
ISO 7241 A Quick Coupling (Carbon Steel)
A6600 Series
Our A6600 Series is another appearance of ISO A Quick Coupling( ISO 7241 Series A ), they are custom OEMs produced for some customers from Europe. The dimensional requirements complied with ISO 7241 Series A Standard.
- A6600 Series available from 1/4″ to 1″ body size
- Both Socket and plug body are precision machined from solid bar stock, CNC machine the appearance is more complex than our A6000 Series.
- The Critical parts are hardened for durability and working stable.
- The Dependable ball-locking mechanism holds the mating halves together.
- Interchangeable with any ISO 7241 Series A quick couplings, Parker 6600 Series, Faster ANV series, etc.
A6600 Series – Hydraulic Couplings ISO 7241 A Quick Coupling Part Number and Performance
Part Number | Description | Operating Pressure | Rated Flow | |||||
Complete Coupler | Female Body Half | Male Tip Half | Body Size | Thread Size and Description | PSI | Bar | GPM | LPM |
A6600-02 NPT14 | A6601-02 NPT14 | A6602-02 NPT14 | 1/4” | 1/4” NPT Female | 5000 | 344.7 | 3 | 11.36 |
A6600-02 G14 | A6601-02 G14 | A6602-02 G14 | 1/4” | 1/4” BSPP Female | 5000 | 344.7 | 3 | 11.36 |
A6600-03 NPT38 | A6601-03 NPT38 | A6602-03 NPT38 | 3/8” | 3/8” NPT Female | 4000 | 275.8 | 6 | 22.7 |
A6600-03 G38 | A6601-03 G38 | A6602-03 G38 | 3/8” | 3/8” BSPP Female | 4000 | 275.8 | 6 | 22.7 |
A6600-04 NPT12 | A6601-04 NPT12 | A6602-04 NPT12 | 1/2” | 1/2” NPT Female | 4000 | 275.8 | 12 | 45.4 |
A6600-04 G12 | A6601-04 G12 | A6602-04 G12 | 1/2” | 1/2” BSPP Female | 4000 | 275.8 | 12 | 45.4 |
A6600-06 NPT34 | A6601-06 NPT34 | A6602-06 NPT34 | 3/4” | 3/4” NPT Female | 3000 | 206.8 | 28 | 106 |
A6600-06 G34 | A6601-06 G34 | A6602-06 G34 | 3/4” | 3/4” BSPP Female | 3000 | 206.8 | 28 | 106 |
A6600-08 NPT1 | A6601-08 NPT1 | A6602-08 NPT1 | 1” | 1” NPT Female | 3000 | 206.8 | 50 | 189.2 |
A6600-08 G1 | A6601-08 G1 | A6602-08 G1 | 1” | 1” BSPP Female | 3000 | 206.8 | 50 | 189.2 |
To convert between pressure and flow units, go to the unit conversion page.
- Default Seals: Default Seals: NBR(Buna-N) Options: FKM
- Temperature Range: -40° To +250 °F (-40°C To 120°C) for Buna-N Seals ; -15° to +450° F (-26°C To 230°C) fir Viton
- Pressure rating (Max. Operating Pressure) is based on Non-Pulsating,
- Low Cycle applications with essentially steady pressure during the operating cycle

A6600 Series ISO A Quick Couplings Dimensions
Size | Thread Size(A) | B | C | D | ØE | F | G | ØH | ØI | ØJ |
Dimensions in mm | ||||||||||
Dimensions in inch | ||||||||||
A6600 02 | 1/4” | 19 | 19 | 35.5 | 26 | 49.5 | 71 | 21 | 21 | 11.8 |
0.7 | 0.7 | 1.4 | 1.0 | 1.9 | 2.8 | 0.8 | 0.8 | 0.5 | ||
A6600 03 | 3/8” | 22 | 22 | 36.5 | 31.5 | 56 | 75 | 24 | 24 | 17.2 |
0.9 | 0.9 | 1.4 | 1.2 | 2.2 | 3.0 | 0.9 | 0.9 | 0.7 | ||
A6600 04 | 1/2” | 27 | 27 | 43.5 | 38.5 | 66 | 88 | 30 | 30 | 20.5 |
1.1 | 1.1 | 1.7 | 1.5 | 2.6 | 3.5 | 1.2 | 1.2 | 0.8 | ||
A6600 06 | 3/4” | 35 | 35 | 57 | 47 | 80 | 111 | 38 | 38 | 29 |
1.4 | 1.4 | 2.2 | 1.9 | 3.1 | 4.4 | 1.5 | 1.5 | 1.1 | ||
A6600 08 | 1” | 41 | 41 | 60 | 55.5 | 94 | 120 | 44.5 | 44.5 | 34.2 |
1.6 | 1.6 | 2.4 | 2.2 | 3.7 | 4.7 | 1.8 | 1.8 | 1.3 | ||
A6600 10 | 1 1/4” | 50 | 50 | 75 | 69 | 117 | 150 | 56 | 56 | 45 |
2.0 | 2.0 | 3.0 | 2.7 | 4.6 | 5.9 | 2.2 | 2.2 | 1.8 | ||
A6600 12 | 1 1/2” | 60 | 60 | 83.5 | 84 | 131 | 168.5 | 63 | 66 | 55 |
2.4 | 2.4 | 3.3 | 3.3 | 5.2 | 6.6 | 2.5 | 2.6 | 2.2 | ||
A6600 16 | 2” | 75 | 75 | 105 | 99 | 165 | 211.5 | 83 | 83 | 65 |
3.0 | 3.0 | 4.1 | 3.9 | 6.5 | 8.3 | 3.3 | 3.3 | 2.6 |