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Indirect ventilation - THG30.AK and GWK
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HomeDrive SystemsDrive systems for poly greenhousesDrive systems for ventilationContinuous ridge ventilation indirect

Indirect ventilation - THG30.AK and GWK

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Continuous ridge ventilation is a natural form of ventilation where windows hinge in the ridge along the entire length of the poly greenhouse. A drive tube with rack and pinion units that opens or closes the window runs parallel to the ridge. The drive tube is driven by a self-locking worm gearbox which is driven by a high-speed motor gearbox. A THG30 distribution box provides the transmission between the motor gearbox and the worm gearbox.

  • Fewer motor gearboxes required.
  • Various matching gear racks and options available.
  • Gear racks protected against run-out and blow-out.
  • Limited electrical installation.
  • Very reliable.

GW motor gearbox

ArticleDescriptionT (50/60Hz) [Nm]n (50/60Hz) [rpm]L [mm]D [mm]P (50/60Hz) [kW]I (@ Y) (50/60Hz) [A]I (@ Δ) (50/60Hz) [A]m [kg]
P.GW20.400.300.KWGW20 30.0 3ph 400V with CW+CH 08B z16200 / 16030 / 362421591,50 / 1,803,4 / 4,15,9 / 7,135
Article number
P.GW20.400.300.KW
Description
GW20 30.0 3ph 400V with CW+CH 08B z16
T (50/60Hz) [Nm]
200 / 160
n (50/60Hz) [rpm]
30 / 36
L [mm]
242
D [mm]
159
P (50/60Hz) [kW]
1,50 / 1,80
I (@ Y) (50/60Hz) [A]
3,4 / 4,1
I (@ Δ) (50/60Hz) [A]
5,9 / 7,1
m [kg]
35

Mounting plate angled

ArticleDescriptionA [mm]A [mm]m [kg]
P.MP.GW.H.A81.03Mounting plate GW Angled A81 H92 icm THG30.AK81811,9
Article number
P.MP.GW.H.A81.03
Description
Mounting plate GW Angled A81 H92 icm THG30.AK
A [mm]
81
A [mm]
81
m [kg]
1,9

Adapter bush THG30

ArticleDescriptionL [mm]m [kg]
P.BS11.05.SL08EZAdapter bush THG30.AK D35 d11 L36360.2
P.BS11.06.SL08EZAdapter bush THG30.AK D35 d11 L30300.2
Article number
P.BS11.05.SL08EZ
Description
Adapter bush THG30.AK D35 d11 L36
L [mm]
36
m [kg]
0.2
Article number
P.BS11.06.SL08EZ
Description
Adapter bush THG30.AK D35 d11 L30
L [mm]
30
m [kg]
0.2

Distribution box

ArticleDescriptionTmax [Nm]i [-]m [kg]
P.THG30.AK.L.KRK.RTHG30 distribution box and KRK right horizontal501:12.75
P.THG30.AK.L.KRK.LTHG30 distribution box and KRK left horizontal501:12.75
Article number
P.THG30.AK.L.KRK.R
Description
THG30 distribution box and KRK right horizontal
Tmax [Nm]
50
i [-]
1:1
m [kg]
2.75
Article number
P.THG30.AK.L.KRK.L
Description
THG30 distribution box and KRK left horizontal
Tmax [Nm]
50
i [-]
1:1
m [kg]
2.75

Weld joint

ArticleDescriptionD1 [mm]D2 [mm]L1 [mm]L2 [mm]m [kg]
P.LT100.021" Weld joint for univ.joint with hole Ø9272072520,3
Article number
P.LT100.02
Description
1" Weld joint for univ.joint with hole Ø9
D1 [mm]
27
D2 [mm]
20
L1 [mm]
72
L2 [mm]
52
m [kg]
0,3

Worm gearbox

ArticleDescriptionTin [Nm]Nozzle [Nm]i [-]m [kg]
P.GWK240.KWGWK240 worm gearbox L/R with CW+CH 10B z1619,524035:111
P.GWK400.KWGWK400 worm gearbox L/R with CW+CH 10B z1632,540035:111
Article number
P.GWK240.KW
Description
GWK240 worm gearbox L/R with CW+CH 10B z16
Tin [Nm]
19,5
Nozzle [Nm]
240
i [-]
35:1
m [kg]
11
Article number
P.GWK400.KW
Description
GWK400 worm gearbox L/R with CW+CH 10B z16
Tin [Nm]
32,5
Nozzle [Nm]
400
i [-]
35:1
m [kg]
11

Mounting plate GW straight

ArticleArticle nameA [mm]L [mm]m [kg]
P.MP.GW.R.A163Mounting plate GW straight A163 L1741631741,2
Article number
P.MP.GW.R.A163
Article name
Mounting plate GW straight A163 L174
A [mm]
163
L [mm]
174
m [kg]
1,2

Sleeve sprockets

ArticleDescriptionChainShaftTmax [Nm]D2 [mm]L [mm]m [kg]
P.KWL08B.Z16.S20Sleeve sprocket 08B z16 - S2008B z16S2024077280,4
Article number
P.KWL08B.Z16.S20
Description
Sleeve sprocket 08B z16 - S20
Chain
08B z16
Shaft
S20
Tmax [Nm]
240
D2 [mm]
77
L [mm]
28
m [kg]
0,4

Sleeve joint

ArticleDescriptionTmax [Nm]D1 [mm]D3 [mm]L1 [mm]L4 [mm]m [kg]
P.KK08B.Z16.S20.D100Sleeve joint CC set 1" Z16 S20 D1002407734,228620,9
Article number
P.KK08B.Z16.S20.D100
Description
Sleeve joint CC set 1" Z16 S20 D100
Tmax [Nm]
240
D1 [mm]
77
D3 [mm]
34,2
L1 [mm]
28
L4 [mm]
62
m [kg]
0,9

Weld sprockets

ArticleDescriptionChainShaftTmax [Nm]Db [mm]D [mm]L [mm]m [kg]
P.LKWL08B.Z16.D100Weld sprocket 08B z16 - 1"08B z16D1002403477270,3
P.LKWL10B.Z16.D100Weld sprocket 10B z16 - 1" and 2"10B z16D1004203496300,5
Article number
P.LKWL08B.Z16.D100
Description
Weld sprocket 08B z16 - 1"
Chain
08B z16
Shaft
D100
Tmax [Nm]
240
Db [mm]
34
D [mm]
77
L [mm]
27
m [kg]
0,3
Article number
P.LKWL10B.Z16.D100
Description
Weld sprocket 10B z16 - 1" and 2"
Chain
10B z16
Shaft
D100
Tmax [Nm]
420
Db [mm]
34
D [mm]
96
L [mm]
30
m [kg]
0,5

Tube bolt sprocket

ArticleDescriptionChainShaftTmax [Nm]Db [mm]D [mm]L [mm]m [kg]
P.BBKWL08B.Z16.D100Tube bolt sprocket 08B z16 - 1"08B z16D10024034771500,5
P.BBKWL10B.Z16.D100Tube bolt sprocket 10B z16 - 1"10B z16D10042034961500,8
Article number
P.BBKWL08B.Z16.D100
Description
Tube bolt sprocket 08B z16 - 1"
Chain
08B z16
Shaft
D100
Tmax [Nm]
240
Db [mm]
34
D [mm]
77
L [mm]
150
m [kg]
0,5
Article number
P.BBKWL10B.Z16.D100
Description
Tube bolt sprocket 10B z16 - 1"
Chain
10B z16
Shaft
D100
Tmax [Nm]
420
Db [mm]
34
D [mm]
96
L [mm]
150
m [kg]
0,8

Tube bolt chain coupling

ArticleDescriptionTmax [Nm]D2 [mm]D3 [mm]L1 [mm]L3 [mm]m [kg]
P.BBKK08B.D25.D100Tube bolt CC set 08B D25 z16 1" GW(K)24035,077401501,2
Article number
P.BBKK08B.D25.D100
Description
Tube bolt CC set 08B D25 z16 1" GW(K)
Tmax [Nm]
240
D2 [mm]
35,0
D3 [mm]
77
L1 [mm]
40
L3 [mm]
150
m [kg]
1,2

Sleeve joint coupling

ArticleDescriptionTypeDb [mm]D [mm]m [kg]
P.SLK100Sleeve joint coupling 1" - S20S2034,5400,2
Article number
P.SLK100
Description
Sleeve joint coupling 1" - S20
Type
S20
Db [mm]
34,5
D [mm]
40
m [kg]
0,2

Rack box

ArticleDescriptionT [Nm]s [mm/rpm]Usagem [kg]
P.THG30.UNIT.UTHG30 Universal10,4138,23Intens0,43
P.THG30.UNIT.U.KTHG30 gearcase Universal (plastic)8,1138,23Licht0,41
Artikelnummer
P.THG30.UNIT.U
Description
THG30 Universal
T [Nm]
10,4
s [mm/rpm]
138,23
Usage
Intens
m [kg]
0,43
Artikelnummer
P.THG30.UNIT.U.K
Description
THG30 gearcase Universal (plastic)
T [Nm]
8,1
s [mm/rpm]
138,23
Usage
Licht
m [kg]
0,41

Gear rack

ArticleDescriptionF [N]L [mm]B [mm]D [mm]m [kg]
P.THG30.2.L1250THG30 rack 2 mm L=1250 mm35012502321,3
P.THG30.2.L1451THG30 rack 2 mm L=1451 mm35014512321,5
P.THG30.2.L1652THG30 rack 2 mm L=1652 mm35016522321,7
P.THG30.3.L1250THG30 rack 3 mm L=1250 mm45012502531,9
P.THG30.3.L1451THG30 rack 3 mm L=1451 mm45014512532,2
P.THG30.3.L1652THG30 rack 3 mm L=1652 mm45016522532,5
P.THG30.3.L1953THG30 rack 3 mm L=1953 mm45019532533,0
Article number
P.THG30.2.L1250
Description
THG30 rack 2 mm L=1250 mm
F [N]
350
L [mm]
1250
B [mm]
23
D [mm]
2
m [kg]
1,3
Article number
P.THG30.2.L1451
Description
THG30 rack 2 mm L=1451 mm
F [N]
350
L [mm]
1451
B [mm]
23
D [mm]
2
m [kg]
1,5
Article number
P.THG30.2.L1652
Description
THG30 rack 2 mm L=1652 mm
F [N]
350
L [mm]
1652
B [mm]
23
D [mm]
2
m [kg]
1,7
Article number
P.THG30.3.L1250
Description
THG30 rack 3 mm L=1250 mm
F [N]
450
L [mm]
1250
B [mm]
25
D [mm]
3
m [kg]
1,9
Article number
P.THG30.3.L1451
Description
THG30 rack 3 mm L=1451 mm
F [N]
450
L [mm]
1451
B [mm]
25
D [mm]
3
m [kg]
2,2
Article number
P.THG30.3.L1652
Description
THG30 rack 3 mm L=1652 mm
F [N]
450
L [mm]
1652
B [mm]
25
D [mm]
3
m [kg]
2,5
Article number
P.THG30.3.L1953
Description
THG30 rack 3 mm L=1953 mm
F [N]
450
L [mm]
1953
B [mm]
25
D [mm]
3
m [kg]
3,0

Rack bending inside/outside

ArticleDescriptionR [mm]
P.THG30.R1000.BUITHG30 bend R=1000 outside1000
P.THG30.R1000.BINTHG30 bend R=1000 inside1000
Article number
P.THG30.R1000.BUI
Description
THG30 bend R=1000 outside
R [mm]
1000
Article number
P.THG30.R1000.BIN
Description
THG30 bend R=1000 inside
R [mm]
1000

Window bracket

ArticleArticle namem [kg]
P.THG30.RBTHG30 aluminium window bracket0,06
Article number
P.THG30.RB
Article name
THG30 aluminium window bracket
m [kg]
0,06

Slide bearing plate

ArticleDescriptionA [mm]L [mm]m [kg]
P.GL100.R.L120Slide bearing plate 1" R A72 L120 mm721200,17
P.GL100.R.L140Slide bearing plate 1" R A92 L140 mm921400,19
P.GL100.R.L200Slide bearing plate 1" R A152 L200 mm1522000,26
Article number
P.GL100.R.L120
Description
Slide bearing plate 1" R A72 L120 mm
A [mm]
72
L [mm]
120
m [kg]
0,17
Article number
P.GL100.R.L140
Description
Slide bearing plate 1" R A92 L140 mm
A [mm]
92
L [mm]
140
m [kg]
0,19
Article number
P.GL100.R.L200
Description
Slide bearing plate 1" R A152 L200 mm
A [mm]
152
L [mm]
200
m [kg]
0,26

Drive systems for ventilation

Controlled ventilation is a must for an optimal climate in poly greenhouses. Ventilation is realised by means of continuous windows in the ridge of the greenhouse or by roll-up walls. We have the knowledge, expertise and extensive product range to contribute to an optimal climate for the best results.

Continuous ridge ventilation direct
Continuous ridge ventilation direct
Continuous ridge ventilation indirect
Continuous ridge ventilation indirect
Winding ventilation
Winding ventilation

De Gier Drive Systems
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