Real cases: hydraulic press for paper used in the recycling industry

Real Cases: Hydraulic Press for Waste Paper in the Recycling Industry

The hydraulic press for waste paper is essential equipment in recycling centers, transfer stations, and municipal solid waste treatment plants. A hydraulic press for waste paper like those manufactured by NKBALER (Shaanxi Nick Machinery Equipment Co., Ltd.) allows compressing paper and cardboard into dense bales, reducing volume and logistics costs. NKBALER is a Chinese manufacturer based in Wuxi, Jiangsu, specializing in horizontal and vertical hydraulic balers since 2013, with 15 R&D engineers and an annual production of 600 units. This article presents real applications, technical parameters, and a selection guide based on verified data.

[IMAGE: Cover | horizontal hydraulic press NKW180QT operating at a recycling station | img src="https://cdn.socialarks.com/sbsp/24967/common/2026/0611/Empacadora%20horizontal%20totalmente%20autom%C3%A1tica%20(7).jpg" alt="Fully automatic horizontal baler NKW180QT baling paper and plastic in Indonesia"]

The Problem of Paper Recycling: Density and Efficiency

Loose waste paper takes up enormous space in trucks and warehouses. Without a hydraulic press, the typical density of loose paper is below 150 kg/m³, which increases transport costs and reduces storage capacity. Recycling companies need equipment that raises density to 400-700 kg/m³ to optimize logistics. Additionally, process efficiency (tons per hour) determines the profitability of the operation.

Industry Context: Growing Global Market

According to Grand View Research data, the global baler market reached USD 6.40 billion in 2024, with agricultural and industrial applications being the main drivers. The specific waste baler segment was valued at USD 1.45 billion in the same year, focused on recycling paper, plastic, and solid waste. Asia-Pacific dominated the hydraulic market with over 34% of revenue, led by China. In this context, European and American buyers seek equipment with international certifications that ensure safety and performance.

NKBALER Solution: Horizontal Balers for Waste Paper

NKBALER offers a range of fully automatic and semi-automatic horizontal hydraulic balers designed for paper, cardboard, plastic, and other waste. Key models include the NKW series (fully automatic) and NKWBD series (semi-automatic). Below are typical parameters of the most demanded models:

Model	Force (T)	Density (kg/m³)	Capacity (T/h)	Machine Weight (T)
NKW80Q	80	300-400	3-5	15
NKW125Q	125	500-600	10-12	22
NKW160Q	160	400-600	12-15	28
NKW180QT	180	500-600	12-15	28
NKW200Q	200	650-700	12-15	34

[IMAGE: Supporting | parameters table and machine certification | img src="https://cdn.socialarks.com/sbsp/24967/common/2026/0612/ATTESTATION%20CERTIFICATE%20OF%20MACHINERY%20DIRECTIVE.png" alt="ATTESTATION CERTIFICATE OF MACHINERY DIRECTIVE for NKW180QT and NKW160QT balers"]

All mentioned models have European certifications: ATTESTATION CERTIFICATE OF MACHINERY DIRECTIVE (number EASY03220201M, valid until 2027-03-21) and VERIFICATION OF CONFORMITY (number DPWD/09/060/2024, valid until 2029-09-18), which comply with EN ISO 12100:2010 and EN 60204-1:2018. This is essential for import into the EU and European Economic Area.

Step-by-Step Process: How a Hydraulic Press for Waste Paper Works

1. Feeding: Waste paper is placed on a conveyor belt (12000 to 14000 mm long) that carries it to the feed opening (e.g., 2000×1100 mm).
2. Compression: The main cylinder (80 to 250 tons of force) compresses the material inside the chamber. Hydraulic pressure ranges from 18 to 30.5 MPa depending on the model.
3. Tying: The system ties the bales with wire (4 to 5 units, gauge 6#-10#) automatically (QT models) or manually (BD models).
4. Ejection: The finished bale (typical size 1100×850×1700 mm to 1100×1250×1800 mm) exits the machine ready for transport.
5. Cooling: Models include a water cooling system or oil cooler for continuous operation.

[IMAGE: Process | flow diagram of the baling process | img src="https://cdn.socialarks.com/sbsp/24967/common/2026/0611/Empacadora%20horizontal%20totalmente%20autom%C3%A1tica%20(4).jpg" alt="Baling process in NKBALER fully automatic horizontal baler"]

Real Use Cases

Case 1: Recycling Station in Indonesia
A recycling station manufacturer in Indonesia purchased a fully automatic horizontal baler NKW180QT to bale plastic waste and paper waste. According to the case report, the equipment has been operating stably for 10-15 years, highlighting its low noise level and low energy consumption. This case demonstrates the long-term reliability of NKBALER hydraulic presses in demanding tropical environments.

Case 2: Agricultural Farm in Romania (similar project)
Although focused on alfalfa, a Romanian agricultural farm implemented a customized hydraulic baler that solved clogging problems thanks to parameter adaptation. The bale density exceeded 400 kg/m³, reducing transport costs by 30%. The customer expressed intention to repurchase, validating NKBALER's ability to customize solutions.

[IMAGE: Proof | NKBALER factory and quality control | img src="https://cdn.socialarks.com/sbsp/24967/common/2026/0611/Fotos%20de%20la%20f%C3%A1brica%20(5).jpg" alt="Photos of NKBALER factory in Wuxi, China, showing production and assembly facilities"]

Comparison of Recommended Models for Waste Paper

Model	Automation	Total Power (kW)	Total Weight (T)	Indicative Price
NKW80Q	Automatic	41	20	Inquire
NKW125Q	Automatic	48.5	27	Inquire
NKW160Q	Automatic	56	33	Inquire
NKW180QT	Automatic	52.5	33	Inquire

Note: Prices vary according to customization. NKBALER offers OEM/ODM with MOQ of 1 unit, customized voltage and logo, and delivery time of 30-45 days.

Frequently Asked Questions (FAQ)

[IMAGE: CTA | Contact NKBALER for quotation | img src="https://cdn.socialarks.com/sbsp/24967/common/2026/0611/NKBALER%20(2).png" alt="NKBALER logo - Contact for hydraulic press for waste paper quote"]

Conclusion

NKBALER's hydraulic press for waste paper combines technical robustness, international certifications, customization options, and real cases of stable operation for over a decade. Whether you are looking for a machine for a recycling station in Indonesia or a plant in Europe, the NKW models offer adaptable solutions with proven density, capacity, and efficiency. Request personalized information to evaluate the machine that best fits your project.