Page 9 - Parker - L90LS Mobile directional control valve canadian build program

Spool Codes

Double Acting Spool 1:1 Ratio

FloW rate (lPM) FloW rate (lPM)
Compensators Compensators
Spool Kl K KH lC Spool Kl K KH lC
ZGX 5 7 9 10 ZGX 1.3 1.8 2.4 2.7
KUX 13 16 20 23 KUX 3.4 4.2 5.3 6.1
KAX 20 24 31 35 KAX 5.3 6.3 8.2 9.1
KCX 27 32 40 46 KCX 7.1 8.5 10.6 12.2
MAX 37 44 53 63 MAX 9.8 11.6 14.0 16.7
BJX 41 48 57 69 BJX 10.8 12.7 15.1 18.2
MSX 59 69 77 99 MSX 15.6 18.2 20.3 26.2
RDX 81 94 97 135 RDX 21.4 24.8 25.6 35.7
URX 82 95 98 137 URX 21.7 25.1 25.9 36.1
Double Acting Spool 1.5:1 Ratio

FloW rate (lPM) QB = Qa/1.5 FloW rate (GPM)
Compensators Compensators
Spool Kl K KH lC Spool Kl K KH lC
TRX 35 42 53 66 TRX 9.2 11.1 14.0 17.4
CJX 46 55 68 84 CJX 12.2 14.5 18.0 22.2
LBX 68 80 95 115 LBX 18.0 21.1 25.1 30.4
UTX 84 97 111 133 UTX 22.2 25.6 29.3 35.1
Motor Spool 1:1 Ratio

FloW rate (lPM) FloW rate (GPM)
Compensators Compensators
Spool Kl K KH lC Spool Kl K KH lC
KKX 13 16 21 26 KKX 3.4 4.2 5.5 6.9
KNX 20 24 32 40 KNX 5.3 6.3 8.5 10.6
KEX 27 32 41 52 KEX 7.1 8.5 10.8 13.7
MPX 37 44 55 69 MPX 9.8 11.6 14.5 18.2
MLX 59 69 83 102 MLX 15.6 18.2 21.9 26.9
RJX 82 95 109 131 RJX 21.7 25.1 28.8 34.6

Single Acting Spool (Port A only)
FloW rate (lPM) FloW rate (GPM)
Compensators Compensators
Spool Kl K KH lC Spool Kl K KH lC
KRX 13 16 21 26 KRX 3.4 4.2 5.5 6.9
KOX 20 24 32 40 KOX 5.3 6.3 8.5 10.6
KPX 27 32 41 52 KPX 7.1 8.5 10.8 13.7
MNX 37 44 55 69 MNX 9.8 11.6 14.5 18.2
TBX 59 69 83 102 TBX 15.6 18.2 21.9 26.9
REX 82 95 109 131 REX 21.7 25.1 28.8 34.6
AGX 81 94 108 130 AGX 21.4 24.8 28.5 34.3

Warning: Flow rates vary by spool and compensator type. Choose the spool type first, then select the
compensator to narrow down the selection. When using a variable load sense pump, ensure the pump
differential is greater than the above spring rate to avoid instability. 9