LSQ-PK Close Type Hydraulic Quick Coupling (Steel)
Applications:
The LSQ-PK Series brings to the industry a proven design for use on
construction equipment, forestry equipment, agricultural machinery,
oil tools, steel mill machinery, and other demanding hydraulic
applications.
Temperature Range(std seals) -20 degree to +100 degree
Standard seal material is Nitrile
| Body Size(in) | 1/4 | 3/8 | 1/2 | 3/4 | 1 |
| Rated Pressure(PSI) | 5000 | 4000 | 4000 | 3000 | 3000 |
| Rated Flow(GPM) | 3 | 6 | 12 | 28 | 50 |
| Temperature Range(std seals) | -20ºC to +120ºC |
| Standard seal material | NBR |
LSQ-PK Series couplings feature:
1. Poppet valves available to prevent uncoupled leakage.
2. Poppet valves open automatically when coupled, within rated
working pressure, to keep the flow expeditely.
3. Critical parts are hardened for durability.
4. Dependable ball-locking mechanism holds the mating halves
together.
5. Socket and plug are precision machined from solid bar stock.
6. LSQ-PK series conforms to the standard of ISO5675.
7. Compatible with PARKER 4000 Series and FASTER NV/NS Series
| ISO | PARTNO. | LS | ¢D | HEX1 | A | T |
| 6.3 | LSQ-PK-02SF | 55.5 | 27.6 | 22.2 | 12.5 | G1/4 NPT1/4 |
| 10 | LSQ-PK-03SF | 60.5 | 34 | 24 | 13 | G3/8 NPT3/8 |
| 12.5 | LSQ-PK-04SF | 68 | 38 | 27 | 16 | G1/2 NPT1/2 |
| 20 | LSQ-PK-06SF | 83 | 47.5 | 35 | 18 | G3/4 NPT3/4 |
| 20 | LSQ-PK-06SF(E) | 82.5 | 48.2 | 34 | 19 | G3/4 NPT3/4 |
| 25 | LSQ-PK-08SF | 97.5 | 56.2 | 41 | 21 | G1 NPT1 |
| ISO | PARTNO. | LP | d | C | HEX2 | A | T |
| 6.3 | LSQ-PK-02PF | 36 | 14.2 | 18.5 | 19 | 12.5 | G1/4 NPT1/4 |
| 10 | LSQ-PK-03PF | 40 | 19 | 22 | 24 | 13 | G3/8 NPT3/8 |
| 12.5 | LSQ-PK-04PF | 46 | 20.5 | 29 | 27 | 18 | G1/2 NPT1/2 |
| 20 | LSQ-PK-06PF | 51 | 26.9 | 28.5 | 33.3 | 18 | G3/4 NPT3/4 |
| 20 | LSQ-PK-06PF(E) | 53.5 | 28 | 32 | 34 | 19 | G3/4 NPT3/4 |
| 25 | LSQ-PK-08PF | 64 | 31.3 | 34 | 41 | 21 | G1" NPT1" |
| ISO | PARTNO. | L | ¢D | HEX1 | HEX2 | T |
| 6.3 | LSQ-PK-02 | 74.2 | 27.6 | 22.2 | 19 | G1/4 NPT1/4 |
| 10 | LSQ-PK-03 | 80.2 | 34 | 24 | 24 | G3/8 NPT3/8 |
| 12.5 | LSQ-PK-04 | 92.3 | 38.5 | 27 | 27 | G1/2 NPT1/2 |
| 20 | LSQ-PK-06 | 102.2 | 47.5 | 35 | 33.3 | G3/4 NPT3/4 |
| 20 | LSQ-PK-06(E) | 107.8 | 48.2 | 34 | 34 | G3/4 NPT3/4 |
| 25 | LSQ-PK-08 | 128.8 | 56.2 | 41 | 41 | G1 NPT1 |
