DC Clutches and Brakes On The Rowland Company

Type DC elements can be used as either pressure actuated clutches or brakes. They are available in single and multiple disc designs.

Pressurizing the cylinder causes the piston to clamp the friction disc assemblies between clamping plates. External springs ensure positive disengagement.

Type DC elements are available in five basic disc sizes with static torque ratings to 2,061,000 lb.in (233.000 N.m). Element sizes are indicated by the number of friction discs and by the disc diameter in inches. For instance, size 225DC has two friction discs 25 inches in diameter.

Item #	W₄	Dynamic Torque Rating at 75 psi (5.2 bar)	Disc and Gear (Weight)	Housing (Weight)	Manufacturer	Actuation
146239	N/A 5.63 in143 mm	N/A 10500 lb·in1190 Nm	N/A 9 lb4 kg	N/A 60 lb27 kg	N/A Eaton-Airflex	N/A Air (DC)
146240	N/A 7.63 in194 mm	N/A 21000 lb·in2370 Nm	N/A 18 lb8 kg	N/A 70 lb32 kg	N/A Eaton-Airflex	N/A Air (DC)
146225	N/A 7.00 in178 mm	N/A 41000 lb·in4630 Nm	N/A 35 lb16 kg	N/A 170 lb77 kg	N/A Eaton-Airflex	N/A Air (DC)
146226	N/A 9.00 in229 mm	N/A 82000 lb·in9260 Nm	N/A 64 lb29 kg	N/A 190 lb86 kg	N/A Eaton-Airflex	N/A Air (DC)
146301	N/A 8.00 in203 mm	N/A 77000 lb·in8690 Nm	N/A 35 lb77 kg	N/A 235 lb107 kg	N/A Eaton-Airflex	N/A Air (DC)
146317	N/A 11.50 in292 mm	N/A 154000 lb·in17390 Nm	N/A 145 lb66 kg	N/A 297 lb135 kg	N/A Eaton-Airflex	N/A Air (DC)
146366	N/A 14.63 in372 mm	N/A 231000 lb·in26080 Nm	N/A 213 lb97 kg	N/A 359 lb163 kg	N/A Eaton-Airflex	N/A Air (DC)
146390	N/A 16.25 in413 mm	N/A 308000 lb·in34770 Nm	N/A 281 lb127 kg	N/A 421 lb191 kg	N/A Eaton-Airflex	N/A Air (DC)
146316	N/A 9.50 in241 mm	N/A 160000 lb·in18060 Nm	N/A 143 lb65 kg	N/A 557 lb253 kg	N/A Eaton-Airflex	N/A Air (DC)
146355	N/A 12.00 in305 mm	N/A 320000 lb·in36130 Nm	N/A 273 lb124 kg	N/A 689 lb312 kg	N/A Eaton-Airflex	N/A Air (DC)
146354	N/A 14.50 in368 mm	N/A 480000 lb·in54190 Nm	N/A 403 lb183 kg	N/A 821 lb372 kg	N/A Eaton-Airflex	N/A Air (DC)
146389	N/A 18.00 in457 mm	N/A 640000 lb·in72260 Nm	N/A 533 lb242 kg	N/A 953 lb432 kg	N/A Eaton-Airflex	N/A Air (DC)
146307	N/A 13.50 in343 mm	N/A 560000 lb·in63220 Nm	N/A 431 lb187 kg	N/A 1568 lb711 kg	N/A Eaton-Airflex	N/A Air (DC)
146336	N/A 16.50 in419 mm	N/A 1120000 lb·in126450 Nm	N/A 750 lb340 kg	N/A 1651 lb749 kg	N/A Eaton-Airflex	N/A Air (DC)
146360	N/A 19.50 in495 mm	N/A 1680000 lb·in189670 Nm	N/A 1087 lb493 kg	N/A 1734 lb786 kg	N/A Eaton-Airflex	N/A Air (DC)
416388	N/A 25.00 in635 mm	N/A 2240000 lb·in252900 Nm	N/A 1424 lb646 kg	N/A 1817 lb824 kg	N/A Eaton-Airflex	N/A Air (DC)

146239

N/A 5.63 in143 mm

N/A 10500 lb·in1190 Nm

N/A 9 lb4 kg

N/A 60 lb27 kg

N/A Eaton-Airflex

N/A Air (DC)

146240

N/A 7.63 in194 mm

N/A 21000 lb·in2370 Nm

N/A 18 lb8 kg

N/A 70 lb32 kg

N/A Eaton-Airflex

N/A Air (DC)

146225

N/A 7.00 in178 mm

N/A 41000 lb·in4630 Nm

N/A 35 lb16 kg

N/A 170 lb77 kg

N/A Eaton-Airflex

N/A Air (DC)

146226

N/A 9.00 in229 mm

N/A 82000 lb·in9260 Nm

N/A 64 lb29 kg

N/A 190 lb86 kg

N/A Eaton-Airflex

N/A Air (DC)

146301

N/A 8.00 in203 mm

N/A 77000 lb·in8690 Nm

N/A 35 lb77 kg

N/A 235 lb107 kg

N/A Eaton-Airflex

N/A Air (DC)

146317

N/A 11.50 in292 mm

N/A 154000 lb·in17390 Nm

N/A 145 lb66 kg

N/A 297 lb135 kg

N/A Eaton-Airflex

N/A Air (DC)

146366

N/A 14.63 in372 mm

N/A 231000 lb·in26080 Nm

N/A 213 lb97 kg

N/A 359 lb163 kg

N/A Eaton-Airflex

N/A Air (DC)

146390

N/A 16.25 in413 mm

N/A 308000 lb·in34770 Nm

N/A 281 lb127 kg

N/A 421 lb191 kg

N/A Eaton-Airflex

N/A Air (DC)

146316

N/A 9.50 in241 mm

N/A 160000 lb·in18060 Nm

N/A 143 lb65 kg

N/A 557 lb253 kg

N/A Eaton-Airflex

N/A Air (DC)

146355

N/A 12.00 in305 mm

N/A 320000 lb·in36130 Nm

N/A 273 lb124 kg

N/A 689 lb312 kg

N/A Eaton-Airflex

N/A Air (DC)

146354

N/A 14.50 in368 mm

N/A 480000 lb·in54190 Nm

N/A 403 lb183 kg

N/A 821 lb372 kg

N/A Eaton-Airflex

N/A Air (DC)

146389

N/A 18.00 in457 mm

N/A 640000 lb·in72260 Nm

N/A 533 lb242 kg

N/A 953 lb432 kg

N/A Eaton-Airflex

N/A Air (DC)

146307

N/A 13.50 in343 mm

N/A 560000 lb·in63220 Nm

N/A 431 lb187 kg

N/A 1568 lb711 kg

N/A Eaton-Airflex

N/A Air (DC)

146336

N/A 16.50 in419 mm

N/A 1120000 lb·in126450 Nm

N/A 750 lb340 kg

N/A 1651 lb749 kg

N/A Eaton-Airflex

N/A Air (DC)

146360

N/A 19.50 in495 mm

N/A 1680000 lb·in189670 Nm

N/A 1087 lb493 kg

N/A 1734 lb786 kg

N/A Eaton-Airflex

N/A Air (DC)

416388

N/A 25.00 in635 mm

N/A 2240000 lb·in252900 Nm

N/A 1424 lb646 kg

N/A 1817 lb824 kg

N/A Eaton-Airflex

N/A Air (DC)

Item #

W4

Dynamic Torque Rating at 75 psi (5.2 bar)

Disc and Gear (Weight)

Housing (Weight)

Manufacturer

Actuation

W₄