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Precision Pneumatic & Hydraulic Solutions

High-performance air-driven gas boosters, liquid pumps, and pressure control systems engineered for reliability, safety, and industrial excellence.

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UNIONC Factory

About Shenzhen Unionc

Shenzhen UNIONC Industrial Technology Co., Ltd., located in the Shenzhen Special Economic Zone, is a high-tech enterprise dedicated to the research, manufacturing, sales, and service of hydraulic and pneumatic booster pumps, control valves, and customized pressure control equipment.

Our product line includes air-driven gas boosters, air-driven liquid pumps, nitrogen-oxygen booster systems, pressure testing units, and manual pumps designed for hydrostatic testing, sealing tests, strength verification, and industrial pressure processes.

Industrial Expertise

20+ years in pressure system innovation

Quality Certified

ISO & CE compliant manufacturing

Global Reach

Serving clients in 50+ countries

Custom Solutions

Tailored systems for unique needs

Our Product Range

Engineered for performance, durability, and precision — UNIONC’s pumps and boosters are trusted in laboratories, manufacturing, oil & gas, aerospace, and R&D facilities worldwide.

3DY2B/3B/4B Series

3DY2B/3B/4B Series Super High-Pressure Pump

Suitable for hydrostatic and strength testing in industrial pipelines, valves, and pressure vessels.

  • Drive Pressure: 3-8 bar air
  • Max Output: Up to 2800 bar
  • Applications: Pipeline testing, valve certification
3DY Series Motor Pressurizer

3DY Series Motor Pressurizer

Compact motor-driven pressurization system ideal for continuous high-pressure operations.

  • Model Variants: DY780, DY750 (portable)
  • Max Flow: 1.5 L/min
  • Applications: Hydraulic testing, system charging
CB Series Super High Pressure

CB Series Super High Pressure Booster

Designed for gas boosting applications with exceptional efficiency and safety.

  • Models: CB4, CB5.5, CB15
  • Gas Types: N₂, O₂, Air, CO₂
  • Applications: Pressure processing, gas cylinder filling
DY420 Series Pressure Tester

DY420 Series Pressure Tester

Precision unit for strength testing, sealing tests, and leak detection in industrial components.

  • Max Pressure: 420 bar
  • Drive: Air-operated
  • Applications: R&D, QA/QC, manufacturing
4DSY Series Pressure Test Pump

4DSY Series Pressure Test Pump

Robust multi-stage pump for high-volume pressure testing in large systems.

  • Flow Rate: Up to 4.2 L/min
  • Max Output: 1000 bar
  • Applications: Pipeline networks, heat exchangers
SLY, SL-SY Manual Pumps

SLY & SL-SY Series Manual Pumps

Ergonomic hand-operated pumps for low-volume, high-precision pressure applications.

  • Models: SYL, SL-SY
  • Max Pressure: 700 bar
  • Applications: Calibration, lab testing, field service
JL Single Head Liquid Pump

JL Single Head Liquid Pump

Universal single-head pump for low to medium pressure liquid transfer and pressurization.

  • Drive: Air-operated
  • Flow Control: Adjustable output
  • Applications: Chemical dosing, fluid transfer
JST Mini Liquid Pump

JST Mini Liquid Pump

Compact, low-pressure air-driven pump ideal for small-scale industrial and laboratory use.

  • Size: Miniature design
  • Pressure Range: 1–70 bar
  • Applications: Sample pressurization, benchtop systems
View Full Product Catalog

Why Choose UNIONC?

Safety First

All systems designed with fail-safe mechanisms and pressure relief valves.

Energy Efficient

Air-driven systems consume no electricity, reducing operational costs.

Low Maintenance

Sealed components and durable materials ensure long service life.

Global Support

Technical assistance and spare parts available worldwide.

50+
Countries Served
20,000+
Units Delivered
15+
Years Experience
98.7%
Customer Satisfaction

Frequently Asked Questions

What media can your gas boosters handle?

Our CB and 3DY series boosters are compatible with nitrogen, oxygen, air, argon, CO₂, and other inert gases. Custom seals available for specific media.

Do you offer custom pressure solutions?

Yes. UNIONC specializes in tailor-made pressure control systems, including skid-mounted units, multi-stage boosters, and automated control panels.

Are your products CE and ISO certified?

All UNIONC products are manufactured under ISO 9001 standards and carry CE certification for European market compliance.

What is the delivery time for standard pumps?

Standard models are typically shipped within 7–15 business days. Custom units may require 3–6 weeks depending on complexity.

Get in Touch

Have questions about our pumps or need a custom solution? Reach out to our engineering team today.

Contact Information

  • Bldg 41, 2nd zone, Gongcun, Sanlian Community, Longhua, Shenzhen, China
  • +86-13570895429
  • +86-0755-27241131
  • [email protected]
  • +8618129915037

Connect With Us

We respond to all inquiries within 24 hours. For technical support or quotes, please include your application details.

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