KEYSTONE GR NSF food grade certified butterfly valve from the United States

KEYSTONE GR NSF food grade certified butterfly valve from the United States

Can be widely used in process pipelines for tap water, direct drinking water, beer, and beverages

KEYSTONE, NSF certified butterfly valve, food grade NSF certified butterfly valve

Starting from December 2014, KEYSTANE F611 officially discontinued the new GRW 100% original replacement. Please confirm the flange standard of the original product,

KEYSTONE GRW has better performance, smaller measured virtual position, significantly improved physical rigidity, longer lifespan, and more diverse materials

KEYSTONE GR NSF food grade certified butterfly valve from the United States

2015 New Product Launch KEYSTANE GR Elastic Rubber lined Butterfly Valve KEYSTANE GR Double Clamp Butterfly Valve








Keystone butterfly valve main model GRW GRF DN80 DN100 DN125 DN150 DN200

The F611/F612 series is a universal elastic seat butterfly valve, mainly used in working conditions that require bubble level sealing. It has a simple structure and is easy to maintain.
*KEYSTANE standard top flange
*One piece valve body
*Extended valve neck, suitable for pipeline insulation
*The valve seat can be replaced
*Thick valve plate design, mainly used for switches
*Connection method: clamp, support ear
*Size: DN40-900mm
*Temperature: -40 to 120 degrees Celsius
*Pressure: 1.6MPa maximum
*Connection standards: DIN, ANSI
*Valve body: cast iron, ductile iron, carbon steel
*Valve plate: ductile iron, aluminum bronze, stainless steel
*Valve stem: stainless steel
*Valve seat: EPDM, NBR

， KEYSTANE GR Butterfly Valve Chinese Manual High Definition Real Photo