Body Size: 40, 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: 30, Thread: N (NPT), Port Size: 02 (1/4), Option: BG (B + G), Semi-Standard 1: 1 (0.02 to 0.2MPa Setting), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 30, 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, Thread: N (NPT), Port Size: 02 (1/4), Option: BG (B + G), Semi-Standard 1: 1 (0.02 to 0.2MPa Setting), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Special Applications: Clean Series, Body Size: 30, Reverse Flow: Reverse Flow Mechanism, Thread: NPT, Port Size: 02 [1/4 (Size 20, 25, 30, 40)], Accessory, Not Attached: BG [B+G (Size 20 to 60)], Option: 1+Z

Special Applications: Clean Series, Body Size: 20, Reverse Flow: Reverse Flow Mechanism, Thread: NPT, Port Size: 02 [1/4 (Size 20, 25, 30, 40)], Accessory, Not Attached: BG [B+G (Size 20 to 60)], Option: 1+Z

Special Applications: Clean Series, Body Size: 20, Reverse Flow: No, Thread: NPT, Port Size: 02 [1/4 (Size 20, 25, 30, 40)], Accessory, Not Attached: BG [B+G (Size 20 to 60)], Option: 1+Z

Special Applications: 10- (Clean Room Compliant), Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 02 (1/4), 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: 10- (Clean Room Compliant), Size: 30, Backflow Function: None, Thread: N (NPT), Port Size: 02 (1/4), 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: K (Backflow Function), Thread: N (NPT), Port Size: 02 (1/4), 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: K (Backflow Function), Thread: N (NPT), Port Size: 02 (1/4), 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: 40, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 02 (1/4), 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: 10- (Clean Room Compliant), Size: 20, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 02 (1/4), 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: 10- (Clean Room Compliant), Size: 30, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 02 (1/4), 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: 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: Clean Room Compliant, Size: 20, Backflow Function: None, Thread: NPT, Port Size: 1/4, 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 Compliant, Size: 30, Backflow Function: None, Thread: NPT, Port Size: 1/4, 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: Backflow Function, Thread: NPT, Port Size: 1/4, 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: Backflow Function, Thread: NPT, Port Size: 1/4, 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: 40, Backflow Function: Backflow Function, Thread: NPT, Port Size: 1/4, Accessory: B+G, Specifications: 0.005 to 0.2 MPa Setting, Pressure Unit: Name plate & Pressure Gauge in Imperial Units: psi