 
Body Size: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 02 (1/4), Options: E4 (Output: PNP Output; Electrical Entry: Wiring Top Entry), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: 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: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 02 (1/4), Options: BG (B+G), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: 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: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 02 (1/4), Options: GH (G+H), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: 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: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 02 (1/4), Options: G (Round Type Pressure Gauge, w/Limit Indicator), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: 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: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 01 (1/8), Options: GH (G+H), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: 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: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 01 (1/8), Options: BG (B+G), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: 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: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 01 (1/8), Options: M (Round Type Pressure Gauge, w/Color Zone), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: 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: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 01 (1/8), Options: G (Round Type Pressure Gauge, w/Limit Indicator), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: 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: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 01 (1/8), Options: BE4 (B+E+4), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: 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: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 01 (1/8), Options: E4 (Output: PNP Output; Electrical Entry: Wiring Top Entry), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: 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: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: M (Round Pressure Gauge w/ Color Zone), Semi-Standard: Z (Name Plate & Pressure Gauge in Imperial Units: psi, °F)
Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: G (For Sizes 20, 25, 30, 40: Round Pressure Gauge w/Limit Indicator; For Size 10 Round Pressure Gauge w/o Limit Indicator), Semi-Standard: Z (Name Plate & Pressure Gauge in Imperial Units: psi, °F)
Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: H (Set Nut for Panel Fitting), Semi-Standard: Z (Name Plate & Pressure Gauge in Imperial Units: psi, °F)
Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: BM (B + M), Semi-Standard: Z (Name Plate & Pressure Gauge in Imperial Units: psi, °F)
Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: HM (H + M), Semi-Standard: Z (Name Plate & Pressure Gauge in Imperial Units: psi, °F)
Body Size: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 01 (1/8), Options: BE1 (B+E+1), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: 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: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: M (Round Pressure Gauge w/ Color Zone), Semi-Standard: Z (Name Plate & Pressure Gauge in Imperial Units: psi, °F)
Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: H (Set Nut for Panel Fitting), Semi-Standard: Z (Name Plate & Pressure Gauge in Imperial Units: psi, °F)
Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: BG (B + G), Semi-Standard: Z (Name Plate & Pressure Gauge in Imperial Units: psi, °F)
Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: w/o Mounting Option, w/o Pressure Gauge, Semi-Standard: Z (Name Plate & Pressure Gauge in Imperial Units: psi, °F)