Control valves

Desuperheaters

Sizes

Spirax Sarco desuperheaters are specified by their nominal inlet and outlet size in inches. For example an 80 mm connection is referred

to as Size 3, a 250 mm would be Size 10.

Dimensions and weights

Please refer to the general assembly detail drawing generated by the sizing and selection software for details of specific desuperheaters.

Selection guide

Example

VTD

080

CS

A600

WN

Desuperheater type STD, SND, VTD and SAD

Steam inlet / outlet size, mm 20 mm - 450 mm

Shell / pipe material

CS - Carbon steel A106 Grade B. For VTD sizes 1 to 2, CS = A350 LF2N material

CM - Chrome molybdenum A182 F11

Steam end connections

ASME 150, ASME 300, ASME 600, ASME 900, ASME 1500

PN16, PN25, PN40, PN63 and PN100

Flange style Weld neck or slip-on

How to order

1 off Spirax Sarco Size 3 desuperheater model VTD080CS having ASME 600 RF weld neck flanged connections. (Attach the

desuperheater Data Sheet with your order).

Spare parts

For units with fixed internals, spare parts are not available.

Spare parts and internal diffuser removal tools are available for units fitted with removable internals.

For guidance ;

SAD of 6" and larger and VTD of 10" and larger are of a fully welded construction, hence spare parts are not available. There are no

spares available for SND or STD with fixed nozzle assembly.

Please quote the equipment model number and serial number from the nameplate when requesting parts.

TI-P475-01 CH Issue 3

Page 9 of 9

Direct Contact Desuperheaters

4.8.10