Body Size: 20, Thread: F (G), Port Size: 01 (1/8), Option: BC (B + C), Semi-Standard 1: Standard, Semi-Standard 2: R (Flow Direction: Right to Left)

Body Size: 20, Thread: F (G), Port Size: 01 (1/8), Option: B (Assembly of a Bracket and Set Nuts), Semi-Standard 1: Standard, Semi-Standard 2: Standard

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: BCG (B + C + G), Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: RZ (R + Z)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: BCG (B + C + G), Semi-Standard 1: 6 (Nylon Bowl), Semi-Standard 2: RZ (R + Z)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: BCG (B + C + G), Semi-Standard 1: 2 (Metal Bowl), Semi-Standard 2: RZ (R + Z)

Body Size: 20, Thread: Rc (Rc: for Sizes 20, 25, 30, 40; M5: for Size 10), Port Size: 01 (1/8), Option: BG (B + G), Semi-Standard: Standard

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)

Model: 31, Orifice: 3 (3mm), Style: 4 (COM, Single Unit), Option: G (Stainless Steel, Seals: NBR, Class B), Suffix: Z (Oil-free), Port Size: 01 (1/8), Thread: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: G (Grommet), Surge Suppressor: Non, Rectifier: R (AC Class B Coil w/Full-wave Rectifier), Bracket: B (Bracket)

Model: 31, Orifice: 2 (2.2mm), Style: 0 (N.C., Single Unit), Option: G (Stainless Steel, Seals: NBR, Class B), Suffix: Z (Oil-free), Port Size: 01 (1/8), Thread: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: G (Grommet), Surge Suppressor: Non, Rectifier: R (AC Class B Coil w/Full-wave Rectifier), Bracket: B (Bracket)

Series: 350 [3 Port COM (Single Unit)], Voltage: 6 (12VDC), Electrical Entry: G (Grommet / Tape winding), Orifice: 2 [250 (3 Port) Ø1.6; 350 (3 Port) Ø2], Port Size: 01 [1/8 (6A)], Thread: F (G), Material: G (Stainless Steel Body, NBR Seal Class B Coil)

Size: 20 (1/8), Reverse Flow Function: Regulator, Standard, Thread: F (G), Port Size: 01 (1/8), Accessory 1: None, Pressure Gauge Angle: G1 (0°), Accessory 2: H (Set Nut), Option: 1 (0.02~0.2MPa Setting), B: B

Size: 20 (1/8), Reverse Flow Function: Regulator, Standard, Thread: F (G), Port Size: 01 (1/8), Accessory 1: None, Pressure Gauge Angle: G4 (270°), Accessory 2: H (Set Nut), Option: 1 (0.02~0.2MPa Setting), B: B

Size: 20 (1/8), Reverse Flow Function: K (Regulator w/Backflow Mechanism), Thread: F (G), Port Size: 01 (1/8), Accessory 1: None, Pressure Gauge Angle: G1 (0°), Accessory 2: H (Set Nut), Option: None, B: B

Size: 20 (1/8), Reverse Flow Function: K (Regulator w/Backflow Mechanism), Thread: F (G), Port Size: 01 (1/8), Accessory 1: None, Pressure Gauge Angle: G2 (90°), Accessory 2: H (Set Nut), Option: None, B: B

: None, Unit Specifications: w/Unit Switching Function, Not for Use in Japan, Lead Wire Specifications: w/o Lead Wire, Option: B [Adapter Assembly for Bottom Mounting, (ZL112A-AD1-A)]

: None, Unit Specifications: w/Unit Switching Function, Not for Use in Japan, Lead Wire Specifications: w/o Lead Wire, Option: B [Adapter Assembly for Bottom Mounting, (ZL112A-AD1-A)]

None, Unit Specifications: w/Unit Switching Function, Not for Use in Japan, Lead Wire Specifications: w/o Lead Wire, Option: B [Adapter Assembly for Bottom Mounting, (ZL112A-AD1-A)]

.); Supply: 5/16" (Inch)], Exhaust Method: Silencer Exhaust, Supply Valve/Release Valve Combination: w/o Valve, Rated Voltage: None, Electrical Entry: None, Light/Surge Voltage Supprressor: None, Manual Override: Non-locking Push Type, Vacuum Pressure Sensor: G (Pressure Gauge), Output: None, Unit: w/Unit Switching Function, Lead Wire: w/o Lead Wire with Connector, Option: B (Adapter Assembly

.); Supply: 5/16" (Inch)], Exhaust Method: Silencer Exhaust, Supply Valve/Release Valve Combination: w/o Valve, Rated Voltage: None, Electrical Entry: None, Light/Surge Voltage Supprressor: None, Manual Override: Non-locking Push Type, Vacuum Pressure Sensor: G (Pressure Gauge), Output: None, Unit: w/Unit Switching Function, Lead Wire: w/o Lead Wire with Connector, Option: B (Adapter Assembly

(Pressure Gauge), Output: None, Unit: w/Unit Switching Function, Lead Wire: w/o Lead Wire with Connector, Option: B (Adapter Assembly for Bottom Mounting, Included)