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Gates Industrial Hose - Wright, F. B.

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HOW TO SELECT THE CORRECT STEAM HOSE ASSEMBLY1. Determine Required <strong>Hose</strong> SizeThe hose size required is usually fixed by sizeof fittings or pipe to which the hose is to beconnected. It is important that you do not selecta hose with inside diameter larger than thediameter of the preceding pipe.2. Find Actual Rated Working Pressure andTemperatureTake pressure and temperature readings justahead of the hose connection.3. Determine Condition of Steam (Saturatedor Superheated)Locate the actual Rated Working Pressure andTemperature on the steam chart on previouspage. Any point on the heavy line is saturatedsteam.4. Select the Correct <strong>Hose</strong>From the table at right, select the hose that fulfillsthe requirements of both the condition ofthe steam and the Rated Working Pressure.5. Determine Length RequiredLength required is almost always dictated bythe application.6. Select Couplings Required<strong>Gates</strong> recommends interlocking* andpermanent crimped types of couplings forsteam hose applications. These are identifiedas:14 Interlocking, ground joint15 Interlocking, washer joint76 Permanent CrimpedSteam <strong>Hose</strong> Couplings*Remember to retighten bolts on a regular basis.7. Maintenance and InspectionFor proper maintenance and inspection ofinterlocking and permanent crimped steamhose assemblies, refer to ARPMIP-11-1.NOTE: When electrical continuity is required,ground the wire braid in the hose to couplingswith aluminum, copper or stainlesssteel staples.<strong>Hose</strong>TypeSTEAM HOSE TABLERatedWorking Pressure(psi)Recommended ServiceWorkingTemperature(°F)232MB250 450Steam Queen ®205MB250 450Steam King ®GaugePressure(psi)10253035404550556065707580859095100105TypeofSteamSaturatedorSuperheatedSaturatedorSuperheatedProperties of Saturated Steam(Abridged from Handbook of Chemistry and Physics – 39 th Edition.)*Temperature ofSaturated Steam(ºF)239267274281287292298303307312316320324328331335338341GaugePressure(psi)110115120125130135140145150155160165170175180185190195*Based on an atmosphere pressure of 14.7 psi.*Temperature ofSaturated Steam(ºF)344347350353356358361363366368371373375377380382384386GaugePressure(psi)200205210215220225230235240245250255260265270*Temperature ofSaturated Steam(ºF)388390392394395397399401403404406408409411413275 414IMPORTANT: Steam can be dangerous material. Play it safe –stay within the limits of published recommendations!Do Not Alternate Use Between Steam and WaterACID-CHEMICALAIR ANDMULTI-PURPOSEFOOD ANDBEVERAGEMARINEMATERIALHANDLINGMININGOILFIELDPETROLEUMTRANSFERPRESSUREWASHERSTEAMWATERCLAMPSCOUPLINGSANDFERRULESHOSE FINDERCHEMICALRESISTANCETABLE®Powering Progress. gates.com/industrialhose 143

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