Total dynamic head definition

Total dynamic head or "TDH" means the arithmetical difference between the total discharge head and total suction head (a vacuum reading is considered as a negative pressure). This value is used to develop the published performance curve.
Total dynamic head means the hydraulic calculation of the resistance to flow in a circulation system based on the Hazen-Williams formula in Regulation .25C(1)(a) of this chapter.
Total dynamic head or "TDH" means the arithmetical difference between the total discharge head and total suction head

Examples of Total dynamic head in a sentence

  • Total dynamic head shall be a maximum at no-flow and decrease from no-flow to design flow.

  • Total dynamic head (TDH) is defined as the total resistance against water flow in the pump from the water source to the delivery point of use.

  • There are several factors to consider when determining the type of pump to use and the depth at which it should be set, including: • Borehole diameter• Desired pumping rate• Total dynamic head including the pumping water level, the above ground head (if applicable) and all friction; losses in the casing, pipes, fittings• Reliability of power source• Horsepower requirements Also, consider whether the pump is submersible and has variable speeds.

  • MILAGRO:2ea submersible non-clog pumps 5HP 230v 1800rpm 4” discharge Pumps shall be designed for pumping product at: Rated capacity of minimum 200 (GPM)· Total dynamic head of minimum 25(TDH) to max 50 (TDH), minimum solid passage 3 inch,· Minimum efficiency of 50 % , NEMA 4X S.S.Control panel sized for 5-hp, 230 or 460-volt, 3-phase NEMA Breakers, Duplex alternator, ETM, H-O-A selector switches, Phase Monitor Package also includes: Float system with Anchor & Chain, S.S. Junction box.

  • Total dynamic head (TDH) or PSIcalculations should be made in accordance with EPA Standard 625/1- 79-011.

  • Total dynamic head based on static head, lift station friction losses and pipeline friction factor (C) of 120.

  • CHAVIRA:2ea submersible grinder 3HP 230v 3500rpm 2” discharge Pumps shall be designed for pumping product at: Rated capacity of minimum 70 (GPM)· Total dynamic head of minimum 25(TDH) to max 50 (TDH), Minimum efficiency of 50 % , NEMA 4X S.S. Control panel sized for 5-hp, 230 volt, 3-phase NEMA Breakers, Duplex alternator, ETM, H-O-A selector switches, 3ph to 1ph vfd Phase Monitor Package also includes: Float system with Anchor & Chain, S.S. Junction box.

  • Total dynamic head, or TDH, refers to the sum of all the friction losses and pressure drops in the filtration system from the pools suction outlets and skimmers to the returns.

  • H ≡ Total dynamic head of the pump (m).1000 ≡ Constant to get the hydropower (kW).

  • LOSOYA:2ea submersible grinder 3HP 230v 3500rpm 2” discharge Pumps shall be designed for pumping product at: Rated capacity of minimum 70 (GPM)· Total dynamic head of minimum 25(TDH) to max 50 (TDH), Minimum efficiency of 50 % , NEMA 4X S.S. Control panel sized for 5-hp, 230 volt, 3-phase NEMA Breakers, Duplex alternator, ETM, H-O-A selector switches, Phase Monitor Package also includes: Float system with Anchor & Chain, S.S. Junction box.


More Definitions of Total dynamic head

Total dynamic head means the hydraulic calculation of the resistance to flow in a
Total dynamic head means the arithmetical difference between the total

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