Standard control options

Pneumatic

Electric

Electronic

0.2 - 1.0 bar

Valve motor drive;

0-10 V dc signal with 24 V power supply.

Technical data

Separator body design conditions

Maximum operating pressure

Maximum operating temperature

Maximum recommended tracer circuit operating pressure

Minimum recommended tracer circuit operating pressure

(The assembly can be operated down to 0.35 bar g)

PN6

4 bar g

152°C

4 bar g

1 bar g

Materials

No. Part

13

Shell

Internals

Body

Tracer tube

Main tube

End cap

Spring clips

Material

8.1.1

Assembly

When Spirax Sarco supply a valve as part of the product, the valve

and separator will be assembled. Where requested, actuators can

be fitted to the valve, and commissioned to the specific control

signal. Where no valve is ordered, the ancillary pipe fittings

(see TI-P795-01) will be supplied connected to the separator.

Each lance and separator are supplied with 2 x 8 mm O/D tube

compression fittings (5).

The separator drain connection 'Q' should be fitted with a Spirax

Sarco float trap (13) with automatic air vent. This will ensure that

the separator is kept free of condensate at all times. The tracer

heating system should be drained by a Spirax Sarco balanced

pressure MST21 trap with 'E' fill, (10). These traps must be ordered

specifically.

1 Separator

2 Lance

steel

steel

steel

steel

steel

steel

steel

steel

Installation

8

Spirax Sarco Steam humidifiers are designed to provide and deliver

dry steam into the installation, and with minimum noise. This can

only be achieved if the total installation is correct. Full Installation

9

and Maintenance Instructions are provided with each unit.

11

Actuator

See specific Technical Information sheet (TI)

for Spirax Sarco actuators

9

12 Escutcheon plates

Galvanised steel

13

Separator

FT14

SG iron

DIN 1639 GGG40

Humidification products

Steam injection humidifiers

Type 20 and Type 40

Direct Steam Injection (SI) Humidi

fiers

Description

Spirax Sarco direct steam injection (SI) humidifiers are designed to

inject dry steam into a ducted air system in such a manner as to

ensure efficient mixing of the steam and air, and to raise the moisture

content of the air stream with no condensate carryover.

Available types

The SI systems are available in two versions - Type 20 and

Type 40. For each version there are a range of 13 standard length

lances to cover duct widths from 280 mm to 3 950 mm. The selection

is dependent upon the steam humidification load.

Control valves and actuators

Standard options for Spirax Sarco valves and electric actuators are

given in the selection table (see over). The unit may be supplied

without a valve and / or actuator. Spirax Sarco offer a wide range of

other makes that are available to order.

Alternative tracer

steam supply

230 V or 24 V

6

Stainless steel

11 Lance interconnecting pipework - installer to supply

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.

© Copyright 2011

*

drain trap

Note: a 316L stainless steel option is available on request.

8

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6

6

5

4

4

2

3

5

1

5

7

9

6

5

Q

10

3 Nozzles

4 Pipe fittings

5 Compression fittings

6 Pre-heat tracer pipe 8 mm O / D tube -

Spirax Sarco or

customer to supply

7 Name-plate

Aluminium

Spirax Sarco valves

LE31 (screwed)

LE33 (flanged)

KE71 (screwed)

KE73 (flanged)

KE63 (flanged)

Refer to specific Technical Information

sheet (TI) for material specification

Cast iron

Cast iron

SG iron

SG iron

Stainless steel

10

Tracer

MST21(E)

system

Stainless

Stainless

Stainless

Stainless

Stainless

Stainless

Stainless

Stainless

Malleable iron *

Bright zinc plated mild steel *

TI-P795-03

CH Issue 8

304 (S14 / S11)*

304 S11*

BS 3146 ANC3B*

304L*

304L*

304 S11*

304 (S14 / S11)*

304 (S14 / S11)*