Hydraulic Diaphragm
Dosing Pumps

Hydraulic-oil actuation balances pressure across the diaphragm — runs at very high pressure (up to 400 bar) for refinery and oilfield use.

Hydraulic Diaphragm Dosing Pumps

Hydraulic diaphragm dosing pumps use a hydraulic-oil reservoir between the actuating plunger and the process diaphragm. The oil pressure on the back of the diaphragm balances the process-side pressure, eliminating diaphragm stress and allowing very high discharge pressures (up to 400 bar). SMPC supplies API 675-compliant hydraulic diaphragm pumps for refinery, petrochemical, and offshore chemical injection.

Variants & Configurations

VariantDescription
API 675 Hydraulic DiaphragmAPI 675-compliant for refinery, petrochemical, and high-pressure injection.
Multi-Head Hydraulic Diaphragm2 or 3 heads on one drive — multiple chemicals from one pump unit.
High-Pressure (400 bar) VariantFor extreme-pressure injection into pressurised pipelines and wellheads.

Industries We Serve

Hydraulic Diaphragm Dosing Pumps Supplier in the Philippines

SMPC supplies hydraulic diaphragm dosing pumps in the Philippines for the industries and applications listed above. Authorized distributor of Milton Roy, Prominent, LEWA. Engineering support, sizing, commissioning, and after-sales spares from our Manila headquarters.