Size: 40, Backflow Function: Backflow Function, Thread: NPT, Port Size: 1/2, Accessory: B+G, Specifications: 3+R+Y, Pressure Unit: Name plate & Pressure Gauge in Imperial Units: psi

Size: 40, Backflow Function: Backflow Function, Thread: NPT, Port Size: 1/2, Accessory: B+G, Specifications: 1 + Y, Pressure Unit: Name plate & Pressure Gauge in Imperial Units: psi

Size: 40, Backflow Function: Backflow Function, Thread: NPT, Port Size: 1/2, Accessory: B+G, Specifications: 3+Y, Pressure Unit: Name plate & Pressure Gauge in Imperial Units: psi

Regulator, Pressure Boosting Valve: Regulator, Regulator Type: Precision Control, Shape: Standard, Operating Environment: Standard, Compatible Fluid: Air, Exhaust Mechanism (Air Bleed): [Included] Bleed, Reverse Flow Function (Relief): [Included] Yes, Supply Side Connection Type: [NPT] NPT, Supply Side, Connection Diameter: 1/2, Flow Direction: [Right] From Left to Right, Control Side Connection

Regulator, Pressure Boosting Valve: Regulator, Regulator Type: Precision Control, Shape: Standard, Operating Environment: Standard, Compatible Fluid: Air, Exhaust Mechanism (Air Bleed): [Included] Bleed, Reverse Flow Function (Relief): [Included] Yes, Supply Side Connection Type: [NPT] NPT, Supply Side, Connection Diameter: 1/2, Flow Direction: [Right] From Left to Right, Control Side Connection

Regulator, Pressure Boosting Valve: Regulator, Regulator Type: Precision Control, Shape: Standard, Operating Environment: Standard, Compatible Fluid: Air, Exhaust Mechanism (Air Bleed): [Included] Bleed, Reverse Flow Function (Relief): [Included] Yes, Supply Side Connection Type: [NPT] NPT, Supply Side, Connection Diameter: 1/2, Flow Direction: [Right] From Left to Right, Control Side Connection

Special applications include (10-) clean room compliant, (20-)copper-free, fluorine-free, and (21-) clean room compliant, copper-free, fluorine-free and silicon-free.Direct operated precision regulator, Sensitivity: within 0.2%F.S., 3 types of set pressure allow more freedom in designing a circuit, Repeatability: within ±1%F.S., Backflow function available, PRECISION REGULATOR, REGULATOR

Special Applications: 21-AR (Copper, Fluorine & Silicon-free+Low Particle Generation), Body Size: 40, Reverse Flow: No, Thread: N (NPT), Port Size: 04 [1/2 (Size 40)], Accessory, Not Attached: BG [B+G (Size 20 to 60)], Option: Z (Nameplate/Caution Plate for Bowl in Imperial Units )

Special Applications: Copper, Fluorine & Silicon-free+Low Particle Generation, Body Size: 40, Reverse Flow: No, Thread: NPT, Port Size: 04 [1/2 (Size 40)], Accessory, Not Attached: BG [B+G (Size 20 to 60)], Option: Nameplate/Caution Plate for Bowl in Imperial Units

Special Applications: 21- (Clean-room, Copper-free, Fluorine-free, Silicon-free), Size: 40, Backflow Function: K (Backflow Function), 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: 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: 21- (Clean-room, Copper-free, Fluorine-free, Silicon-free), Size: 40, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 04 (1/2), Accessory: H (Set Nut for Panel Mount), 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: 04 (1/2), Accessory: None, Specifications: R (Flow Direction: Right to Left), 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: None, Specifications: 1R (1+R), Pressure Unit: Z (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: 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: 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

Special Applications: Clean-room, Copper-free, Fluorine-free, Silicon-free, Size: 40, Backflow Function: Backflow Function, Thread: NPT, Port Size: 1/2, Accessory: Set Nut for Panel Mount, 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: 1/2, Accessory: None, Specifications: Flow Direction: Right to Left, 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: None, Specifications: 1+R, Pressure Unit: Name plate & Pressure Gauge in Imperial Units: psi

Special Application: 21-AW (Copper, Fluorine & Silicon-free+Low Particle Generation), Body Size: 40, Reverse Flow: No, Thread: N (NPT), Port Size: 04 [1/2 (Size 40)], Accessory (Not Attached): BG (B+G), Option 1: None, Option 2: JZ (Drain Guide+Name & Caution Plates for Bowl & Gauge in Imperail Units)