Spirax Sarco - Catalogo Agosto 2017

Steam traps

Bimetallic

5.3.21

ISO 9001

Steam

saturation

curve

TI-P018-01

ST Issue 3

Cert. No. LRQ 0963008

1 2 3

4 5 6

No.8

Fixed Temperature Liquid

Expansion Steam Trap

10 11

Description

The No.8 fixed temperature liquid expansion thermostatic steam trap has an oil filled element set to operate at a fixed temperature.

It is easily adjusted to discharge at any temperature between 60°C and 100°C.

Sizes and pipe connections 1⁄2

" screwed BSP or NPT.

Limiting conditions

Body design conditions

PMA - Maximum allowable pressure

TMA - Maximum allowable temperature

PMO - Maximum operating pressure

TMO - Maximum operating temperature

Designed for a maximum cold hydraulic test pressure of 38 bar g

Operating range

Materials

No. Part

1 Adjustment nut

2 Overload spring

3 Element nut

4 Washer

5 Adjustment lock-nut

6 Guide screw

7 Body

8 Element

9 Valve head

10 Valve seat gasket

PN25

25 bar g

250°C

17 bar g

232°C

Material

Brass

Stainless steel

Brass

Gunmetal

Brass

Stainless steel

Copper

Stainless steel

BS EN

12165 CW 617N

BS 970 302 S31

12165 CW 617N

BS 2870 CZ 108

12165 CW 617N

BS 2872 CZ 108

BS EN CC 491K

AISI 440B

BS 2870 C102

BS 970 431 S29

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Valve seat

Pressure bar g

The product must not be used in this region.

Certification

*PMO Maximum operating pressure recommended for saturated

steam (17 bar g)

The product is available with certification to EN 10204 2.2.

Note: All certification/inspection requirements must be stated at

the time of order placement.

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.