Sicce Syncra 5.0 Syncra Silent Multifunction Pump – 5,000L/H

Description

Sicce Syncra 5.0 Syncra Silent Multifunction Pump — Aquaculture & RAS Water Circulation

The Sicce Syncra 5.0 Syncra Silent is part of Sicce’s Italian-engineered
multifunction pump range, built to combine high hydraulic performance with near-silent operation and
low energy draw. This model delivers up to 5,000 L/H flow and
380 cm of maximum head at just 105W, making it
well suited to aquaculture operators, hatchery managers and system integrators running recirculating
aquaculture systems (RAS), biofilters, protein skimmers, degassing towers or broodstock and quarantine
tanks, where pump noise and running cost compound across dozens of units. It ships with a
2.3m cable and is part of a nine-model range from 700 L/H up to 5,000 L/H, so a single,
trusted platform can be specified across an entire facility.

Why Syncra Silent Suits Aquaculture Environments

Standard aquarium pumps are rarely engineered for the duty cycles and animal-welfare requirements
of commercial aquaculture. Syncra Silent addresses this directly:

• Near-silent operation — reduces ambient noise stress on stock in hatchery and
  broodstock environments, and improves working conditions in indoor RAS facilities.
• Energy-efficient motor design — lowers running costs where pumps operate
  24 hours a day, 365 days a year, a major line item in aquaculture operating budgets.
• Wet & dry (submersible or inline) installation — the same unit can be
  positioned inside a sump or plumbed in-line, giving flexibility across different system layouts.
• Thermal protection — automatic shutdown protects the motor (and stock water
  quality) if the pump runs dry or overheats.
• Rotor self-cleaning recirculation feature (2.0–5.0 models) — reduces
  biofouling build-up around the impeller, a common maintenance issue in nutrient-rich aquaculture water.
• Vibration-reducing suction feet — tall suction cups minimise vibration
  transfer into tank walls and stands, further reducing noise in animal holding areas.

Model Range & Performance

Choosing the right Syncra Silent model comes down to two figures: maximum flow rate (Q-Max, in
litres per hour) and maximum head height (H-Max, the vertical lift the pump can achieve before flow
drops to zero). The charts below compare all nine models on both measures, with this product’s model
highlighted.

Maximum Flow Rate by Model (L/H)

Maximum Head Height by Model (cm)

Full Technical Specification Comparison

Model	Q-Max (L/H)	H-Max (cm)	Power (W)	Shaft Material
Syncra 0.5	700	120	8	AISI 316 steel (ceramic optional)
Syncra 1.0	950	150	16	AISI 316 steel (ceramic optional)
Syncra 1.5	1,350	180	23	AISI 316 steel (ceramic optional)
Syncra 2.0	2,150	200	32	5mm ceramic
Syncra 2.5	2,400	240	40	5mm ceramic
Syncra 3.0	2,700	300	45	5mm ceramic
Syncra 3.5	2,500	370	65	5mm ceramic
Syncra 4.0	3,500	370	80	5mm ceramic
Syncra 5.0 ← this model	5,000	380	105	5mm ceramic

All models: 230–240V / 50Hz. Stepped hose barbs included as
standard. Optional pre-chamber grid available to pre-screen solids up to 2mm before the impeller.

Applications in Aquaculture & Aquatic Systems

Because the range spans low-flow display applications through to high-flow filtration duty, Syncra
Silent pumps are specified across a wide range of aquaculture and aquatic system tasks, including:

• Recirculating aquaculture systems (RAS) — return and circulation pumping
  between grow-out tanks, biofilters and sumps.
• Hatchery and broodstock tanks — low-noise water movement suited to
  sensitive life stages and broodstock welfare.
• Quarantine and holding systems — reliable circulation for zoological and
  research holding tanks (public aquaria, universities, research institutions).
• Protein skimmers — consistent feed pressure for marine and reef-style
  filtration setups.
• Biological and mechanical filters — driving flow through drum filters,
  bead filters and biofilters in freshwater and marine systems.
• Process water cooling — circulating water through chillers on
  temperature-sensitive systems.
• Fountains and water features — indoor and outdoor decorative applications
  where quiet operation is essential.

Installation & Compatibility

Every Syncra Silent model can be installed wet (fully submerged) or dry (in-line, external to the
tank), giving system designers flexibility to fit the pump around existing plumbing and sump layouts.
Stepped hose tails are included as standard so the same pump accepts a range of common hose diameters
without needing separate fittings. For systems processing live feed, waste solids or particulate-heavy
water, the optional pre-chamber grid pre-screens solids up to 2mm before they reach the impeller,
reducing clogging and extending service intervals — a detail aquaculture engineers will recognise
as meaningfully different from hobbyist-grade pumps.

Energy Efficiency & Total Cost of Ownership

In any facility running pumps continuously, the purchase price is a small fraction of the total
cost over the pump’s working life — electricity draw and maintenance labour dominate. Syncra
Silent’s energy-efficient motor design is aimed squarely at that reality: lower wattage per litre of
flow than comparable legacy pump designs translates directly into lower power bills across a facility
running dozens of units 24 hours a day. The rotor self-cleaning recirculation feature on the 2.0-5.0
models further reduces maintenance time by limiting biofouling build-up around the impeller, one of
the most common causes of gradual flow-rate decline and unplanned pump removal in nutrient-rich
aquaculture water. Combined with a straightforward wet or dry mounting arrangement and stepped hose
barbs that fit standard tubing without extra adaptors, the range is built to minimise both energy
spend and technician time over its service life.

Build Quality & Materials

Sicce manufactures the Syncra Silent range in Italy to a commercial-grade standard rather than a
budget aquarium specification. The Syncra 0.5 to 1.5 models use an AISI 316 stainless steel shaft as
standard, with a ceramic shaft available as an option; the Syncra 2.0 to 5.0 models step up to a 5mm
ceramic shaft as standard, chosen for its wear resistance and corrosion resistance in continuous
saltwater and freshwater duty. Thermal protection is built into every model except the Syncra 0.5,
automatically shutting the pump down if it runs dry or overheats, which protects both the motor and
the animals relying on that water movement. Suction feet are taller than typical hobbyist pumps
specifically to reduce vibration transfer into tank walls, stands and glass — a small detail that
matters in quiet hatchery and research holding environments where vibration and noise are treated as
welfare and OH&S considerations rather than a cosmetic afterthought.

How to Choose the Right Syncra Silent Model

As a starting point for sizing:

• Syncra 0.5 – 1.5: small to medium display tanks, quarantine tanks, low-flow
  skimmer feeds and small biofilters.
• Syncra 2.0 – 3.0: mid-size RAS return pumping, drum filter feed, standard
  broodstock and grow-out circulation.
• Syncra 3.5 – 5.0: high-flow filtration loops, larger RAS systems, and
  installations needing higher head height to overcome plumbing losses or elevation.

Always size against your system’s actual dynamic head (accounting for pipe run, fittings and
elevation) rather than Q-Max alone, since flow drops as head increases across every model in the range.

Frequently Asked Questions

Can Syncra Silent pumps run continuously (24/7) in an aquaculture system?

Yes. The range is designed for continuous duty, with energy-efficient motors and thermal protection
built in to support the always-on operating pattern typical of RAS and biofiltration systems.

Are Syncra Silent pumps suitable for saltwater and marine aquaculture?

Yes. Wetted components are built for both freshwater and marine use, including protein skimmer
and marine filtration applications.

What does the optional pre-chamber grid do?

It pre-screens solids up to 2mm before water reaches the impeller, reducing the risk of clogging
or fouling in systems with particulate matter, waste solids, or fine feed.

Can this pump be mounted outside the tank (dry-mounted)?

Yes — every model supports both wet (submersible) and dry (in-line) installation.

Does a bigger model automatically mean better performance for my system?

Not necessarily. Head height requirements and actual system losses matter as much as flow rate
— an oversized pump wastes energy, while an undersized pump won’t achieve target turnover. See the
sizing guide above.

Sicce Syncra Silent — Supplied by Pure Aquatics

Pure Aquatics supplies the full Sicce Syncra Silent range to Australian aquaculture, zoological,
research and wastewater operators, with technical sizing support to match pump selection to your
system’s real-world head and flow requirements. Contact our team for model recommendations, spare
parts, and system design assistance.