Selmech Supplies silage additive applicators

Selmech have been manufacturing and supplying liquid and granular additive applicators worldwide for many years. We supply applicators to many of the largest manufacturers of additives in the UK, Europe. As well as direct to farmers and contractors. We manufacture a wide range of applicators which are suitable for use with Balers, Forage Harvesters and Forage wagons. We also have applicators for crimping and moist grain application. For retail and wholesale enquiries, please feel free to contact us via telephone or email and we’ll be happy to advise further.


Let us help you choose the right applicator for you.

Select what you want to use it with.

baler with additive applicator mounted on it
Round & Square Balers

A range of applicator for round and square balers that can be used to dispenses liquid or granular preservative.

Potinger forage wagon with selmech additive tank kit mounted
Forage Wagons

Tank kits for front mounting or underslung with digital or basic controllers with output ranges to suit the size of your wagon.

Self propelled forage harvester picking up grass silage
Forage Harvesters

From ultra low to high volume liquid applicators and powder applicators supplied with digital or basic control box.

Roller mill crimping machine
Roller Mills & Augers

Applicators for the applying propcorn or non corrosive type additives to grain being processed by roller mills augers or bagers.

additive tank kit mounted on pit compactor
Other Applications

Applicators for other applications including factory set-ups, seed dressing, TMR dosing, poultry feed preservatives.

Select by applicator.

Tank kit for balers and forage wagons.
Complete applicator kits for balers or forage wagons with a choice of 250, 175 or 125 litre tank mounted on a sturdy multi-position bracket and supplied with our own digital control box. These kits can be supplied with output options (open flow) of 0.1 – 1, 0.5 - 5 litres or 1 - 10 litres per minute.
We have a bespoke tank and bracket design for easy mounting on most makes and models of balers and forage wagons. All kits are supplied with 2 nozzle holders, (more can be added if preferred) a selection of jet sizes, 2m power cable and 10 meters of durable braided tubing.
A thru beam crop sensor option is available to pause and resume the pump automatically. Underslung tanks for self loading forage wagons.
For self-loading forage wagons where it is not possible to mount a tank in a safe accessible place, particularly those with moving front boards. We have designed a 400 litre underslung tank manufactured to be mounted at the rear of the wagon, which enables the user to fill it more safely from ground level. There is also a low-level sensor that will alert the operator, via the control box, when the tank is nearly empty and needs to be re filled.

Pump modules for harvesters, balers and forage wagons.
The Dflow Pump Module is supplied without a tank, for situations where our standard tank kits are not an option. The Dflow Module is designed to be used in conjunction with a tank provided by the end user, whether this is an on-board tank on a forage harvester, a 200L barrel, IBC or any other tank which is suitable. We keep in stock 400 litre front mounted or underslung tanks to be used with the Dflow module. We also have access a huge range of different shapes and sizes of tank if these are not suitable.
The pump module can be supplied with different output options of: - 0.5 - 5 litres or 1 - 10 litres per minute (open flow). There is also have the option of Selmech’s thru-beam crop detectors to turn the pump on and off automatically. All kits are supplied with 2 nozzle holders, (more can be added if preferred) a selection of jet sizes, 2m power cable and 10 meters of durable braided tubing.
A thru beam crop sensor option is available to pause and resume the pump automatically.

Ultra Low volume applicator for trailed and self-propelled harvesters.
Our Ultra-low additive applicator has been designed with our own innovative flow measurement system that has an open flow pump system removing the need for a filter or in-line flow meter. Meaning blockages are almost entirely eliminated and maintenance is minimal..
For use with inoculants which are applied at ultra low volumes, the Selmech ULV applicator provides a trouble free system that is easy to set up and use with an output range of 20ml to 250ml per minute.

Powdermaster dry silage preservative applicator.
The Powdermaster granular applicator features a rotor delivery system and fully variable in-cab speed controls and is purpose built for applying powder/granular additives to a range of home-grown forages. The Powdermaster can be used with balers, forage wagons and harvesters, as well as in static situations.
Dflow Powdermaster dry silage preservative applicator.
The Dflow Powdermaster can be dispenses additives more precisely. The weight of one litre of the additive being used is entered into the Dflow control box, this information allows for ultra precise delivery. The Dflow Powdermaster is available with 3 different rotor options to allow for accurate application of additive in any circumstances.
There is also a blower attachment option that can be supplied where gravity feed is not possible. This can be easily fitted to the Powdermaster applicator in place of the tubes.

Crimpmaster stem pumps for acid-based grain treatment on roller mill and auger.
The Crimpmaster liquid applicators is a robust and reliable stem pump designed to fit in a 200 litre barrel or IBC predominantly for use with acid-based additives such as Propcorn. The pump is provided with a controlled flowmeter and speed control box with 3 drive settings which combine to allow for accurate application.
There is a range of pumps with output options available between 0.5- 15 litres per minute (open flow).
Digitally controlled applicator for acid-based grain treatment on augers and roller mills.
The Dflow Crimpmaster uses the same stem pump as the standard Crimpmaster applicator, however it replaces the speed control box and controlled flowmeter with a flow sensor and digital control box to ensure precise dosing of additives with no calibration needed. This means the application rate of the preservative will be maintained accurately and the user will be alerted instantly to any drop in flow.
The Digital control box is easy to set up and use and has an output range of 0.50 to 10 litres per minute (open flow).

Flowmaster kit Flowmaster stem pumps for harvesters, balers and forage wagons
Manufactured for over 35 years The Flowmaster liquid applicators is a robust and reliable stem pump designed to fit in a 200 litre barrel. Used for applying liquid preservative, especially acids, to forage crops. Easy to use and maintain with output options from 0.5 - 15 litres per minute
Whilst the Flowmaster is designed to fit in a 200 litre barrel, but can also be used in IBCs.

SDP basic applicator for harvesters balers and forage wagons.
SDP basic applicator for harvesters, balers and forage wagons. These are non-digital versions of our applicators which are available as complete tank kits, modules or as a kit of parts for self-assembly. All of these kits are supplied with Selmech’s own variable speed controller, enabling the operator to set the output of the high-pressure, self-priming diaphragm pump without leaving the cab. These kits can deliver between 0.5 up - 15 litres per minute (open flow), depending on model.

Accessories, spare parts, service and repair.
elmech manufacture a range of accessories to help you get the best out of your applicator, including Flowmeters, anti-siphon valves, options to automatically pause the applicator and additional spray nozzles.
Because we manufacture all of the applicators we sell in house we almost always have a full range of spare parts available even for some of our older applicators. This also gives us a deep understanding of the products and how to get the best from them, so we can offer expert technical support and offer in house servicing and repair with a very fast turnaround.

Ecosyl/volac spare parts.
In addition to our own branded products, Selmech manufacture some of the Eco applicators Ecosyl, these include the Ecosyler, Ecoflow, Ecodry and Miniflow applicators Selmech are able to offer these products and keep stock of a range of spare parts.