XL Series Medium-Capacity Liquid Ring Vacuum Pump: Reliable Solution for Chemical and Oil & Gas Industries

The XL series medium-capacity liquid ring vacuum pump is designed for harsh environments in chemical and oil & gas industries, featuring ATEX certification, cast iron/stainless steel options, and easy maintenance.

The XL series liquid ring vacuum pumps/compressors incorporate innovative tapered design and meet API 681 standards, suitable for demanding applications requiring positive pressure exhaust. This article details technical specifications, product advantages, application cases and FAQs.

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XL Series Medium-Capacity Liquid Ring Vacuum Pump: Engineered for Demanding Applications

Product Overview

The XL series liquid ring vacuum pumps/compressors are specifically designed for harsh environments in chemical, oil & gas industries. Compliant with ATEX 94/9/EG Category 1 & 2 standards and referencing API 681 specifications, they offer cast iron and stainless steel material options with various mechanical seal configurations.

Key Advantages

✔ Harsh Environment Adaptation: ATEX certified for explosive atmospheres
✔ Material Options: Available in ductile iron and stainless steel (SS) versions
✔ Easy Maintenance: External mechanical seal design for convenient servicing
✔ Dual Functionality: Single unit handles both vacuum and compression
✔ Innovative Technology: Features tapered port design and GSV technology

Technical Specifications

Typical Applications

Chemical processing

Oil & gas recovery systems

Pharmaceutical solvent recovery

Power plant vacuum systems

Food processing evaporation systems

Success Cases

Case 1: Chlorine Gas Treatment in Chemical Plant
A major chemical plant replaced existing equipment with XL series stainless steel models, achieving:

45% reduction in equipment failure rate

18% energy savings

Full compliance with ATEX explosion-proof requirements

Case 2: Offshore Drilling Platform
In North Sea operations, XL series demonstrated:

Excellent resistance to high-salt corrosion

24 months continuous operation without major overhaul

Perfect adaptation to platform space constraints

XL Series Liquid Ring Vacuum Pump FAQs

1. Which industries is the XL series suitable for?

Primarily for chemical, oil & gas, pharmaceutical, and power industries requiring explosion-proof certification.

2. What international certifications does it have?

ATEX 94/9/EG Category 1 & 2 certified, compliant with API 681 specifications.

3. Advantages of stainless steel version?

Superior corrosion resistance for handling aggressive media like chlorine and acidic gases.

4. What does GSV technology do?

Significantly improves pump performance under high vacuum by reducing gas leakage from discharge to inlet.

5. Maintenance interval?

With external mechanical seal design, standard maintenance interval reaches 8,000 operating hours.

6. Suitable for explosive environments?

Yes, ATEX certification ensures safe operation in explosive gas atmospheres.

7. Features of tapered port design?

• Compressive force counteracts rotor weight
• Optimizes performance across entire operating range
• Reduces bearing operational load

8. Is a booster pump required?

Self-priming design eliminates need for booster pumps.

9. Maximum allowable solid content?

Cam cleaning technology handles media with trace solids - exact content depends on application.

10. How to select mechanical seal type?

Based on medium characteristics:
• Standard media: Single mechanical seal
• Hazardous media: Double mechanical seal + barrier fluid system

About Innovative Technologies

The advanced tapered port design is core to XL series, featuring:

Optimized cone angle reduces pump size

Dynamic pressure compensation extends bearing life

Side discharge prevents liquid hammer during startup

High tolerance for liquid carryover

Conclusion

The XL series medium-capacity liquid ring vacuum pump has become the preferred solution for chemical and oil & gas industries due to its reliability and innovative design. For specific selection guidance or technical consultation, please contact our engineering team.

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