Model 501XL-4 has a capacity of 400 grams of coal per minute using a screen with 0.024" diameter perforations and is recommended to pulverize minus-4 mesh coal to minus-60 mesh. In the spring-base model, springs hold the sample cup against the seal and the hand lever assembly is used to release the cup. This model is explosion proof.

Features

• A quick-opening latch provides easy access to the pulverizer and cuts power to both motors when the door is open.
• The pulverizing chamber is completely machined and sealed.
• The one-piece, dynamically balanced rotor has hard, coated hammers.
• Screen plates are circles with the loose ends held by two lock pins that extend into the pulverizing chamber. Available perforation diameters are (in inches) 0.020, 0.024, 0.033, 0.040, 0.0625, and 0.093. Also available are 0.010 X 17/32 inch slots.
• A 390-cubic inch (6390 cm³) sample cup.
• The feed auger is chain-driven from an enclosed 1/8 HP, 2.7 amp, 115 V, single phase, TEFC, AC gear motor. The auger speed is about 130 rpm.
• The rotor is belt-driven by a 1 HP, 5.5 amp, 230 V, single phase, 60 Hz, TEFC motor. The speed is about 8200 rpm. An enclosed Nema-12 motor starter has overload protection for each motor.
• Overall Size: 23H x 19 1/2W x 27D; Shipping Weight: 200 lb
• The pulverizer is mounted on four rubber base pads
• Wired to NEC standads. Other wiring configurations are available.

Supplied with

• A standard 60-cubic inch (980 cm3) capacity feed hopper
• Five screens plates.
• About 10 feet of cable to connect to the power source.

Additional Models

Catalog Number

Volts/Phase/Hertz

91-7121-01	Spring Base 230/1/60
91-7121-02	Air Base 230/1/60
91-7121-03	Spring Base 230/1/50
91-7121-04	Explosion Proof Air Base 230/1/60
91-7121-05	Explosion Proof Spring Base 230/1/60
91-7121-06	Air Base 230/1/50
91-7121-07	Extended Hopper Air Base 230/1/60
91-7121-08	Air Base 115/1/60
91-7121-09	Spring Base 115/1/60
91-7121-10	Extended Hopper Spring Base115/1/60
91-7121-11	Extended Hopper Spring Base 230/1/50
91-7121-12	Explosion Proof Spring Base 115/1/60
91-7121-13	Extended Hopper Air Base 115/1/60

Additional Information

Manual    PDF 116kb

Brochure    PDF 37kb