VALVE CONNECTION
A FORM
B3 FORM
Form Description
Drive bush for threaded valve stem (Ø25mm max.)
A
Connection with four M10 threaded holes (depth
20mm) or four M8 threaded holes (depth 15mm)
Small keyed bore (Ø20mm max.). Connection with
B3
four (0° or 45°for F10) M10 threaded holes (depth
20mm) or four M8 threaded holes (depth 15mm)
B1 FORM
C FORM
Form Description
Drive bush for large keyed bore (Ø42mm & height
48mm max.)
B1
Connection with four M10 threaded holes (depth
20mm) or four M8 threaded holes (depth 15mm)
Shaft with tenons (Ø43mm). Connection with four
C
(0° or 45° for F10) M10 threaded holes (depth
20mm) or four M8 threaded holes (depth 15mm)
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