Houghto-Safe 620EP

Safe hydraulic operation in high-risk environments

This high-quality water-containing hydraulic oil is specially developed for applications where there is a risk of fire. Think of environments involving open flames, hot surfaces or molten metals. The oil greatly reduces the risk of fire, without compromising on lubrication or reliability.

Houghto-Safe 620 E has been used worldwide for more than 50 years in heavy industries such as steel and aluminium production, die casting, glass manufacturing and plastics processing.

Applications

• Hydraulic systems with strict fire-safety requirements
• Suitable for steel, copper, brass and anodised aluminium
• Ideal for foundries and the glass and metal industries, among others

Benefits

• Drastically reduces fire risk
• Improves personnel safety
• Can help lower insurance costs
• Reliable operation at high temperatures
• Prevents cavitation and air entrainment thanks to low foaming

Specifications & properties

• ISO6743-4 Type HFC (water-glycol)
• Use as supplied, do not dilute
• Meets ISO20763 (Vickers V104 Vane Pump): <100 mg wear at 140 bar
• Corrosion resistant to ISO4404-1
• Anti-rust protection even in partially filled systems

Physical properties

• Appearance: clear red liquid
• Specific gravity @ 15.5°C: 1.08
• pH: 9.8
• Water content: 40%
• Viscosity @ 40°C: 39 cSt
• Viscosity @ 20°C: 90 cSt
• Pour point: -45 °C
• Flash point: none (ASTM D92)
• Fire point: none (ASTM D92)

Click here for the PDS and MSDS