ALL ABOUT TEMP-PLATE® - Paul Mueller Company

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20 OVERALL HEAT TRANSFER COEFFICIENT “U” Coefficient “U” (Btuh/ft 2/°F) Heating Cooling Heat Transfer Medium Product Not Agitated Agitated Not Agitated Agitated Water Watery Solution 30-85 105-135 25-80 100-130 Moderately Viscous Solution 15-50 60-100 10-30 40-80 Medium Oil 5-35 25-80 4-9 10-30 Tar 5-12 15-20 Glycol Watery Solution 25-65 85-105 Steam Watery Solution 100-225 120-300 Moderately Viscous Solution 30-60 70-120 Medium Oil 8-40 35-95 Tar 10-30 45-65 Direct Expansion Watery Solution 30-55 60-110 Refrigerant (R-12, R-22, ammonia) Moderately Viscous Solution Medium Oil Watery Solution in Very Large Tank, 10-30 1-8 30-70 6-18 Temp-Plate Integral with Side Wall 15-22 35-45 Heat Transfer “Oil” Viscous Solution 8-15 25-45 Most Fluids (excluding gas) Air or Gas 1-3 3-7 1-3 3-7 Without With Without With Heat Transfer Heat Transfer Heat Transfer Heat Transfer Mastic Mastic Mastic Mastic Clamp-On Temp-Plate Watery Solution 10-25 20-35 5-15 15-25 with Most Fluids Viscous Solution 5-10 10-20 2-6 5-10 (excluding gas)* Air or Gas 1-3 1-3 1-3 1-3 * Recommended for maintaining temperature only. If used for moderate heat up or cool down, use 50% of “U” value shown and consult Paul Mueller Company. We recommend use of heat transfer mastic applied approximately 1/8" thick between clamp-on and wall of tank.
LOGARITHMIC MEAN TEMPERATURE DIFFERENCE NOMOGRAPH t 1 Greatest Temperature Difference (GTD) °F www.hxrx.com 400 350 300 250 200 150 100 90 80 70 60 50 40 30 20 t m Log Mean Temperature Difference (LMTD) °F 10 10 9 8 7 t 1 GTD 6 LMTD t 2 LTD LMTD NOMOGRAPH To find LMTD (Logarithmic Mean Temperature Difference), lay straight edge from greater temperature difference (left scale) to lesser temperature difference (right scale) and read LMTD on center scale. 400 300 250 200 150 100 90 80 70 60 50 40 30 20 t 2 Least Temperature Difference (LMTD) °F 300 250 200 150 100 90 80 70 60 50 40 30 20 10 9 8 7 6 5 4 21
Page 1 and 2: ALL ABOUT TEMP-PLATE ® HEAT TRANSF
Page 3 and 4: www.hxrx.com WHAT IS MUELLER ® TEM
Page 5 and 6: Temp-Plate is usually welded by the
Page 7 and 8: TEMP-PLATE SIZE/STYLES 7,8,9 www.hx
Page 9 and 10: Double- or Single-Embossed Type 9 T
Page 15 and 16: www.hxrx.com MATERIALS, METAL THICK
Page 17 and 18: UNIT CONVERSION TABLE METRIC CONVER
Page 19 and 20: Example 1: Find the amount of Temp-
Page 21: Specific Heat* Density Name of Mate
Page 25 and 26: www.hxrx.com SATURATED STEAM PROPER
Page 27 and 28: COOLING LOAD VS. WATER FLOW AND REF
Page 29 and 30: POSITIONING, PIPING, AND TRAPPING F
Page 31 and 32: Temp-Plate — Repairs The followin
Page 33 and 34: Corrosion Resistance Table This tab
Page 35: www.hxrx.com 33
Page 39 and 40: FOOTNOTES - CORROSIVES 1 Poison 2 T
Page 41 and 42: 1. Intergranular corrosion of stain
Page 43 and 44: Factors Affecting Corrosion Some of
Page 45 and 46: Temp-Plate heat transfer surface ha
Page 47 and 48: www.hxrx.com Pipe Clamp-Ons Head Cl
Page 49 and 50: Jacketed Head www.hxrx.com SUPPLIED
Page 51 and 52: Calandria Cooling Shrouds Insertion
Page 53 and 54: “Lazy Susan” Display Unit Conti
Page 55 and 56: NOTES

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