These operating instructions must be available to all users at all times. GEFA Processtechnik GmbH is not liable for unauthorized changes of the device or for improper use.
If contradictory identifications occur, speak with the responsible authority. All PPE (personal protective equipment) must be provided by the user of the valve. 5 / 39 Version 0 • DocID 104070923 Internet: www.gefa.com • E-Mail: gefa@gefa.com...
Data, diagrams, applications described and only in connection with the components, which are recommended by GEFA Processtechnik GmbH, ap- proved and mentioned in this documentation. The faultless and safe operation of the device requires proper transport, proper storage and installation as well as careful operation and maintenance.
2.6 Product safety The valves of GEFA Processtechnik GmbH correspond to the state of the art and the prescribed safety rules, but nervertheless hazards can occur in connection with valves. The valve may only be operated in proper condi- tion, in the intended area and under consideration of all associated documentation. Any change to the valve may only be made after approval by the manufacturer.
Flat hexagon nut 1.1.8 Safety cap 1.1.9 Locking clip End cap Hexagon screw Hexagon nut Hand lever Hand lever Cylinder screw Cylinder screw Hexagon screw Washer Hexagon nut 8 / 39 Version 0 • DocID104070923 Internet: www.gefa.com • E-Mail: gefa@gefa.com...
For valves that are delivered without actuation, the shut-off element is not secured against adjustment. It must be transported in such a way that it can not be opened from the closed position by external influences (eg vibration). 10 / 39 Version 0 • DocID104070923 Internet: www.gefa.com • E-Mail: gefa@gefa.com...
For operating temperatures up to max. 160°C, actuators can be mounted directly. For higher tem- peratures, a mounting kit between actuator and valve should serve as thermal insulation. 11 / 39 Version 0 • DocID 104070923 Internet: www.gefa.com • E-Mail: gefa@gefa.com...
The flow direction and installation position of the ball valve can be freely selected. For ball valves with pressure relief bore, the flow direction is marked on the ball valve. 12 / 39 Version 0 • DocID104070923 Internet: www.gefa.com • E-Mail: gefa@gefa.com...
Avoid all foreign particles on the sealing surfaces. > Do not operate the valve in the cavitation area. The throttling and control range in an intermediate position is not permissible. 14 / 39 Version 0 • DocID104070923 Internet: www.gefa.com • E-Mail: gefa@gefa.com...
Valves that regularly remain in one position must be operated at regular intervals to ensure their mobility. The valve may only be operated by trained persons who know the operating instructions, understand them and can work in accordance with. 15 / 39 Version 0 • DocID 104070923 Internet: www.gefa.com • E-Mail: gefa@gefa.com...
The valves of GEFA Processtechnik GmbH are as far as possible maintenance-free. However, for operational safety reasons, all valves should nevertheless be checked regularly, for example by assessing the external con- dition and their accessories.
Clean the parts, especially the sealing surfaces. > Replace the necessary components. Reassembly is performed in the reverse order of the disassembly process. Spindle tightening torques are listed in Chapter 5.3 Initial commissioning. 17 / 39 Version 0 • DocID 104070923 Internet: www.gefa.com • E-Mail: gefa@gefa.com...
Switch the ball to the “CLOSED” position and then tighten the body screws (1.3). Body screws tightening torques are listed in Chapter 5.3 Initial commissioning. > Perform test shifting over the full shifting path. > ATTENTION: Risk of injury from the rotating ball. 18 / 39 Version 0 • DocID104070923 Internet: www.gefa.com • E-Mail: gefa@gefa.com...
The opening of pneumatic actuators or pneumatic cylinders, which are equipped with a closing or opening spring, is associated with increased risk. It is essential to follow the maintenance and re- pair instructions. Maintenance and repair instructions can be found on www.gefa.com or request them directly from us.
4“ 4“ 4xM16 27.2 Weight including hand lever * Option: Length increased by 100 mm for insulation ** Pipe thread DIN 2999-Rp, ISO 228/1-G Subject to changes 21 / 39 Version 0 • DocID 104070923 Internet: www.gefa.com • E-Mail: gefa@gefa.com...
4xM14 12.0 4“ 6xM14 18.8 5“ 6xM16 28.1 6“ 6xM16 28.7 Weight including hand lever * Option: Length increased by 100 mm for insulation Subject to changes 23 / 39 Version 0 • DocID 104070923 Internet: www.gefa.com • E-Mail: gefa@gefa.com...
4“ 97.5 6xM16 114.3 29.0 Weight including hand lever Material of butt weld end: 1.4409 * Option: Length increased by 100 mm for insulation Subject to changes 27 / 39 Version 0 • DocID 104070923 Internet: www.gefa.com • E-Mail: gefa@gefa.com...
8x18 27.8 4“ 107.1 8x22 39.9 Weight including hand lever * Option: Length increased by 100 mm for insulation ** Option: Flange connection 8x18 Subject to changes 29 / 39 Version 0 • DocID 104070923 Internet: www.gefa.com • E-Mail: gefa@gefa.com...
PTFE / carbon seat UHMWPE seat The diagrams refer to ball valves with full bore. For ball valves with reduced bore, select a smaller nominal size. Subject to changes 34 / 39 Version 0 • DocID104070923 Internet: www.gefa.com • E-Mail: gefa@gefa.com...
PTFE / carbon seat UHMWPE seat The diagrams refer to ball valves with full bore. For ball valves with reduced bore, select a smaller nominal size. Subject to changes 35 / 39 Version 0 • DocID 104070923 Internet: www.gefa.com • E-Mail: gefa@gefa.com...
PTFE / carbon seat UHMWPE seat The diagrams refer to ball valves with full bore. For ball valves with reduced bore, select a smaller nominal size. Subject to changes 36 / 39 Version 0 • DocID104070923 Internet: www.gefa.com • E-Mail: gefa@gefa.com...
When returning the product to the manufacturer, enclose the safety data sheet of the media. Furthermore, if ne- cessary, it must be stated which safety measures have to be observed when handling the returned product. 37 / 39 Version 0 • DocID 104070923 Internet: www.gefa.com • E-Mail: gefa@gefa.com...
Remove attached actuators before removing the valve or secure them against unauthorized use and accidental operation. 38 / 39 Version 0 • DocID104070923 Internet: www.gefa.com • E-Mail: gefa@gefa.com...
> For the stop (open or closed position), insert the cylinder screw (2.5) and tighten it with the nut (2.6). 39 / 39 Version 0 • DocID 104070923 Internet: www.gefa.com • E-Mail: gefa@gefa.com...
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