GAS FLOW CALCULATORS

GAS SAFE REGISTER TM1
For Steel and Cast Iron Pipes . Imperial and Metric.
A double-sided instrument for calculations relating to the flow of all gases. It has two pressure loss scales, one dealing with the majority of problems where the terminal pressure is substantially atmospheric and the other for pipes at pressures up to 275 bar. Handles all fuel gases, air, nitrogen, carbon dioxide, etc., and is widely used for sizing factory compressed air and fuel gas systems, pipelines in chemical works, coke ovens and process plants. Scale Ranges: diameter 10 to 1500 mm. Flow 1.1 to 400,000 m ³ /h. Length 3 to 1,000,000 m. Velocity Scales for high and low pressure on reverse. Size 7.5/8" diameter.
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GAS FLOW CALCULATORS

GAS SAFE REGISTER TM1
For Plastic and Copper Pipes. Imperial and Metric.
This calculator is similar to the above giving the pressure loss in plastic pipes for all fuel gases, air, nitrogen, carbon dioxide, oxygen and hydrogen. On the reverse there are velocity scales and scales to determine allowances for fittings. Scale ranges: diameter 10 to 500 mm. Flow 1 to 60,000 m ³ /h. Length 3 to 1,000,000 m. Can also be used for copper pipes. Size 7.5/8" diameter.
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COMBUSTION EFFICIENCY CALCULATOR

GAS SAFE REGISTER TM1
Metric only.
The efficiency of a boiler is determined largely by the heat lost to any excess air supplied and the loss in high temperature flue gases. This calculator determines this efficiency from the CO2 content of the flue gas and the flue gas temperature. At the same time it also indicates the percentage of excess air being supplied. Note: The Calculator is based on gross calorific values. Gives answers for coal, coke, Town gas, natural gas, fuel oils - residual and distillate. Size: 5.3/4" dia.single sided, complete in plastic case.
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