In today’s environment of greater emphasis and increased awareness on safety, the integrity of the chemical transfer hose has come under close scrutiny. As a result, the industry is putting increased emphasis on the materials and methods of construction, as well as the ability to verify these through traceability back to the original manufacturer.
Chlorine transfer hoses purchased from Powell are designed, manufactured and tested to The Chlorine Institute, Inc. Pamphlet 6, Appendix A guidelines and comply with the most recent recommendations of the Chemical Safety Board.
Transfer hoses from Powell are fully traceable for 5 years from the date of manufacture. Each hose carries permanent manufacturer identification including the manufacturer’s name, manufacturing date, maximum work pressure (psig), minimum bend radius, gas test pressure (psig), and minimum service temperature.
Metallic Transfer Hose |
Non-Metallic Transfer Hose |
Powell offers Monel® 400 metallic hoses for transfer of chlorine. Powell stocks ½” ID and 1" ID hoses in a variety of lengths. Other diameter sizes and lengths are available.
Materials of Construction
Monel® 400 hoses from Powell meet all Materials of Construction guidelines of The Chlorine Institute, Inc. Pamphlet 6, Appendix A for chlorine transfer hose including the following:
Inner Core: Hoses are offered with an inner core of Monel® 400 in one continuous length and are available annularly corrugated. The thickness of the inner core exceeds guidelines set forth in The Chlorine Institute, Inc. Pamphlet 6, Appendix A.
Braid: The braid is Monel® 400 of diamond lay or basket weave.
Outer Covering (Chafe Guard): The outer covering is Series 300 Stainless Steel.
End Fittings: End fittings for Monel® hoses are Monel® 400. Powell has ½” and 1" sizes for Monel® hoses in stock.
|
Non-metallic chlorine transfer hoses purchased from Powell are manufactured to The Chlorine Institute, Inc. Pamphlet 6, Appendix A guidelines for chlorine transfer hose and comply with the most recent recommendations of the Chemical Safety Board.
Materials of Construction
Non-metallic hoses from Powell meet all Materials of Construction guidelines of The Chlorine Institute, Inc. Pamphlet 6, Appendix A for non-metallic chlorine transfer hose including the following:
Inner Core: The inner core of the hose is thick virgin PTFE to comply with guidelines set forth in The Chlorine Institute, Inc Pamphlet 6, Appendix A.; consists of a 1-piece, solid extruded tube with no seams or voids; helically corrugated to facilitate draining and cleaning and to help reduce transfer time cycles.
Braid: The braid is two layers of high pressure-rated PVDF (Kynar®) as set forth by The Chlorine Institute, Inc. guidelines; resistant to wet or dry chlorine service.
Outer Covering (Chafe Guard): The outer covering is PVDF (Kynar®) braid for added safety and structural integrity.
End Fittings: End fittings are of Monel® ; 1-inch wide hex wrench flats as set forth by The Chlorine Institute, Inc. guidelines. |
Pressure and Temperature Ratings
Metallic and non-metallic hoses offered by Powell meet all Pressure and Temperature Ratings as set forth in The Chlorine Institute, Inc. Pamphlet 6, Appendix A, including the following:
Maximum Allowable Working Pressure: Minimum MAWP is not less than 375 psig at room temperature for hoses larger than ½ “ nominal diameter and not less than 500 psig at room temperature for hoses ½ “ and smaller diameter.
Vacuum: Hoses are rated at full vacuum at room temperature.
Pressure Test for Leaks: The hose assembly is leak tested at 2 times the MAWP with air, nitrogen, or helium (helium is not used for nonmetallic hoses) for a minimum of 3 minutes under water.
Weld Inspection: All pressure-containing welds are per ASME pressure code and tested per Pamphlet 6, Appendix A guidelines.
Burst Pressure: The hose is designed for a burst pressure equal to five (5) times the maximum safety relief valve setting of the tank with which it is used. Design Temperature: Hoses are designed to operate at a MAWP between -40°F (-40°C) and 122°F (50°C)
<
©
2010
Powell Fabrication & Manufacturing, Inc.
www.valveclosures.com
Contact Us
Home | About | Services | Technical Docs | Interactive Tools | Search | Site Map