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IM-P180-31 

CMGT Issue 11

9

Note: Before actioning any installation observe the 'Safety information' in Section 1.

Referring to the Installation and Maintenance Instructions, name-plate and Technical Information Sheet, 

check that the product is suitable for the intended installation:

3.1

Check materials, pressure and temperature and their maximum values. If the maximum operating 

limit of the product is lower than that of the system in which it is being fitted, ensure that a safety 

device is included in the system to prevent overpressurisation.

3.2

Determine the correct installation situation and the direction of fluid flow.

3.3

Remove  protective  covers  from  all  connections  and  protective  film  from  all  name-plates,  where 

appropriate, before installation on a steam or other high temperature applications.

3.4

The trap is designed to be fitted in 

vertical lines

 with flow downwards so that it can be self-draining. 

Check flow arrow for correct orientation. Fittings, clamps and gaskets for pipe end connections are 

not supplied. Do not expose the element to superheat conditions since over expansion may result.

Installation should include a suitable cooling leg to avoid condensate back-up into process equipment 

under normal operating conditions.

Caution: Do not overtighten clamp.

 This may cause the seal to spread/extrude and interface with 

element frame. 

It is normally only necessary to take up slack and tighten the nut by half a turn 

maximum.

3.5 

If the trap is to be subjected to hydraulic testing (max pressure 15 barg) - it is essential that the 

internals are removed and that the standard gasket is substituted for a Viton gasket.

When swapping out the gasket or removing the internals. the clamp should be re-torqued to 50 lbf.

in (5.65 Nm).

Note:

 The body and element must be handled carefully to ensure that the machined surfaces are not damaged.

Note: 

If the trap is to discharge to atmosphere ensure it is to a safe place, the discharging fluid may be at 

a temperature of 100

 

°C (212

 

°F).

3. Installation

Summary of Contents for BT6-B

Page 1: ...product information 3 Installation 4 Commissioning 5 Operation 6 Spare parts and maintenance Copyright 2019 Printed in GB 1802950 11 BT6 B Sanitary Balanced Pressure Thermostatic Steam Trap Installat...

Page 2: ...IM P180 31 CMGT Issue 11 2...

Page 3: ...e product are lower than those of the system in which it is being fitted or if malfunction of the product could result in a dangerous overpressure or overtemperature occurrence ensure a safety device...

Page 4: ...or processed as persons inhaling the fumes from burning tobacco contaminated with PTFE particles can develop polymer fume fever 1 9 Tools and consumables Before starting work ensure that you have suit...

Page 5: ...re is taken Viton Can be landfilled when in compliance with National and Local regulations Can be incinerated but a scrubber must be used to remove Hydrogen Flouride which is evolved from the product...

Page 6: ...or example critical SIP applications please consult Spirax Sarco Standards The BT6 B has been designed and built in general accordance with ASME BPE The unit also complies with the requirements of the...

Page 7: ...IM P180 31 CMGT Issue 11 7 Fig 1 2 2 Sizes and pipe connections 1 and 1 sanitary clamp ends to ASME BPE For other end connections please consult Spirax Sarco...

Page 8: ...co Body design condition PN10 PMA Maximum allowable pressure 10 bar g 140 C 145 psi g 284 F TMA Maximum allowable temperature 177 C 9 2 bar g 350 F 133 psi g Minimum allowable temperature 254 C 425 F...

Page 9: ...self draining Check flow arrow for correct orientation Fittings clamps and gaskets for pipe end connections are not supplied Do not expose the element to superheat conditions since over expansion may...

Page 10: ...ent The operation relies on a stainless steel capsule that is filled with a temperature sensing fluid During cold or start up conditions the capsule will be fully open allowing large volumes of air co...

Page 11: ...These are the available spare parts No other parts are supplied as spares Capsule element assembly 3 and 5 Seal 5 Body outlet including seat 2 How to order spares Always order spares by using the des...

Page 12: ...carefully to ensure that the machined surfaces are not damaged Remove the sanitary clamps from the pipeline connections and remove the whole trap from the pipeline Remove the body sanitary clamp 4 th...

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