Body Size: 20, Backflow: K (w/Backflow Function), Thread: N (NPT), Port Size: 02 (1/4), Options: BG (B+G), Set Pressure: 1 (0.02 to 0.2 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: 1 (0.02 to 0.2 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: BG (B + G), Semi-Standard: 1Z (1 + Z)

Body Size: 40, Back Flow: K (w/Backflow), Thread: N (NPT), Port Size: 02 (1/4), Options: BG (B+G), Set Pressure: 1 (0.02 to 0.2 MPa Setting), Bowl: Polycarbonate Bowl, Bowl Guard: None, Drain Port: w/Drain Cock, Exhaust Mechanism: Relieving Type, Flow Direction: Flow Direction: Left to Right, Drain Cock w/Barb Fitting: None, Pressure Units: Z [Product: psi, °C; Pressure Gauge: psi (and MPa

Body Size: 20, Back Flow: w/o Backflow, Thread: N (NPT), Port Size: 02 (1/4), Options: BG (B+G), Set Pressure: 1 (0.02 to 0.2 MPa Setting), Bowl: Polycarbonate Bowl, Bowl Guard: None, Drain Port: w/Drain Cock, Exhaust Mechanism: Relieving Type, Flow Direction: Flow Direction: Left to Right, Drain Cock w/Barb Fitting: None, Pressure Units: Z [Product: psi, °C; Pressure Gauge: psi (and MPa

Special Applications: 21- (Clean-room, Copper-free, Fluorine-free, Silicon-free), Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 02 (1/4), Accessory: None, Specifications: 1 (0.005 to 0.2 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Special Applications: 21- (Clean-room, Copper-free, Fluorine-free, Silicon-free), Size: 40, Backflow Function: None, Thread: N (NPT), Port Size: 02 (1/4), Accessory: None, Specifications: 1 (0.005 to 0.2 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Special Applications: 21- (Clean-room, Copper-free, Fluorine-free, Silicon-free), Size: 40, Backflow Function: None, Thread: N (NPT), Port Size: 02 (1/4), Accessory: B (Bracket), Specifications: 1 (0.005 to 0.2 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Special Applications: 21- (Clean-room, Copper-free, Fluorine-free, Silicon-free), Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 01 (1/8), Accessory: BG (B+G), Specifications: 1 (0.005 to 0.2 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Special Applications: 21- (Clean-room, Copper-free, Fluorine-free, Silicon-free), Size: 30, Backflow Function: None, Thread: N (NPT), Port Size: 03 (3/8), Accessory: BG (B+G), Specifications: 1 (0.005 to 0.2 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Special Applications: 21- (Clean-room, Copper-free, Fluorine-free, Silicon-free), Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 02 (1/4), Accessory: G [Round Pressure Gauge ("20-" Type Includes Limit Indicator)], Specifications: 1 (0.005 to 0.2 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Special Applications: Clean-room, Copper-free, Fluorine-free, Silicon-free, Size: 20, Backflow Function: None, Thread: NPT, Port Size: 1/4, Accessory: None, Specifications: 0.005 to 0.2 MPa Setting, Pressure Unit: Name plate & Pressure Gauge in Imperial Units: psi

Special Applications: Clean-room, Copper-free, Fluorine-free, Silicon-free, Size: 40, Backflow Function: None, Thread: NPT, Port Size: 1/4, Accessory: None, Specifications: 0.005 to 0.2 MPa Setting, Pressure Unit: Name plate & Pressure Gauge in Imperial Units: psi

Special Applications: Clean-room, Copper-free, Fluorine-free, Silicon-free, Size: 40, Backflow Function: None, Thread: NPT, Port Size: 1/4, Accessory: Bracket, Specifications: 0.005 to 0.2 MPa Setting, Pressure Unit: Name plate & Pressure Gauge in Imperial Units: psi

Special Applications: Clean-room, Copper-free, Fluorine-free, Silicon-free, Size: 20, Backflow Function: None, Thread: NPT, Port Size: 1/8, Accessory: B+G, Specifications: 0.005 to 0.2 MPa Setting, Pressure Unit: Name plate & Pressure Gauge in Imperial Units: psi

Special Applications: Clean-room, Copper-free, Fluorine-free, Silicon-free, Size: 30, Backflow Function: None, Thread: NPT, Port Size: 3/8, Accessory: B+G, Specifications: 0.005 to 0.2 MPa Setting, Pressure Unit: Name plate & Pressure Gauge in Imperial Units: psi

Special Applications: Clean-room, Copper-free, Fluorine-free, Silicon-free, Size: 20, Backflow Function: None, Thread: NPT, Port Size: 1/4, Accessory: G [Round Pressure Gauge ("20-" Type Includes Limit Indicator)], Specifications: 0.005 to 0.2 MPa Setting, Pressure Unit: Name plate & Pressure Gauge in Imperial Units: psi

Body Size: 30, Thread: N (NPT), Port Size: 02 (1/4), Option: B (Assembly of a Bracket & Set Nuts), Semi-Standard: 1Z (1 + Z)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), 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: 1Z (1 + Z)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: GH (G + H), Semi-Standard: 1Z (1 + Z)