TBVS8 Back-Pressure Regulator User Manual
Read the complete manual before installing and using the regulator.
Page 1: ...TBVS8 Back Pressure Regulator User Manual Read the complete manual before installing and using the regulator...
Page 2: ...dia 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...
Page 3: ...nts 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...
Page 4: ...duct failure Standard Features Bolted construction Stainless steel as standard Fully serviceable Diaphragm sensing Millibar control Additional Options The regulator is available with the following opt...
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 A...
Page 6: ...with the regulator Adjusting the Set Pressure The set pressure is the desired outlet pressure of the regulator To set the regulator ensure that the supply pressure is greater than the required set pr...
Page 7: ...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 commiss...
Page 8: ...ry 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 n...
Page 9: ...ousing C1 12 Seal housing O ring B1 B2 C1 13 Diaphragm plate C1 14 PTFE Diaphragm B1 B2 C1 C3 15 Diaphragm support B1 B2 C1 C3 16 Lock washer C1 17 Diaphragm nut C1 7 10 18 Spring guide C1 Lubricate r...
Page 10: ...10 TBVS8 Series Exploded View Fig 1...
Page 11: ...11 TBVS8 Series Section View Fig 2...
Page 12: ...it detaches from the spring housing 20 3 Loosen the cap screws 21 and remove the spring housing 20 4 Loosen the diaphragm nut 17 and remove the lock washer 16 diaphragm support 15 PTFE diaphragm 14 d...
Page 13: ...e nut to 7 lbf ft 10 N m 9 Place one of the spring guides 18 and the set spring 19 onto the poppet stem 8 10 Lubricate the recess of the remaining spring guide 18 then place this into the set spring 1...
Page 14: ...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 dete...
Page 15: ...o much when going from a dynamic 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...
Page 16: ...acked 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...
