IMPORTANT: These units use refrigerant R-134a. Compressor oil used with R- 134a is Castrol Icematic. SW-220, Carrier Specification #PP47-32. This publication contains Controls Start-Up, Service, Oper- ation and Troubleshooting data for the 30GXN,R080
An expansion tank is required in a closed loop heating or chilled water HVAC system for two very ... The goal in sizing any expansion tank is to ... SIZING GUIDE. 18
2013 Handakafunda.com. All Rights Reserved. Lines and Angles. Sum of the angles in a straight line is 180°. Vertically opposite angles are congruent (equal). If any point is equidistant from the endpoints of a segment, then it must lie on the perpend
Sizing Vacuum Pumps Pumping speed, or capacity, ... Assuming a vacuum pump and standard refrigeration circuit, connected by means of
PRE-. 2. 0. 1. 6. Registered Trade Mark of ”Petra Engineering Industries Co.” Petra's Green Values. ®. 2016 v.0 Edition. BROCHURE. QUALIFICATION. PRE-. 2. 0. 1. 6. ® ... PPH Series (standard): With Scroll Compressors. PPH Series: ..... works). • Addi
Cell D43: If you are calculating for a known pipe diameter, select the “Specific Diameter” (radio button). Otherwise ... global settings in Excel, PIPESIZE also makes use of text formulas that are formatted according to a string within the .... Actua
63360. Formulas and Conversions. - 10 -. To Convert. To. Multiply By. Miles, Statute. Centimeters. 160934.4. Millimeters. Inches. 0.039370079. Mils. Inches. 0.001. Mils. Millimeters. 0.0254. Paces (US). Inches. 30. Paces (US). Centimeters . 76.2. Poi
HERB FORMULAS FOR CLINIC AND HOME BY MICHAEL MOORE 75 Formulas for making Herbal Preparations, including Tooth Powders, Tincture Formulas, Constitutional Tonics, Tea
Refrigeration formulas pdf ... the refrigera- tion subsector with the.Refrigeration and air conditioning- Definitions - Necessity of refrigeration and air
Define Empirical Formula – ... Cumene is a hydrocarbon, a compound composed only of C and H. It is 89.94% carbon, and the molar mass is 120.2 g/mol. What are the
Empirical and Molecular Formulas CHEM 1A Empirical Formula: The lowest whole number ratio between the elements in a compound (not necessarily the actual formula of
spreadsheet programs that duplicate the methodologies were developed and have been used to evaluate the ... ASHRAE [2]. For cooling load calculations, the estimate of the latent cooling load is the most critical .... Equations, and References for Cal
Normal maximum stem torque for a properly applied and maintained valve is usually defined as: The ... exceed the maximum allowable valve input torque rating. If this possibility is a concern, your application ... A) Determine the type of Bettis actua
pumps. Pump sizing. Pump sizing involves matching the flow and pressure rating of a pump with the flowrate and pressure required for the process. The mass flowrate of the system is established .... can use curve- fitting equations and software such a
PIPESIZE 4 System Requirements • Personal computer running Microsoft Excel with Visual Basic for Applications (VBA). This requirement means that
VACUUM PUMP SIZING The main function of a vacuum pump is to either handle air ... CALCULATION AND MEASURMENT OF INLET ... Vacuum Pump Sizing.doc
3 Conceitos básicos Operadores Para construir as fórmulas do Excel, primeiro precisa-se conhecer os operadores matemáticos e de igualdade. Veja-os a seguir:
GEOTECHNICAL ENGINEERING FORMULAS A handy reference for use in geotechnical analysis and design
ate treatment is initiated,the quicker the transition to standard feeding.Therefore, a suitable transitional formula needs to be part of the nutritional care plan—a
Ten Managerial Accounting Formulas By Mark P. Holtzman from Managerial Accounting For Dummies ... Formula 3: Cost of Goods Sold For manufacturers and retailers,
CHILLER SIZING FORMULAS INJECTION MOLDING
EXTRUSION SHEET CALENDERING
HDPE LDPE PP ACRYLIC PPO NYLON DERLIN UREATHANE PET PS ABS PC ACETAL CELCON PVC
40 F (4.4 C) Air Off 1.14 tons Ent. Glycol 33 F 45 F (7.2 C) Air Off 1.05 tons Ent. Glycol 35 F 50 F (10 C) Air Off 0.85 tons Ent. Water 40 F
Entering Air Conditions A Guide to calculate the DIE CFM: 1 – 3 cfm / lb. 2 – 150 to 170 cfm / inch
90 F dry bulb / 78 F wet bulb Includes blower motor heat
HOT RUNNER MOLDS: convert heater watts to btu's and divide by 2. (watts x 3.414 divide by 24,000 Btu
MIXER: lbs/hour x .5 x temp. difference + 0.2 hp. = tons 12,000 Btu/ton
VACUUM FORMING: (temp. sheet on - temp. sheet off) x S.H> x lbs/hour = tons 12,000 Btu/ton * S.H. is specific heat of plastic. * Approx. temp. in 220° F. and temp. out 100° F. * Sheet is cooled by the surrounding air, lbs/hour may be increased by 10%
COOLING & HEATING LOAD: lbs/hour x (temp. start - temp. end) x S.H. = BTU’s * S.H. is specific heat of material.
MOLD HEAT UP TIME: weight (lbs) x (temp. start - temp. end) x S.H. = Time in Hrs. heater capacity (Btu's) * S.H. is specific heat of mold material.
PLATING BATHS: DC amps x DC volts x 3.414 x 75% eff. = Tons 12,000 Btu/ton
FOR TOWER WATER COOLING TOWER SIZING Hydraulic Cooling Vacuum Pump Rubber Mills Gear Drives Water Pumps Air Compressor oil Air Comp. after cooler Spot Welders Chiller Condenser
GENERAL FORMULAE
.11 hp / ton .1 hp / ton .1 hp / ton .1 hp / ton .2 hp / ton .16 hp / ton .2 hp / ton 100 kw / ton 1 ton = 1 ton
To run any of the above equipment on a chiller multiply the tower cooling load by 1.25.
Chiller Ton 12,000 btu Chiller Flow 2.4 gpm / ton Chiller Tons gpm x TD div. 24 Chiller With Water Range 42 F to 70 F Chiller With Glycol Range 15 F to 42 F Tower Ton 15,000 btu Tower Flow 3 gpm / /ton Tower Tons gpm x TD div. 30 Tower Water Range summer 70 F to 85 F, winter a low of 50 F to 85 F TD - Temperature Difference (between in & out
DIE CASTING: Zinc - lbs/hour x 35 btu/lb. = Tower Tons 15,000 Btu/ton Aluminum - lbs/hour x 325 btu/lb. = Tower Tons 15,000 Btu/ton
*(pour at 800 F. Remove at 600 F.)
* (pour at 1200 F. Remove at 600 F.)
STEEL QUENCHING: Continuous - lbs/hour x 0.166 x (temp. in - temp. out) = Tower Tons 15,000 Btu/ton Batch - lbs/load x 0.166 x (temp. in - temp. out) = Tower Tons Quench time (hrs) x 15,000 Btu/ton
FAN BEARINGS: TRANSFORMER COOLING: MOLD ROOM COOLING: TRANSFORMER COOLING:
0.2 ton/fan motor (2 gpm/fan motor) 1 KVA = 1 ton 80 sq. ft./ton (16' ceiling)
1 KVA = 1 ton * To use any of the above on a chilling system use 12,000 Btu instead of 15,000
