Newlong Industrial NP-7a Portable Bag Closer



Easy and trouble free Portable sewing machine. Always in stock for direct delivery. This machine has the highest Quality and the best price we can offer on the market. Economic Portable Bag Closer Machine, Single Needle, One Thread  Chain Stitch, Half- Automatic Thread Cutter, with Simple Mecanism for easy Maintenance. Recommended for Materials such as Polypropylene, Multi-Wall Paper & Jute

  • The most robust portable the market
  • Best priced Quality Portable stitcher on the market
  • Japanese Quality in an original design
  • High quality parts and Japanese top brands inside like the Omron Switch (C02001) and Bando Japan belt, Metal Pump (internals)


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  • Need Parts for the Newlong NP-7a?  Click here for the Parts database for all  Newlong Machines
  • Operation instructions? Click here
  • Maintenance tips? Click here
  • Lost the manual? Click here
  • Instruction video’s? Click here for an overview of all available video’s
  • Omron Japan Microswitch installed
    The Newlong Np-7a is made with original parts like the Omron Microswitch (C02001 or Z-15GK655-B)
Single thread Newlong Np-7aPortable Sewing Machine


With the Newlong NP-7a Portable bag closer you can make a Plain Sew Top Closure a Fold over Sewn Top Closure and a Stitch Through Top Closure in combination with an optional Crepe Tape Extension. There are different versions of the Newlong NP-7a:

  • Standard plain sew for closing all types of bags (Jute, PP, Hessian, Plastic (best from 150 micron and up)
  • Running on battery power via powered low voltage belt
  • For net begs (extra big presser foot)
  • Vertical for connecting geo textiles (NP7H)
  • Air powered for ATEX envoriments.
  • With crepe tape attachement. 50mm (standard) or 70 mm (special order)



How to open a bag that is closed with a Newlong Np-7A without tools and without damaging the bag.  Watch our video.

  • Integrated  continues Half Automatic thread cutter
  • Maximum Speed: 1750 rpm 8,5 mm Stitch Length
  • Single thread Chain Stitch (Type 101)
  • Sew Jute, PP, Cotton, Paper, Multiwall Paper bags
  • Oil Pump: By hand
  • Sew up to 8 mm thick bags or material
  • Can also be used for connecting Geo Textiles (2-Thread version: Newlong NP-3II)
  • Crepe Tape extension Available.
  • Air Motor (Pneumatic ATEX proof) Available as an option
  • Weight: 6 Kilogram
Technical Specifications
Model NP-7A NP-7B NP-7H NP-7R
Max. Speed * 1,750rpm 1,650rpm 1,750rpm 1,000rpm
Seam Single thread chain stitch (Type 101)
Stitch Width 8.5mm
Bag Material Paper・Jute・PP
Thickness Jute bag 8mm
Cutter Half automatic thread cutter
Needle DN×1 #25
Oiling by hand ・ Oil pump
Oil Machine oil #10
weight 7.0kg
Feature Overseas specification Domestic specification Width type handle Air motor
Related Machines crepe tape cutter (Special order)

※Maximum speed depending on sewing material and operation Brand: Newlong Industrial Co., Ltd. Made in Japan        

Above: Air operated (Pneumatic) Newlong NP-7a Portable Sewing Machine (ATEX proof) running on an air motor  

Power inverter for use with Newlong Portable Sewing Machines

This 150 Watt power inverter is selected to flawlessly work with our Newlong Industrial  NP-7a Portable Bag Sewing Machine.

On the standard 12v/40Ahbattery from a car you can operate your sewingmachine up to 5 hours.
The power inverter has a stabalised 230v Exit and is protected against:
  • exhaustion
  • shortcutting
  • overheating
  • Battery low indicator
The 230v exit current is a sinus shape. This is important to connect for the correct working of your electro motors.

Cucitrice per sacchi

Popular parts for Newlong NP-7a
Newlong NP-7A Hanger Spring Balancer
Newlong NP-7A Hanger 245271
Newlong NP-7A Maintenance Kit
Newlong NP-7A Moving Knife 246061
Newlong NP-7A Stationary knife 246071
Newlong NP-7A Knife screws 1/8s4003 (10)
Newlong NP-7A Knife Tension Spring 246061
Newlong NP-7A Knife Bracket 246021
Newlong NP-7A Needle DNx1 #25
Newlong NP-7A Motor C01029 (240 volt)
Newlong NP-7A Motor Mount 241075
Newlong NP-7A Motor Mount Screws 15/64s28004 (4)
Newlong NP-7A Motor Mount Side Screws 4B5x12 (4)
Newlong NP-7A Motor Brushes C08008 (2)
Newlong NP-7A Motor Pulley 241083
Newlong NP-7A Timing Belt F01001
Newlong NP-7A Top Cover 245014
Newlong NP-7A  Needle Bar with Nut 242121A
Newlong NP-7A Feed Dog 244111
Newlong NP-7A Presser foot 242231A
Newlong NP-7A Looper 243102
Newlong NP-7A Looper Rocker 243092
Newlong NP-7A Looper Cover 245222
Newlong NP-7A Handle Assembly 241024A
Newlong NP-7A Handle  241024
Newlong NP-7A Micro Switch c02001
Newlong NP-7A  Needle Bar Guard 245033
Newlong NP-7A  Electric Cabtyer Cord c04003
Newlong NP-7A Oiler D03003
Newlong NP-7A Oiler Cap 255351
Newlong NP-7A Oil Tubes
Newlong  Machine Oil
Newlong NP-7A 245081A
Newlong NP-7A Thread Eyelet
Newlong NP-7A Needle Clamp Nut
Newlong NP-7A Thread Stand 245042
Newlong NP-7A Thread Cone Clamping Nut
Newlong NP-7A Thread Stand (Complete)
Newlong NP-7A Throat PLate 244122
Newlong NP-7A Screws 9/64s40065
Newlong NP-7A Bushing 242212
Newlong NP-7A Presser foot Lifter
Newlong NP-7A Feed dog screw 3/16s32034
Newlong NP-7A Hook and screws 241151 and 1/8s40006
Newlong NP-7A  Rod End 6A04001
Newlong NP-7A screw 15/64s28028
Newlong NP-7A 9/64s40005 (10)
Newlong NP-7A Knife bracket Extenstion 246011
Newlong NP-7a Newlong 246042 bushing
Newlong NP-7a Thread Rod 245052
Newlong NP-7a 3/16S32031
Newlong NP-7A 9/64S40502




Popular parts for the Newlong Industrial Portable Bag Closer
# Part Number Brand Item Description
1 241024AS Newlong NP7a Handle Assembly
2 241092 Newlong NP7a Drive Pulley
3 241131 Newlong NP7a Stop Collar
4 242011A Newlong NP7a Conn. Rod Assembly
5 242051A Newlong NP7a Needle Bar Lever Assembly
6 242071 Newlong NP7a Needle Bar Lever Stud
7 242081 Newlong NP7a Adjuster Stud
8 242101A Newlong NP7a Needle Bar Conn. Assembly
9 242121A Newlong NP7a Needle Bar
10 242131 Newlong NP7a Needle Clamp Nut
11 242161 Newlong NP7a Foot Lifter Lever
12 242172 Newlong NP7a Lifter Base
13 242181 Newlong NP7a Presser Bar Clamp
14 242191 Newlong NP7a Presser Spring
15 242201 Newlong NP7a Presser Bar
16 242222 Newlong NP7a Bush
17 242231A Newlong NP7a Presser Foot
18 243012 Newlong NP7a Looper Drive Cam

Thread consumption Newlong Industrial NP-7a
Stitch Type 101 (Single Thread Chain Stitch)

Other simular Machines in this categorie are: Newlong NP-7a, Union Special 4000, Union Special 3000, Fischbein Model F, Union Special 2200 (in single mode).

With 1 cone of 200 gram thread you can close approximately 450 – 500 bags of 40cm width

3-ply* paper bag 5-ply* paper bag Jute bag
40cm width bag 50cm width bag 55cm width bag
40cm width and 2 x 3 cm long chain 50 cm witdh and 2 x 5 cm long chain 55 cm  width and 2 x 3 cm long chain
Consumption per bag: 1.74 meter = 0.38 gram. Consumption per bag: 2.28 meter = 0.50 gram Consumption per bag: 2.31 meter = 0.51 gram
With 1kg of thread approx. 2600 bags can be closed. With 1 kg of thread you can close approximately 2000 bags With 1 kg of thread approximately 1950 bags can be closed.
  • Ply is short for a layer of paper or wood, such as with toilet paper, tissue paper, paper towels or plywood
Apparatuur om zakken dicht te binden
Zakken dicht binden
Zakken dicht binder
Machine om zakken te sluiten
mobiele machine om zakken te sluiten
For the closure of sacked agricultural products, animal feed, chemical fertilizer and flour.
uval Ağzı Dikiş Makinası İçin İğne ve İplik Değişimi
Makina Yağlama Bilgisi ve Kullanım Eğitimi, Parça Takımı
Newlong NP-7A, NP3, NP8, np7h
1 string hand stitcher
single thread bag closer
sing hand bag stitcher
101 stitcher
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