Product Handbook 2026 - Volume 1

Boiler house Blowdown vessels

2

Table 4 Sizes, pipe connections, dimensions, weights and capacities (approximate) in mm, kg and L Blowdown vessel type BDV60/3 BDV60/4 BDV60/5 BDV60/6 BDV60/8 BDV60/10

Flanged PN16 * Flanged PN16 *

A

100

100

150

150

200

200

B

80

80

100

100

150

150

Oval Inspection opening

Height (Internal)

100

100

100

100

100

100

C

Width (Internal)

150

150

150

150

150

150

D

460

610

765

915

1205

1500

E

400

400

400

400

400

400

Sizes,pipe connections and dimensions

F

500

540

580

630

705

770

G

310

350

390

440

525

590

H

1830

1910

1995

2095

2240

2370

2.9 6

J

1080

1125

1165

1215

1290

1355

K X Y

330

405

485

560

705

850

1080

1120

1163

1568

1612

1676

-

-

-

864

962

1026

Number of legs

3

3

3

3

4

4

Empty

185

220

275

392

630

910

Weights

Full (e.g. for hydraulic test)

376

580

861

1267

2252

3610

Capacities - standing water

96

180

293

437

811

1350

* Note: Flanged ASME B16.5 Class 150 and 300 connections are available at extra cost. For further details contact Spirax Sarco.

Inlet 3 DN25 PN16 (Level control chamber and gauge glass blowdown or TDS blowdown)

K

K

D

A vent

Inlet 2 DN25 PN16

G

(TDS control system or level control chamber/ gauge glass blowdown)

F

C

" BSPT pressure gauge

Name-plate

H

B outlet

Inlet 1 DN50 PN16 (Main bottom blowdown)

X

¾ " BSP cooling water inlet

J

1" BSP temperature sensor

Y

This is only a representation of a possible set-up, the product may have 3 or 4 legs and the inspection port may be different on the product.

2" BSP drain

E

How to order Example: 1 off Spirax Sarco BDV60/5 blowdown vessel and a VH6 vent head to suit a 10 bar g boiler having a 40 mm blowdown line.

TI-P405-33 EMM Issue 9

Page 6 of 7

BDV60 Blowdown Vessels

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