1.25" BSP Steel Joining Nipple

CastradsCR-ACC-004922444
2025-01-01£3.43

In stock

One-and-a-quarter inch BSP joinging nipple (approx. 41mm outer diameter). Used in conjunction with gaskets to join sectional cast iron radiators together. 
 

Details

One-and-a-quarter inch BSP steel joining nipple (approx. 41mm outer diameter). 

Used in conjunction with gaskets to join sectional cast iron radiators together. Right hand (normal) thread on one half and left hand (reverse) thread the other side. When the nipple is turned, the two radiator sections are brought together, compressing the gasket and forming a watertight seal. On this nipple the serrations denote the right-hand thread side. 

1.25" BSP is the correct size for Castrads' Grace and King ranges. May also be used with many other brands including Roca and Idea Clima.  

Tech specs

Thread size 1.25" BSP
Weight & packaged dimensions
Total weight 105g
Dimensions in packaging 60mm x 60mm x 50mm
BSP Size Threads per inch Major diameter Minor diameter
⅛" 28 9.73 mm 8.57 mm
¼" 19 13.16 mm 11.45 mm
⅜" 19 16.66 mm 14.95 mm
½" 14 20.96 mm 18.63 mm
¾" 14 26.44 mm 24.12 mm
1" 11 33.25 mm 30.29 mm
1¼" 11 41.91 mm 38.95 mm
1½" 11 47.80 mm 44.85 mm
2" 11 59.61 mm 56.66 mm
2½" 11 75.18 mm 72.23 mm
3" 11 87.88 mm 84.93 mm