Flowserve NX0500SA-STD Installation Operation & Maintenance Download | Manualshive

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Installation, Operation, & Maintenance Manual

NX Seal Cooler

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Summary of Contents for NX0500SA-STD

Page 1: ...1 Installation Operation Maintenance Manual NX Seal Cooler ...

Page 2: ...tions 1 2 How to Use this Manual Only trained and qualified personnel should use this manual Refer to section 2 3 Inexperienced personnel should only work on this system under the supervision of a qualified person Before using this manual make sure you have fully read and understood the safety section If you are new to the system pay particular attention to section 5 which describes the system in ...

Page 3: ...TY 2 1 Hazards associated with the NX seal cooler The following hazards can be present in the system High pressure Dangerous chemicals Temperature hot surfaces Dangerous moving parts during installation Notes The cooler maximum surface temperature may comply with the ATEX temperature class when applicable Supply of cooling water shall be guaranteed for heat removal of hot products WARNING HIGH PRE...

Page 4: ...ied first aid specialist must always be available for each shift Read the Plant requirements for handling hazardous materials 2 3 Trained and Qualified Personnel Qualified personnel are people who have been authorized by those responsible for the safety of the Plant to perform the necessary work and who can recognize and avoid possible dangers The following aspects determine the qualification of p...

Page 5: ...environment laws and regulations 4 TRANSPORTATION AND STORAGE REQUIREMENTS The following requirements apply to the NX seal cooler and all related equipment Transport and storage criteria Requirements Transportation The system must be transported and stored in the un opened original shipping box Suspect damaged during trans portation Systems that have been dropped or have been subjected to heavy im...

Page 6: ...ater passes through the case It is designed for installations close to the seal where space is limited Figure 1 Vertical Cross Sectional View BODY OUTER CASING Vent Drain tube in Shell In Vent Drain Tube Out Fittings Mounting Plate Coil Coil Separator Body Inner Casing End Plate Top End Plate Bottom Body Outer Casing Vent Drain Figure 2 Top View Shell Out Note The images of parts shown in these in...

Page 7: ...a control orifice and into the seal cooler before entering the seal chamber This piping plan is targeted for clean high temperature fluids and hot water above 176 F 80 C to improve vapor margins meet secondary seal element temperature limits reduce coking and improve fluid lubricity API Plan 23 cools the seal chamber fluid by using a pumping device to circulate the seal chamber fluid through a sea...

Page 8: ...ses See figure 5 below The presence of trapped gas air is more critical when using a Plan 23 seal flush or any closed loop system Trapped gases that are entrained in the sealing fluid can collect in the seal cavity thus impede flow to the seal cooler This can ultimately cause the seal to overheat and fail due to a lack of lubrication It is strongly recommended that the seal cooler be mounted in a ...

Page 9: ...ing which reduces the seal cooler heat transfer capabilities See table below for minimum required case side flow rate Cooler size 500 625 750 Minimum Coolant Flow 2 5 GPM 9 5 LPM 3 GPM 11 4 LPM 6 5 GPM 24 6 LPM Table 1 Minimum Case Side Flow Rate Seal cooler performance should be monitored periodically Baseline temperatures should be gathered soon after equipment commissioning Target case side bas...

Page 10: ...the primary lengths of protruding coil and should be remain in place Do not remove the fit tings directly adjacent to the top end plate Be sure to retain all fittings and mark them appropriately This will minimize the likelihood of fitting leaks upon reas sembly 8 3 Remove the center bolt 8 4 Carefully pry each end plate from the main cooler body A 5 16 eye bolt can be inserted into each end plate...

Page 11: ...mum Visual inspection of the interior and exterior of the system on corrosion erosion damages and cracking Random check of the wall thickness and verification against the design thickness Random checking of coating when applicable Maintenance of the seal cooler shall be limited to touch up of coating and cleaning methods that do not affect the mechanical integrity of the system Under no circumstan...

Page 12: ...d train its employees and contractors in the safe use of Flowserve products in connection with the specific application While the information and specifications contained in this literature are believed to be accurate they are supplied for informative purposes only and should not be considered certified or as a guarantee of satisfactory results by reliance thereon Nothing contained herein is to be...

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