| MARTIN ENGINEERING INFORMATION |
|
|
|
|
|
|
|
| Service Factors For QUADRA-FLEX¨
Couplings |
|
|
|
|
|
|
|
| |
|
Service Factor |
Electric Motor |
Electric Motor |
|
Reciprocating |
|
|
Symbol |
Standard Torque |
High Torque |
Turbines |
Engines |
| |
|
L (LIGHT) |
1.25 |
1.5 |
1 |
1.5 |
|
|
M (MEDIUM) |
1.5 |
2 |
1.25 |
2 |
|
|
H (HEAVY) |
2 |
2.5 |
1.5 |
2.5 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Table 1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
Application |
SF Symbols |
|
|
|
|
|
AGITATORS - Paddle, Propeller, Screw |
L |
|
|
|
|
|
BAND RESAW |
M |
|
|
|
|
|
BARGE HAUL PULLER |
H |
|
|
|
|
|
BARKING (Lumber) |
H |
|
|
|
|
|
BAR SCREEN (sewage) |
L |
|
|
|
|
|
BATCHES (textile) |
L |
|
|
|
|
|
BEATER AND PULPER (paper) |
M |
|
|
|
|
|
BENDING ROLL (metal) |
M |
|
|
|
|
|
BLEACHER (paper) |
L |
|
|
|
|
|
BLOWERS - Centrifugal, Vane |
L |
|
|
|
|
|
BLOWERS - Lobe |
M |
|
|
|
|
|
BOTTLING MACHINERY |
L |
|
|
|
|
|
BREW KETTLES (distilling) |
L |
|
|
|
|
|
BUCKET ELEVATOR OR CONVEYOR |
M |
|
|
|
|
|
CALENDERS -Calender (paper) |
M |
|
|
|
|
|
CALENDERS - Calender-super (paper, rubber) |
H |
|
|
|
|
|
CANE KNIVES (sugar) |
M |
|
|
|
|
|
CARD MACHINE (textile) |
H |
|
|
|
|
|
CAR DUMPERS |
H |
|
|
|
|
|
CEMENT KILN |
H |
|
|
|
|
|
CENTRIFUGAL BLOWERS COMPRESSORS, FANS
or PUMPS |
L |
|
|
|
|
|
CHEMICAL FEEDERS (sewage) |
L |
|
|
|
|
|
CHILLER (oil) |
M |
|
|
|
|
|
CHIPPER (paper) |
H |
|
|
|
|
|
CIRCULAR RESAW |
M |
|
|
|
|
|
CLARIFIER or CLASSIFIER |
L |
|
|
|
|
|
CLAY WORKING MACHINERY |
M |
|
|
|
|
|
COLLECTORS (sewage) |
L |
|
|
|
|
|
COMPRESSORS - Centrifugal |
L |
|
|
|
|
|
COMPRESSORS - Reciprocating |
* |
|
|
|
|
|
COMPRESSORS - Screw, Lobe |
L |
|
|
|
|
|
CONCRETE MIXERS |
M |
|
|
|
|
|
CONVERTING MACHINE (paper) |
M |
|
|
|
|
|
CONVEYORS - Apron, Assembly Belt, Flight |
L |
|
|
|
|
|
CONVEYORS - Oven, Screw |
L |
|
|
|
|
|
CONVEYORS - Bucket |
M |
|
|
|
|
|
COOKERS- Brewing, Distilling, Food |
L |
|
|
|
|
|
COOLING TOWER FANS |
H |
|
|
|
|
|
COUCH (paper) |
M |
|
|
|
|
|
CRANES & HOISTS |
M |
|
|
|
|
|
Heavy Duty Mine |
H |
|
|
|
|
|
CRUSHERS — Cane (sugar), Stone, Ore |
H |
|
|
|
|
|
CUTTER — Paper |
H |
|
|
|
|
|
CYLINDER (paper) |
H |
|
|
|
|
|
DEWATERING SCREEN (sewage) |
M |
|
|
|
|
|
DISC FEEDER |
L |
|
|
|
|
|
DOUGH MIXER |
M |
|
|
|
|
|
DRAW BENCH CONVEYOR & Main Drive |
H |
|
|
|
|
|
DREDGES - Cable Reel, Pumps |
M |
|
|
|
|
|
DREDGES - Cutter Head Drive, Jig Drive |
H |
|
|
|
|
|
DREDGES - Screen Drive |
H |
|
|
|
|
|
DREDGES - Maneuvering and Utility Winch |
M |
|
|
|
|
|
DREDGES - Stacker |
M |
|
|
|
|
|
DYNAMOMETER |
L |
|
|
|
|
|
DRYERS (rotary) |
M |
|
|
|
|
|
EDGER (lumber) |
H |
|
|
|
|
|
ELEVATORS - Bucket |
M |
|
|
|
|
|
ELEVATORS - Escalator |
L |
|
|
|
|
|
ELEVATORS - Freight, Passenger, Service, Man Lift |
H |
|
|
|
|
|
ESCALATORS |
L |
|
|
|
|
|
EXTRUDER (metal) |
H |
|
|
|
|
|
FANS - Centrifugal |
L |
|
|
|
|
|
FANS - Cooling Tower |
H |
|
|
|
|
|
Forced Draft, Large Industrial, Mine |
M |
|
|
|
|
|
FEEDERS - Apron, Belt, Disc |
L |
|
|
|
|
|
FEEDERS - Reciprocating |
H |
|
|
|
|
|
FEEDERS - Screw |
M |
|
|
|
|
|
FILTER, PRESS-OIL |
M |
|
|
|
|
|
GENERATORS - Uniform load |
L |
|
|
|
|
|
GENERATORS - Varying load, Holst |
M |
|
|
|
|
|
GENERATORS - Welders |
H |
|
|
|
|
|
GRIT COLLECTOR (sewage) |
L |
|
|
|
|
|
GRIZZLY |
H |
|
|
|
|
|
HAMMERMILL - Light Duty, Intermittent |
M |
|
|
|
|
|
HAMMERMILL - Heavy Duty, Continuous |
H |
|
|
|
|
|
HOISTS |
|
|
|
|
|
|
Heavy Duty |
H |
|
|
|
|
|
Medium Duty |
M |
|
|
|
|
|
JORDAN (paper) |
H |
|
|
|
|
|
KILN, ROTARY |
H |
|
|
|
|
|
LAUNDRY WASHER or TUMBLER |
H |
|
|
|
|
|
LINE SHAFTS |
L |
|
|
|
|
|
LOG HAUL (lumber) |
H |
|
|
|
|
|
LOOM (textile) |
M |
|
|
|
|
|
MACHINE TOOLS, MAIN DRIVE |
M |
|
|
|
|
|
MANGLE (textile) |
L |
|
|
|
|
|
MASH TUBS (distilling) |
L |
|
|
|
|
|
MEAT GRINDER |
M |
|
|
|
|
|
METAL FORMING MACHINES |
M |
|
|
|
|
|
MILLS |
|
|
|
|
|
|
Ball, Pebble, Rod, Tube |
H |
|
|
|
|
|
Rubber, Tumbling |
H |
|
|
|
|
|
Dryer and Cooler |
M |
|
|
|
|
|
MIXER |
|
|
|
|
|
|
Concrete, Muller |
M |
|
|
|
|
|
Banbury |
H |
|
|
|
|
|
ORE CRUSHER |
H |
|
|
|
|
|
OVEN CONVEYOR |
L |
|
|
|
|
|
PLANER (metal or wood) |
M |
|
|
|
|
|
PRESSES |
|
|
|
|
|
|
Brick, Brlquette Machine |
H |
|
|
|
|
|
Notchlng, Paper, Punch, Printing |
M |
|
|
|
|
|
PUG MILL |
M |
|
|
|
|
|
PULP GRINDER (paper) |
H |
|
|
|
|
|
PULVERIZERS |
|
|
|
|
|
|
Hammermill — light duty, Roller |
M |
|
|
|
|
|
Hammermill — heavy duty, Hog |
H |
|
|
|
|
|
PUMPS - Centrifugal, Axial |
L |
|
|
|
|
|
PUMPS - Gear, Lobe, Vane |
M |
|
|
|
|
|
Reciprocating — sgl. or dbl. acting |
* |
|
|
|
|
|
REEL, REWINDER (paper) CABLE |
M |
|
|
|
|
|
ROD MILL |
H |
|
|
|
|
|
SAWDUST CONVEYOR |
L |
|
|
|
|
|
SCREENS- Air Washing, Water |
L |
|
|
|
|
|
SCREENS - Rotary for coal or sand |
M |
|
|
|
|
|
SCREENS - Vibrating |
H |
|
|
|
|
|
SCREW CONVEYOR |
L |
|
|
|
|
|
SLAB CONVEYOR (lumber) |
M |
|
|
|
|
|
SLITTERS (metal) |
M |
|
|
|
|
|
SOAPERS (textile) |
L |
|
|
|
|
|
SORTING TABLE (lumber) |
M |
|
|
|
|
|
SPINNER (textile) |
M |
|
|
|
|
|
STOKER |
L |
|
|
|
|
|
SUCTION ROLL (paper) |
M |
|
|
|
|
|
TENTER FRAMES (textile) |
M |
|
|
|
|
|
TIRE BUILDING MACHINES |
H |
|
|
|
|
|
TIRE & TUBE PRESS OPENER |
L |
|
|
|
|
|
TUMBLING BARRELS |
H |
|
|
|
|
|
WASHER and THICKENER (paper) |
M |
|
|
|
|
|
WINCHES |
M |
|
|
|
|
|
WINDERS, Paper, Textile, Wire |
M |
|
|
|
|
|
WINDLASS |
M |
|
|
|
|
|
WIRE - Drawing |
H |
|
|
|
|
|
WIRE - Winding |
M |
|
|
|
|
|
WOODWORKING MACHINERY |
L |
|
|
|
|
|
|
|
|
|
|
|
|
* Consult Factory |
|
|
|
|
|