How to classify high pressure hose specifications and models
1. Wire braiding specification range: DN5mm ～ DN102mm.
Working temperature: oil -40 ℃ ～ 100 ℃, air -30 ℃ ～ 50 ℃, water emulsion + 80 ℃ or less.
2. Specification range of steel wire wound hose: DN6mm ～ DN305mm, working temperature: -40 ℃ ～ 120 ℃
Often suitable for high pressure working conditions, the maximum working pressure can reach 70-120Mpa
3. Wire winding types:
4SP type—four layers of steel wire wound medium pressure hose.
4SH type—four layers of steel wire wound high pressure rubber hose.
Type R12—Four layers of steel wire wound high temperature and medium pressure tubing under severe conditions.
Type R13—Multi-layer steel wire wound high temperature and high pressure tubing under severe conditions.
R15 type-high temperature and ultra high pressure tubing under the harsh conditions of multi-layer wire winding
4.MT/T98-2006 "Specifications for inspection of hoses and hose assemblies for hydraulic supports"
GB / T3683-2011 "Specifications for steel wire braid reinforced hydraulic type used in oil-based or water-based fluids of rubber hoses and hose assemblies",
"Specifications for the inspection of safety signs of mining products"
5. GB / T10544-2003 "Hydraulic rubber hoses and hose assemblies with steel wire wound and reinforced outer rubber"
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