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SL242
EN 856-4SP | MSHA
WIRE SPIRAL HYDRAULIC HOSE
Key words:
Classification:
Quick Overview：
The EN 856-4SP | MSHA Hydraulic Hose, also known as a 4SP spiral hose, four-wire spiral hydraulic hose, or high-pressure spiral hose, is engineered for heavy-duty high-pressure hydraulic systems. Compatible with petroleum-based, water-based, and biodegradable fluids, it operates reliably from -40°C to +100°C (-40°F to +212°F), offering superior oil, weather, and abrasion resistance. Available in sizes from 1/4" to 2" (DN6–DN50), it is widely applied in wheel loaders, tunnel boring machines, underground mining equipment, and agricultural harvesters, ensuring stable and long-lasting performance under high impulse cycles.
Description
EN 856-4SP | MSHA
Application:
• Conveying water-based, petroleum-based, and biodegradable hydraulic fluids
• Heavy-duty hydraulic systems in construction, mining, agriculture, and tunneling
• Commonly used in wheel loaders, underground mining machines, and tunnel boring equipment
• Suitable for applications requiring constant high working pressure and durability
Construction & Materials:
Inner Tube: Black hot oil-resistant synthetic rubber
Reinforcement: Four plies of spiraled high-tensile steel wire for strength and flexibility
Outer Layer: Black oil-, weather-, and abrasion-resistant synthetic rubber
Temperature Range: -40°C to +100°C (-40°F to +212°F)
Available Sizes: 1/4"–2" (DN6–DN50)
Key Features & Benefits:
• Provides steady and reliable performance in demanding hydraulic circuits
• High impulse resistance for continuous heavy-duty operation
• Withstands high working pressures for stable performance under load
• Excellent oil, weathering, and abrasion resistance for extended service life
•Designed for construction, agriculture, mining, and tunneling machinery
Standards & Certifications:
• EN 856-4SP and MSHA certified for high-pressure hydraulic applications
• Manufactured to international performance and safety standards
•Widely recognized in global hydraulic system applications
Specifications:
|
Part No. |
I.D. |
O.D. |
Max.W.P. |
Min.B.P. |
Min.B.R. |
Weight |
||
|
Min |
Max |
|||||||
|
inch |
mm |
mm |
mm |
MPa |
MPa |
mm |
kg/m |
|
|
SL242-4 |
1/4 |
6.4 |
16.6 |
18.6 |
45 |
180 |
150 |
0.6 |
|
SL242-6 |
3/8 |
9.5 |
19.1 |
21.1 |
44.5 |
178 |
180 |
0.71 |
|
SL242-8 |
1/2 |
12.7 |
21.8 |
23.8 |
41.5 |
166 |
230 |
0.82 |
|
SL242-10 |
5/8 |
15.9 |
25.4 |
27.4 |
35 |
140 |
250 |
1.01 |
|
SL242-12 |
3/4 |
19.1 |
30 |
32 |
35 |
140 |
300 |
1.43 |
|
SL242-16 |
1 |
25.4 |
37 |
39 |
32 |
128 |
340 |
1.97 |
|
SL242-20 |
1-1/4 |
31.8 |
47.4 |
49.8 |
21 |
84 |
460 |
2.96 |
|
SL242-24 |
1-1/2 |
38.1 |
53.8 |
56.2 |
18.5 |
74 |
560 |
3.42 |
|
SL242-32 |
2 |
50.8 |
66.9 |
69.3 |
16.5 |
66 |
660 |
4.77 |
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Senflow Tech Co., Ltd. specializes in high-performance hydraulic and industrial hose systems, delivering globally certified solutions for industries such as construction, energy, mining, and shipbuilding — enabling smarter, safer, and more efficient fluid transfer.
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