1625G
High-temperature Graphite Braided Packings
John Crane styles 1625G are the ultimate in packing, offering the ability to perform in both high temperatures and a full range of chemical services. These packings meet the demands of today’s high-performance requirements. Constructed of the highest quality, continuous filament graphite fibers, provide superior sealability and heat dissipation with minimal flush.
Highly lubricous, these densely braided products offer reduced process contamination and ease of start-up, installation and adjustments. These styles feature dimensional stability, which helps to ensure even gland load distribution and promote longer packing life.
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Features
- California Residents: PROPOSITION 65 WARNING
- 1625G — Graphite fiber with a light PTFE dispersion coating fills the void and assists in reducing friction associated with the start-up and break-in period.
- Applications — Static or dynamic/chemicals, solvents, corrosives, water, steam, ammonia, air, oils, paper stock, liquor, condensate, boiler feed water.
- Standard sizes — Styles 1625G and 1635G are available in standard cross-section sizes from 1/8" to 1" in 1/16" increments.
- As John Crane spools, these standard sizes are available for immediate shipment. Metric and larger sizes are available upon request. Packing can be die-formed to exact dimensions for ease of installation and enhanced performance.
Parameters
- Temperature Limits
- All-in Atmosphere up to -300°F to 850°F/-185°C to 455°C
All-in Steam 1200°F/650°C - Pressure Limits
- 1625G pump: 500 psi(g)/34 bar(g)
1625G valve: 2,500 psi(g)/170 bar(g) - Speed Limits
- 1625G: 4000fpm/20m/s
- pH Range
- 0 to 14
Recommended Applications
- Process pumps
- Mixer and agitators
- Other rotating equipment
- Valves