Spare Parts

Sl.No. Description Qty.
1 Body 1
2 Socket Head Plug 1
* 3 Support Ring 1
4 Out Seat 1
5 Inner Seat 1
6 Cap Screw 4
7 Steel Boll 1
* 8 O' Ring 1
* 9 O' Ring 1
* 10 O' Ring 1
* 11 O' Ring 3

Note : * Recommended Spares
While ordering the spares give complete details of Model Code punched on the valve body.

Maintenance Manual


Operation and Maintenance Instructions :

Polyhydron make Shuttle valves are reliable and hence require very little attention from the user. However it is necessary that following points must be kept in mind while storage, operation, commissioning and maintenance.

Storage :

It is necessary that during storage the valve must be well lubricated and properly covered. This will prevent ingress of dirt/dust in the working mechanism of the unit and during commissioning it will be easy to install the same.

Operation :

Seat type construction.

Automatically connects it’s ‘P’ port to either ‘A’ or ‘B’ depending upon whichever of two ports is at higher pressure level.

Isolates port ‘A’ and port ‘B’ from each other.

Port ‘P’ can be connected to tank only if port ‘A’ and port ‘B’ are connected to tank.

Commissioning :

During commissioning, the Shuttle valves do not need any special attention but following points must be kept in mind..

Cap screws and corresponding tightening torque should be used as mentioned in the Data sheets.

Proper O’rings should be used.

Maintenance :

The Shuttle valves do not need major attention, however it is necessary that following points must be kept in mind for proper working of the valves.

The oil must be of prime quality and clean as per ISO 16/13 and must be changed periodically..

The oil temperature must be within the specified range. i.e. –20 to +70 degree Celsius.


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Subject to revision.

Regd. office & Works :
78-80, Machhe Industrial Estate, Machhe, Belgaum - 590 014. Karnataka, INDIA. 
Phone :
+91-0831-2411001.  Fax : +91-0831-2411002 ,  
E-mail : ,  Website :


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Polyhydron Pvt. Ltd, Belgaum, India.

Updated on February 04, 2015 03:05 pm .