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: K (Backflow Function), Thread: N (NPT), Port Size: 02 (1/4), Accessory: None, Specifications: RY (R+Y), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

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

Size: 20, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 02 (1/4), Accessory: G (Round Pressure Gauge w/Limit Indicator), Specifications: RY (R+Y), 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: BG (B+G), Specifications: RY (R+Y), 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: B (Bracket), Specifications: RY (R+Y), 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: None, Specifications: RY (R+Y), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Actuation Type: 4 (3 Position Exhaust Center), Sealant: 0 (Metal Seal), Function: RY (External Pilot, Low Wattage 0.5W), Voltage: 5 (24VDC), Lead Wire: H (Grommet Lead Wire 1.5m), Light & Surge Suppressor: E (w/o Light w/Surge Suppressor), Manual Override: Non-locking Push Style, Protection: Dust Proof, 1: 1

Actuation Type: 4 (3 Position Exhaust Center), Sealant: 0 (Metal Seal), Function: RY (External Pilot, Low Wattage 0.5W), Voltage: 5 (24VDC), Lead Wire: H (Grommet Lead Wire 1.5m), Light & Surge Suppressor: E (w/o Light w/Surge Suppressor), Manual Override: Non-locking Push Style, Protection: Dust Proof, 1: 1, Piping Specification: Side Ported, Port Size: 03 (Rc3/8)

This is a legacy product, and replaced byAR20-F02E-RY-B, REGULATOR, MODULAR, AIRLINE EQUIPMENT, AR MASS PRO, DA, AR MASS PRO 1/4 MODULAR (PT), .51440 lb, Regulator Series ARPages 346 through to 355ModelPort sizeOptionsRegulator Series ARPages 346 through to 355AR201/8, 1/4BracketSquare embedded type pressure gauge (except the AR10)Round type pressure gauge Digital pressure switch(

This is a legacy product, and replaced byAR20-01BE-RY-B, REGULATOR, MODULAR, AIRLINE EQUIPMENT, AR MASS PRO, CA, AR MASS PRO 1/8 MODULAR (PT), .53717 lb, Regulator Series ARPages 346 through to 355ModelPort sizeOptionsRegulator Series ARPages 346 through to 355AR201/8, 1/4BracketSquare embedded type pressure gauge (except the AR10)Round type pressure gauge Digital pressure switch(

Actuation: 3 (3-position Closed Center), Seal: 0 (Metal Seal), Function: RY (R + Y), Coil Voltage: 5 (24 VDC), Light/Surge Voltage Suppressor: w/Light and Surge Suppressor, Manual Override: Non-locking Push Style

Special Applications: 21-AR (Copper, Fluorine & Silicon-free+Low Particle Generation), Body Size: 40, Reverse Flow: No, Thread: Rc, Port Size: 03 [3/8 (Size 25, 30, 40)], Accessory, Not Attached: BG [B+G (Size 20 to 60)], Option: RY (R+Y)

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)

Special Applications: 10- (Clean Room Compliant), Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 01 (1/8), Accessory: B (Bracket), Specifications: RY (R+Y), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Model: VQC4, Actuation: 3 (3 Position Closed Center), Seal Type: 1 (Rubber Seal), Function: RY (External Pilot, Low Wattage 0.5W), Coil Voltage: 5 (24VDC), Light & Surge Suppressor: w/Light and Surge Suppressor, Manual Override: Non-locking Push Style

Model: VQC5, Actuation: 4 (3 Position Exhaust Center), Seal Type: 1 (Rubber Seal), Function: RY (External Pilot, Low Wattage 0.5W), Coil Voltage: 5 (24VDC), Light & Surge Suppressor: w/Light and Surge Suppressor, Manual Override: Non-locking Push Style

Model: VQC4, Actuation: 3 (3 Position Closed Center), Seal Type: 0 (Metal Seal), Function: RY (External Pilot, Low Wattage 0.5W), Coil Voltage: 5 (24VDC), Light & Surge Suppressor: w/Light and Surge Suppressor, Manual Override: Non-locking Push Style

Model: VQC4, Actuation: 4 (3 Position Exhaust Center), Seal Type: 0 (Metal Seal), Function: RY (External Pilot, Low Wattage 0.5W), Coil Voltage: 5 (24VDC), Light & Surge Suppressor: w/Light and Surge Suppressor, Manual Override: Non-locking Push Style

Model: VQC4, Actuation: 4 (3 Position Exhaust Center), Seal Type: 1 (Rubber Seal), Function: RY (External Pilot, Low Wattage 0.5W), Coil Voltage: 5 (24VDC), Light & Surge Suppressor: w/Light and Surge Suppressor, Manual Override: Non-locking Push Style