Model Pinch Bottom Bag Closer
Shanghai Guangzhi’s Pinch Bottom Bag Closer seals 50-100lb sacks at 80 bags/hour. Handles PP/paper/jute with triple-stitch lock. Dust-proof & ATEX options. CE/FDA compliant.
- Brand： glzon
- Model： GZM
Product Essence: Uncompromised Sack Integrity
Shanghai Guangzhi Automation’s Model Pinch Bottom Bag Closer delivers industrial-strength sealing for 50-100lb (25-50kg) pinch bottom sacks (PP woven, paper, jute). Engineered for cement, animal feed, and chemical powders, this rugged closer achieves 80 bags/hour with triple-thread lock stitching, eliminating spillage while withstanding harsh plant environments.
Core Technology Advantages
1. Heavy-Duty Stitching Precision
Triple-Lock Stitch: Class 300 thread (≥35 lb tensile strength)
Auto Tension Control: Maintains consistent stitch density across materials
Needle Guard System: Prevents breakage on thick seams (up to 8mm)
2. Dust Containment & Safety
IP65 Enclosure: Sealed motors/bearings resist abrasive dust ingress
ATEX Zone 21 Option: Explosion-proof servo drives (Ex IIB T4)
Vacuum Extraction Port: Captures 95% airborne particulates
3. Material Versatility
4. Ergonomic Operation
Height-Adjustable Conveyor (800-1200mm)
Foot Pedal Control (freeing operator’s hands)
Quick-Release Thread Guides (<30s reload)
Critical Specifications
Stitch Type: Lockstitch (Type 304 SS thread)
Max Bag Width: 600mm
Stitch Length: 5-15mm (adjustable)
Thread Capacity: 5,000m spools
Power: 380V/50Hz, 1.5kW (ATEX: 24VDC)
Dust Emission: ≤3mg/m³ (ISO 14644)
Footprint: 1500×800×1400mm (L×W×H)
Industry-Specific Solutions
Cement & Building Materials
Tungsten-coated needles for abrasive cement dust
Anti-static kit (surface resistance <10⁹ Ω)
Food & Feed
USDA/FDA-compliant food-grade oils
Washdown-ready SS304 construction
Chemicals
Corrosion-resistant components (Hastelloy C-22)
Nitrogen purge option for combustible dusts
Case Study: US Animal Feed Producer
Challenge:
50lb paper sacks ruptured at stitch line
Dust explosions during closing
Solution:ATEX model with reinforced stitching
Results:
▶ Zero sack failures in 500K+ bags
▶ Compliance with NFPA 652
▶ ROI in 9 months
Global Compliance & Value
Certifications
CE Machinery Directive
ATEX 2014/34/EU (Zone 21)
FDA CFR 21 (food contact)
Cost Advantage
50% lower TCO vs EU equivalents
Modular Upgrades:
Inkjet batch coding
Auto bag placer
Stitch inspection camera
Support Commitment
24/7 multilingual troubleshooting
Critical spares global dispatch ≤72h:
Needle assemblies
Tension discs
Dust filters
APPLICABLE BARREL TYPE
COMPANY PROFILE
Shanghai Guangzhi Automation Equipment Co., Ltd. is a production and trading company specializing in the weighing industry. We are located in Shanghai, China's economic city, with convenient transportation and export ports all over the world. We cooperate with state-owned factories and international companies, and the quality is guaranteed.
We mainly focus on providing customers with weighing solutions, from commercial scales to industrial weighing machines. Such as pneumatic valve bag packaging machine, dry mix mortar bag packaging machine, cement packaging machine, natural stone powder packaging machine, flour powder packaging machine, wheat packaging machine, potato starch packaging machine, air packaging machine, granule bag packaging machine, grain packaging machine, fertilizer bag packaging machine, lubricant filling machine, 200 kg drum filling machine, 216L drum filling machine, 208L drum filling machine, ton barrel filling machine, IBC barrel filling machine, jumbo bag packaging machine, ton bag packaging machine, 30L pail filling machine, 50L pail asphalt filling machine, ATEX barrel filling machine, explosion-proof filling machine, etc.
Company Certificate
Our office and workshop
Consulting-Design-Procurement-Processing-Production-Installation-Debugging-Training-Maintenance
This is a partial 
service for us
in China.
Over 30 years of experience, every time we produce in
Shanghai, our friends can visit our factory at any time.
Brand components
We will ensure that our company's equipment has safety, stability, high efficiency and intelli-gent technology, so as to meet your needs, we can also cooperate with you in selecting in-ternational product brand production and business.
Our service
Complete solution provided
Telephone exchange joint business design plan, you can also visit our company ; we have a good environmental office vehicle,you can visit from time to time.
Duty after death
Our music team has a strong heart, and the customer's suspicions are also the purpose 24 hours of phone cell service and listing to the conversation at any time.
Technology group
We have a wealth of technical personnel and our technical team has been developing technical skills for over ten years.
Successful collaboration
Our factory in Shanghai. China provides free training for our technical staff.Better guarantee good product safety , our company provides safety, convenience, high efficlency packaging servic.
packge and delivery
Multiple Transportation way :Express(Fedex/DHL/TNT/EMS/UPS etc),air and shipping for your choose
FAQs
Our in-house designers and engineers have produced countless great designs for customers from different industries
1
Can we get your free samples?
Samples can be offered for free. But courier cost for the samples should be at buyer's account.
2
Can you print our LOGO in flatware set?
Yes.we can print the logo on the flatware set as your requirements.Embossed, laser,stamped and engraved are available.
3
How long is the delivery time of sample?
Samples from stock can be sent within 1-3 days. New produced samples will be sent within 5-15 days.
4
Is there any MOQ for what I purchase?
Yes, we have MOQ for mass production. Different item with different package has different MOQ. Please contact us for more details.
5
Do you accept OEM or ODM services?
OEM and ODM are accepted!
6
What is 18-10 Stainless Steel Flatware?
18-10 refers to the composition of stainless steel. It contains 18% chromium and 10% nickel for excellent strength and corrosion resistance.
CONTACT US
Skype: fayfaywang1027
QQ: 429682794
Whatsapp: 008618016442021
E-mail: glzoncn@163.com
https://glzon.en.alibaba.com/
cel: +0086 18016442021