Material & construction
Pneumatic drive operates a reciprocating liquid metering section; air and liquid pressure ratios are model-dependent.
WOG-355 / Chemical injection accessories
Pneumatic Chemical Metering Pump
Deliver controlled low-volume chemical injection using a pneumatic drive.
| Plunger reference sizes | 3/16, 1/4, 3/8, 1/2 in (4.76, 6.35, 9.53, 12.70 mm) |
|---|---|
| Fluid connection | 1/4 in FNPT (DN 8 nominal), model dependent |
| Performance selection | Match US gal/day (L/day) at injection pressure in psi (bar); use the selected pump curve |
| Capacity control | Adjustable stroke length / stroke rate, according to catalogue configuration |
Industry reference selections; ordered specification requires supplier confirmation.
View catalogue page 79 ↗Options & acceptance
Select diaphragm/packing, adjustment range, connection, mounting and material compatibility.
Application & RFQ details
RFQ: US gal/day (L/day) at injection psi (bar), chemical/viscosity, suction head and drive-air pressure. State instrument air or approved gas drive and site requirements explicitly.
Standards & documents
Pressure equipment/piping review as applicable; API 675 only if the ordered metering pump qualifies.
Packing
Individual braced cartons/crates; drain and seal wetted passages; ship dampeners depressurized.
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