Size: 20, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 02 (1/4), Accessory: E (Square Embedded Pressure Gauge w/Limit Indicator), Specifications: RY (R+Y), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 02 (1/4), Accessory: G (Round Pressure Gauge w/Limit Indicator), Specifications: R (Flow Direction: Right to Left), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 30, Backflow Function: None, Thread: N (NPT), Port Size: 02 (1/4), Accessory: G (Round Pressure Gauge w/Limit Indicator), Specifications: R (Flow Direction: Right to Left), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Body Size: 2 (1/8, 1/4), Control Type: 0 (Meter-out), Thread Type: R, Port Size: 02 (1/4), Applicable Tubing O.D.: 08 (ø8), Seal Method: without Sealant, Option: H [for General Environments, Brass Parts (External); Ni Plating]

Body Class: 2 (Class 2, Orifice ø4), Valve Type: 0 (Normally Closed), Port Size: 02 (1/4), Thread: R, Rc, Material: B (Body: PPS, Endplate: PPS, Diaphragm: PTFE), Option: None, Specification: None, Z: Z (Pilot Port Thread 1/8)

Body Class: 2 (Class 2, Orifice ø4), Valve Type: 0 (Normally Closed), Port Size: 02 (1/4), Thread: R, Rc, Material: C (Body: PFA, Endplate: PPS, Diaphragm: PTFE), Option: None, Specification: None, Z: Z (Pilot Port Thread 1/8)

Special Applications: 10- (Clean Room Compliant), Size: 30, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 02 (1/4), Accessory: BE1 (B+E1), Specifications: RY (R+Y), Pressure Unit: ZA (Digital Pressure Switch: w/Unit Coversion Function)

Body Size: 2, Set Pressure: 2 (1.5 to 116 psi [0.01 to 0.8 MPa]), Exhaust Direction: 0 (Bottom Exhaust), Thread: F (G), Port Size: 02 (1/4), Option: B (w/Bracket), Semi-standard: R (Flow Direction: Right to Left)

Body Size: 2, Set Pressure: 1 (1.5 to 58 psi [0.01 to 0.4 MPa]), Exhaust Direction: 0 (Bottom Exhaust), Thread: F (G), Port Size: 02 (1/4), Option: B (w/Bracket), Semi-standard: R (Flow Direction: Right to Left)

Body Size: 2 (1/8, 1/4), Control Type: 0 (Meter-out), Thread Type: R (or Metric), Port Size: 02 (1/4), Applicable Tubing O.D.: 06 (ø6), Seal Method: Without Sealant, Option: D (General Environment, Brass Parts, Ni Plating)

Body Size: 2 (1/8, 1/4), Control Type: 0 (Meter-out), Thread Type: R (or Metric), Port Size: 02 (1/4), Applicable Tubing O.D.: 08 (ø8), Seal Method: Without Sealant, Option: D (General Environment, Brass Parts, Ni Plating)

Body Size: 2 (1/8, 1/4), Control Type: 0 (Meter-out), Thread Type: R (or Metric), Port Size: 02 (1/4), Applicable Tubing O.D.: 06 (ø6), Seal Method: Without Sealant, Option: BD (Welding Environment, Brass Parts, No Plating)

Body Size: 2 (1/8, 1/4), Control Type: 0 (Meter-out), Thread Type: R (or Metric), Port Size: 02 (1/4), Applicable Tubing O.D.: 08 (ø8), Seal Method: Without Sealant, Option: BD (Welding Environment, Brass Parts, No Plating)

Size: 20, Thread Type: Rc, Port Size: 02 (1/4), Mounting: B (w/Bracket), Bowl: 2 (Metal Bowl), Flow Direction: R (Right to Left), Pressure Unit: Name Plate and Caution Plate for Bowl in SI Units: MPa/°C

Size: 20, Thread Type: Rc, Port Size: 02 (1/4), Mounting: B (w/Bracket), Bowl: 6 (Nylon Bowl), Flow Direction: R (Right to Left), Pressure Unit: Name Plate and Caution Plate for Bowl in SI Units: MPa/°C

Size: 30, Thread Type: Rc, Port Size: 02 (1/4), Mounting: B (w/Bracket), Bowl: 2 (Metal Bowl), Flow Direction: R (Right to Left), Pressure Unit: Name Plate and Caution Plate for Bowl in SI Units: MPa/°C

Size: 30, Thread Type: Rc, Port Size: 02 (1/4), Mounting: B (w/Bracket), Bowl: 6 (Nylon Bowl), Flow Direction: R (Right to Left), Pressure Unit: Name Plate and Caution Plate for Bowl in SI Units: MPa/°C

Size: 40, Thread Type: Rc, Port Size: 02 (1/4), Mounting: B (w/Bracket), Bowl: 2 (Metal Bowl), Flow Direction: R (Right to Left), Pressure Unit: Name Plate and Caution Plate for Bowl in SI Units: MPa/°C

Size: 40, Thread Type: Rc, Port Size: 02 (1/4), Mounting: B (w/Bracket), Bowl: 6 (Nylon Bowl), Flow Direction: R (Right to Left), Pressure Unit: Name Plate and Caution Plate for Bowl in SI Units: MPa/°C

Body Size: 30, Thread: F (G), Port Size: 02 (1/4), Option: Standard, Attachment: V (3-Port Valve for Residual Pressure Release; Mounting: AF+AR+V), Semi-Standard 1: Standard, Semi-Standard 2: R (Flow Direction: Right to Left)