Body Size: 40, Thread: N (NPT), Port Size: 02 (1/4), Option: BM (B + M), Semi-Standard: 1Z (1 + Z)

Size/Valve Type: 3 (10A, N.C.), Body/Port/Orifice: B (Aluminum; Port 3/8; Orifice 10), Voltage/Electrical Entry: Z (Other Voltages), Other Voltages and Electrical Options: 2A (w/Light, 24VDC, DIN Terminal w/Surge Voltage Suppressor), Other Options: B (NPT Thread), Bracket: XB (w/Bracket), Rotation Angle: B (180°)

Size: 30 (3/8), Reverse Flow Function: None, Thread: N (NPT), Port Size: 03 (3/8), Accessory 1: B (Bracket), Pressure Gauge Angle: G1 (Mounting Angle 0°), Accessory 2: None, Option 1: 2 (Metal Bowl), Option 2: None, Option 3: Z (Name Plate, Bowl Caution Plate & Gauge w/PSI), B: B

Size: 30 (3/8), Reverse Flow Function: None, Thread: N (NPT), Port Size: 02 (1/4), Accessory 1: B (Bracket), Pressure Gauge Angle: G1 (Mounting Angle 0°), Accessory 2: None, Option 1: 6 (Nylon Bowl), Option 2: None, Option 3: Z (Name Plate, Bowl Caution Plate & Gauge w/PSI), B: B

Size: 40 (1/2), Reverse Flow Function: None, Thread: N (NPT), Port Size: 04 (1/2), Accessory 1: B (Bracket), Pressure Gauge Angle: G1 (Mounting Angle 0°), Accessory 2: None, Option 1: 2 (Metal Bowl), Option 2: None, Option 3: Z (Name Plate, Bowl Caution Plate & Gauge w/PSI), B: B

Size: 20 (1/8), Reverse Flow Function: None, Thread: N (NPT), Port Size: 02 (1/4), Accessory 1: B (Bracket), Pressure Gauge Angle: G1 (Mounting Angle 0°), Accessory 2: None, Option 1: 2 (Metal Bowl), Option 2: None, Option 3: Z (Name Plate, Bowl Caution Plate & Gauge w/PSI), B: B

Size: 20 (1/8), Reverse Flow Function: None, Thread: N (NPT), Port Size: 01 (1/8), Accessory 1: B (Bracket), Pressure Gauge Angle: G1 (Mounting Angle 0°), Accessory 2: None, Option 1: 2 (Metal Bowl), Option 2: None, Option 3: Z (Name Plate, Bowl Caution Plate & Gauge w/PSI), B: B

Size: 20 (1/8), Reverse Flow Function: None, Thread: N (NPT), Port Size: 02 (1/4), Accessory 1: B (Bracket), Pressure Gauge Angle: G2 (Mounting Angle 90°), Accessory 2: None, Option 1: 2 (Metal Bowl), Option 2: None, Option 3: Z (Name Plate, Bowl Caution Plate & Gauge w/PSI), B: B

Magnet: None, Mounting: B (Through Hole, Standard), Bore Size: 50mm, Water Resistant: None, Port Thread: Bore 12, 16: M Thread; Bore 20 to 50: Rc, Stroke: 20mm, Action: B (Double Acting/Spring Loaded), Rod End: B (Lever Type, Adjustable Absorber Type), Direct Mount Switch Groove: Z (Direct Mount Switch Groove)

Magnet: None, Mounting: B (Through Hole, Standard), Bore Size: 40mm, Water Resistant: None, Port Thread: Bore 12, 16: M Thread; Bore 20 to 50: Rc, Stroke: 20mm, Action: B (Double Acting/Spring Loaded), Rod End: B (Lever Type, Adjustable Absorber Type), Direct Mount Switch Groove: Z (Direct Mount Switch Groove)

Magnet: D (Built-in), Mounting: B (Through Hole, Standard), Bore Size: 40mm, Water Resistant: None, Port Thread: TN (NPT), Stroke: 25mm, Action: D (Double Acting), Rod End: B (Lever Type, Adjustable Absorber Type), Direct Mount Switch Groove: Z (Direct Mount Switch Groove), Mounting Bolt: L (Shipped Together Only for Mounting B)

Magnet: D (Built-in), Mounting: B (Through Hole, Standard), Bore Size: 20mm, Water Resistant: None, Port Thread: TN (NPT), Stroke: 20mm, Action: B (Double Acting/Spring Loaded), Rod End: Round Bar Style, Direct Mount Switch Groove: Z (Direct Mount Switch Groove), Mounting Bolt: L (Shipped Together Only for Mounting B)

Magnet: D (Built-in), Mounting: B (Through Hole, Standard), Bore Size: 50mm, Water Resistant: None, Port Thread: TN (NPT), Stroke: 20mm, Action: B (Double Acting/Spring Loaded), Rod End: Round Bar Style, Direct Mount Switch Groove: Z (Direct Mount Switch Groove), Mounting Bolt: L (Shipped Together Only for Mounting B)

Magnet: D (Built-in), Mounting: B (Through Hole, Standard), Bore Size: 40mm, Water Resistant: None, Port Thread: TN (NPT), Stroke: 30mm, Action: B (Double Acting/Spring Loaded), Rod End: Round Bar Style, Direct Mount Switch Groove: Z (Direct Mount Switch Groove), Mounting Bolt: L (Shipped Together Only for Mounting B)

Model: 31, Orifice: 3 (3mm), Style: 2 (N.O., Single Unit), Option: B (C37, Seals: EPDM, Class B), Suffix: Z (Oil-free), Port Size: 01 (1/8), Thread: T (NPTF), Voltage: 5 (24VDC), Electrical Entry: C (Conduit), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil), Bracket: B (Bracket)

Size: 20 (1/8), Reverse Flow Function: Regulator, Standard, Thread: N (NPT), Port Size: 02 (1/4), Accessory 1: None, Pressure Gauge Angle: G1 (0°), Accessory 2: None, Option: 1NYZ (Combination of 1 + N + Y + Z), B: B

Size: 20 (1/8), Reverse Flow Function: Regulator, Standard, Thread: N (NPT), Port Size: 02 (1/4), Accessory 1: None, Pressure Gauge Angle: G3 (180°), Accessory 2: None, Option: 1NYZ (Combination of 1 + N + Y + Z), B: B

Size: 20 (1/8), Reverse Flow Function: Regulator, Standard, Thread: N (NPT), Port Size: 01 (1/8), Accessory 1: None, Pressure Gauge Angle: G1 (0°), Accessory 2: None, Option: 1NYZ (Combination of 1 + N + Y + Z), B: B

Magnet: None, Mounting: B (Through Hole, Standard), Bore Size: 40mm, Water Resistant: None, Port Thread: TN (NPT), Stroke: 20mm, Action: B (Double Acting/Spring Loaded), Rod End: K (Chamfered), Direct Mount Switch Groove: Z (Direct Mount Switch Groove)

Magnet: None, Mounting: B (Through Hole, Standard), Bore Size: 50mm, Water Resistant: None, Port Thread: TN (NPT), Stroke: 30mm, Action: B (Double Acting/Spring Loaded), Rod End: K (Chamfered), Direct Mount Switch Groove: Z (Direct Mount Switch Groove)