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Flow Control Reference Guide

The following recommendations for SPM flow control products are intended to be a guide to maximize efficiency, extended product life, and create a safer work environment.

 Treating or discharge iron is produced for the following services: o Standard Service o H2S / Sour Gas Service o Low Temp Service

 SPM ® recommends that you designate specific strings of iron for the following applications, and that the designated iron remain in that service application throughout the product’s life:

o Energized Fluids o Acids o Sour Gas o Low Temperature Applications

 FLOW RATES ABOVE 42 FEET PER SECOND ARE NOT RECOMMENDED

 Every string of iron should be pressurized to its maximum planned working pressure prior to each use.

 Pressure seal line pipe threads are not recommended for pulsating service above 10,000 psi or where side loading or erosion are suspected. (Integral or Non-Pressure seal threads are recommended.)

 Most flow control products are certified for the following temperature rating:

- Minimum: -30 ⁰ C - Maximum: 110 ⁰ C

 Personnel must not be around pressure vessel products while pressure is present or being applied.

 Each string, as well as each component, must have regular intervals of maintenance and inspection for safe, proper performance.

 Never tighten or hammer wing unions when pressure is apparent.

 Welding, brazing or heating on high pressure components is prohibited.

 General maintenance will extend the life of flow control products.

- Grease plug valves and swivel joints after every job. - Replace seals to help prevent leaks and washouts of seal faces. - Clean all seal areas thoroughly. - Flush all products with water after each job.