Keystone was the pioneer of the butterfly valve and began manufacturing in 1951. Since then they have developed many butterfly valve styles designed to suit various applications and industries. This range of valve styles can be seamlessly integrated by direct mounting with the Keystone range of pneumatic/electric actuators and accessories, to create complete flow control packages.
Keystone was the pioneer of the butterfly valve and began manufacturing in 1951. Since then they have developed many butterfly valve styles designed to suit various applications and industries. This range of valve styles can be seamlessly integrated by direct mounting with the Keystone range of pneumatic/electric actuators and accessories, to create complete flow control packages.
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