Product features
The MB-4DFO 2 Series is a NEW category of sewing machines designed by Merrow to produce ActiveSeam®. The platform (2.1, 2.2, 2.3, 2.4) are a two or three- thread premier industrial serger that sews three versions of the Merrow ActiveSeam. ActiveSeam 2 is a NEW flat overlock stitch that provides an ALTERNATIVE TO FLATLOCK, INTERLOCK AND OVERLOCK STITCHING on sewn garments.
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The NEW MB-4DFO 2.0 is the only machine to sew Merrow's ActiveSeam® for base layer activewear. It has the versatility to all three unique ActiveSeam™ stitches and can be configured for two or three thread sewing.
WHY it's better
The MB-4DFO 2.0 sews all three variations of the ActiveSeam stitch. It was specifically developed to sew on base layer garments and the ActiveSeam family of stitches are flat, comfortable, and stretchable stitches that replace traditional flatlock seams. The MB-4DFO 2.0 stitch width can be varied from 3/32" to 5/32" according to material properties and/or application requirements and is custom configured to sew specifically using customers' unique material and thread. Tension settings, eccentrics, and cutter placement are all adjusted to ensure that the customer receives a unique version of the ActiveSeam that is specific to their garment and application.
HOW it's better
The NEW MB-4DFO 2.0 utilizes Merrow's unique barrel cam architecture and curved needles to sew more precisely and consistently than other sewing machines. Because the MB-4DFO sews with two needles, it has the versatility to sew three different stitches and with either two or three threads. The MB-4DFO 2.0 is hand-built in the USA and all parts are integrally designed to ensure both stitch superiority and machine durability.
WHERE it's used
The Merrow MB-4DFO 2.0 is used in cut and sew factories the world over to sew the ActiveSeam on technical fabrics and base layer garments. Merrow's worldwide network of authorized agents are trained in all aspects MB-4DFO 2.0 service and installation.
Applications
ActiveSeam for APCU Technical Base Layer
ActiveSeam for 135g Merino
ActiveSeam for Circular Knit Garments
ActiveSeam for 195g Merino
ActiveSeam for Soft Shell
ActiveSeam for Power Stretch
ActiveSeam for Power Dry
Stitch samples

Specifications
| Operating speed | 5500 RPM |
|---|---|
| Stitch width | 3/32"-5/32" |
| Stitch range | 10-40 spi |
| Standard needle | A1DF |
| Merrow needle range | A00DF - A2DF |
| Federal stitch type | ACTIVESEAM |
| Motor required | 3450 RPM, 110/220 volt, 1/2HP |
| Number of threads | 2 -3 |
Catalogue
Merrow does not publish a separate leaflet for the MB-4DFO 2.0. Their catalogues cover the whole range and open in a new tab.
The file is published and updated by the manufacturer; it is not copied here, so nobody downloads an outdated version.
Data sheets, photos, videos and specifications: Merrow.
Tell us the operation you need to solve and we will reply with the right configuration and the lead time.


