Heat transfer solutions

Local regulations may restrict the use of this product to below the conditions quoted.

In the interests of development and improvement of the product, we reserve the right to change the specification without notice.

Heat exchangers

© Copyright 2015

TI-P222-02

CH Issue 2

Turflow Type Heat Exchanger

EVC (Exhaust Vapour Condenser)

Description

The Spirax Sarco EVC is based on the Turflow heat

exchanger with an additional connection and utilises

flash steam from discharge and exhaust vent pipework

to pre-heat make-up or process water thereby

recovering valuable heat energy that would otherwise

be lost to atmosphere.

The Spirax Sarco EVC will improve steam system

efficiency and is environmentally friendly, reducing

CO2 + carbon emissions and removing visible

discharges from the atmosphere whilst saving valuable

energy. It is easy to install and provides an optimised

heat transfer solution when compared to other heat

exchanger designs used in similar applications.

As standard the construction is completely stainless

steel and the tube side is all in AISI 316. There are no

gaskets (with the exception of the piping connection)

and no painted components.

The heat-exchanging surface is of straight corrugated

tubes designed for low viscosity fluids and for turbulent

flow working conditions. The tube sheets are of an

integral type and are supplied ready for installation.

Standards

Designed and manufactured in accordance with the

'Raccolta VSR Revision 1995 Edition 99' code and

fully complies with the requirements of the European

Pressure Equipment Directive 97 / 23 / EC.

Certification

This product is available with a manufacturers Typical

Test Report.

Note: All certification / inspection requirements must

be stated at the time of order placement.

Available models

Heat exchanger

Water flow

(kg/h)

804

1 350

2 020

2 690

5 370

8 060

13400

20100

300 °C

200 °C

12 bar g

12 bar g

Steam massflow Heat load

(kW)

(kg/h)

30 19

50 31

75 47

100 62

200 125

300 187

500 312

750 469

EVC 11⁄2"

EVC 2"

EVC 3"

EVC 3"

EVC 4"

EVC 6"

EVC 8"

EVC 10"

-1F

-1F

-1F

-1F

-1F

-1F

-1F

-1F

* Performance sized with water from 50 to 70 °C.

** Sized with maximum inlet steam velocity 15 m / s.

Pressure / temperature limits

Maximum

Shell side

TMA allowable

temperature Tube side

Maximum

Shell side

PMA allowable

pressure

Tube side

-10 °C to +200 °C

-10 °C to +200 °C

The cold hydraulic tests are performed at 18 bar g for both sides (shell

and tube). This pressure meets with the requirements of Section 7.4,

attachment 1, of the European Pressure Equipment Directive 97 / 23 / EC.

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