Valve sacks or valve bags provide the perfect packaging solution for high speed filling of powdered products whilst maintaining a dust free working environment.
Available in Polythene, Paper or Woven Polypropylene, valve sacks can be used for many products from dyes to foodstuffs. Once filled they form a solid block which makes them easily stackable on the pallet.

Application:

-Cement bag

-Rice bag

-Food bag

-Power bag

-Industry bag

1.Machine specification:

I．Technical Parameter
Sack width	300-600 mm
Sack length	410-910 mm
Bottom width(B > 160 mm)	80-180 mm
Bottom center distance	310-680 mm
Main fabric cutting length	510-1090 mm
Fabric width	55-80cm
Coating Weight(15% PE, 85% PP)	17-30 g/m²
Speed	90-120 个/min
2.Material Specification
2.1Tubular fabric requirement
Material specification	2.5-5 mm PP tapes
Fabric Weight	55-80 g/m²
Coating Weight	17-30 g/m²
Coating adhesion	Min. 8.1N/30mm
Width tolerance	±7 mm
Weight tolerance (fabric + coating)	±3 g/m²
Over coating	Max. 5mm
2.2Flat fabric for patches
Fabric Weight	55-80 g/m²
Coating Weight(15% PE, 85% PP)	17-30 g/m²
Coating adhesion	Min. 8.1N/30mm
Width tolerance	±3 mm
Weight tolerance (fabric + coating)	±3 g/m²
Electrical,water,air requirement
Power	105 KVA
Water consumption (Max 18°C, 4 bar)	2m³/h
Operating pressure	6-7 bar
Air consumption	120 m³/h
Air compressor	Prepared by customer
4. Space requirements
Equipment Size	LWH: 12 m×7.5 m×3m
Ground strength	The installation place must keep the ground flat and have enough bearing pressure. The foundation should not conduct vibrations generated during operation. The permissible ground load must not be lower than 25000 N/m2
Environment temperature	The equipment should not be installed outdoors! The ambient temperature in production halls and warehouses must be between 18 °C and 40 °C!

2.Specification of electrical equipment and requirements

Products manufactured by Seller are designed for three-phase power supply (with the three phases L1, L2, L3) with a combined neutral and protective earth conductor (TN network), with separate neutral and protective earth conductors (TT network) and with an isolated network (IT network). For the last version (IT network), a transformer is absolutely necessary and has to be provided by the customer/plant operator or ordered separately from Seller (not included in Seller’s standard scope of supply).

Voltage between two live conductors is 400V, frequency is 50Hz, voltage between a live conductor and the neutral conductor is 230V.

Admissible variations: voltage ±10%, frequency ±2%.The neutral conductor must be fully loadable (100%).The earthing resistance for the above networks must be less than 2 ohms.

3.Production process

4.Valve sack bag samples

Product Tags:

Mitsubishi Servo Systerm Valve Bags Making Machine PP Woven Paper Sacks

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