Type L990.31 is WIKA`s version of a large threaded seal with a plastic body.The diaphragm is clamped between the plastic upper and lower housing.This seal is made for applications where typical metallic components cannot withstand the process media(acids,chlorines,etc.) This seal is not designed for vacuum applications.
WIKA`s Type L990.22 Tri- Clamp sanitary process connection is designed to mate with an equal size fitting.This seal is designed to facilitate ease of assembly and disassembly from its mating fitting.This seal and mating fitting are held together via a clamp to minimize impurities enterieng the process during the removal and reinstallation of the seal.This seal meets the criteria set by "3A" standards.This seal is designed for applications in the pharmaceutical and food & beverage industries.
WIKA`s Type L990.10 standard threaded seal configuration is constructed of an upper and lower housing with a welded diaphragm.The design of this multi- purpose seal enable it to be used on variety of applications.
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