All around the world, the cost of gas turbine downtime is a critical issue in power generation applications. These tough environments that operate under constant stress can cause serious issues for your hydraulic fittings, which can lead to leaks and turbine downtime. Parker’s Seal-Lok Xtreme fitting, utilizing the proven face seal fitting design along with a metal sealing ring addresses the need for reliable fuel connections in extreme-temperature applications that include:
HIgh-temperature engine compartments
LNG Storage and fueling systems
Seal-Lok Xtreme utilizes the proven face seal design to stop leaks in unforgiving industrial applications that have both extreme temperatures and vibration. When assembled, Seal-Lok Extreme’s stainless steel metal sealing ring is compressed against the flat face of the connecting flanged tube or hose fitting. Resistant to overtightening, every turn of the nut ensures a solid leak-free seal for your critical application. This tried and true design also reduces loosening caused by vibration, and the dry film lubrication on the nuts prevents galling.
Seal-Lok Xtreme’s metal seal extends the temperature capabilities of the industrial standard O-ring face seal design to an impressive range of -328°F (-200°C) to 1200°F (650°C). It also ends the challenges of chemical compatibility issues commonly found with elastomeric O-rings. With its zero clearance assembly and unlimited reusability, Seal-Lok Xtreme is an ideal solution for power generation and renewable energy applications.
Unparalleled vibration resistance
Eliminates over-tightening damage
Quick zero clearance assembly
Reduced galling potential with dry film lubrication on all nuts
Extreme temperature seal
Reduced assembly time required
Working pressures up to 5,850 psi
Seal retention prevents fall-out during assembly
Available in tube and hose sizes 1/2" to 2" (6mm to 50mm) and pipe sizes up to 2" NPS
SAE/AISI 316/316L stainless steel materials for corrosion resistance
Meets requirements of ASME B31.1 and B31.3
Extreme temperatures and chemical compatibility concerns can pose challenges to elastomeric sealing in extreme temperature applications such as dual fuel gas turbines. Parker Seal-Lok Xtreme offers an alternative to the sealing capability of O-ring face seal SAE J1453 connections in these critical applications.
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Article contributed by Nathan Green, engineer at Parker Tube Fittings Division