series
ISO-A Couplers
KZE -ISO 7241 A (Steel Ball - Kzeb Series)
Hydronex / ISO-A Couplers
SERIES
ISO-A Couplers
KZE Stainless Steel (Kzess)
Premium stainless steel (SS304) ISO 7241-A quick couplers offering exceptional corrosion resistance. Ideal for demanding environments including food processing, marine, and chemical applications.
Application
Food industry, pharmaceutical applications, marine environments, chemical processing, hygienic fluid transfer systems
Material
Stainless Steel (SS304)
Surface finish
Passivated
Key Features
The new design can resist the impact of high-speed fluid and pulse pressure, providing higher performance
When the connector is disconnected, the valve core automatically closes to prevent leakage
After the connector is connected, it automatically opens to keep the fluid flowing within the rated working range
Key components are induction hardened for good durability
Reliable ball lock mechanism combines the matching halves
Female socket and male plug are precision-made from solid bar stock
This connector complies with ISO7241-A standard
Superior corrosion resistance in harsh environments
Specifications
Standard
ISO 7241-A
Type
Flat-Face
Material
Stainless Steel (SS304)
Pressure Rating
210 bar (3000 PSI)
Temperature Range
-20°C to +60°C
Connection Type
Male/Female Poppet
Nipple Female Thread / Male
| Part No | Thread | Overall Length | Exposed Length | Hex Size | Largest Diameter | Part No2 | Thread2 | Overall Length2 | Exposed Length2 | Hex Size2 | Largest Diameter2 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| KZESS-02PF | G1/4 | 32 | 15 | 19 | 22 | KZESS-N02PF | NPT1/4 | 1.27 | 0.58 | 0.75 | 0.87 |
| KZESS-03PF | G3/8 | 37 | 18 | 22 | 26 | KZESS-N03PF | NPT3/8 | 1.47 | 0.72 | 0.88 | 1.01 |
| KZESS-04PF | G1/2 | 46 | 20 | 27 | 31 | KZESS-N04PF | NPT1/2 | 1.82 | 0.78 | 1.06 | 1.23 |
| KZESS-06PF | G3/4 | 58 | 30 | 35 | 40 | KZESS-N06PF | NPT3/4 | 2.29 | 1.18 | 1.38 | 1.59 |
| KZESS-08PF | G1 | 66 | 34 | 41 | 48 | KZESS-N08PF | NPT1 | 2.58 | 1.34 | 1.62 | 1.88 |
| KZESS-10PF | G1 1/4 | 75 | 36 | 54 | 59 | KZESS-N10PF | NPT1 1/4 | 2.95 | 1.41 | 2.12 | 2.32 |
| KZESS-12PF | G1 1/2 | 86 | 38 | 60 | 68 | KZESS-N12PF | NPT1 1/2 | 3.38 | 1.49 | 2.36 | 2.67 |
| KZESS-16PF | G2 | 100 | 77 | 77 | 84 | KZESS-N16PF | NPT2 | 3.93 | 3.03 | 3.03 | 3.3 |
Couplers Female Thread / Female
| Part No | Thread | E | F | G | Part No2 | Thread2 | E2 | F2 | G2 |
|---|---|---|---|---|---|---|---|---|---|
| KZESS-02SF | G1/4 | 47 | 22 | 27 | KZESS-N02SF | NPT1/4 | 1.85 | 0.88 | 1.08 |
| KZESS-03SF | G3/8 | 55 | 27 | 32 | KZESS-N03SF | NPT3/8 | 2.18 | 1.06 | 1.27 |
| KZESS-04SF | G1/2 | 70 | 32 | 39 | KZESS-N04SF | NPT1/2 | 2.75 | 1.25 | 1.52 |
| KZESS-06SF | G3/4 | 85 | 41 | 48 | KZESS-N06SF | NPT3/4 | 3.36 | 1.62 | 1.9 |
| KZESS-08SF | G1 | 104 | 48 | 54 | KZESS-N08SF | NPT1 | 4.11 | 1.88 | 2.14 |
| KZESS-10SF | G1 1/4 | 110 | 54 | 69 | KZESS-N10SF | NPT1 1/4 | 4.33 | 2.12 | 2.71 |
| KZESS-12SF | G1 1/2 | 128 | 60 | 82 | KZESS-N12SF | NPT1 1/2 | 5.03 | 2.36 | 3.22 |
| KZESS-16SF | G2 | 153 | 77 | 100 | KZESS-N16SF | NPT2 | 6.02 | 3.03 | 3.93 |
Performance Specifications
| Size | Inch | Pressure | Flow Rate | Burst P1 | Burst P2 | Burst P3 |
|---|---|---|---|---|---|---|
| 6.3 | 1/4 | 35 (5075) | 14 (3.08) | 140 (20300) | 200 (29000) | 200 (29000) |
| 10 | 3/8 | 27 (3900) | 27 (5.9) | 110 (15950) | 110 (15950) | 160 (23200) |
| 12.5 | 1/2 | 32 (4625) | 60 (15.9) | 150 (21750) | 130 (18850) | 130 (18850) |
| 20 | 3/4 | 25 (3750) | 110 (29.1) | 100 (14500) | 105 (15225) | 165 (24000) |
| 25 | 1 | 21 (3025) | 150 (39.7) | 84 (12175) | 90 (13050) | 106 (15350) |
| 40 | 1 1/2 | 14 (2025) | 750 (198.4) | 56 (8100) | 56 (8100) | 60 (8700) |
| 50 | 2 | 9 (1300) | 1600 (423.3) | 38 (5500) | 40 (5800) | 45 (6525) |
Dust Protection
| mm | inch | PVC | Aluminum | ||
|---|---|---|---|---|---|
| Part Number | Colour | Part Number | Colour | ||
| 6.3 | 1/4 | CZE-1/4 | PZE-1/4 | ||
| 10 | 3/8 | CZE-3/8 | PZE-3/8 | ||
| 12.5 | 1/2 | CZE-1/2 | PZE-1/2 | ||
| 20 | 3/4 | CZE-3/4 | PZE-3/4 | ||
| 25 | 1 | CZE-1 | PZE-1 | ||
Other ISO-A Couplers
series
ISO-A Couplers
KZE -ISO 7241 A (Steel - Kze Series)
