Text Box: 3 Way   1/8” Pilot Valve               
Model 428

      
 

 

  

PURPOSE:

The Sturman BG 3-Way Pilot Valve can be used with any size of valve

to supply a pilot flow through an equivalent 1/8” equivalent orifice. 

The 3-Way Pilot Valve consists of two inlets NC or NO and one outlet.

The 3-Way Pilot Valve is a fail-safe device, meaning that it automatically defaults

to the closed position should the power source be lost.

 

SPECIFICATIONS:

Port Sizes: 1/8 inch NPT

Orifice Size: .125” Diameter

Mount on Any Large Valve

Flow Direction: One Way

Direct Acting

Pressure Balanced

Dry Magnetic Circuit

Fail Safe Monitoring Circuit utilizes Low Micro-Amps

Fluid Temperature: 165° F Max                                                                         

Total Fluid and Outside Temp:  220° F Max                                           

Body/Seat Material: High Impact ABS/ Stainless Steel                                                   

 

US Patent No. 6,116,276

 

MEDIA:

Hydraulic

Pneumatic

Non-Explosive Gases

 

FEATURES:

Valve operates without pressure differential or on vacuum

                                                                                      

Port

Size

Operating Pressure

PSI

Min.                                Max.

Cv

Weight

   (Lbs.)

Order Number

1/8“

Vac                     125

___

___

428-X-X-X

Notes:

If fluids are contaminated a filter of 50 microns or better is recommended

Consult factory if maximum viscosity is greater than 25 centistokes

Specify valve by changing the digits in the valve number

Optional Constructions

(Specify by changing the last two digits in the valve number)

Valve Number

Seat/Diaphragm material - BUNA N (HNBR)

428-1-X

Seat/Diaphragm material - Viton (FKM)

428-2-X

 

Electronoid Specifications

Standard Voltages

 

 

 

DC

Volts

AC

(60Hz)

Electronoid

DC

Inrush             Monitoring

                      Circuit

AC

Inrush               Monitoring

                         Circuit

9 - 12

 

428-X-1

4A

1.5mA

 

 

24

 

428-X-2

4A

1.5mA

 

 

 

24V

428-X-3

 

 

4 VA

5.0 mA

 

110V

428-X-4

 

 

2 VA

7.0 mA