Ductile iron combines useful strength, castability and cost efficiency for many water and HVAC butterfly valves. Long service life depends on coating, trim and installation details.
Body construction
Confirm pressure class, body style, flange drilling and face-to-face standard.
Corrosion protection
Surface preparation, epoxy thickness and holiday testing may be specified for potable or buried service.
Wetted materials
Disc coating or stainless steel, stem grade and elastomer compatibility must match the water quality.
Quality checks
Review casting condition, dimensions, coating, operation and shell and seat testing.
Information to include with an enquiry
Provide nominal size, pressure rating, medium, temperature, connection standard, materials, operating method, required testing and project documentation. Greysen will review the duty and confirm the final configuration in the approved data sheet.
