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New Keystone Series GR resilient seated butterfly valves

New Keystone Series GR resilient seated butterfly valves

We are excited to announce the release of the new Keystone Global Resilient (GR) seated butterfly valve. This valve has been designed with global specifications in mind and is in accordance to API 609 and EN 593. This new product aimed at general-purpose applications. Available in lug (GRL) and wafer (GRW) body styles, the new valves offer longer cycle life and a lower total cost-of-ownership through increased reliability and performance.
Some of the exciting features of the Series GR include:
  1. Design is in accordance with EN 593 and API 609
  2. Lay lengths in compliance with API 609 and EN 558 Series 20 
  3. A blow-out resistant shaft as a standard increases safety level
  4. Easily field replaceable seat which reduces maintenance costs 
  5. Extended body neck to allow for insulated pipe
  6. Ductile iron bodies as a standard provide a strong body to flange connection 
  7. Multiple flange drillings available to allow for global flexibility
For over 50 years Keystone has been the valve brand that customers have counted on to be a high-quality product which exceeds your expectations. Keystone has developed a strong reputation for reliability, quality and service and the introduction of the Series GR will continue this reputation.