RECEIVING HOPPER
Constructed of spun-aluminum the Receiving Hopper Body includes a Discharge chute with Dump Valve and Mounting
Flange. For material introduction an inlet (from Ø1-¼” thru Ø2” OD Tube Stub) is located on the side of the Loader’s
body. Proportioning (PLVP) models have two inlets (located side-by-side) permitting conveying multiple material types.
As an option your Loader can be fitted with an Interblend® Static-blender a well as an optional Proximity Switch provid-
ing level-fill control at the Virgin/Product 1 Inlet.
Whisper® Loaders with Powder (PL) model designation require taller bodies to allow for Filter Cartridge(s) from 6” to 12”
tall as standard (18” or 24” tall optional) and additional Body height as required to allow for required material-receiving
capacity below extent of filter cartridge. PL1250 models have a single filter, while the PL1500 models are supplied with
three cartridges, see following PL section for further details.
TANGENTIAL-ENTRY (TE) INLET OPTIONS
The Tangential Entry series includes: Full (FT), Semi (TE), and Boxed (BT) Tangential Entries. The FT is a Full (flush to
outside of Loader body) tangential-entry Inlet; the TE is a Semi tangential-entry Inlet is offset approximately ¾-distance
from the center to the outside of the body; the BT is a round stubbed Inlet with a Full tangential-entry rectangular-design
(boxed) transitioning connecting to the Body. Each Tangential Entry provides a degree of added protection for conveying
delicate and fragile materials.
WEAR-RESIST (WR) INLET OPTION
The Wear-Resistant (WR) Inlet is designed to protect the conveyed product from damaging the Loader’s inlet or the con-
veyed material itself as it is introduced into the Loader. The terminal end of the Inlet is capped providing an area where
product is retained within the Inlet to cushion incoming material, an opening along the bottom of the inlet tube allows
material to fall into the Loader’s receiver body. Also a special Replaceable version, sleeved and/or flange-mount design,
can be incorporated into the WR Inlet.
VIBRA-PULSE™ (VP) OPTION
The Vibra-Pulse™ (VP) option to the Basic Whisper® Loaders is where the Loader’s Cover Assembly is fitted with an
automatic filter cleaning system:
Hardware: The VP System includes Loader Lid Assembly with integral Air Blast Pipes, Diaphragm Valve & Control
Solenoid with Signal Cord, Air-Pulse Bottle and Air-supply Tubing (except 1250 models which have Pulse Valve and do
not include Diaphragm Valve and Pulse Bottle assembly).
Function: At the end of each conveying cycle, the VP System will automatically clean the Filter(s) with a precision pulse
of compressed air effectively loosening small particles and debris from the Filter’s media.
PROPORTIONING-LOADER (PLVP) OPTION
The Proportioning-Loader PLVP Whisper® Loaders is designed to automatically and efficiently convey material from two
individual sources. PLVP Loaders are available with the Vibra-Pulse™ (VP) system. The Virgin/Product 1 source
conveying line is connected to the Left-hand Inlet, Regrind/Product 2 source connects to the Right-hand Inlet.
Hardware: PLVP Whisper® Loaders are supplied with VP system (as shown above) two Pick-up Lances, a total of 20-ft
of Flex Hose and (4) Hose Clamps (to accommodate both hose pieces). As an option the PLVP can be fitted with
Interblend® (IB) Static-blender where the Loader’s Receiver Body is divided into two compartments providing a rough
mix of the ingredients prior to being discharged. The IB also reduces product layering within Loader.
© Copyright 2007 IMS Company. All rights reserved. An ISO 9001:2000 Registered Quality Company
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