| Catalogue Ref | NB (mm) | h (mm) | L (mm) | d (mm) | |—————-|———|——–|——–|——–| | SPT15* | 15 | 30 | 35 | 13 | | SPT25* | 25 | 55 | 50 | 13 | | SPT30* | 30 | 55 | 57 | 13 | | SPT40 | 40 | 55 | 62 | 13 | | SPT50 | 50 | 55 | 67 | 13 |
**Materials & Features**
– Cast iron or optionally stainless steel
– Internal bore matches main tube OD
– Secured via grub screws
– d dimension denotes the diameter of the supporting arm/hole
**Design Considerations**
– Ensure adequate overlap and engagement length with main tube
– Check side load on d dimension arm to avoid bending
– Use bracing or support to avoid undue torque
– For corrosive or moist conditions, choose stainless variants