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4” STEEL MODEL E4

Smith Meter PD meters Rotary Vane Meter

The Smith Meter Model E4 Meter is a double-case, straight-through positive displacement meter. It incorporates 4-inch ANSI flanges and should be applied in flow system that handle rates typical of 3-inch system, but have 4-inch piping due to pumps and pressure loss considerations. Applications include: blending, batching, spendsing, inventory control, and custody transfer. The relatively high intermittent rating is for use on systems that would require this flow rate infreuently.

Maximum Working Pressurre
Model	Flange	PSI	kPa
S1	150	150	1.034
S3	150	285⁴	1.965⁴

Maximum Flow Rate
	USGPM	L/min
Continuous Rating - Standard Trim	420	1.600
Intermittent Rating (Extended)¹ - Standard Trim	600	2.250
Continuous /Intermittent Rating - All Iron or LPG Trim	315	1.200

Minimum Flow Rate
Typical Performance
Linearity²	Units	Viscosity (mPa.s)
		0.5	1	5	20	100	400
±0.15%	USGPM	80	50	20	5.0	1.0	0.25
	L/min	303	190	75	19.0	4.0	1.00
±0.25%	USGPM	50	35	15	4.0	0.8	0.20
	L/min	190	132	57	15.0	3.0	0.80
±0.50%	USGPM	40	25	10	2.5	0.5	0.13
	L/min	150	95	38	10.0	2.0	0.50

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