Kalrez®
Chemical Process Industry
Conditions
Kalrez® seals were used to process hydrochloric acid, nitric acid, sodium hydroxide and sodium hypochlorite at 98°C.
Previous Seal Material
Most elastomers lasted only three days. Although more labour-intensive, a PTFE wedge and packing were considered.
Results
Kalrez® seals lasted for 12 months and could be replaced during the annual shutdown, saving an estimated $30,000 per year.
Oil and Gas
Conditions
Halliburton Energy Services utilised Kalrez® seals in the production of oil and gas under sour conditions at 121°C and 6,000 psi.
Previous Seal Material
The company had not previously used seals in its production process.
Results
Kalrez® seals have provided reliable service for over 21 years.
Pharmaceutical/Cosmetics/Food
Conditions
Kalrez® seals were used to handle diphyl, methanol and anil at 250°C in a pharmaceutical environment.
Previous Seal Material
The high temperature of the agitator used in a particular application led to the degradation of FKM O-rings.
Results
Kalrez® parts lasted six months, reducing the emissions of flammable solvents into the atmosphere. By switching to Kalrez®, the company also enjoyed increased production and reduced costs.
Semiconductor
Conditions
Kalrez® O-rings were employed to handle aggressive solvents at 40°C in a semiconductor environment.
Previous Seal Material
Fluoroelastomer (FKM) O-rings lasted one day.
Results
Kalrez® O-rings lasted for six months, enabling the company to save an estimated $109,000 annually.