Sterlco SPV Remote Proportioning Devices - Manual (Page 8)

Remote Proportioning Valve Chapter 2: Functional Description 8 of 28
2-4 Typical Features and Components
The SPV is available with a variety of control choices designed to suit your particular
operation.
SPV-A
The A model Remote Proportioning Valve is designed exclusively for use with the Autoload
Hopper Loader.
SPV- B and D
The B and D model SPV’s are designed for use with central vacuum systems. These models
will convert any existing vacuum hopper into a proportioning unit, regardless of
manufacturer.
The SPV – B uses 110 VAC supply voltage. The SPV – D is designed to be used outside of
North America with 220 VAC supply voltage.
SPV - C
The SPV-C model is designed to convert existing 9953 and 9963 Hopper Loaders into
proportioning units.