Valve Guardian 1640 Valve Guardian Core is a high temperature, lithiumbased body fill grease. 1640 contains extreme pressure additives, corrosion inhibitors, and moly disulfide which will provide lubrication and protection to valve components during storage and operation. Valve Guardian 1640 can be used on frac valves, gate valves, plug valves, balls valves, valve assembly, reconditioning and storage. Valve Guardian 1640 Valve Guardian
Core will outperform common graphite greases, providing superior lubrication and long-lasting valve protection.
Valve Guardian 1640 Valve Guardian Core is primarily a valve body grease. Additional applications for this versatile product include lubricant for gaskets, couplings, water well casing, nipples, packings, gears, pipe threads, light-duty drilling, high temperature bearings, drive chains, bull plugs, cams, pipe storage, and industrial machine parts.
BENEFITS:
▪ Adheres to metal surfaces
▪ Water-resistant
▪ Contains moly disulfide
▪ Economical
▪ Corrosion resistant
▪ EP properties
TYPICAL OBSERVATIONS:
Color:Black
Texture:Smooth
NLGI Grade:1
Density, lb/gal @ 77°F (25°C):7.05
Specific Gravity, @ 77°F (25°C):0.844
Dropping Point, ASTM D-2265:>350°F (>176°C)
Penetration, ASTM D-217 Worked @ 77°F (25°C):305–315
Flash Point, ASTM D-92:>450°F (>232°C)
Temperature Range:-10°F to >350°F(-23°C to 176°C)
4-Ball EP Weld Load, Kgf ASTM 2596:200 Pass
200 Weld
Shelf Life (unopened container):Four Years