Concrete Pump Elbow
Concrete Pump Elbows mainly include single wall elbows, double layer(twin walls) elbows and wear-resisting elbows.
Single Wall Elbow
Size: DN125
Material: St52, 45Mn2, 55Mn
Wall Thickness: 4.5/ 5.0/ 6.0/ 7.0mm
Length: 1m, 2m, 3m, or according to client’s requirements
Degree:15D, 30D, 45D, 60D, 90D
Bend Radius: R180/R190.5/R240/R275/R350/R500/R750/R1000
Extension: 170mm, 211mm, 411mm
Techniques: Casting or Welding
Color: White, Red, Yellow, Green, Blue can be customized
Flange: SK 148mm, HD, PM ZX 175mm, Schwing MF 166mm, Sany 157mm, Zoomlion ZX etc.
Welding technique: automatic welding
Surface Treatment: powder painted and baked
Working Pressure: SK type: 85-120 bar ZX type: over 130 bar
Hardness: 58-62 HRC ( 55Mn: up to 65 HRC)
Life Time: 30,000-35,000 CBM in China, 40,000-45,000 CBM in Korea. It is subject to the influence of various factors
Common Types:
| Name | Specification | Material | Weight | Working press | Life time |
| Normal elbow | R275*90DE | Cast steel | 16kg | 160bar | 25.000CBM |
| R275*45DE | Cast steel | 9kg | 160bar | 25.000CBM | |
| R275*30DE | Cast steel | 8kg | 160bar | 25.000CBM | |
| Heavy elbow | R275*90DE | Cast steel | 18kg | 180bar | 35.000CBM |
| Twin wall elbow | R275*90DE | Wear material | 17kg | 180bar | 60.000CBM |
| R275*45DE | Wear material | 9.5kg | 180bar | 60.000CBM | |
| R275*30DE | Wear material | 8.5kg | 180bar | 60.000CBM | |
| Big diameter elbow | R1000*90DE | ST52 | 23kg | 150bar | 20.000CBM |
| R750*90DE | ST52 | 17kg | 150bar | 20.000CBM | |
| R500*90DE | ST52 | 12kg | 150bar | 20.000CBM |
