Bulk Bag Dischargers - Nomenclature - Design Options Available
| Optional Feature |
Feature Code Letters |
Unloader Style/ Capacity Description |
Features Available By Model Type |
|
| MTU w/Air Cylinder Agitation 2500/4000 lbs. |
BBU w/Motor Vibratory Agitation 4000/7000 lbs. |
|||
| Agitator Type |
AC BE AP |
Air Cylinders to massage bag face Motor vibrator (Best Electric) 1800 RPM Air Piston (air cushioned design) quiet type |
AC - - |
- BE AP |
| Controls | MA AU |
Manual Controls Automatic Controls |
MA AU |
MA AU |
| NEMA Rating |
12 4 4X 7&9 |
Dust Tight Water Tight Water Tight (stainless steel enclosure) Explosion-proof |
12 4 4X 7&9 |
12 4 4X 7&9 |
| Bag Extension |
BX | Bag Extension feature raises and elongates bag during unloading. (omit this feature if a self-contained hoist is employed) | BX | Not Available |
| Liner Tensioner |
LT | Liner Tensioner - Retains poly liner in bag to prevent extrusion down into unloading area. Tensioner is mounted on bag transporter lifting frame. | LT | LT |
| Hopper Style Beneath Unloader |
IH SH GP PK |
Standard 18 inch cube, Intermediate Hopper with level control
or Timer for auto control applications. Storage Hopper (capacity to suit) Glove Port design to limit operator exposure to hazardous products, by using gloves in an enclosed area. Piercing Knife design for spoutless, single trip bags. |
IH SH GP PK |
IH SH GP - |
| Flow Control at Bag Outlet |
SG IV |
Slide Gate, air operated Iris Valve, manual operation. You have a choice of a small valve like 8 inch diameter to meter flow below unloader or a 15 or 18 inch diameter with ratchet and ships wheel unit to control flow and pinch outlet Flow at bag spout. Ships wheel style only available on the non-vibratory MTU style unloaders. |
SG IV |
SG IV |
| Partial Bag Unloading |
BP | Best Pincher option allows removal of partially unloaded bags. Two UHMW ellipses powered by air cylinders pinch off bag, so bag can be retied and removed from the unloader. | BP | Not Available |
| Hoist Option |
HM HP |
2 ton capacity electric Hoist - standard with Manual
Trolley with pendant control. Hoist with Powered Trolley with pendant control. Note: Add suffix (A) if an air hoist, i.e. (HPA) is selected. |
HM HP |
HM HP |
| Load Cells |
LC | Unit is mounted on Load Cells for batching via “loss of weight”design. | LC | LC |
| Inserts for Other Containers |
BD TB |
Bag Dump funnel insert for 50 lb bags. Tote Bin (IBC) type portable bin funnel insert. |
BD - |
BD TB |
MODEL NOMENCLATURE
Below is an example of the Model Nomenclature used to describe each unit of equipment.
For example: MODEL MTU-4000-AC-AU-12-IH-IV-HM-LC
Bulk bag unloader, 2 ton (4000#) capacity air cylinder agitators, Auto NEMA 12 controls, intermediate hopper with level control, iris valve, electric hoist with manual trolley all mounted on load cells.
| Model | ||
| (MTU) Cylinder Agitation (BBU) Vibratory |
MTU | Unloader Style |
| 1.25 ton (2500#) 2 ton (4000#) |
4000 | Unloader Design Capacity |
| (AC) Air Cylinder (BE) Motor Vibrator (BEST Electric) (AP) Air Piston Vibrator |
AC | Type of Agitation |
| (MA) Manual Controls (AU) Auto Controls |
AU | Controls |
| Area NEMA Rating | 12 | NEMA 12, 4, 4x, 7 & 9 |
| (BX) Bag Extensioner Feature | Bag Extension Option | |
| (LT) Liner Tensioner on Transporter | Liner Tensioner | |
| (PK) Single Trip Bag w/Piercing
Knife Device (IH) Intermediate Hopper w/Level Control (SH) Storage Hopper (GP) Glove Port Access |
IH | Hopper Type Beneath Loader |
| (IV) Iris Valve (Control Flow) (SG) Slide Gate (On-Off Flow) *(BP) Best Pincher (Partial Bag Removal) |
IV | Flow Control Option |
| (NF) No Upper Frame **(HM) Electric Hoist w/Manual Trolley **(HP) Electric Hoist w/Powered Trolley |
HM | Hoist Option |
| (LC) Loaded Cell Supported Frame | LC | Load Cell Option |
| (BD) Bag Dump, Insert for 50# Bags | 50# Bag Dump | |
| (TB) Tote (IB) Bin Unload, Insert Adapter | Tote Bin Unload |
B.E.S.T. Inc.
1071 Industrial Parkway North, Brunswick, Ohio 44212
Phone: (330) 273-1277 • Toll-free: (800) 827-9237 • Fax: (330) 225-8740
© 2004 B.E.S.T., Inc. All rights reserved.