90-degree elbows - spigot elbows - put the performance of your pipeline at risk. Find out why, and the best alternative, by reading this blog.
Novel Remediation for Buried Pipelines under Ground Deformation: Large-Scale Laboratory Testing and Numerical Modeling, Journal of Pipeline Systems Engineering and Practice
Why your pipeline's 90 degree elbow is at risk and could cause downtime - Advanced Piping Systems
AGRI Pipes and Fittings
Rehab News
HAILI Plastic Pipe Manufacture
Compact' Conveying Elbows Said to Keep Material Intact
VictaulicGeneralCatalogue by Westlund PVF - Issuu
Butt Weld Fittings by Metal Pipes & Fittings Manufacturer - Metal
Review on computational fluid dynamics based analysis of surface erosion in hydraulic machinery
Types of Joints and Bends in Piping and Ductwork – Insulation & More