Greysen · Butterfly valve manufacturer
Wafer, lugged and double flanged butterfly valves with manual, pneumatic or electric actuation for water, HVAC and industrial infrastructure worldwide.
Butterfly valve range
Compare wafer butterfly valves, lugged butterfly valves and double flanged butterfly valves, with resilient seats and manual, pneumatic or electric operators.
Butterfly Valves
Space-saving resilient seated butterfly valve for water, HVAC and general industrial pipelines.
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Butterfly Valves
Rigid flanged body design for municipal water, transmission pipelines and large-diameter applications.
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Gate Valves
Full-bore isolation valve with rubber-encapsulated wedge for clean water distribution.
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Ball Valves
Reliable quarter-turn isolation for plumbing, HVAC and light industrial service.
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Check Valves
Spring-assisted non-return valve engineered to reduce slam and water hammer.
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Water Control Valves
Automatic control valve for stable downstream pressure in water distribution networks.
View details →Why Greysen
Medium, pressure, temperature, standards and operating conditions are checked before quotation.
Material, dimensions, coating, assembly and pressure performance are verified through production.
Drawings, data sheets, inspection records and export documents support project approval.
Export packaging and logistics are coordinated for distributors, contractors and project sites.
Manufacturing & support
Greysen combines product knowledge, manufacturing coordination and responsive export service. We help customers compare valve types, confirm materials and actuation, prepare approvals and manage delivery.
About GreysenTechnical insights
August 2, 2026
Compare butterfly and ball valves for large-diameter isolation, weight, space, torque and shut-off duty.
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August 2, 2026
A complete guide to pneumatic butterfly valve actuators, accessories, fail action and commissioning.
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August 2, 2026
Design principles and selection criteria for triple-offset metal-seated butterfly valves.
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