Small Flow Servo Double Station Filter Cartridge Extension Machine (Advanced)

The PP filter element length connector is used to connect short 2/3/4" filter elements to longer ones and is widely used for liquid pleated filter elements.

Model:ZS-RJ300-A

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Introduction

This machine is purpose-built for filter manufacturers who specialize in small-diameter, low-flow cartridge elements. It operates as a high-precision double station filter cartridge extension machine, addressing the growing demand for high-accuracy splicing in applications such as pharmaceutical, electronics, and fine chemical filtration, where dimensional consistency and weld integrity are critical.

The defining feature of this servo filter lengthening machine is its dual-station working table, which allows two filter elements to be loaded, aligned, and spliced simultaneously in one cycle. This parallel operation effectively doubles throughput compared to single-station designs, achieving a production rate of up to 60 seconds per two pieces (160-180 pcs/h), significantly boosting daily output without expanding floor space.

Powered by high-response INOVANCE H5U servo motors instead of pneumatic or hydraulic systems, the machine delivers repeatable thermal fusion control. The servo drive ensures smooth, jerk-free motion, minimising membrane damage and ensuring consistent splice strength across all production batches. With an intuitive PLC touchscreen and programmable parameters for different element sizes, changeover is quick and operator-friendly. Engineered for clean-room compatibility and low noise operation, this precision filter extension system offers filter producers a compelling combination of high capacity, precision, and reliability — making it the ideal solution for small-flow filter lines demanding both quality and productivity. It can be integrated with our filter end cap welding machine for a complete small-flow cartridge production line.

Features

As a specialized thermal fusion filter joining machine for small-diameter, low-flow cartridge manufacturing, the ZS-ST8000 offers distinct advantages for facilities requiring high precision and maximum throughput:

• Dual-Station Parallel Operation Maximizes Throughput: Two workstations operate simultaneously for loading, alignment, and thermal splicing in a single cycle. This parallel design effectively doubles production output compared to single-station systems, significantly boosting daily capacity to 160-180 pcs/h without requiring additional floor space.
• High-Precision Servo Drive Ensures Accurate Positioning: The INOVANCE H5U servo system delivers smooth, jerk-free motion that minimizes membrane damage and guarantees consistent concentricity and splice length across all batches — essential for demanding precision filter extension applications in pharmaceuticals and electronics.
• Advanced Thermal Fusion Control for Strong, Leak-Free Joints: An intelligent temperature control module maintains heating stability within ±5°C, producing robust fusion seams with excellent seal integrity. This thermal fusion filter joining machine ensures high splice strength and reliable performance even under challenging filtration conditions.
• Clean-Room Compatibility & Low Noise Operation: Engineered for controlled production environments, this servo filter lengthening machine operates with low noise and minimal particulate emission, making it suitable for pharmaceutical, biotech, and microelectronics clean-room facilities.
• Quick Changeover & User-Friendly Operation: The intuitive PLC touchscreen interface allows operators to store and recall process recipes for different cartridge sizes (68-80mm diameter, 10-60 inch length), reducing changeover time and minimizing human error during small-batch, multi-SKU production.

Technical Parameters

Model	ZS-ST8000
Drive System	INOVANCE H5U Servo
Welding Method	Hot plate contact heating (thermal fusion)
Power	6.6KW
Voltage	220VAC/380VAC, 50-60HZ
Air Pressure	0.6-0.8Mpa
Heating Precision	±5℃
Welding Diameter	68-80mm (Small Flow)
Welding Length	10-60 inch
Weld Materials	PP, PES, PMMA, etc.
Capacity	160-180 pcs/h (Dual-Station)

Application

Our precision filter extension machine is purpose-built for manufacturers producing small-diameter, low-flow pleated filter cartridges where dimensional accuracy and clean operation are paramount. The double station servo filter lengthening machine serves a wide range of high-value sectors:

Servo filter lengthening machine dual-station precision mold structure for small flow precision filter extension

Pharmaceutical & Biopharmaceutical Manufacturing: sterile filtration of active pharmaceutical ingredients (APIs), injectable solutions, vaccines, and bioprocess buffers.
Microelectronics & Semiconductor Fabrication: ultrapure water (UPW) polishing loops, photoresist filtration, and wet-chemical processing.
Fine Chemicals & Specialty Materials: solvent purification, catalyst recovery, and high-value intermediate filtration including flavors, fragrances, and specialty coatings.
Food & Beverage (Premium Segments): filtration of premium wines, craft beers, fruit concentrates, and edible oils where low-flow, high-clarity filtration is required.
Laboratory & Pilot-Scale Operations: R&D facilities, pilot plants, and small-batch production lines where flexibility and reproducibility are essential.

Product Showcase

ZS-ST8000 double station servo filter cartridge extension machine installed in clean-room factory for precision filter extension

Small flow filter cartridges seamlessly connected by thermal fusion filter joining machine

Small flow servo double-station filter lengthening machine full unit showcase

Smart Filtration Leadership

Changzhou Zhishuo Automation Equipment Co., Ltd. specializes in professional automation equipment for the filtration industry. Integrating independent R&D, manufacturing, and global sales, we constantly promote intelligent construction. We hold multiple software copyrights like the 'End Cap Welding Intelligent Production System' and numerous invention patents. As a full-service custom filter making factory, we deliver high-quality, mutually beneficial OEM/ODM solutions worldwide.

15+

Own Factory Production Line

300+

Annual Production Capacity

40+

Global Co-Branding Partners

800+

Successful Customized Samples

ZHISHUO filter equipment manufacturing factory exterior

Why Global Customers Choose Us

Global R&D & Smart Tech

Backed by a strong R&D team, we continuously integrate global technologies. Our equipment features self-tuning algorithms and patented non-stick designs, making them highly efficient and adaptable.

Factory Direct OEM/ODM

We are not just an assembler; we are the source manufacturer. Whether you need a standalone welding machine or a fully automated filter production line, we provide cost-effective, custom solutions.

Seamless Import & Export

Our dedicated international trade team is well-versed in customs clearance and global logistics. We guarantee timely delivery, efficient communication, and professional after-sales support.

Our Certifications & Patents

ISO 9001:2015