Boiler house

Blowdown vessels

2.9.15

Spare parts - DN25 to DN50

The spare parts available are shown in solid outline. Parts drawn in a grey line are not supplied as spares.

To ensure correct operation and maintain the warranty, use only Spirax Sarco original parts.

Before actioning any maintenance programme observe the 'Safety Information' in Section 1 of the Information and Maintenance

Instructions IM-P405-48 supplied with the unit.

Available spares

Seats, insert 'O' ring and stem seals

Insert tool - Required to aid the removal of the ball valve insert (2)

Please note: Spare parts are common for both the KBV21i and KBV40i.

Caution - The ball must be installed with the vent hole on the upstream side of the valve.

How to order spares

5, 6, 9, 10

Not shown

Always order spares by using the description given in the column headed 'Available spares' and state the size and type of ball valve.

Example: 1 set of seats, insert 'O' ring and stem seals for a Spirax Sarco DN50 KBV21i boiler blowdown valve.

10

9

9

5

5

6

Ball valve insert (2)

(not an available spare).

Please note: You will need to order the Insert tool listed in the table above to aid removal.

Page 4 of 5

TI-P405-47 EMM Issue 2

KBV21i and KBV40i Key Operated Boiler Blowdown Valve