Spare Parts

Sl.No. Description Qty.
1 Pad 1
2 Pad Holder 1
3 Spring 1
4 Bellow 1
5 Plunger 1
6 O' Ring 2
7 Spring Retainer 1
8 Spring (Suction) 1
9 Copper Washer 1
10 S.V. Seat 1
Sl.No. Description Qty.
11 Steel Ball 1
12 Copper Washer 1
13 Plug (Socket Head) 1
14 Bush 1
15 Teflon Seat 1
16 Spring Pad 1
17 Spring (Delivery) 1
18 Steel Ball 1
19 Pump Body 1
20 Socket Set Screw 1
Maintenance Manual


Operation and Maintenance Instructions :

Polyhydron make Foot pumps 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 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.

Sucks the oil directly from the tank during suction stroke and the same is delivered to the system during delivery.

The force required to operate the valve at 25 bar is 200 N. The working and peak pressure of the valve is 35 and 100 bar respectively.

Commissioning :

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

The suction and delivery ports should be connected to the suction and delivery sides respectively.

The maximum suction pressure should not exceed 100 mm of Hg.

Maintenance :

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

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 .