Ammonium Nitrate
Wilfley has a long history in Ammonium Nitrate production for both fertilizer and explosive grade products.
- Safety is the #1 concern in the production of AN.
- Wilfley pumps can safely handle AN solutions at ANY temperature and concentration.
- The Wilfley dynamic seal offers safe, reliable sealing during operation.
- There is NO rubbing contact in the dynamic seal that could create heat and/or need flush water.
- The Drylock static seal provides a dependable seal when the pump is turned off.
- Additional safety features include:
- The dynamic seal (expeller) allows the seal area to be FULLY open to atmosphere.
- Little or no temperature buildup within the pump when operated correctly.
- The pump can be fully drained and flushed at shut down.
- Options include:
- Full instrumentation with thermal probes
- Special crust breaker drain valve
- Steam jacketing case for temperature control
- All stainless construction is available.
- Ensival-Moret VAP pumps are well suited for ammonium nitrate services:
- No submerged bearings
- Internal bypass
- Special grease trap to prevent ingress of grease from the bearings.
- Temperature probe for the casing.
Models engineered for this market:

