2020 Ronstan Sailboat Hardware Catalogue - Page 241



INDUSTRIAL PULLEY BLOCKS
Series 60
RZ1600
239
RZ1603
RZ1611
RZ1607
RF617H
30°
30°
60°
Fixed
end
RZ1611
Moving
end
RZ1600
TYPICAL
PURCHASE
SYSTEMS
Ground based
operation
Fixed end
Fixed end
Fixed end
Fixed end
Single
Single,
becket
Double
Double,
becket
Triple
Triple,
becket
100
KG
pull
50
KG
pull
33
KG
pull
25
KG
pull
20
KG
pull
17
KG
pull
Single
Single,
becket
Double,
becket
Triple
Weight of tools or equipment
being raised or lowered
MECHANICAL
ADVANTAGE*
Load rated.
Fully articulating head/attachment.
Durable, low friction acetal polymer sheave.
Double
100
100
100
100
100Moving end
100
100
100
100
100
Moving end
100
100
100
100
100Moving end
1:1
2:1
3:1
KG
KG
KG
KG
KG
KG
KG
KG
KG
KG
KG
KG
KG
KG
KG
DESCRIPTION
Industrial Pulley Blocks
RF617H
Shackle, 6mm (1/4”) screw pin with security wire hole
RZ1600
Single block, swivel shackle head
RZ1603
Single block, becket, swivel shackle head
RZ1607
Single block, becket, 30cleat, swivel shackle head
RZ1611
Single block, becket, 60cleat, swivel shackle head
100
100
100
100
100 Moving end
KG
KG
KG
KG
KG
4:1
RZ1611 has a cleating angle of 60° from the
mounting plane and is ideal for ‘remote’ operation
as in the case of a ground based assistant raising
tools or equipment to an overhead worker.
Fixed end
100
100
100
100
100 Moving end
100
100
100
100
100 Moving end
KG
KG
KG
KG
KG
KG
KG
KG
KG
KG
5:1
6:1
Grade 316 stainless steel side plate/cheeks,
powder coated black.
Fibre reinforced polymer rope cleats.
Grade 316 stainless steel head, shackle,
becket and fastenings.
UV stabilised acetal sheaves.
PRODUCT No.
Fixed end
SHEAVE
DIAM.
mm
MAX.
ROPE
mm
PIN
DIAM.
mm
M.W.L.
kg
B.L.
kg
WEIGHT
g
SHEAVE
DIAM.
in
MAX.
ROPE
in
PIN
DIAM.
in
M.W.L.
lb
B.L.
lb
WEIGHT
oz
60
60
60
60
12
12
12
12
6
6
6
6
6
1000*2
1000
1000
1000*1
1000*1
2000*2
2000
2000
2000
2000
25
390
460
705
795
2 3/8
2 3/8
2 3/8
2 3/8
1/2
1/2
1/2
1/2
1/4
1/4
1/4
1/4
1/4
2200*2
2200
2200
2200*1
2200*1
4410*2
4410
4410
4410
4410
0.9
13.8
16.3
24.9
28.1
*1 Line load through cleat not to exceed 300kg (660lb).
*2 Uniformly distributed load on shackle; i.e. load applied across the full width of the shackle pin. See page 202 for full details.

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