Large Air Clutch0 pages
LARGE AIR CLUTCHES
MODEL PO - SIZES 14, 18, 24, 30, 36 AND 42 INCHES
AVAILABLE IN 1. 2 OR 3 PLATE CONSTRUCTION
UNIQUE RELEASE SPRING DESIGN
INTEGRAL QUICK-RELEASE VALVE
POSITIVE RELEASE AND POSITIONING OF PRESSURE AND
CENTER PLATES
FOUR OVERSIZE RELEASE SPRINGS, WELL-REMOVED FROM
HEAT ZONE, ASSURE QUICK. POSITIVE RELEASE
NARROWER WIDTH ALLOWS MORE COMPACT INSTALLATION
HEAVY. RUGGED TEETH FOR LONGER WEAR LIFE
LARGE DIAPHRAGM AREA PROVIDES UP TO 35 PERCENT
HIGHER TORQUE CAPACITY
TROUBLE-FREE DIAPHRAGM ELIMINATES RELEASE DRAG;
FIELD-PROVEN FOR LONG LIFE
LARGE PASSAGES. WITH CORED BACK PLATE, ASSURE
ADEQUATE AIR-COOLING TO ALL PARTS
CAPACITY DATA
Clutch Model | Application Duty Classification | Maximum Sip Torque® 130 PSI Nm (Ib-ft) | Maximum Safe Operating Speed | Air Volume to Engage (fully worn) cubic inches | ||||
Class 1 Work Torque Nm (Ib-ft) | Maximum rating - kW (hp) | Solid Plates | Split Plates | |||||
Class ll | Class III | Class IV | ||||||
PO-114 | 3813(2812) | 140(188) | 93 (125) | 70 (94) | 5084(3750) | 2400 | 1950 | 34 |
PO-214 | 7626(5625) | 280 (376) | 187(251) | 140(188) | 10.169(7500) | 2500 | 1950 | 66 |
PO-314 | 11.439 (8437) | 421 (564) | 280(376) | 210(282) | 15,253(11,250) | 2500 | 1920 | 71 |
PO-118 | 7575(5587) | 232(311) | 154 (207) | 116(156) | 10.101 (7450) | 1800 | 1550 | 56 |
PO-218 | 15.151(11.175) | 464 (622) | 309 (415) | 232 (311) | 20,202(14.900) | 1950 | 1550 | 105 |
PO 318 | 22.726(16,762) | 696(933) | 464(622) | 348(467) | 30,303 (22,350) | 2050 | 1550 | 157 |
P0-124 | 17.592(12,975) | 412(553) | 274(368) | 206 (276) | 23,456(17,300) | 1400 | 1150 | 115 |
PO-224 | 35,183(25.950) | 82b 11106) | 550(737) | 412 (553) | 46,911(34,600) | 1450 | 1000 | 220 |
PO 324 | 52.775 (38,925) | 1237 (1659) | 825 (1106) | 618(829) | 70,367 (51.900) | 1450 | 975 | 331 |
PO 230 | 66.0961-18.750) | 1289(17281 | 859(1152) | 614 (864) | 88.128(65.000) | 1100 | 925 | 335 |
PO 330 | 99.144 (73,125) | 1933 (2592: | 1289(1728) | 966(1296) | :32,192 (97,500) | 1100 | 925 | 510 |
P0-236 | 113.075 (83.400) | 1855(2488) | 1237(1659) | 928(1244) | :5.185 (111,200) | 825 | 600 | 510 |
PO-336 | 169.613(125.100) | 2783(3732) | 1855 (2488) | 1391 (1866) | 226.150(166.800) | 1100- | 850" | 760 |
PO-342 | 280.654 (207.000) | 3788(5080) | 2526(3387) | 1894(2540) | 374,206 (276.000) | 1100* | 825' | 1580 |
' Steel driving ring.
For best clutch performance when used as:
Master or Operating Clutch - limit use to 75% of maximum input torque and derate for apply pressures less than I JO psi.
Class I - Disconnect. Class II - Light Duty. Class III - Normal Duty. Class IV - Heavy Duty.
Maximum Speeds - The maximum speeds listed in this bulletin are safe permissible speeds possible with cast iron driving rings.
The driving ring is normally the most critical member because it has the largest diameter. It should be remembered that the maximum
speed listed is usually set considerably above (he desired operating speed in the average installation.
Specifications subject to change without prior notice in the interest of continual product improvement
Contact your local Twin Disc representative for engineering specifications.
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