GRK R Ex plastic centrifugal blower

Centrifugal blower made of plastic GRK R Ex (medium: gas), three-phase AC

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Article	GRK R 20/2 D Ex	GRK R 25/4 D Ex	GRK R 25/2 D Ex	GRK R 28/4 D Ex	GRK R 28/2 D Ex	GRK R 31/6 D Ex	GRK R 31/4 D Ex	GRK R 31/2 D Ex	GRK R 35/6 D Ex	GRK R 35/4 D Ex	GRK R 35/2 D Ex	GRK R 40/6 D Ex	GRK R 40/4 D Ex	GRK R 45/6 D Ex	GRK R 45/4 D Ex	GRK R 50/6 D Ex	GRK R 50/4 D Ex	GRK R 56/6 D Ex	GRK R 56/4 D Ex	GRK R 63/6 D Ex	GRK R 63/4 D Ex
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Article

GRK R 20/2 D Ex

Centrifugal blower made of plastic with round exhaust opening, size 200, three-phase AC, explosion-proof, medium: gas

GRK R 25/4 D Ex

Centrifugal blower made of plastic with round exhaust opening, 4-pole, size 250, three-phase AC, explosion-proof, medium: gas

GRK R 25/2 D Ex

Centrifugal blower made of plastic with round exhaust opening, 2-pole, size 250, three-phase AC, explosion-proof, medium: gas

GRK R 28/4 D Ex

Centrifugal blower made of plastic with round exhaust opening, 4-pole, size 280, three-phase AC, explosion-proof, medium: gas

GRK R 28/2 D Ex

Centrifugal blower made of plastic with round exhaust opening, 2-pole, size 280, three-phase AC, explosion-proof, medium: gas

GRK R 31/6 D Ex

Centrifugal blower made of plastic with round exhaust opening, 6-pole, size 310, three-phase AC, explosion-proof, medium: gas

GRK R 31/4 D Ex

Centrifugal blower made of plastic with round exhaust opening, 4-pole, size 310, three-phase AC, explosion-proof, medium: gas

GRK R 31/2 D Ex

Centrifugal blower made of plastic with round exhaust opening, 2-pole, size 310, three-phase AC, explosion-proof, medium: gas

GRK R 35/6 D Ex

Centrifugal blower made of plastic with round exhaust opening, 6-pole, size 350, three-phase AC, explosion-proof, medium: gas

GRK R 35/4 D Ex

Centrifugal blower made of plastic with round exhaust opening, 4-pole, size 350, three-phase AC, explosion-proof, medium: gas

GRK R 35/2 D Ex

Centrifugal blower made of plastic with round exhaust opening, 2-pole, size 350, three-phase AC, explosion-proof, medium: gas

GRK R 40/6 D Ex

Centrifugal blower made of plastic with round exhaust opening, 6-pole, size 400, three-phase AC, explosion-proof, medium: gas

GRK R 40/4 D Ex

Centrifugal blower made of plastic with round exhaust opening, 4-pole, size 400, three-phase AC, explosion-proof, medium: gas

GRK R 45/6 D Ex

Centrifugal blower made of plastic with round exhaust opening, 6-pole, size 450, three-phase AC, explosion-proof, medium: gas␍

GRK R 45/4 D Ex

Centrifugal blower made of plastic with round exhaust opening, 4-pole, size 450, three-phase AC, explosion-proof, medium: gas

GRK R 50/6 D Ex

Centrifugal blower made of plastic with round exhaust opening, 6-pole, size 500, three-phase AC, explosion-proof, medium: gas

GRK R 50/4 D Ex

Centrifugal blower made of plastic with round exhaust opening, 4-pole, size 500, three-phase AC, explosion-proof, medium: gas

GRK R 56/6 D Ex

Centrifugal blower made of plastic with round exhaust opening, 6-pole, size 560, three-phase AC, explosion-proof, medium: gas

GRK R 56/4 D Ex

Centrifugal blower made of plastic with round exhaust opening, 4-pole, size 560, three-phase AC, explosion-proof, medium: gas

GRK R 63/6 D Ex

Centrifugal blower made of plastic with round exhaust opening, 6-pole, size 630, three-phase AC, explosion-proof, medium: gas

GRK R 63/4 D Ex

Centrifugal blower made of plastic with round exhaust opening, 4-pole, size 630, three-phase AC, explosion-proof, medium: gas

Article	GRK R 20/2 D Ex	GRK R 25/4 D Ex	GRK R 25/2 D Ex	GRK R 28/4 D Ex	GRK R 28/2 D Ex	GRK R 31/6 D Ex	GRK R 31/4 D Ex	GRK R 31/2 D Ex	GRK R 35/6 D Ex	GRK R 35/4 D Ex	GRK R 35/2 D Ex	GRK R 40/6 D Ex	GRK R 40/4 D Ex	GRK R 45/6 D Ex	GRK R 45/4 D Ex	GRK R 50/6 D Ex	GRK R 50/4 D Ex	GRK R 56/6 D Ex	GRK R 56/4 D Ex	GRK R 63/6 D Ex	GRK R 63/4 D Ex
	Product details	Product details	Product details	Product details	Product details	Product details	Product details	Product details	Product details	Product details	Product details	Product details	Product details	Product details	Product details	Product details	Product details	Product details	Product details	Product details	Product details

Product type	Centrifugal blower	Centrifugal blower	Centrifugal blower	Centrifugal blower	Centrifugal blower	Centrifugal blower	Centrifugal blower	Centrifugal blower	Centrifugal blower	Centrifugal blower	Centrifugal blower	Centrifugal blower	Centrifugal blower	Centrifugal blower	Centrifugal blower	Centrifugal blower	Centrifugal blower	Centrifugal blower	Centrifugal blower	Centrifugal blower	Centrifugal blower
Article number:	0073.0441	0073.0443	0073.0442	0073.0445	0073.0444	0073.0448	0073.0447	0073.0446	0073.0451	0073.0450	0073.0449	0073.0453	0073.0452	0073.0455	0073.0454	0073.0457	0073.0456	0073.0459	0073.0458	0073.0461	0073.0460
Air flow volume	1.100 m³/h	1.050 m³/h	2.100 m³/h	1.600 m³/h	3.150 m³/h	1.400 m³/h	2.250 m³/h	4.300 m³/h	2.100 m³/h	3.400 m³/h	6.700 m³/h	2.800 m³/h	4.600 m³/h	3.800 m³/h	6.000 m³/h	5.600 m³/h	9.000 m³/h	8.000 m³/h	12.500 m³/h	11.000 m³/h	17.500 m³/h
Rotating speed	2.880 1/min	1.440 1/min	2.880 1/min	1.440 1/min	2.880 1/min	960 1/min	1.440 1/min	2.880 1/min	960 1/min	1.440 1/min	2.880 1/min	960 1/min	1.440 1/min	960 1/min	1.440 1/min	960 1/min	1.440 1/min	960 1/min	1.440 1/min	960 1/min	1.440 1/min
Impeller type	radial	radial	radial	radial	radial	radial	radial	radial	radial	radial	radial	radial	radial	radial	radial	radial	radial	radial	radial	radial	radial
Speed controllable	✔	✔	✔	✔	✔	✔	✔	✔	✔	✔	✔	✔	✔	✔	✔	✔	✔	✔	✔	✔	✔
Reversing capacity	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Type of voltage	Three-phase AC	Three-phase AC	Three-phase AC	Three-phase AC	Three-phase AC	Three-phase AC	Three-phase AC	Three-phase AC	Three-phase AC	Three-phase AC	Three-phase AC	Three-phase AC	Three-phase AC	Three-phase AC	Three-phase AC	Three-phase AC	Three-phase AC	Three-phase AC	Three-phase AC	Three-phase AC	Three-phase AC
Rated voltage	400 V	400 V	400 V	400 V	400 V	400 V	400 V	400 V	400 V	400 V	400 V	400 V	400 V	400 V	400 V	400 V	400 V	400 V	400 V	400 V	400 V
Frequency	50 Hz	50 Hz	50 Hz	50 Hz	50 Hz	50 Hz	50 Hz	50 Hz	50 Hz	50 Hz	50 Hz	50 Hz	50 Hz	50 Hz	50 Hz	50 Hz	50 Hz	50 Hz	50 Hz	50 Hz	50 Hz
Nominal output	180 W	120 W	370 W	180 W	750 W	180 W	250 W	1.500 W	180 W	370 W	2.200 W	250 W	550 W	370 W	1.100 W	550 W	2.200 W	1.500 W	4.000 W	2.200 W	5.500 W
I_nom	0,5 A	0,51 A	0,9 A	0,5 A	1,8 A	0,76 A	0,8 A	3,4 A	0,76 A	1,1 A	4,4 A	1 A	1,5 A	1,25 A	2,7 A	1,7 A	5,5 A	3,8 A	8,8 A	5,4 A	11,94 A
Degree of protection	IP 55	IP 55	IP 55	IP 55	IP 55	IP 55	IP 55	IP 55	IP 55	IP 55	IP 55	IP 55	IP 55	IP 55	IP 55	IP 55	IP 55	IP 55	IP 55	IP 55	IP 55
Insulation class	F	F	F	F	F	F	F	F	F	F	F	F	F	F	F	F	F	F	F	F	F
Pole-changeable	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Installation site	Duct connection	Duct connection	Duct connection	Duct connection	Duct connection	Duct connection	Duct connection	Duct connection	Duct connection	Duct connection	Duct connection	Duct connection	Duct connection	Duct connection	Duct connection	Duct connection	Duct connection	Duct connection	Duct connection	Duct connection	Duct connection
Installation position	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal
Housing material	Plastic, polyethylene	Plastic, polyethylene	Plastic, polyethylene	Plastic, polyethylene	Plastic, polyethylene	Plastic, polyethylene	Plastic, polyethylene	Plastic, polyethylene	Plastic, polyethylene	Plastic, polyethylene	Plastic, polyethylene	Plastic, polyethylene	Plastic, polyethylene	Plastic, polyethylene	Plastic, polyethylene	Plastic, polypropylene	Plastic, polypropylene	Plastic, polypropylene	Plastic, polypropylene	Plastic, polypropylene	Plastic, polypropylene
Impeller material	Plastic, polypropylene	Plastic, polypropylene	Plastic, polypropylene	Plastic, polypropylene	Plastic, polypropylene	Plastic, polypropylene	Plastic, polypropylene	Plastic, polypropylene	Plastic, polypropylene	Plastic, polypropylene	Plastic, polypropylene	Plastic, polypropylene	Plastic, polypropylene	Plastic, polypropylene	Plastic, polypropylene	Plastic, polypropylene	Plastic, polypropylene	Plastic, polypropylene	Plastic, polypropylene	Plastic, polypropylene	Plastic, polypropylene
Colour	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black
Weight	17 kg	24 kg	24 kg	33 kg	33 kg	45 kg	45 kg	45 kg	51 kg	51 kg	51 kg	47 kg	47 kg	61 kg	61 kg	77 kg	77 kg	120 kg	120 kg	131 kg	131 kg
Weight including packaging	40 kg	47 kg	47 kg	56 kg	56 kg	68 kg	68 kg	68 kg	74 kg	74 kg	74 kg	70 kg	70 kg	84 kg	84 kg	100 kg	100 kg	143 kg	143 kg	154 kg	154 kg
Size	200 mm	250 mm	250 mm	280 mm	280 mm	310 mm	310 mm	310 mm	350 mm	350 mm	350 mm	400 mm	400 mm	450 mm	450 mm	500 mm	500 mm	560 mm	560 mm	630 mm	630 mm
Width	408 mm	440 mm	440 mm	475 mm	475 mm	530 mm	530 mm	530 mm	567 mm	567 mm	567 mm	532 mm	532 mm	617 mm	617 mm	730 mm	730 mm	760 mm	760 mm	887 mm	887 mm
Height	400 mm	500 mm	500 mm	560 mm	560 mm	640 mm	640 mm	640 mm	715 mm	715 mm	715 mm	790 mm	790 mm	880 mm	880 mm	955 mm	955 mm	1.045 mm	1.045 mm	1.200 mm	1.200 mm
Depth	373 mm	453 mm	453 mm	515 mm	515 mm	560 mm	560 mm	560 mm	597 mm	597 mm	597 mm	675 mm	675 mm	850 mm	850 mm	840 mm	840 mm	930 mm	930 mm	1.110 mm	1.110 mm
Width with packaging	1.200 mm	1.200 mm	1.200 mm	1.200 mm	1.200 mm	1.200 mm	1.200 mm	1.200 mm	1.200 mm	1.200 mm	1.200 mm	1.200 mm	1.200 mm	800 mm	800 mm	800 mm	800 mm	800 mm	800 mm	970 mm	970 mm
Height with packaging	800 mm	800 mm	800 mm	800 mm	800 mm	800 mm	800 mm	800 mm	800 mm	800 mm	800 mm	940 mm	940 mm	1.200 mm	1.200 mm	1.200 mm	1.200 mm	1.200 mm	1.200 mm	1.460 mm	1.460 mm
Depth with packaging	550 mm	650 mm	620 mm	710 mm	710 mm	790 mm	790 mm	790 mm	870 mm	870 mm	870 mm	800 mm	800 mm	1.030 mm	1.030 mm	1.180 mm	1.180 mm	1.270 mm	1.270 mm	1.200 mm	1.200 mm
EX designation in accordance with the ATEX Directive	Ex II 3 G	Ex II 3 G	Ex II 3 G	Ex II 3 G	Ex II 3 G	Ex II 3 G	Ex II 3 G	Ex II 3 G	Ex II 3 G	Ex II 3 G	Ex II 3 G	Ex II 3 G	Ex II 3 G	Ex II 3 G	Ex II 3 G	Ex II 3 G	Ex II 3 G	Ex II 3 G	Ex II 3 G	Ex II 3 G	Ex II 3 G
EX designation in accordance with standard	Ex db IIB+H2 T4 Gb X / Ex h IIB+H2 T4 Gb X	Ex db IIB+H2 T4 Gb X / Ex h IIB+H2 T4 Gb X	Ex db IIB+H2 T4 Gb X / Ex h IIB+H2 T4 Gb X	Ex db IIB+H2 T4 Gb X / Ex h IIB+H2 T4 Gb X	Ex db IIB+H2 T4 Gb X / Ex h IIB+H2 T4 Gb X	Ex db IIB+H2 T4 Gb X / Ex h IIB+H2 T4 Gb X	Ex db IIB+H2 T4 Gb X / Ex h IIB+H2 T4 Gb X	Ex db IIB+H2 T4 Gb X / Ex h IIB+H2 T4 Gb X	Ex db IIB+H2 T4 Gb X / Ex h IIB+H2 T4 Gb X	Ex db IIB+H2 T4 Gb X / Ex h IIB+H2 T4 Gb X	Ex db IIB+H2 T4 Gb X / Ex h IIB+H2 T4 Gb X	Ex db IIB+H2 T4 Gb X / Ex h IIB+H2 T4 Gb X	Ex db IIB+H2 T4 Gb X / Ex h IIB+H2 T4 Gb X	Ex db IIB+H2 T4 Gb X / Ex h IIB+H2 T4 Gb X	Ex db IIB+H2 T4 Gb X / Ex h IIB+H2 T4 Gb X	Ex db IIB+H2 T4 Gb X / Ex h IIB+H2 T4 Gb X	Ex db IIB+H2 T4 Gb X / Ex h IIB+H2 T4 Gb X	Ex db IIB+H2 T4 Gb X / Ex h IIB+H2 T4 Gb X	Ex db IIB+H2 T4 Gb X / Ex h IIB+H2 T4 Gb X	Ex db IIB+H2 T4 Gb X / Ex h IIB+H2 T4 Gb X	Ex db IIB+H2 T4 Gb X / Ex h IIB+H2 T4 Gb X
Ta ambient temperature	-20 °C ≤ Ta ≤ +40 °C	-20 °C ≤ Ta ≤ +40 °C	-20 °C ≤ Ta ≤ +40 °C	-20 °C ≤ Ta ≤ +40 °C	-20 °C ≤ Ta ≤ +40 °C	-20 °C ≤ Ta ≤ +40 °C	-20 °C ≤ Ta ≤ +40 °C	-20 °C ≤ Ta ≤ +40 °C	-20 °C ≤ Ta ≤ +40 °C	-20 °C ≤ Ta ≤ +40 °C	-20 °C ≤ Ta ≤ +40 °C	-20 °C ≤ Ta ≤ +40 °C	-20 °C ≤ Ta ≤ +40 °C	-20 °C ≤ Ta ≤ +40 °C	-20 °C ≤ Ta ≤ +40 °C	-20 °C ≤ Ta ≤ +40 °C	-20 °C ≤ Ta ≤ +40 °C	-20 °C ≤ Ta ≤ +40 °C	-20 °C ≤ Ta ≤ +40 °C	-20 °C ≤ Ta ≤ +40 °C	-20 °C ≤ Ta ≤ +40 °C
Operating mode	S1	S1	S1	S1	S1	S1	S1	S1	S1	S1	S1	S1	S1	S1	S1	S1	S1	S1	S1	S1	S1
PTC DIN 44082	M 100	M 100	M 100	M 100	M 100	M 100	M 100	M 100	M 100	M 100	M 100	M 100	M 100	M 100	M 100	M 100	M 100	M 100	M 100	M 100	M 100
Temperature class	T4	T4	T4	T4	T4	T4	T4	T4	T4	T4	T4	T4	T4	T4	T4	T4	T4	T4	T4	T4	T4
Packing unit	1 piece	1 piece	1 piece	1 piece	1 piece	1 piece	1 piece	1 piece	1 piece	1 piece	1 piece	1 piece	1 piece	1 piece	1 piece	1 piece	1 piece	1 piece	1 piece	1 piece	1 piece
Range	C	C	C	C	C	C	C	C	C	C	C	C	C	C	C	C	C	C	C	C	C
GTIN (EAN)	4012799734413	4012799734437	4012799734420	4012799734451	4012799734444	4012799734482	4012799734475	4012799734468	4012799734512	4012799734505	4012799734499	4012799734536	4012799734529	4012799734550	4012799734543	4012799734574	4012799734567	4012799734598	4012799734581	4012799734611	4012799734604
Material	not specified	not specified	not specified	not specified	not specified	not specified	not specified	not specified	not specified	not specified	not specified	not specified	not specified	not specified	not specified	Plastic, polyethylene	Plastic, polyethylene	Plastic, polyethylene	Plastic, polyethylene	Plastic, polyethylene	Plastic, polyethylene

* Blue markings show the differences between the products.