Service life depends on temperature
Brass Press Fittings service life decreases with higher temperatures. At 20°C, they last 50+ years. At 70°C, the lifespan drops significantly. Example: heat accelerates the aging of all materials.
Service life at 70°C (158°F)
At 70°C, fittings last approximately 25-30 years. The brass retains most of its strength. However, rubber seals age faster. Brass Press Fittings still offer good durability at this temperature.
Service life at 90°C (194°F)
At 90°C, lifespan drops to 15-20 years. Rubber degrades more rapidly. The brass may begin to soften. Brass Press Fittings are still usable but with reduced life.
Service life at 110°C (230°F)
At 110°C, service life is only 5-10 years. This is near the limit for brass fittings. The metal may lose strength over time. Brass Press Fittings are not recommended for continuous operation at this temperature.
Temperature effects on brass
Heat accelerates diffusion and corrosion processes. The brass loses mechanical strength gradually. This leads to eventual failure. Brass Press Fittings experience accelerated aging with heat.
Temperature effects on rubber seals
Rubber O-rings harden and lose elasticity at high temperatures. They become brittle and crack. Seals fail before the brass does. Brass Press Fittings seals are often the limiting factor.
Example: hot water supply system
Water is heated to 65°C continuously. Brass Press Fittings have a service life of 25 years. Example: fittings operate without problems for decades.
Example: high-temperature heating system
Heating water is at 85°C. Brass Press Fittings have a 15-20 year life. Example: replacement may be needed after 15 years.
Effect of pressure at high temperatures
Higher pressure accelerates creep and deformation. The combination of heat and pressure is critical. Brass Press Fittings service life is further reduced.
Material quality influences lifespan
DZR brass is more resistant to heat. Standard brass ages faster at high temperatures. Brass Press Fittings quality affects service life.
Recommendations for high-temperature use
Use DZR brass and high-temperature seals. Avoid prolonged overheating above 90°C. Brass Press Fittings selection affects lifespan.
Final service life summary
Brass Press Fittings service life depends on temperature. At 70°C: 25-30 years. At 90°C: 15-20 years. At 110°C: 5-10 years. DZR brass offers longer life. Seals age faster than the metal. Choose quality fittings for high-temperature systems. Brass Press Fittings service life decreases with heat. Example: at 70°C, the life is adequate for most systems.