Boiler house

Blowdown vessels

Pressure/temperature limits

Please note:

For the application of boiler blowdown and to comply with the HSE Guidance Note PM60 the vessel internal pressure should not exceed

0.35 bar g.

Body design conditions

Maximum design pressure

Maximum design temperature

Minimum design temperature

Maximum operating pressure re. PM60

Maximum operating temperature re. PM60

Minimum operating temperature

Designed for a maximum cold hydraulic test pressure of

Safety information, installation and maintenance

For full details see the Installation and Maintenance Instructions supplied with the product.

Maintenance note:

The vessel must be drained every six

months to remove concentrated blowdown

water/sludge. Before reusing, the vessel

must be refilled with fresh water.

Blowdown vessels should be thoroughly

examined by a 'competent person' every

14 months or at every major boiler

inspection.

Spare parts:

New gaskets for the inspection openings

are available as spares from Spirax Sarco.

PN16

7 bar g @ 171 °C

171 °C @ 7 bar g

-10 °C

0.35 bar g

109 °C

0 °C

11 bar g

Note: There is a second inspection

opening on the BDV60/6, BDV60/8 and

BDV60/10 which is fitted 180° to the

top opening. Other sizes have a single

central opening, similar to the one shown

on page 2.

TI-P405-33 EMM Issue 8

Page 7 of 7

BDV60 Blowdown Vessels

2.9.12