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Questionary to calculate the adequate Pulsation Damper for Metering pumps
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Number of pump pistons:	simple effect Double effect	Are there abrasives particles? Detail them
Crankshaft speed maxi	s.p.m.
Crankshaft speed mini	s.p.m.	Residual pulse admitted +/-	%
Angle between pistons Crankshaft		That means the maxi. and mini. pressure accepted in percentage of middle operating pressure. Ex: If the middle working pressure is 10 bar and the percentage of admitted residual pulse is 2%, then the pressure peak to peak should be 10 +/- 2% = 10,2 and 9,8 bar.
Flowrate for maxi s.p.m.	L/h	Our standard connections are: thread female GAS, if other are required, please specify:
Flowrate for maxi s.p.m.	L/h
Working pressure for:		If wall thickness calculations are needed indicate code required:
Maxi. flowrate		ASME CODAP ADMerkblatt
Mini Flowrate		If Pulsation Damper is needed in suction port:	NPSHm.c.l.
Liquid pumped		For Air drive pumps:
At:	ºC	Piston stroke:	mm
Liquid viscosity at work temp:	ºE	Piston diameter:	mm
Environment temperature maxi.	ºC	Notes:
Environment temperature mini.	ºC
Needs double jacket to sep heated the liquid inside the pulsation damper? If yes, please give full details of heater fluid:
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