Windmill Products

Column threads and sizes
*  BSP Nominal (e.g. 3" BSP Nom = 88mm Nom OD)
*  Wall thickness (WT) is greater than steel WT or standard Polpro pipe (see Catelogue page 4.10.1 for WT)
* Thread lengths (TL) are longer and stronger for long sockets
*  Standard short threads available on request = "Risers"
*  75mm (3") Column now available in Extra Heavy Duty: WT = 15mm (Nominal)

Medium Depth Pull-Rods
Thick Polypro Pull-Rod used to depths of 24m (1/2") or to 36m (5/8").  THreaded internally to 1/2" or 5/8" BSW and with a long stainless stell threaded connecting rod in one end. (M & F)

Medium Depth Rod Adaptors
Provide rod conversion to 1/2" (12mm) BSW male or female thread and to 5/8" (16mm) BSW female thread.  Allows connection to other windmill components.

Heavy Duty Pull-Rods
Heavily steel reinforced plastic sheathed pull-rod have been used to depth of 60m (1/2") or to 120m (5/8").  With brass threaded ends and O-ring seals.  Provides a corrosion protected oull-rod.

Heavy Duty Rod Adaptors
Provide rod conersion to 1/2" (12mm) BSW female thread and to 5/8" (16mm) female thread.  Allows connection to the other windmill components.

The adjuster provides a total length adjustment of 795mm  for the top end of a windmill pull-rod system.

The fine adjustement provides fine tuning of the bucket position to remove any bottoming. Raising / lowering is done simply by using a pair of spanners.

Adjuster has an all Steel construction. The Pull-rod Top Adjuster has a 5/8" (16mm) BSW male thread at the lower end to screw directly into a 5/8" BSW pull-rod or to be adapted to a 1/2" pull-rod. The brass fitting has an O-ring face seal to connect to the pull-rod or adaptor.

The top end has a 5/8" (16mm) BSW male thread which has a swivel connection to the Adjuster tube (also acts to prevent "bottoming breakage"). CONNECTING TO THE WINDMILL PITMAN ARM - the Pull-Rod Top Adaptor has a "Deep Nut" at its top end. Either weld or bolt this to the arm bracket.