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Installation & Operation Manual

                                                        

 

 

 

 

 

 

 

 

 

 

Proven Quality since 1892

 

 

ECON check valves Fig. 2630-2631                    

                                                          www.eriks.com                                    

Rev. 0

 

                                                     

 

 

General warning: 
 
General note for products which may be used for seawater:

 

Although our products can be used in seawater systems it should always be noted that, in case of 
installation in a piping system made of materials which are frequently used because of their excellent 
seawater resistance (e.g. Cunifer), large potential differences may occur possibly causing corrosion 
which could permanently damage the proper functioning and integrity of our product. 
A combination of different materials should always be mentioned prior to the purchase of our products 
in order for us to give the best possible advise on a safe functioning. 

General note for cast iron products:

 

Cast iron can be used for various applications, such as listed in our catalogue. It should however 
always be observed, that frost (in combination with non-drained products) may permanently damage 
the proper functioning and integrity of our product. 

 

 

Summary of Contents for ECON Series

Page 1: ...arry out such jobs and in any circumstance ensure personal safety 4 Transport and storage Transport and storage should always the valve should be protected against external forces influence and destruction of the painting layer as well The purpose of the painting layer is to protect the valve against rust during transport and storage The valves should be stored in an unpolluted space and should al...

Page 2: ...e correct flange size must be used In horizontal pipelines the valve must be installed so that the bolted cover is facing upward for version with sinking ball The valve must be installed with the direction arrow on the body coincident with the direction of flow in the pipeline For vertical pipelines the flow direction should only be upwards Immediately prior to valve installation the pipeline shou...

Page 3: ...ore starting any service jobs make sure that the medium supply to the pipeline is cut off pressure was decreased to ambient pressure the pipeline is completely cleaned and ventilated and the plant is cooled down Always keep safety instructions in mind and take all personal safety precautions ECON ball check valves do not require any special maintenance In certain cases it might be possible to repl...

Page 4: ...test should be carried out after installation the valve should be checked and maintained periodically at least every 3 months depending on the medium Replacement and or cleaning of ball check valve components Loosen the bolts of the bonnet 5 in a cross sequence and with correct tools in order to avoid damage to the components Proceed by lifting the bonnet For big sizes it is recommended to use ele...

Page 5: ...the bonnet 2 centered correctly in the opening of the body 1 take special care that the O ring is placed in correct position in order to avoid damage when fixing the bolts Finally start fixing the bolts 5 in a cross sequenced order 10 Troubleshooting It is essential that the safety regulations are observed when identifying the fault Problem Possible cause Corrective measures No flow Valve is insta...

Page 6: ...unifer large potential differences may occur possibly causing corrosion which could permanently damage the proper functioning and integrity of our product A combination of different materials should always be mentioned prior to the purchase of our products in order for us to give the best possible advise on a safe functioning General note for cast iron products Cast iron can be used for various ap...

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