Product Handbook 2026 - Volume 1

Boiler house Heat recovery systems

2

B

J

B

B

J

J

L

K

L

K

L

K

M

M

G

M

G

G

E

E

E

2.8 16

D

D

D

C

C

C

H A F

H A F

H A F

FV6

FV8 and FV12

FV15 and FV18

Dimensions/weights (approximate) in ins, mm and kg FV6 FV8 FV12 FV15 FV18 A 168 219 324 406 457 B 104 210 262 303 329 C 370 413 418 390 514 D 620 663 668 640 764 E 1 225 1 391 1 400 1 275 1 521 F 230 281 411 492 544 G 2" DN80 DN100 DN150 DN150 H 2" 2" 2" DN80 DN80 J 2" DN80 DN100 DN150 DN150 K " " " " " L ¾ " 1" 1 ½ " 1 ½ " 2" M 2" 2" 2" 2" 2" Weight 45 76 130 150 193

Installation The vessel should be mounted with the flash steam outlet at the top, and connected as indicated below. Each vessel incorporates a " screwed boss for a pressure gauge. For drainage, it is recommended that a float trap is fitted. A safety valve connection is provided on the vessel. It should not be assumed that the safety valve will be the same size as the connection. Safety valve sizing and selection should be in accordance with National and Local Regulations.

Flash steam outlet

Pressure gauge connection Inspection cover

Safety valve connection

Inlet

Installation supports

Inspection cover

How to order Example: 1 off Spirax Sarco FV6 flash vessel having screwed BSP connections. The unit is to be constructed to ASME VIII DIV 1 2004 + ADD06.

Model FV15 and FV18 shown

Condensate/ residual blowdown outlet

TI-P404-03 EMM Issue 11

Page 4 of 4

FV Flash Vessel

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