Roof fans ВКВРМ

№3,55	№4
№4,5	№5
№5,6	№6,3
№7,1	№8
№9	№10
№11,2	№12,5

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General information

• Low and medium pressure

• One-side suction

• Number of blades 6 and 9

• Impeller with backward curved blades

• An be equipped with valves, trays, glasses

• Konstruktsuiya roof fans is completely protected from rain amosfernyh

• Lack of moisture through the fan inside the room depends largely on the quality of its installation and

qualification of the installer

Roof fans ВКРВмare applied in the stationary ventilating systems as sanitary and industrial units installed on roofs of the buildings. Roof smoke exhaust fans are designated for displacement of smokeand-air mixtures generated during fire out of a building.

Specifications of roof fans ВКРВм

Fan No.	Number of blades	Electric motor	Capacity 10³ х m³/hour	Total pressure, Pa	Weight, kg
№3,55	6	0,251500*	0,5-2,4	250?0	98
	6	2,23000*	1-4,8	1160?0	107
	9	0,371500*	0,6-2,85	252?0	98
	9	33000*	1,2-6,1	1160?0	111
№4	6	0,551500*	1-3,7	320?0	98
	6	33000*	2-7,8	1400?0	109
	9	0,751500*	0,9-4,3	365?0	100
	9	5,53000*	1,8-8,6	1460?0	126
№4,5	6	0,751500*	1,2-5,3	470?0	153
	6	7,53000*	3,2-11,2	1920?0	184
	9	1,11500*	1,4-6,2	470?0	157
	9	113000*	2,8-12,4	1950?0	213
№5	6	1,51500*	2,2-7,6	590?0	150
№5	9	2,21500*	2,2-8,8	580?0	155
№5,6	6	0,751000*	2-7	300?0	188
	6	2,21500*	3-10,4	700?0	194
	9	1,11000*	2-8,4	320?0	192
	9	31500*	3-12,4	730?0	201
№6,3	6	1,11000*	2,8-10	395?0	202
	6	41500*	4,4-15,5	960?0	219
	9	1,51000*	3-11,6	420?0	208
	9	5,51500*	8-18,2	960?0	235
№7,1	6	2,21000*	4-14,8	550?0	294
	6	7,51500*	6,1-22,1	1240?0	327
	9	31000*	4-17	550?0	314
	9	111500*	6,4-26	1240?0	386
№8	6	41000*	6-21	680?0	508
	6	151500*	6,4-32	1530?0	580
	9	3750*	4,5-19	400?0	494
		7,51000*	6-24,5	700?0	508
		22*1500	9-37,5	1610?0	590
№9	6	3750*	6-22	460?0	516
	6	7,51000*	7-30	860?0	575
	9	5,5750*	7-26	480?0	569
	9	111000*	8-36	900?0	615
№10	6	5,5750*	8-30	590?0	646
	6	151000*	12-41	1080?0	713
	9	7,5750*	9-37	640?0	686
	9	18,51000*	12-49	1120?0	738
№11,2	6	11750*	12-44	780?0	919
	6	221000*	16-58	1390?0	1040
	9	15750*	14-52	800?0	955
	9	301000*	16-69	1400?0	1075
№12,5	6	15750*	17-61	960?0	1181
№12,5	9	22750*	17-72	1000?0	1281

Mounted dimensions of roof fans ВКРВм

Overall and mounting dimensions of ВКРВм №3,55 – №12,5

Fan No.	Dimension , mm								N	N2
Fan No.	L	B	H	D	D2	D3	d	d2	N	N2
№3,55	985	570	725	595	430	345	16	M8	8	8
№4	983,6	570	763	595	430	375	16	M8	8	8
№4,5	1138	670	924	595	490	425	16	M8	8	8
№5	1138	670	803	595	490	425	16	M8	8	8
№5,6	1136,5	787	930	772	660	520	16	M8	8	8
№6,3	1370	787	1137	772	660	589	16	M8	8	8
№7,1	1565	895	1215	772	660	582	16	M8	8	8
№8	1971	1175	1397	1072	850	745	16	M8	8	8
№9	1971	1175	1397	1072	850	745	16	M8	8	8
№10	2215	1320	1531	1272	1040	915	19	M12	8	8
№11,2	2272	1372	1634	1272	1040	945	19	M12	8	8
№12,5	2505	1522	1750	1522	1310	1100	16	M12	8	12