Operation, actuation & controls

Manual gearbox

A manual gearbox allows greater ease of operation and gives a better protection

To reduce the required manual effort applied or to minimize the pressure shocks a manual gearbox is preffered. A gearbox allows greater ease of operation and gives a better protection against system damage caused by waterhammer due to quick closing. For regulating valves with a gearbox the system can be properly balanced by fine manual control. Casing materials are cast aluminium, cast iron, ductile iron or stainless steel. The available operating devices for gearbox are handwheels, tee caps for buried service or chainwheels for overhead installations.

Type 232

Suitable for general industrial applications
light weight cast aluminium housing

Stainless steel input shaft
Up to 500Nm output torque

Powder epoxy finish
IP65 enclosure

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Type X

Suitable for general industrial applications
Light weight cast aluminium housing

Stainless steel input shaft
Up to 600Nm output torque

Powder epoxy finish
IP67 enclosure

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Type AB

Suitable for industrial applications
Cast iron housing, ductile iron optional

Protected steel input shaft, stainless steel optional
Up to 32.000Nm output torque

Polyurethane coating
IP67 enclosure

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Type Q

Suitable for industrial applications
Cast iron housing, ductile iron optional

Stainless steel input shaft
Up to 70.000Nm output torque

Powder epoxy finish
IP68 enclosure

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Type ABSS

Suitable for industrial applications
Stainless steel housing

Stainless steel input shaft
Up to 70.000Nm output torque

IP68 enclosure

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Type QSS

Suitable for industrial applications
Stainless steel housing

Stainless steel input shaft, alubronze quadrant
Up to 6.500Nm output torque

IP68 enclosure

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Type GQB

Suitable for industrial applications
cast iron housing, ductile iron optional

Thermo hardened power drive components
up to 675.000Nm output torque

Double layer powder epoxy
IP68 enclosure

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