Swagelok TBVS4 User Manual Download | Manualshive

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TBVS4 Back-Pressure Regulator User Manual

Read the complete manual before installing and using the regulator.

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Summary of Contents for TBVS4

Page 1: ...TBVS4 Back Pressure Regulator User Manual Read the complete manual before installing and using the regulator ...

Page 2: ...edia should be free of excessive moisture to prevent icing at high flow Always wear the appropriate protective clothing including safety glasses gloves etc if required Follow the applicable safety and maintenance procedures Obey specific local regulations Do not exceed the maximum inlet and outlet pressure rating of the product or its accessories Operate within the temperature limits and any other...

Page 3: ... for Operation 6 Points of Attention Before Operation 6 Adjusting the Set Pressure 6 Maintenance 7 Required Tools for Maintenance 7 Points of Attention Before Removal from the System 8 Removal from the System 8 Assembly Reference Data 9 Disassembly 12 Points of Attention Before Reassembly 12 Reassembly 12 Testing 13 Seat Leak Test 13 Shell Leak Test 13 Troubleshooting 14 ...

Page 4: ...d on the regulator as this could result in product failure Standard Features Bolted construction Stainless steel as standard Fully serviceable Diaphragm sensing Millibar pressure control Oxygen Service For more information about hazards and risks of oxygen enriched systems see the Swagelok Oxygen System Safety technical report MS 06 13 Cleaning and packaging to ensure compliance with product clean...

Page 5: ... regulator its connections and any accessories are undamaged Verify that the regulator and any accessories are suitable for the system operating pressure and temperature and have suitable connections At the time of delivery any gauge ports may be plugged with blind fittings Remove these and connect gauges if desired If inlet outlet fittings are being used assemble them to the regulator per the man...

Page 6: ...on does not indicate a problem with the regulator Adjusting the Set Pressure The set pressure is the desired upstream pressure of the regulator To set the regulator ensure that the supply pressure is greater than the required set pressure but does not exceed the maximum rating of the regulator The regulator must be able to flow in order to adjust the set pressure 1 Open any downstream valve 2 To o...

Page 7: ...wntime to a minimum either during commissioning or normal operation Swagelok recommends having maintenance kits readily available on site The need for maintenance kits is particularly important during the commissioning phase of a system installation due to residual assembly debris remaining in the system Such debris can cause a seat leak in the regulator resulting in components needing to be repla...

Page 8: ...essary safety precautions to ensure a safe workspace and your personal safety CAUTION The product can be hot or cold depending on the environmental temperature and the process media temperature Take the necessary precautions before operating or touching the product Removal from the System 1 Isolate the regulator from all pressure sources by closing all appropriate upstream valves in the system 2 W...

Page 9: ...te threads and poppet hole 8 Clamp ring C1 3 7 5 Lubricate threads 9 Diaphragm B1 B2 C1 C3 10 Diaphragm plate C1 11 Lock washer C1 12 Diaphragm nut C1 7 10 13 Set spring C1 C4 14 Spring guide C1 Lubricate central recess 15 Spring housing assembly N A 16 Socket head cap screw E1 7 10 Lubricate threads 17 Nut D1 18 Set screw D1 Lubricate threads Table 2 For more information on RHPS series maintenanc...

Page 10: ...10 TBVS4 Series Exploded View Fig 1 ...

Page 11: ...11 TBVS4 Series Section View Fig 2 ...

Page 12: ...ere practicable to aid reassembly Swagelok recommends replacing all O rings removed during disassembly NOTICE All threaded components must be lightly lubricated per Table 2 before reassembly to avoid galling of threads Reassembly 1 Lightly lubricate the central hole of the seat retainer 7 2 Insert the poppet 6 through the seat retainer 7 3 Lightly lubricate the poppet thread 6 then fit the clamp r...

Page 13: ...its maximum set pressure then close the supply shutoff valve 4 Monitor the inlet pressure and or use liquid leak detector on the outlet port A drop in inlet pressure over time or bubbles in the leak detector indicates a seat leak Shell Leak Test 1 Set the regulator to the open position i e ensure the set screw is fully backed off counterclockwise 2 Close the downstream shutoff valve 3 Maintain an ...

Page 14: ...to a static situation There is too much flow in the dynamic situation A larger regulator or parallel regulator is required Review application flow capacity and contact your local authorized sales and service center The regulator will not relieve at the set point The poppet is sticking Replace the poppet The set point has been accidentally altered Readjust the set point The set pressure has changed...

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Page 16: ...backed by The Swagelok Limited Lifetime Warranty For a copy visit swagelok com or contact your authorized Swagelok representative Swagelok Snoop TM Swagelok Company Krytox TM The Chemours Company 2018 Swagelok Company July 2018 RevA MS CRD 0167 ...

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