A cast iron diaphragm pump with a PTFE diaphragm handles aggressive chemicals. The body of this cast iron diaphragm pump resists many acids and alkalis. Unlike standard elastomers, a cast iron diaphragm pump uses Viton or EPDM for seals.
The air valve on a cast iron diaphragm pump does not require lubrication for many models. A 1‑inch cast iron diaphragm pump can move 40 gallons per minute. When deadheaded, a cast iron diaphragm pump simply stalls without damage.
The suction lift of a cast iron diaphragm pump allows drawing from drums or totes. For solvent transfer, a conductive cast iron diaphragm pump prevents static buildup. The modular design of a cast iron diaphragm pump simplifies field repairs.
Cast iron diaphragm pump housings often include threaded ports for quick hookup. In a paint plant, a cast iron diaphragm pump moves viscous resins reliably. The low shear action of a cast iron diaphragm pump preserves fluid consistency.
A cast iron diaphragm pump can run on plant compressed air at 50–100 psi. The center block of a cast iron diaphragm pump isolates the air side from the wet side. Even with fluctuating inlet pressure, a cast iron diaphragm pump maintains steady output.
Chemical engineers specify the cast iron diaphragm pump for its predictable performance. The ball checks in a cast iron diaphragm pump are available in many materials. For hazardous areas, an all‑metal cast iron diaphragm pump is grounded. This makes the cast iron diaphragm pump a staple in chemical processing plants.
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