LIJIANG Glass LJST03 Insulating glass two-pump sealant spreading machine could adopts anti-back flow control structure to prevent back flow of two-component silicone adhesive, and adopts the mixed rate detector which could control the rate of two kinds of glue...

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Two-Pump Sealant-Spreading Machine for Insulated Glass Processing

Product Description

LJST02A Two Pump Sealant Machine

The two-component gluing machine is a two-component gluing machine produced with the latest domestic technology. It is suitable for sealing and bonding insulating glass, curtain wall glass, and mechanical manufacturing. The A-component glue pump and the B-component glue pump adopt hydraulic systems and The pneumatic drive system is sensitive and reliable in commutation, and its convenient and unique ratio adjustment mechanism guarantees to limit the nearly stringent ratio requirements of the two-component glue, continuous and uniform glue output, good glue coating effect, and high production efficiency.






Pneumatic system pressure




Power supply

380V or 220V

Component A barrel

50 gallon

Component B barrel

5 gallon

Plastic extrusion pressure


Mixing ratio


Advantages & Features

Main Product Structure

1 The two-component glue applicator mainly includes component A squeeze pump, component B squeeze pump, A glue pump travel assembly, B glue pump travel assembly, high-pressure plunger pump (proportional pump), ratio adjustment mechanism, mixed coating It is composed of a glue system, pneumatic control system and hydraulic control system.
2 The squeezing pump of component A is driven by a hydraulic system, and the squeezing pump of component B is driven by a pneumatic system. The glue of component A is sucked in and increased to high pressure. The glue of component B is sucked in and sent to the high-pressure plunger pump for boosting. The flow rate of the glue of components A and B is adjusted by the ratio adjustment mechanism and then sent to the mixer at the same time to fully mix. After arriving at the glue gun.
3 Component B glue is equipped with a high-pressure ball valve (return valve) to relieve pressure during glue flushing. A one-way valve is installed at the front end of the curing agent hose to prevent components A and B glue from interlocking and solidify the channel.
4 Adjustment of the allocation ratio of groups A and B Different two-component adhesives have different mixing ratios, which should be carried out in strict accordance with the technical requirements, so as not to affect the performance and engineering quality of the adhesive. The mixing ratio can be changed by adjusting the position of the slider on the connecting rod. When the ratio reaches the requirement, tighten the slider nut.

This machine is used to make the application of sealant in insulating glass.

1. The pure pneumatic control of LJST02A high-energy two-component glue dispenser mainly consists of the base material pump, curing agent pump, proportional pump, base material pump lifting system, ratio adjustment structure, glue mixing system, and pneumatic system. 

2. The base material pump, curing agent pump, and proportional pump all use special high-pressure plunger pumps, two-way equal feeding, and the base material pump and curing agent pump are driven by a pneumatic motor. Both are supplemented with a pressurized supply pressure plate to fully ensure the full cavity delivery of high-viscosity fluids. The base material is pressed and increased to high pressure, the curing agent is pressed and pressurized, and then sent to the proportional pump. The flow of the curing agent is controlled by the ratio adjusting mechanism. After adjustment, the two components are fed into the mixer at the same time, and reach the glue gun after being fully mixed. 

3. Both the lower outlet of the curing agent filter and the inlet of the mixer are equipped with high-pressure ball valves for flushing and pressure relief. The mixer is equipped with a one-way needle valve, which not only makes the mixing more uniform but also can effectively prevent the two groups The parts flee each other, solidifying the channel and blocking it. 

4. The lifting system adopts manual valve control. The ratio of the two components can be adjusted by adjusting the position of the slider on the swing rod. When the required scale is reached, the nut can be tightened. The operation is simple and convenient.


Pre-Sales Service

1. Free inquiry and consulting support.

2. Free sample-making support.

3. Manufacturing process inspection.

4. Free quotation.

5. Troubleshooting. 

After-Sales Service

1. Offering the specifications for the entry-level glass deep-processing machine with 1 years warranty.

2. English software, user manual, and engineer guide.

3. 7/24 technical support by email or call, if you have any problems, we will help you to solve them within 12 hours.

4. During the warranty period, if any part is broken, we will provide it for free.

5. Free remote service and support, if it is necessary, our engineer will come to your country for training.

6. 7 working days to produce the machine, in the meanwhile, we will report the production process in time. 


1. Is it easy to operate for a beginner?

We provide an English manual or live video guide that will show how to set up and use the machine. Whether you are a beginner or an expert, you can quickly learn to operate. If you still have any problems, please contact us directly via calling or mailing. 

2. How to choose the right entry-level glass deep-processing machine?

Yes, to give you a suitable entry-level insulating glass producing machine, please tell me the max working area, materials for processing, and the thickness for the materials to be cut. Then an affordable glass deep-processing machine will be recommended to fit your requirements. 

3. If the glass deep-processing machine have any problem after I ordered it, what could I do?

3.1. Free parts will be sent to you in the warranty period if the machine has any problem.

3.2. Free after-sales service life for the machine, please feel free to contact us if you have any problems.

3.3. We will offer 7/24 free service and support by phone, WhatsApp, skype, and mail. 

4. What about quality control? 

The whole production procedure will be under regular inspection and strict quality control. The complete machine will be tested to make sure it can work very well before being out of the factory. The testing video and pictures will be available before delivery. 

5. What about the MOQ?

Our MOQ is 1 set glass deep-processing machine. We could send the glass deep-processing machine to your country port directly, please tell us your port name. There will be the best shipping freight and machine price for you. 

6. What about the payment terms?

6.1. 30% by T/T in advance, 70% by T/T before shipping.

6.2. L/C is acceptable, if the amount is big, please issue the draft for our confirmation at first. 

7. What about the delivery terms?

We will arrange the delivery on the terms we both agreed upon after the confirmation by the buyer. For standard machines, it would be 7-10 days. For special ordered machines, it would be 15 to 30 days depending on the factory arrangement. 

8. What about the packing?

Waterproof plastic film package with foam protection in each corner. Plywood case package with steel belt. It saves space as much as possible for container loading. 

9. What about the documents after shipment?

After shipment, we will send original documents to you by DHL which include the packing list, commercial invoice, bill of landing, and other certificates as required by clients. 

International Shipping Around the World 

All the glass deep-processing machines can be shipped worldwide by sea, by air, or by international express logistics via DHL, FEDEX, UPS. You are welcome to get a free quotation by filling up the form with your name, email, detailed address, product, and requirements, we will shortly contact you with the full information including the most suitable delivery method (fast, secure, discreet) and freight.

Overall dimension
Mixed rate
Diameter of A/B sealant
Sealant volume
Sealant spreading pressure
Working air pressure
Air supply
Flow 0.8m³/min
Air pressure