Hydraulic Silencers available with Neotech

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Type of Accumulator Available With Neotech (Contd..10)

Hydraulic Silencers

Fawcett Christie Attenuators are manufactured from a Forged Shell with an interconnected inner chamber.

Specification

Shell:-
Chromium molybdenum shell. Working pressure 345 bar.

Inner Tube:-
Designed to accommodate pumping characteristics and sized for minimum pressure drop performance.

Finish:-
One coat short oil based alkyd paint standard.

Connections:-
BSP female connections.

	Fawcett Christies offer an attenuator design service for applications not covered by the standard product range.

ATTENUATOR SIZING CHART		MIN SYS BORE	LENGTH	DIAMETER	CONNECTION	WEIGHT
ACT170 RANGE	SIZE:	d (mm)	l (mm)	d (mm)	(BSP)	(kg)
	01	10	457	88.9	0.75"	5.8
	02	13	585	88.9	0.75"	7.3
	03	16	592	114.3	1.25"	12
	04	19	592	114.3	1.25"	15
	05	22	744	114.3	1.25"	15
	06	32	744	114.3	1.25"	15
	07	38	744	114.3	1.25"	15
ACT220 RANGE	01	10	381	88.9	0.75"	5.2
	02	13	457	88.9	0.75"	5.8
	03	16	457	88.9	0.75"	5.8
	04	19	585	88.9	0.75"	7.4
	05	22	585	88.9	0.75"	7.4
	06	32	592	114.3	1.25"	12
	07	38	592	114.3	1.25"	12

Figure 1 : Pressure traces from an actual installation using an axial pump running at 3000 rev/min and 140 bar

Figure 2 : Pressure traces from the same installation, but using a Fawcett Christie Attenuator.

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