Pressure Tech SS-231 Series Operating And Service Manual Download Page 1 | Manualshive

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THE SS-231 SERIES

Operating and Service Manual

Series includes all variants of SS-231

Issue A
March 2020

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Summary of Contents for SS-231 Series

Page 1: ...1 THE SS 231 SERIES Operating and Service Manual Series includes all variants of SS 231 Issue A March 2020...

Page 2: ...ocation Usage 5 6 Servicing and Maintenance 5 6 1 Servicing the SS 231 Balanced Design 6 6 1 1 Accessing the Main Valve Assembly MVA 6 6 1 2 Accessing the Sensor Assembly SA 7 6 1 3 Adjusting the Set...

Page 3: ...cle 4 Paragraph 3 of the directive 2014 68 EC As such CE marking must not be applied The equipment is marked under section 3 3 of Essential Safety Requirements of the directive 2 Installation Before s...

Page 4: ...the first thread Any gauge ports on the regulator will be 1 4 NPT unless otherwise stated If any gauge port is not required ensure that the port is plugged prior to installation The media supplied to...

Page 5: ...ssures of the regulator which are indicated on the regulator label 4 Special Conditions for Safe Use The SS 231 series are pressure regulators and should not be used as an isolation valve When adjusti...

Page 6: ...the bottom nut 20 using a 30mm socket or open ended spanner NOTE Soft vice jaws must be used when securing the body within the vice against flats as without may cause damage to sealing surface for BSP...

Page 7: ...ctly and effectively installed it may be required to perform the appropriate seat leak test as per ANSI FCI 70 2 6 1 2 Accessing the Sensor Assembly SA To access the Sensor Assembly i Secure the regul...

Page 8: ...8 NOTE It is not necessary to remove the air deflector If it is required to replace or reassemble the part install finger tight and then tighten to 12Nm using a 20mm socket...

Page 9: ...ork assembly 1 14 16 17 IMPORTANT Ensure that the O ring 11 is correctly located into the O ring groove at base of the bonnet before placing on to the regulator body 26 xiii Position Bonnet 25 careful...

Page 10: ...m of the regulator v With the Regulator Body 26 secured in a vice apply the Maximum Working Pressure MWP to the Inlet of the regulator vi Using a slotted screwdriver turn the Adjusting Screw 13 clockw...

Page 11: ...D 9 1 OR BS028 O RING STD 10 1 OR BS4518 0091 16 O RING STD 11 1 OR BS4518 0291 16 O RING STD 12 1 PT 101 001 20MM SENSOR 13 1 PT 101T 002 ADJUSTING SCREW 14 1 PT BP 301 003 SPRING REST 15 1 PT BP 301...

Page 12: ...psi Nominal Operating Temperature 20 C to 80 C Materials Body Trim HT Brass 316 SS Seat PTFE PCTFE PEEK Flow Capacity Cv 1 0 Leakage Gas Liquid Bubble tight Zero drops of water at max inlet 8 Warrant...

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