BDV60

Blowdown Vessels

Description

BDV60 blowdown vessels are marked and comply with the Pressure Equipment Directive (PED).
They also comply with Blowdown Systems, Guidance for Industrial Steam Boilers (Ref: BG03), for the construction of vessels used in boiler blowdown applications, issued by the Health and Safety Executive.

BDV60 blowdown vessels are designed to accept discharges from:
– Manual/automatically controlled bottom blowdown.
– Automatic TDS blowdown control valves and systems.
– Controlled bleed valves for continuous blowdown.
– Level control chambers and level gauge glasses.
– Heat recovery equipment.

Design and construction

Design code		ASME VIII DIV 1 2015
Material		Carbon steel
Connection	Standard	EN 1092	PN16 flanges
	Optional	ASME B16.5	ASME Class 150 and ASME Class 300 flanges
Paint finish	Temperature resistant silver paint

Associated equipment

– VH vent head
– M21S2 ball valve
– DCV2 check valves
– Pressure gauge and ‘U’ syphon
– Vessel drain valve
– Cooling water system

For further details please refer to the appropriate literature.

Materials

No.	Part	Material
1	Shell cylinder	BS EN 10028-2 P265GH
2	Dished ends	BS EN 10028-2 P265GH
3	Nozzle, pipe	ASTM A333 Gr.6
4	Nozzle, flange	A105N
5	Nozzle, coupling	ASTM A350 LF2
6	Inspection opening	BS EN 10028-2 P265GH
7	Inspection opening gasket	Rubber, NR/SBR
8	Impingement plate	ASTM A240, 304
9	Lifting lug	BS EN 10028-2 P265GH
10	Wrapper plate	BS EN 10028-2 P265GH
11	Support leg/foot	BS EN 10025 S275
12	Nameplate stand-off	BS EN 10028-2 P265GH
13	Nameplate bracket	BS EN 10025 S275
14	Nameplate	Aluminium
15	Long radius butt weld elbow (Internal)	ASTM A420 WPL6