Description：
This type is dual mechanical seal with shaft sizes 25 mm to 120 mm (1.00"to 4.75"). It allows for a new, higher level of reliability and performance with the convenience of a cartridge seal. It is specifically designed to handle demanding, high-torque applications.
Operating limits：
Temperature：-55° C to 300° C (-67˚ F to 570˚ F)
Pressure：711 mm (28") Hg Vacuum to 20 bar g (300 psig) 17 bar g (247 psig) outboard
Speed：20 m/s (4000 fpm)
Combined materials：
Faces：CB, SSC
Elastomers：FKM, EPDM, FEPM, ChemLast™
Metals：1.4401 (SS316)
Springs：2.4819 (Alloy C-276)
Features：
①High-reliability sealing；
② Maximum solids handling capability；
③Superior performance for demanding applications；
④Motion tolerant for mixer applications
Recommended applications：
① high concentration black liquor；
② hard-to-seal monomers such as acrylonitrile, vinyl chloride monomer；
③ Any other potentially viscous solidifying liquids.
Background Knowledge:
The application research of mechanical seal technology is mainly concentrated in three fields:
(1)Civil product industry: In the fields of minerals, petroleum, petrochemical, chemical, light industry, pharmaceuticals, electric power, food, etc., the mechanical seal industry will face increasingly higher environmental protection requirements, long-term operation requirements of equipments , low energy consumption requirements of equipments , and high parameter requirements of equipments.The focus of future research is on how to achieve such breakthroughs in the fields of aerospace, nuclear power, wind energy, large shield machines, and pharmaceuticals that Chinese can have independent intellectual property rights for new mechanical seal products.
(2)High-tech equipment industry: The competition in the space field and the development of military equipment have put forward stricter requirements on the sealing of mechanical and electronic devices. Future research focuses on how to achieve the ideal integration, lightweight, high precision, high stability, high reliability, and micro/zero leakage characteristics of seals, especially mechanical seals.
(3) Ergonomics industry: Not only does sealing research aim at satisfying the needs of the military and civilian industries, but also improving the quality of human life is an important task in future sealing science and medicine industry. Ergonomics requires artificial instruments/organs, including targeted drug delivery therapeutic equipment, human body cleaning robots, artificial hearts, etc., not only achieve miniaturization, high precision, intelligence, high reliability and long life characteristics, but also have good sealing capability and biocompatibility.
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