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API 610 BB1 MOL pump
- final skid assembly at Tril-
lium’s Italian facilities (La
Spezia)

MW motor, these high-power pumps inject aquifer xibility with minimal CAPEX cost for the customer.
water into offshore wells. Due to their outdoor installation, the VS7 booster
units were equipped with a special insulation mo-
Trillium has extensive nitoring device to check performance remotely and
experience in pipeline guarantee proper operation across an extreme
temperature range, varying from -60°C in the win-
“applications and can cater to ter to +40°C in the summer.
any “project requirements In order to validate their efficiency, the comple-
te pump packages were tested at our La Spezia
test center. This involved using the job’s motors,
All pump units underwent complete unit testing to VFDs, sealing systems, lubrication units, hydrau-
confirm they met the severe project requirements, lic couplings, and instrumentation. The end user’s
performed in-house at the state-of-the-art Nova personnel also received extensive training on the
Milanese test room, purpose-built in 2016 to meet specific maintenance needs for this equipment to
customers’ needs. The successful execution of ensure optimal long-term operation.
this project was a result of Trillium’s global design
and manufacturing teams collaborating to source
and manufacture globally while providing customer
support locally. Efficient Low Flow High
Heads Solutions

Complex High-Power Oil Low flow high head applications are some of the
most challenging applications, partly due to the
Pipeline Pump Solutions vast array of technical options available, all with
their own strengths and weaknesses. For especial-
With its extensive experience in pipeline applica- ly low flow and high head (sub 160m³/h and more
tions, Trillium can cater to any specific project re- than 1,000m), Trillium offers a unique solution with
quirements, no matter how complex. Recently a optimal performance with their Roto-Jet® pitot
customer had an especially challenging applica- tube pumps, which can provide higher efficiency,
tion, which required a series of BB1 main oil line more operational flexibility, and lower vibrations
(MOL) pumps and corresponding VS7 booster than alternatives.
pumps to cover 5,000km of pipeline subject to ex- Here is an example of when the Roto-Jet® techno-
treme weather conditions. The MOL units not only logy comes into its own: an end user had four con-
had to maximize uptime and efficiency due to the ventional OH6 pump units with an inducer installed
remote nature of the installation but also minimi- at their refinery for caustic transfer and wash water
zed energy costs, given that their power exceeded services. The pumps experienced persistent high
10 MW. In addition, these units were designed to vibration during operation and underwent many
accommodate three drastically different flow condi- failures – some of them catastrophic – mainly rela-
tions dependent on the fluid pumped. This required ted to gearbox and seal issues. This came to cost
a solution that offered full interchangeability with approximately 500,000 USD to the end user and
three rotor configurations, allowing maximum fle- led them to reevaluate their pump selections. With

Impiantistica Italiana - Luglio-Agosto 2023 39