5.3.13

Steam traps

SM45

Bimetallic Steam Trap

Bimetallic

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 2015

Description

The SM45 is a medium pressure, temperature sensitive,

maintainable steam trap. The operating element

comprises a stack of bimetal discs which control the flow

of condensate, air and other incondensible gases at a

preset temperature below steam saturation. The body and

cover are forged and is available with integral flanges.

Standards

This product fully complies with the requirements of the

European Pressure Equipment Directive 97/23/EC and

carries the mark when so required.

Certification

The product is available with certification to EN 10204 3.1.

Note: All certification/inspection requirements must be

stated at the time of order placement.

SM45

Butt weld version

shown illustrating the

valve arrangement

for the 3⁄4" and 1"

sizes.

8

5

4

10

11

9

7 12 6

Valve arrangement for the 1⁄2" sizes

TI-P025-01

ST Issue 9

13

1

2

3

Sizes and pipe connections

1⁄2", 3⁄4", 1" and 11⁄2" screwed BSP or NPT.

1⁄2", 3⁄4", 1" and 11⁄2" butt weld to suit schedule 80 pipe and

socket weld to BS 3799 Class 3000.

DN15, DN20, DN25 and DN40 standard flange to :

EN1092 PN64, ASME 300 and JIS / KS 30K.

Pressure / temperature limits (ISO 6552)

See page 2.

Materials

No. Part

1 Cover

2 Locking nut

3 Thermostatic element

4 Strainer screen

5 Valve seat

6 Valve seat gasket

7 Valve

8 Spring

9 Body

10 Cover gasket

Cover stud

11 Cover nut

Cover washer

12 Seat insert

13 Name-plate

Material

Alloy steel

Stainless steel

Corrosive resistant bimetal and stainless steel

5

9

12

7

DIN 17243 13Cr Mo44 (W/S 1.7335)

BS 970 303 S21

1⁄2" - Rau Type RR

3⁄4" - 1" Type 100

ASTM A240 316L

BS 970 431 S29

BS 1449 304 S12

BS 970 431 S29

BS 2056 302 S26

DIN 17245 CS 22 Mo4

ASTM A193 Gr. B7

BS 4882 Gr. 2H

BS 4320 Table 1 Form A

BS 970 321 S20

BS 1449 304 S16

Stainless steel

Stainless steel

Stainless steel

Stainless steel

Stainless steel

Alloy steel

Spirally wound

Alloy steel

Carbon steel

Carbon steel

Stainless steel

Stainless steel

stainless steel graphite filled gasket

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