TOP 3100 – LSR Dosing System for Liquid Silicone

TOP 3100 – Cost-Effective LSR Dosing Technology without compromise

With the TOP 3100, ELMET introduces a cost-effective LSR dosing system for the precise processing of liquid silicone rubber (LSR). The system focuses on the essentials without compromising on quality, process reliability, or durability.

Designed for cost-conscious users and those new to LSR, the TOP 3100 combines proven dosing technology with the highest precision and robust construction – all at an extremely attractive price-performance ratio.

Thanks to its intuitive operation, compact design, and reliable functionality, the dosing system enables precise dosing and mixing of liquid silicone rubber and additives. With its capabilities, the TOP 3100 covers approximately 90% of all common LSR applications.

ELMET thus offers a cost-effective entry-level solution for industrial liquid silicone injection molding – designed for companies that prioritize efficiency, process stability, and long-term investment security.

30 years of ELMET – 30-month warranty

ELMET dosing systems purchased in the anniversary year 2026 are automatically covered by a 30-month warranty.
Valid for direct purchases from ELMET. Worldwide, except Asia. The general warranty conditions for ELMET dosing systems apply.

TOP 3100 – LSR Dosing Technology at the Highest Level

High performance

Delivery rate up to 5 liters/minute / 1.32 gallon/minute*
Max. pump pressure: 200 bar

Stable & precise

Stable pressure curve during dosing thanks to material pressure limiter
High-precision volume counters ensure exact mixing ratios and stellar process stability. 15.6 µl/Imp (64,000 Imp/L)

Cost effectiveness

Material utilization per container of up to 99.6 %
High-quality components = service life of 20+ years
Low maintenance costs

Energy efficiency

Minimal idling losses – only 50 watts – thanks to a pneumatic pressure accumulator
Maximum average power consumption of 300 watts

Versatile in use

Viscosity range:
0.001 to 3000 Pas** (> 16,000 Pas***)

Safety

Highest safety standards in the market (EN ISO 13849-1)
Air detection
UL and CE-compliant

User friendly

Communication protocol OPC UA (optional)
Intuitive and easy to operate
Guided drum change

* measured with silicone oil at ẏ=10 1/s η = 2.7 Pas (A+B components) | ** ẏ=10 1/s | *** ẏ=0.2 1/s

Highest Safety Standards for LSR Dosing

Safety is ELMET's top priority.
With our dosing systems, we are not only setting new standards in terms of energy efficiency, performance, and process stability, but also in the area of machine safety. Our systems meet the highest standards and have been successfully tested and inspected by TÜV SÜD.
This means we can offer you the demonstrably safest dosing system in the market.

Dimensions L/W/H (mm):

1260 x 1213 x 1900 (2672)

Drum sizes:

200/ 20 liters

Usable materials [Pas]:

Pump unit M: 0.001 to 3000

Delivery rate per component @ 2.7 Pas:

Pump unit M: > 2350 cm³ / min

Maximum delivery pressure:

200 bar / 2900 psi

Power supply:

100 - 264 VAC, 4 A

Air supply:

6 bar – 1000 NL / min (1/2“)

Additive lines:

1 standard

Mixing elements:

1 standard (optionally expandable)

Volume counters:

Yes

Certifications:

CE, UL, RoHS

Eco-Mix (simultaneous drum emptying):

Standard

Process documentation (USB):

Standard

Optional Features – TOP 3100

Fix-Mix

freely selectable mixing ratio

Barcode drum detection

Drum lifting device

Wheels

Customized paint work

Process documentation

OPC UA

Remote monitoring via VNC

Premium Connectivity

Simplex

1 dosing system on 2 injection molding machines

Tandem

2 dosing systems in alternating operation

SMARTsupport Hub

Maximum system availability through smart remote support

Save energy & reduce CO₂ emissions

Forget the myth that pneumatic dosing systems always consume more energy than electric ones. ELMET technology proves the opposite – and sets new standards:
Up to 50% less energy consumption compared to purely electrically operated pumps – that means:

Lower CO₂ emissions
Lower operating costs
Greater sustainability

LEARN MORE

Dosing equipment

Additive lines

Additives: flexible and precise

Processing unit

40D12 for the perfect mix

SMARTsupport Hub

Immediate remote assistance

Would you like to learn more about our dosing systems?

Our experts will assist you in making your selection and show you the optimal solution for efficiency and precision.

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