Holmbury
Holmbury / ISO.A Series / Pull Break Hydraulic Couplings
Vendor: Holmbury
Coupling Type: Hydraulic Couplings & Adapters
Description:
ISO.A Series / Pull Break Hydraulic Couplings
Coupling Category:
ISO Couplings
ISO.A SERIES - PULL BREAK - HYDRAULIC COUPLINGS
¼" - 2" Poppet Valve Types to ISO 7241 Series A
INTRODUCTION
Holmbury ISO.A Series couplings are the ideal choice where a tough, durable product of superior quality is required. They are perfectly suited to industrial and agricultural applications. A poppet valve is used to minimise the pressure drop characteristics and provide a positive sealing arrangement.
COMPARISONS
In comparison to ISO.B couplings the ISO.A Series are:
CONSTRUCTION
Zinc plated, heat treated carbon steel. Nitrile 'O' ring seals are fitted as standard. VITON seals are available on request.
¼" - 2" Poppet Valve Types to ISO 7241 Series A
INTRODUCTION
Holmbury ISO.A Series couplings are the ideal choice where a tough, durable product of superior quality is required. They are perfectly suited to industrial and agricultural applications. A poppet valve is used to minimise the pressure drop characteristics and provide a positive sealing arrangement.
COMPARISONS
In comparison to ISO.B couplings the ISO.A Series are:
- Smaller.
- Easier to connect and release.
- Positive, quick connection ensured by the snap together locking ball system.
- When connected the male and female halves can rotate, even under pressure, thus avoiding any torsional stress in the flexible hoses.
- Designed to withstand high pressure peaks and pulses.
- Poppet valves have balanced springs and calibrated oil flow passages to minimise the pressure drop.
- Poppet valve seals have shockproof protective edges.
CONSTRUCTION
Zinc plated, heat treated carbon steel. Nitrile 'O' ring seals are fitted as standard. VITON seals are available on request.
| Dimensions | ||||||||||||
| Type | Nominal diameter | Maximum working pressure (bar) | A* | B | C | D | E | F | G | H | I | Weight (kg) |
| ISO.A 14 | 6.3 | 350 | 1/4" | 19 | 19 | 32 | 26 | 47 | 64.5 | 21 | 22 | 0.13 |
| ISO.A 38 | 10 | 300 | 3/8" | 22 | 22 | 38 | 31 | 56 | 76.5 | 24 | 24 | 0.20 |
| ISO.A 12 | 12.5 | 250 | 1/2" | 27 | 27 | 44.5 | 38 | 63 | 86 | 29 | 30 | 0.34 |
| ISO.A 34 | 20 | 250 | 3/4" | 36 | 38 | 55 | 48 | 82 | 111 | 38.5 | 44 | 0.71 |
| ISO.A 100 | 25 | 230 | 1" | 41 | 45 | 63 | 54 | 97 | 127 | 45 | 52 | 1.10 |
| ISO.A 114 | 31.5 | 230 | 1¼" | 55 | 50 | 75 | 65 | 117 | 151 | 60 | 56 | 1.90 |
| ISO.A 112 | 40 | 190 | 1½" | 60 | 60 | 85 | 80 | 135 | 171 | 65.5 | 65.5 | 3.10 |
| ISO.A 200 | 50 | 130 | 2" | 75 | 75 | 100 | 100 | 160 | 201 | 82.5 | 83.5 | 5.50 |
A*=inch size BSP or NPT. Other dimensions in mm.
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