Get the job done with the right equipment
Hydraulink provides a ‘matched system’ of hose and fittings, ensuring our products are engineered to work together to exceed international SAE and ISO standards and deliver outstanding application and safety performance. Our matched system provides optimal function, minimises risk and guarantees hose performance and safety for ultimate peace of mind when using Hydraulink as your supplier.
Hydraulink’s quality product is available in a complete range of braided and multispiral hydraulic hoses - for low to ultra high pressure applications. Our hose range includes speciality products for high abrasion, tight bend radius and high temperature applications.
The other integral part of the guaranteed matched system is Hydraulink’s fittings range which are manufactured to SAE and ISO standards - using premium steel stock sourced from European steel mills. Our comprehensive range of fittings is industry leading with over 5,000 product lines.
To compliment our product range, we also offer an assortment of accessories including Adaptors, Quick Release Couplers, Tube Clamps, Ball Valves, Assembly Equipment and Premium Hydraulic Oils.
STANDARD SERIES
BALL SEAL COUPLINGS
STANDARD SERIES
BALL SEAL COUPLINGS

QNS
BALL SEAL COUPLINGS
- Please enquire for other thread forms and sizes. For sizes larger than 16 (1) refer to QNV series.
- NOTE: Only size 08 (1/2) is interchangeable with ISO 7241-1 part A.
- Recommended for: Agriculture, industrial, construction, earthmoving.
- Connection: Connect without pressure - pull back female sleeve and push couplings to connect. Disconnect under pressure not allowed - pull back female sleeve to disconnect.
- Latching: Balls latching.
- Shut-off system: Ball valve.
- Temperature range: -25°C to +125°C
- Standards: 08 (1/2) size only; Interchangeability according to ISO 7241-1 part A
- All other sizes; Interchangeability according to Faster internal standard. Interchangeability with all QNV series couplings (all sizes).
INTERCHANGE WITH ISO 7241-1 PART A IN 08 SIZE
Product Data
QNS-F04
Base Size
04
Threadform
BSPPF socket
Thread Size
1/4-19
Coupling Length - L1
50.0
Coupling O.D - D1
27
Hex Size A/F (Hex 1)
19
Inner Coupling O.D - D3
QNS-F06
Base Size
06
Threadform
BSPPF socket
Thread Size
3/8-19
Coupling Length - L1
59.5
Coupling O.D - D1
33
Hex Size A/F (Hex 1)
24
Inner Coupling O.D - D3
QNS-F08
Base Size
08
Threadform
BSPPF socket
Thread Size
1/2-14
Coupling Length - L1
68.0
Coupling O.D - D1
38
Hex Size A/F (Hex 1)
27
Inner Coupling O.D - D3
QNS-F12
Base Size
12
Threadform
BSPPF socket
Thread Size
3/4-14
Coupling Length - L1
82.5
Coupling O.D - D1
48
Hex Size A/F (Hex 1)
34
Inner Coupling O.D - D3
QNS-F16
Base Size
16
Threadform
BSPPF socket
Thread Size
1-11
Coupling Length - L1
100.0
Coupling O.D - D1
56
Hex Size A/F (Hex 1)
41
Inner Coupling O.D - D3
QNS-M04
Base Size
04
Threadform
BSPPF socket
Thread Size
1/4-19
Coupling Length - L1
33.0
Coupling O.D - D1
21
Hex Size A/F (Hex 1)
19
Inner Coupling O.D - D3
14.1
QNS-M06
Base Size
06
Threadform
BSPPF socket
Thread Size
3/8-19
Coupling Length - L1
39.0
Coupling O.D - D1
27
Hex Size A/F (Hex 1)
24
Inner Coupling O.D - D3
18.9
QNS-M08
Base Size
08
Threadform
BSPPF socket
Thread Size
1/2-14
Coupling Length - L1
46.0
Coupling O.D - D1
30
Hex Size A/F (Hex 1)
27
Inner Coupling O.D - D3
20.5
QNS-M12
Base Size
12
Threadform
BSPPF socket
Thread Size
3/4-14
Coupling Length - L1
53.5
Coupling O.D - D1
38
Hex Size A/F (Hex 1)
34
Inner Coupling O.D - D3
27.9
QNS-M16
Base Size
16
Threadform
BSPPF socket
Thread Size
1-11
Coupling Length - L1
66.0
Coupling O.D - D1
45
Hex Size A/F (Hex 1)
41
Inner Coupling O.D - D3
31.3
INTRODUCING NEW ENDURO SPIRAL HOSE
ENDURO spiral is an extremely flexible slim profile hose featuring our very high wear and abrasion resistant SuperTuff (ST) MSHA cover for increased protection against abrasion in severe operating environments.