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Please note, that your operating point ideally should be selected in the middle of the fan characteristic curve.

If, for whatever reason, you have to deviate from this rule, the operating point must not be in the absolute marginal areas of the characteristic. The efficiency of the fan is too poor in the far right area and the characteristic curve is also inconsistent in the far left area, where flow may stall. In the case of ATEX fans, the operating point must be in the continuous range of characteristics, i.e. not too far in the left area.

Note: The fan characteristics shown here serve as reference values for a quick pre-selection / configuration of a fan. For technical reasons, the characteristic curves shown here in the marginal areas (in which the fan should not be operated) may be subject to tolerance, they may differ slightly from our official fan data sheets.

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Explosion Protection

DSV2 250-2-75

Volume Flow 506

Pressure Difference 830

DSV2 250-4-60

Volume Flow 408

Pressure Difference 838

DSV2 250-4-60

Volume Flow 392

Pressure Difference 796

DSV2 280-2-85

Volume Flow 1087

Pressure Difference 892

DSV2 280-2-85

Volume Flow 1137

Pressure Difference 899

DSV2 280-4-67

Volume Flow 927

Pressure Difference 1041

DSV2 315-2-95

Volume Flow 1636

Pressure Difference 1154

DSV2 355-4-85

Volume Flow 1836

Pressure Difference 1655

DSV2 400-2-118

Volume Flow 3460

Pressure Difference 1946

DSV2 400-4-95

Volume Flow 3350

Pressure Difference 1937

DSV2 450-4-106

Volume Flow 3585

Pressure Difference 2678

DSV2 450-4-106

Volume Flow 5101

Pressure Difference 2409

DSV4 250-2-75

Volume Flow 224

Pressure Difference 197

DSV4 250-4-60

Volume Flow 200

Pressure Difference 200

DSV4 315-4-75

Volume Flow 643

Pressure Difference 294

DSV4 355-4-85

Volume Flow 882

Pressure Difference 384

DSV4 560-4-132

Volume Flow 3848

Pressure Difference 1076

	Volume Flow	Δp s	Δp t			Rated Power	Explosion Protection	Direct Current	Adjustable Frequency	ρ	Sound Pressure	ErP
DSV2 250-2-75	506 m³/h	830 Pa	991 Pa	-	-	0.37 kW	II 2D Ex h IIIC T135°C Db	-	+	1.2 kg/m³	72 dB(A)	-
DSV2 250-4-60	408 m³/h	838 Pa	980 Pa	-	-	0.37 kW	II 2D Ex h IIIB T4 Db	-	+	1.2 kg/m³	78 dB(A)	-
DSV2 250-4-60	392 m³/h	796 Pa	926 Pa	-	-	0.37 kW	-	-	+	1.2 kg/m³	77 dB(A)	-
DSV2 280-2-85	1087 m³/h	892 Pa	955 Pa	-	-	0.55 kW	-	-	+	1.2 kg/m³	84 dB(A)	2021
DSV2 280-2-85	1137 m³/h	899 Pa	967 Pa	-	-	0.55 kW	II 2G Ex h IIB T4 Gb	-	+	1.2 kg/m³	85 dB(A)	2021
DSV2 280-4-67	927 m³/h	1041 Pa	1107 Pa	-	-	0.55 kW	II 2D Ex h T125°C Db	-	-	1.2 kg/m³	75 dB(A)	2021
DSV2 315-2-95	1636 m³/h	1154 Pa	1273 Pa	-	-	1.1 kW	II 2D Ex h IIIC T135°C Db	-	+	1.2 kg/m³	76 dB(A)	2013
DSV2 355-4-85	1836 m³/h	1655 Pa	1874 Pa	-	-	1.5 kW	II 2D Ex h T125°C Db	-	-	1.2 kg/m³	90 dB(A)	2021
DSV2 400-2-118	3460 m³/h	1946 Pa	2474 Pa	-	-	4 kW	II 2D Ex h T125°C Db	-	-	1.2 kg/m³	80 dB(A)	2013
DSV2 400-4-95	3350 m³/h	1937 Pa	2604 Pa	-	-	3 kW	II 2G Ex h IIB T4 Gb	-	+	1.2 kg/m³	92 dB(A)	2021
DSV2 450-4-106	3585 m³/h	2678 Pa	2916 Pa	-	-	5.5 kW	-	-	+	1.2 kg/m³	90 dB(A)
DSV2 450-4-106	5101 m³/h	2409 Pa	2703 Pa	-	-	5.5 kW	II 2D Ex h T125°C Db	-	-	1.2 kg/m³	90 dB(A)
DSV4 250-2-75	224 m³/h	197 Pa	229 Pa	-	-	0.12 kW	II 2D Ex h IIIC T135°C Db	-	+	1.2 kg/m³	56 dB(A)
DSV4 250-4-60	200 m³/h	200 Pa	235 Pa	-	-	0.12 kW	II 2D Ex h IIIC T135°C Db	-	+	1.2 kg/m³	62 dB(A)
DSV4 315-4-75	643 m³/h	294 Pa	314 Pa	-	-	0.12 kW	II 2D Ex h IIIC T4 Db	-	-	1.2 kg/m³	63 dB(A)
DSV4 355-4-85	882 m³/h	384 Pa	408 Pa	-	-	0.25 kW	II 2D Ex h T125°C Db	-	-	1.2 kg/m³	65 dB(A)	2015
DSV4 560-4-132	3848 m³/h	1076 Pa	1172 Pa	-	-	2.2 kW	II 2GD Ex h T4	-	+	1.2 kg/m³	82 dB(A)	2021

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