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 |
Zhejiang Songqiao Pneumatic and Hydraulic Co., Ltd. Formerly Cixi Songqiao Pneumatic and Hydraulic Components Factory, has a manufacure history of 25 years.
It specializes in producing hydraulic quick joint, pneumatic quick joint and pneumatic pipe joint, following the standards of ISO, GB, Q/ZB275. The annual capacity of 2007 is 6 million sets.
Products can be applied widely to the joints and terminals of mechanical equipment, fire protection facility, shipping, military equipment, medi-cal, aviation, steel, chemical and power equipment.
They can effectively control the flow and the broken-off of mediums like oil, water, gas and other compound currents.
Certified by ISO9001, company has been honored as one of the Credit Enterprises both in Ningbo city and Zhengjiang Province, and One of those scientific research output bases.
More than 20 sales branches are scattered in the main land, while other sales have reached far to north America, Europe, middle-east and other Asian countries.
"Songqiao"products bear equal quality to those international-wide-known brands. They aim at mutual benefits and long-term cooperation.
The company is located in Kandun Industry Zone, B District, Cixi, Zhejiang Province, a very convenient position beside Hangzhou wan Bay Bridge, 1 hour ride to Ningbo city and 3 hour to Shanghai.
