Technical Guides & Support

Rotary Lobe Pump Resources

Find selection, materials, maintenance, and troubleshooting guides, request technical documents, or browse articles and FAQs.

Technical Guides & Service

Choose a guide for your selection, maintenance, or service question.

Selection & Materials

Selection & Sizing Guide

Prepare flow, pressure, viscosity, solids, and installation data for pump sizing.
Materials & Elastomers

Review wetted materials against the liquid, temperature, and cleaning agents.

Maintenance & Support

Maintenance & Rebuild Guide

Find inspection, seal-care, and wet-end maintenance guidance.
Replacement Parts

Identify rotors, seals, and wear parts using the pump model and serial number.
Troubleshooting

Investigate flow loss, pressure problems, cavitation, leaks, and lockups.

Product Brochure & CAD Drawings

Download the product brochure with specifications, curves, and dimensions, or request model-specific CAD files.

Download Brochure

YL series model specifications, performance curves, and dimensional drawings. PDF · 31 pages · 13.4 MB.
Request CAD Drawings

Model-specific STEP or DWG drawings for layout and installation planning.

Articles & FAQs

Technical Blog

Read articles on pump operation, selection, materials, and maintenance.
Pump FAQs

Find answers to common selection, service, and documentation questions.

Need Help Finding the Right Resource?

Tell us which document or pump question you need help with.