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Technical Support Equipment integration Startup Support Equipment Diagnostics Overhaul Service Training Service

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50 Series Actuator Soft Good Kits Pneumatic Valve Positioners Valve Actuators Rotary Control Valves Safety Valves Safety Relief Valves Pilot-Operated Safety Relief Valves Digital Valve Positioners Emergency Shutdown Valves Severe Service Valves Valve Instrumentation Level Transmitters & Controllers Regulators Mooney Regulators Ball Valves Pneumatic Actuators Pumps Plug Valves Butterfly Valves Globe Valves Check Valves Products ISO ANSI EN pumps Slurry pumps Nuclear safety pumps Sewage pumps API 610 and ISO 13709 pumps Axially-split one and two stage pumps Axially-split multi-stage pumps Radially-split one and two stage pumps #37/#38 Actuator Soft Goods Kits 87/88 Actuator Spare Parts Kit Globe Control Valves Control Valves Slurry Control Butterfly Valves Resilient Seated Butterfly Valves High Preformance Butterfly Valves LPG Valves Controllers and Instruments Direct Spring Pressure Relief Valves Flame Arrestors Pressure Vacuum Relief Valves Pressure Relief Valves

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Sulzer Consolidated Mooney Becker Masoneilan Anderson Greenwood Crosby Fisher Keystone Argus Automax Byron Jackson Durco Edward Flowserve IDP INNOMAG Limitorque McCANNA Nordstrom Pac-Seal SIHI Worcester Worthington Kammer MOGAS Valtek

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Check Valves

Home/Brand directory / EMERSON / Keystone

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Check Valves

An Emerson butterfly valve brand known for reliable, long-life process isolation and control in demanding applications.

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All Brands Sulzer Sulzer Baker Hughes Consolidated Mooney Becker Masoneilan EMERSON Anderson Greenwood Crosby Fisher Keystone Flowserve Argus Automax Byron Jackson Durco Edward Flowserve IDP INNOMAG Limitorque McCANNA Nordstrom Pac-Seal SIHI Worcester Worthington Kammer MOGAS Valtek

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Check Valves products and services

An Emerson butterfly valve brand known for reliable, long-life process isolation and control in demanding applications.

View related products

3 matching products3 scope entries

MODEL

Keystone Figure 86 Check Valve

ModelLearn more

MODEL

Keystone Model MB Check Valve

ModelLearn more

MODEL

Keystone Figure 85 Check Valve

ModelLearn more

RELATED PRODUCTS

3 matching products

Check Valves / Keystone

Keystone Figure 86 Check Valve

Keystone11

Spring-loaded wafer swing construction, high flow capacity, prevents backflow for pump systems.

Check Valves / Keystone

Keystone Model MB Check Valve

Keystone12

Keystone MB dual plate spring loaded wafer check valve, for gas & liquid pipeline protection.

Check Valves / Keystone

Keystone Figure 85 Check Valve

Keystone10

Compact wafer swing design, short face-to-face length for all types of gas and liquid service.