Electronics LP2000_VAR User Manual
Lp2000/var magnavalve, Magnetic valve for wheel machine applications, Features
LP2000/VAR MagnaValve®
Magnetic Valve for Wheel Machine Applications
Features
• Flow rate range of 400 - 2000 lb/min (181 - 907 kg/min)*
• For wheels up to 50 Hp (37 kw)
• Variable flow rate using the Variac (included)
• Normally closed
• No moving parts for maintenance-free operation
• Regulates flow of steel shot and grit
• Easy retrofit installation
* Flow rates based on S230 shot
Description
The LP2000/VAR MagnaValve is a normally closed magnetic valve that regulates the flow of steel shot and grit in wheel
blast machines. The LP2000/VAR is maintenance free — it has no moving parts so there are no parts to wear or break and
it is completely sealed to prevent media dust from entering the valve.
The LP2000/VAR has rare earth permanent magnets for normally closed operation and an electromagnet for controlling
shot flow rates. With power applied, the magnetic field is neutralized and shot is allowed to flow through the valve. When
no power is applied to the MagnaValve, the permanent magnets stop all flow. If the power is interrupted for any reason,
the permanent magnets securely hold the shot, thereby virtually eliminating shot leakage.
The LP2000/VAR MagnaValve is controlled with a Variac. A Variac is a variable AC transformer that pro-
vides 0-120 Vac output voltage to the MagnaValve. With zero volts applied to the MagnaValve, the
permanent magnets hold the shot. Application of voltage will cancel the permanent magnets’ hold-
ing force and allow the shot to flow. Higher voltages will provide higer shot flow rates. The Variac is
included with the LP2000/VAR MagnaValve.
The LP2000/VAR MagnaValve provides a high degree of media control but it will not recognize fault
conditions such as low flow rates. Visit the Electronics Inc. website for other valve series which work
with the The AC Controller has a large digital display for motor amps and
high/low alarms.
A clear and comprehensive instruction manual simplifies installation of the LP2000/VAR. The Magna-
Valve is factory tested and results are supplied upon request. In addition, the products are supported
by the Electronics Inc. application engineering staff.
Smaller sizes of stainless steel cut wire shot will not work with this MagnaValve model. For those
applications, see model V for 1000 lb/min capacity.*
* www.electronics-inc.com/magnavalve_selector_guide_for_wheel_blast_machines.html
Electronics Inc.
56790 Magnetic Drive
Mishawaka, Indiana 46545 USA
(574)256-5001
Specification is subject to change without notice
Rev 1/14
MagnaValve is a registered trademark of Electronics Inc.
The Variac, included with the
LP2000/VAR MagnaValve,
provides 0-120 Vac output
voltage to the MagnaValve.
Variac
Regulated Media Flow
Control Signal
Motor
Current
Ammeter
Media Accelerated
Media
Hopper
MagnaValve
Wheel
Desired
Motor Current
Open Loop System with LP2000/VAR MagnaValve and Variac