Spirax Sarco HP70 Series Installation And Maintenance Instructions Manual Download Page 1

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IM-P071-02

CMGT Issue 3

HP70 Series Bimetallic Steam Trap

1. Safety information

2. General product information

3. Installation

4. Commissioning

5. Operation

6. Maintenance

7. Spare parts

8. Fault finding

Printed in GB

6232150/3

HP70 Series

Bimetallic Steam Trap

Installation and Maintenance Instructions

IM-P071-02

CMGT Issue 3

Summary of Contents for HP70 Series

Page 1: ...information 2 General product information 3 Installation 4 Commissioning 5 Operation 6 Maintenance 7 Spare parts 8 Fault finding Copyright 2020 Printed in GB 6232150 3 HP70 Series Bimetallic Steam Tr...

Page 2: ...IM P071 02 CMGT Issue 3 2 HP70 Series Bimetallic Steam Trap...

Page 3: ...ts of the 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...

Page 4: ...rts 1 10 Protective clothing Consider whether you and or others in the vicinity require any protective clothing to protect against the hazards of for example chemicals high low temperature radiation n...

Page 5: ...where they may be exposed to temperatures below freezing point 1 15 Disposal Unless otherwise stated in the Installation and Maintenance Instructions this product is recyclable and no ecological haza...

Page 6: ...t within the body and can be repaired online Normally open in the event of failure it has a retaining valve a built in strainer screen and an external device for adjusting the discharge temperature of...

Page 7: ...500 psi g 122 F TMA Maximum allowable temperature 450 C 67 7 bar g 842 F 982 psi g PMO Maximum operating pressure 70 bar g 425 C 1015 psi g 797 F TMO Maximum operating temperature 425 C 70 bar g 797 F...

Page 8: ...inspection and maintenance 3 5 The steam trap may be installed in any position except where discharge is flowing vertically upwards Optimum performance will be achieved if installed horizontally 3 6 B...

Page 9: ...the condensate temperature acting on the bimetallic elements It operates with no loss of steam and automatically and quickly drains air non condensable gases and large quantities of cold water on star...

Page 10: ...flushing during operation This maintenance operation should be performed once every six months To clean the steam trap during operation it is advisable to close the steam inlet valve before turning t...

Page 11: ...torques Item Part or mm N m lbf ft 3 Bimetallic element pipe spanner 36 A F 120 88 6 Locking gland nut on adjustment screw 21 A F 38 28 9 Cover nut 24 A F 105 77 5 11 Blind nut 41 A F 80 59 Fig 3 11 L...

Page 12: ...ossible injury from hot surfaces 2 Remove the blind nut 11 3 Remove the six cover nuts 9 and the cover 8 4 Remove the strainer screen 4 and clean or replace 5 Note The valve and bimetallic element ass...

Page 13: ...IM P071 02 CMGT Issue 3 13 HP70 Series Bimetallic Steam Trap Fig 4 11 Locking gland nut 6 10 9 3 Adjustment screw 8 4 2 7 1 Valve opening spring 12 13 14 Check valve Adjustment screw tube...

Page 14: ...the shaft of the bimetallic element assembly 3 fits into the adjustment screw tube as the cover is put into position 8 Install the cover nuts 9 using the high temperature thread lubricant and tighten...

Page 15: ...ner screen 4 Cover gasket set packet of 3 7 Gasket set 2 7 10 How to order spares Always order spares by using the description in the column headed Available spares and state the size and model of the...

Page 16: ...ischarge temperature adjustment See Section 6 2 5 Dismantle and inspect internals See Disassembly and service See Section 6 4 Trap blows live steam 1 Dirt on seating surface Flush as described in Trap...