STEEL WIRE SPIRAL HYDRAULIC HOSE EN856 4SH specifications
STRUCTURE: THE HOSE CONSISTS OF AN INNER TUBE, FOUR LAYERS OF STEEL WIRE, AND AN OUTER COVER.
APPLICATION: SUITABLE FOR CONVEYING PETROLEUM-BASED HYDRAULIC FLUIDS SUCH AS HYDRAULIC OIL, LUBRICATING OIL, AND EMULSIONS, ETC. NOT SUITABLE FOR PHOSPHATE ESTER-BASED FLUIDS.
WORKING TEMPERATURE: -40℃ TO +100℃; FOR WATER MEDIUM: 0℃ TO +70℃.
![]() |
| PRODUCT NAME | NOMINAL BORE | SPECIFICATION | INSIDE DIAMETER (ID)mm | OUTER DIAMETER OF REINFORCEMENT LAYER (W.D)mm | OUTSIDE DIAMETER (OD)mm | MAXIMUM WORKING PRESSURE W.P | MINIMUM BURST PRESSURE B.P | MINIMUM BEND RADIUS Min.B.R | REFERENCE WEIGHT W.T | |||
| mm | inch | min | max | min | max | min | max | Mpa | Mpa | mm | Kg/m | |
| 4SH-12-19 | 19 | 3/4“ | 18.6 | 19.8 | 27.6 | 29.2 | 31.4 | 33 | 42.0 | 168.0 | 280 | 1.64 |
| 4SH-16-25 | 25 | 1” | 25.0 | 26.4 | 34.4 | 36.0 | 37.5 | 39.9 | 38.0 | 152.0 | 340 | 2.12 |
| 4SH-20-31.5 | 32 | 1-1/4“ | 31.4 | 33.0 | 40.9 | 42.9 | 43.9 | 47.1 | 32.5 | 130.0 | 460 | 2.77 |
| 4SH-20-31.5T | 32 | 1-1/4“ | 31.4 | 33.0 | 40.9 | 42.9 | 43.9 | 47.1 | 35.0 | 140.0 | 460 | 2.77 |
| 4SH-24-38 | 38 | 1-1/2” | 37.7 | 39.3 | 47.8 | 49.8 | 51.9 | 55.1 | 29.0 | 116.0 | 560 | 3.77 |
| 4SH-32-51 | 51 | 2“ | 50.4 | 52 | 62.2 | 64.2 | 66.5 | 69.7 | 25.0 | 100.0 | 700 | 5.06 |
![]() |
![]() |
![]() |
![]() |
Get a Free Quote
Leave your contact information, and our technical consultant will provide a detailed solution and quote within 1 hour.
Why Choose YIBO
Factory-direct hydraulic & industrial hose — small trial orders and large volume both welcome.
Free Samples
Test the quality before you place a bulk order.
MOQ from 100 m
Start small to test the market — large volume orders are equally welcome.
OEM & Custom Orders
Your brand, your specifications, your packaging — made to order.
ISO 9001 + 70+ Patents
In-house laboratory and full testing equipment under an ISO 9001 quality system.










