Self Closure Polyethylene (HDPE) Woven Valve Bag Making Machine for Cement Powder Package

 ON-WSA Block Bottom Valve Sack Making MachineMinimize space for storage and during transportation process, combined with valve for easy filling, especially for cement industry that is commonly using rotary packer to maximize their filling capacity. It is also stronger and more durable than multi-ply kraft paper or pp woven sandwiched kraft paper cement bag. Suitable: Block bottom PP woven valve bag, widely used for cement, resin, and other bulk material.Product Parameters1. Technical ParameterSack width300-600 mmSack length410-910 mmBottom width(B > 160 mm80-180 mmBottom center distance310-680 mmMain fabric cutting length510-1090 mmFabric width55-80 g/m²Coating Weight(15% PE, 85% PP)17-30 g/m²Speed90-120 bags/min2. Material Specification2.1 Tubular fabric requirementMaterial specification2.5-5 mm PP tapesFabric Weight55-80 g/m²Coating Weight17-30 g/m²Coating adhesionMin. 8.1N/30mmWidth tolerance±7 mmWeight tolerance (fabric + coating)±3 g/m²Over coatingMax. 5mm2.2 Flat fabric for patchesFabric Weight55-80 g/m²Coating Weight(15% PE, 85% PP)17-30 g/m²Coating adhesionMin. 8.1N/30mmWidth tolerance±3 mmWeight tolerance (fabric + coating)±3 g/m²3. Electrical,water,air requirementPower105 KVAWater consumption(Max 18°C, 4 bar)2m³/hOperating pressure6-7 barAir consumption120 m³/hAir compressorPrepared by customer4. Space requirementsEquipment SizeL*W*H: 12 m×7.5 m×3mGround strengthThe 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 temperatureThe equipment should not be installed outdoors! The ambient temperature in production halls and warehouses must be between 18 °C and 40 °C!Production ProcessPP Woven Bag Making Machines with Capacity 30 million Bags/YearCompany ProfileFAQQ1. How long will your engineer reach our factory?Our After-sales Specialist would contact you to confirm the final scheduling according to your reasonable request.Q2. How many days will you finish installing?We will finish installation and training within 1-2 weeks.Q3. What should we charge for your engineer?You should charge for the cost of our engineer's visa, air tickets,SIM card, hotel, food, and also their salary 150USD one day per person.Q4. How long is your machine's warranty period?All our machine have one year guarantee, starting from finished installation.Q5. How could we do if the parts broken within warranty?We would express the free replacement parts during the warranty date.Q6. Does your engineer speak English?Our engineers understand a little English. All of our engineers have more than five years machine installation experience.Q7. How do we solve the machine problem after your engineer leaving?Generally speaking, there will be no problem after finish installing. In case any problem, you can contact our after sales specialist at any time. There are 30 engineers at our after-sales department with 30 engineers and they'll take solution videos according your description.