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Summary of Contents for Flowserve NX0500SA-STD
- Page 1 ® Installation, Operation, & Maintenance Manual NX Seal Cooler...
- Page 2 1. INTRODUCTION 1.1 About this Manual This manual is intended to ensure a safe installation and operation of the NX seal- cooler. All involved personnel shall be noticed of this instruction. Note: Pressure equipment shall be operated with caution. Due to changed or unforeseen circumstances and conditions, dangerous/ hazardous events can occur.
- Page 3 1.5 Use of Alerts and Icons This manual uses “Notes”, “Cautions”, and “Warnings” to alert you of important information and/or hazardous situations. CAUTION The equipment, product or surrounding area can be damaged if the “caution” is not obeyed. WARNING Personnel can be (seriously) injured, or the equipment can be seri- ously damaged if the “warning”...
- Page 4 2.2 General Safety When installing, operating and maintaining this system, pay particular attention to safety: • Obey all applicable safety laws and regulations. • Obey all Plant regulations. • Make sure that only trained and qualified personnel work on the system. Refer to section 2.3.
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Page 5: Environmental Considerations
“as new” properties. Preserving installed systems The preserving medium must not damage the installed system, for example by fouling or attacking the com- ponents and mechanical seal. If you are not sure which preserving medium to use, contact Flowserve. -
Page 6: Design Overview
5. DESIGN OVERVIEW 5.1 Description The Flowserve NX seal cooler is a shell and tube system used with single or dual mechanical seals. It utilizes a counter flow pattern to enhance cooling efficiencies. The objective of the seal cooler is to lower the temperature of process or barrier fluid passing through the coil while cooling water passes through the case. -
Page 7: Installation
Before installing the system, inspect all components for damage. If any of the com- ponents are damaged, you should report this to your local Flowserve representative. Position the NX seal cooler as close to the seal as possible. Make sure there is suf- ficient room for: •... - Page 8 Figure 3: API Plan 21 Configuration Figure 4: API Plan 23 Configuration 6.2 Mounting Positions The seal cooler can be mounted vertically or horizontally, and as close to the seal as possible. Vertical mounting is preferred for any closed loop system for venting purposes.
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Page 9: Operation
7. OPERATION Only operate the NX cooler within the temperature and pressure limits shown on the assembly drawing When installing, ensure that the seal cooler, piping, and vent locations provide com- plete venting of gas/air from both the coil and case systems. This requires the vents to be located at the highest point in each system. -
Page 10: Maintenance
8. MAINTENANCE The NX seal cooler may only be disconnected by qualified personnel, in accordance with national regulations, the safety standards of the user and in accordance with the users operating procedures. Before disconnecting the equipment, verify that: • The equipment is at ambient temperature •... - Page 11 8.8 Leak testing is recommended after assembly. Refer to end user specifications or procedures. Alternately, individual units can be returned to Flowserve for refur- bishment and testing. 8.9 The inspection should include the following hold points as a minimum: •...
- Page 12 Flowserve product is designed to perform its intended function safely during its useful life. However, Etten-Leur, the Netherlands the purchaser or user of Flowserve products should be aware that Flowserve products might be used in numerous applications under a wide variety of industrial service conditions. Although Flowserve can provide general guidelines, Telephone: 31 765 028 200 it cannot provide specific data and warnings for all possible applications.
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