OPERATING MANUAL
07-2022
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Butterfly valves with anti-corrosion protection in accordance with GSK RAL certificate have an appropriate
label (
this applies to valves in the range DN200 - DN1200
) (
Fig. 3
):
1.
GSK logo.
2.
Certificate title.
3.
Certificate reference number.
Fig. 3 The sticker specifying the RAL mark of the GSK company
Additionally, each valve has a sticker with information on how to contact the JAFAR service (
Fig. 4
).
Fig. 4 Sticker specifying contact with JAFAR service
A sticker identifying part-turn gearboxes Type JFR IP68 (GRAY) is used for standard valves:
Fig. 5. Plate identifying JFR gearboxes
1.
Manufacturer's company logo.
2.
Shaft size used for the gearbox unit.
3.
A constant ratio of the number of sprockets between the worm screw crescent and the worm screw shaft
of the gearbox.
4.
Conversion ratio of the maximum output torque from the gearbox to the input torque. This value may
increase to 20% during operation.
5.
Maximum input torque which can be used to operate a valve using, for example, a drive wheel.
6.
Maximum gearbox torque that can be transmitted to the valve shaft.
7.
Accessory type.
8.
Gearbox type JFR IP68
9.
Production serial no. in the calendar year.
10.
Year of manufacture of the product.
