2 MPa Setting), 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: E (Square Embedded Pressure Gauge w/Limit Indicator), Specifications: 3 (0.008 to 0.6 MPa Setting), 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: E4 (PNP Output, Electrical Entry: Wiring Top Entry), Specifications: 1 (0.005 to 0.2 MPa Setting), 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: E3 (PNP Output, Electrical Entry: Wiring Bottom Entry), Specifications: 3 (0.008 to 0.6 MPa Setting), 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: E1 (NPN Output, Electrical Entry: Wiring Bottom Entry), Specifications: 1 (0.005 to 0.2 MPa Setting), 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: E2 (NPN Output, Electrical Entry: Wiring Top Entry), Specifications: 1 (0.005 to 0.2 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Style: Pressure Switch w/ T-Spacer, Body Size: 20 (AC20), Thread Type: N (NPT), Port Size: 01 (1/8), Set Pressure Range: 6 (0.1 to 0.6 MPa), Lead Wire Length: L (3m), Pressure Unit of the Scale Plate: P (MPa/psi Dual Scale)

Style: Pressure Switch w/ T-Spacer, Body Size: 30 (AC30), Thread Type: N (NPT), Port Size: 01 (1/8), Set Pressure Range: 6 (0.1 to 0.6 MPa), Lead Wire Length: L (3m), Pressure Unit of the Scale Plate: P (MPa/psi Dual Scale)

Style: Pressure Switch w/ T-Spacer, Body Size: 30 (AC30), Thread Type: N (NPT), Port Size: 01 (1/8), Set Pressure Range: 6 (0.1 to 0.6 MPa), Lead Wire Length: 0.5m, Pressure Unit of the Scale Plate: P (MPa/psi Dual Scale)

Style: Pressure Switch w/ T-Spacer, Body Size: 30 (AC30), Thread Type: N (NPT), Port Size: 01 (1/8), Set Pressure Range: 0.1 to 0.4 MPa, Lead Wire Length: L (3m), Pressure Unit of the Scale Plate: P (MPa/psi Dual Scale)

Style: Pressure Switch w/ L-Shaped Piping Adapter, Body Size: 20 (AC20), Thread Type: N (NPT), Port Size: 01 (1/8), Set Pressure Range: 0.1 to 0.4 MPa, Pressure Unit of the Scale Plate: MPa, Lead Wire Length: L (3m), Mounting Position: Right

Style: Pressure Switch with Piping Adapter, Body Size: 20 (AC20), Thread Type: N (NPT), Port Size: 01 (1/8), Set Pressure Range: 0.1 to 0.4 MPa, Lead Wire Length: 0.5m, Pressure Unit of the Scale Plate: P (MPa/psi Dual Scale), Mounting: Right

Body Size: 2 (1/8, 1/4), Control Type: 0 (Meter-out), Thread Type: N (NPT), Port Size: 01 (1/8), Applicable Tubing O.D.: 07 (ø1/4"), Seal Method: S (with Sealant), Option: H [for General Environments, Brass Parts (External); Ni Plating]

Body Size: 2 (1/8, 1/4), Control Type: 0 (Meter-out), Thread Type: N (NPT), Port Size: 01 (1/8), Applicable Tubing O.D.: 07 (ø1/4"), Seal Method: S (with Sealant), Option: BH [for Welding Environments, Brass Parts (External), No Plating)

Body Size: 2 (1/8, 1/4), Control Type: 1 (Meter-in), Thread Type: N (NPT), Port Size: 01 (1/8), Applicable Tubing O.D.: 07 (ø1/4"), Seal Method: S (with Sealant), Option: H [for General Environments, Brass Parts (External); Ni Plating]

Body Size: 2 (1/8, 1/4), Control Type: 1 (Meter-in), Thread Type: N (NPT), Port Size: 01 (1/8), Applicable Tubing O.D.: 09 (ø5/16"), Seal Method: S (with Sealant), Option: H [for General Environments, Brass Parts (External); Ni Plating]

Body Size: 2 (1/8, 14), Type: 2 (Elbow), Control Type: 0 (Meter-out), Model: 1FS, Thread: N (NPT), Port Size: 01 (1/8), Width Across Flats: 9 mm (or None: Sizes 2/3/4), Applicable Tubing: 06 (ø6), Seal: S (with Sealant)

Body Size: 2 (1/8, 14), Type: 2 (Elbow), Control Type: 0 (Meter-out), Model: 1FS, Thread: N (NPT), Port Size: 01 (1/8), Width Across Flats: 9 mm (or None: Sizes 2/3/4), Applicable Tubing: 03 (ø5/32"), Seal: without Sealant

Body Size: 2 (1/8, 14), Type: 2 (Elbow), Control Type: 0 (Meter-out), Model: 1FSG, Thread: N (NPT), Port Size: 01 (1/8), Width Across Flats: 9 mm (or None: Sizes 2/3/4), Applicable Tubing: 23 (ø3.2), Seal: S (with Sealant)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Mounting: w/o Mounting Option, Bowl: C (w/Bowl Guard), Lubricant Exhaust Port: w/o Drain Cock, Flow Direction: Left to Right, Pressure Unit: Z ( Pressure Unit: psi; Temp Unit: °F