series
ISO-A Couplers
KZE -ISO 7241 A (Steel Ball - Kzeb Series)
Hydronex / ISO-A Couplers
SERIES
ISO-A Couplers
KZE Steel (Kze)
Robust ISO 7241-A quick couplers manufactured from carbon steel with superior reliability. Designed for diverse industrial hydraulic applications requiring dependable pressure-tested connections.
Application
Machinery, oilfield equipment, agricultural machinery, hydraulic machinery, petroleum equipment, steel equipment, chemical industry, other hydraulic applications
Material
Carbon Steel
Surface finish
Zinc-plated
Key Features
Connection by pulling back the sleeve
Disconnection by pulling back the female sleeve
Shut off by poppet valve
Connection under pressure is not allowed
Disconnexion under pressure not allowed
Interchangeability according to ISO 7241-1 part A
Specifications
Material
High-grade carbon steel with heat-treated wear parts
Backup Ring
Polyurethane and NBR Backup ring in PTFE
Temperature Range
-25°C to +100°C (-13°F to +212°F)
Standard
According to ISO 7241-2
Nipple Female Thread / Male
| Part No | Thread | A | C | D | Part No2 | Thread2 | A2 | C2 | D2 |
|---|---|---|---|---|---|---|---|---|---|
| KZE-O2PF | G1/4 | 32 | 19 | 22 | KZE-NO2PF | NPT1/4 | 1.27 | 0.75 | 0.87 |
| KZE-O3PF | G3/8 | 37 | 22 | 26 | KZE-NO3PF | NPT3/8 | 1.47 | 0.88 | 1.01 |
| KZE-O4PF | G1/2 | 46 | 27 | 31 | KZE-NO4PF | NPT1/2 | 1.82 | 1.06 | 1.23 |
| KZE-22PF | M22X1.5 | 46 | 27 | 31 | KZE-U34PF | UNF3/4 | 1.82 | 1.06 | 1.23 |
| KZE-O6PF | G3/4 | 58 | 35 | 40 | KZE-NO6PF | NPT3/4 | 2.29 | 1.38 | 1.59 |
| KZE-O8PF | G1 | 66 | 41 | 48 | KZE-NO8PF | NPT1 | 2.58 | 1.62 | 1.88 |
| KZE-10PF | G1/4 | 75 | 54 | 59 | KZE-N10PF | NPT1/4 | 2.95 | 2.12 | 2.32 |
| KZE-12PF | G1/2 | 86 | 60 | 68 | KZE-N12PF | NPT1/2 | 3.38 | 2.36 | 2.67 |
| KZE-16PF | G 2 | 100 | 77 | 84 | KZE-N16PF | NPT 2 | 3.93 | 3.03 | 3.3 |
Couplers Female Thread / Female
| Part No | Thread | E | F | G | Part No2 | Thread2 | E2 | F2 | G2 |
|---|---|---|---|---|---|---|---|---|---|
| KZE-02SF | G1/4 | 47 | 22 | 27 | KZE-NO2SF | NPT1/4 | 1.85 | 0.88 | 1.08 |
| KZE-03SF | G3/8 | 55 | 27 | 32 | KZE-NO3SF | NPT3/8 | 2.18 | 1.06 | 1.27 |
| KZE-04SF | G1/2 | 70 | 32 | 39 | KZE-NO4SF | NPT1/2 | 2.75 | 1.25 | 1.52 |
| KZE-22SF | M22X1.5 | 70 | 32 | 39 | KZE-U34SF | UNF3/4 | 2.75 | 1.25 | 1.52 |
| KZE-06SF | G3/4 | 85 | 41 | 48 | KZE-NO6SF | NPT3/4 | 3.36 | 1.62 | 1.9 |
| KZE-08SF | G1 | 104 | 48 | 54 | KZE-NO8SF | NPT1 | 4.11 | 1.88 | 2.14 |
| KZE-10SF | G1/4 | 110 | 54 | 69 | KZE-N10SF | NPT1/4 | 4.33 | 2.12 | 2.71 |
| KZE-12SF | G1/2 | 128 | 60 | 82 | KZE-N12SF | NPT1/2 | 5.03 | 2.36 | 3.22 |
| KZE-16SF | G 2 | 153 | 77 | 100 | KZE-N16SF | NPT 2 | 6.02 | 3.03 | 3.93 |
Dimensions in mm (left) and inches (right). E, F, G represent key coupler dimensions for proper installation.
Performance Specifications
| Size | Inch | Pressure | Flow Rate | Burst P1 | Burst P2 | Burst P3 |
|---|---|---|---|---|---|---|
| 6.3 | 1/4" | 35 (5000) | 9 (2.4) | 160 (24000) | 120 (18000) | 140 (21000) |
| 10 | 3/8" | 30 (4500) | 30 (7.9) | 160 (24000) | 120 (18000) | 140 (21000) |
| 12.5 | 1/2" | 30 (4500) | 75 (19.8) | 130 (19500) | 120 (18000) | 130 (19500) |
| 20 | 3/4" | 30 (4500) | 180 (47.6) | 120 (18000) | 120 (18000) | 120 (18000) |
| 25 | 1" | 25 (3625) | 270 (71.4) | 100 (14500) | 100 (14500) | 100 (14500) |
| 31.5 | 1 1/4" | 25 (3625) | 330 (87.3) | 100 (14500) | 100 (14500) | 100 (14500) |
| 40 | 1 1/2" | 20 (3000) | 450 (119) | 80 (12000) | 80 (12000) | 80 (12000) |
| 50 | 2" | 15 (2250) | 900 (238) | 60 (9000) | 60 (9000) | 60 (9000) |
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
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Stainless SteelFitting style
kze-iso-7241-a-stainless-steel-kzess-seriesPart number
Details Availability
