2020 Ronstan Sailboat Hardware Catalogue - Page 243



INDUSTRIAL PULLEY BLOCKS
Series 75
241
RF618H
RZ1707
RZ1710
RZ1000
30°
30°
60
RZ1000AW
Load rated.
Fully articulating head/attachment.
Easy to service removable sheaves
(bolt & nylon-insert nut).
Durable, low friction acetal polymer sheave.
PRODUCT No.
DESCRIPTION
Industrial Pulley Blocks
RZ1707
Single block, becket, 30º cleat, swivel shackle head
RZ1710
Triple block, becket, 30º cleat, swivel shackle head
PRODUCT No.
DESCRIPTION
Heavy duty aluminium sheave models available (‘AW’
suffix) or by conversion with RZ1000AW sheave.
Grade 316 stainless steel side plate/cheeks, powder
coated black.
Blocks available to order with clevis pin and retaining
ring shackle head.
Fibre reinforced polymer rope cleats.
UV stabilised acetal sheaves.
Grade 316 stainless steel head, shackle
and fasteners.
Aluminium sheave on ‘AW’ models.
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
75
75
14
14
8
8
1500*1
1500*1
3000
3000
955
1565
3
3
9/16
9/16
5/16
5/16
3300*1
3300*1
6600
6600
33.7
55.2
SHEAVE
DIAM.
mm
MAX.
WIRE
mm
MAX.
ROPE
mm
M.W.L.
kg
B.L.
kg
WEIGHT
g
SHEAVE
DIAM.
in
MAX.
WIRE
in
MAX.
ROPE
in
M.W.L.
lb
B.L.
lb
WEIGHT
oz
Accessories
RF618H
Shackle, 7.9mm (5/16”) diameter screw pin
with security wire hole
-
-
-
1500*2
3300*2
50
-
-
-
3300*2
6600*2
1.5
RZ1000
RZ1000AW
Sheave, acetal (POM)
Sheave, aluminium with solid brass bearing
75
75
8
14
-
-
-
70
180
3
3
9/16
9/16
-
-
-
2.5
6.4
*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 shackle pin. See page 202 for full details.

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