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general purpose manual connect couplings |
SafeWay’s S20 Series is a general purpose, double
shut-off, fluid transfer quick coupling available with
either a rugged ball valve or leak-free, high flow
poppet valve. The S20 Series is used primarily on
agricultural equipment and is recognized as an
economical and reliable quick coupling. This series
is original equipment on snow plows, garden tractors,
full size tractors, front-end loaders, skid-steer
loaders, earth moving, and mining equipment.
DOWNLOAD S20 PDF (868 KB)
VIEW CAD DRAWINGS
REQUEST INFORMATION ON MANUAL CONNECT COUPLINGS
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1/2" body size meets dimensional requirements of
International Standard 5675. |
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Available in body sizes from 1/4" through 1", in a variety of
thread sizes and styles. |
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Double shut-off design available with either a rugged ball valve
or leak-free, high flow poppet valve. |
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All poppet valve models are 100% leak tested before leaving
the factory. |
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Reliable and durable ball locking mechanism provides smooth
operation time after time. |
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Critical parts are hardened for long service life. |
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SafeWay began a running change from zinc and
yellow chromate plating (gold appearance) to ROHS
compliant plating (silver appearance) in 2007. |
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One-way sleeve design allows implement break-away when
the coupling is clamp mounted. |
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Interchangeable half-for-half with the Parker/Pioneer
4000 Series. |
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Referred to as “old reliable” by hands-on users. |
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Heavy-duty dust plugs and dust caps available. |
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Heavy-duty double break-away clamp available. |
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Method of obtaining and presenting performance data
conforms to ANSI/(NFPA)T3.20.2.R2, Hydraulic fluid power
- Quick-action couplings - Test methods. |
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Performance Data
| part numbers |
description |
operating pressure |
rated flow |
complete
coupler |
female
body half |
male
tip half |
Body
Size |
Thread Size and Description |
Maximum |
|
| PSI |
(bar) |
gpm |
(lpm) |
| S20A-2 |
S25A-2 |
S41-2 |
1/4" |
1/4" Female Pipe |
3,000 |
(207) |
3 |
(12) |
| S20A-2P |
S25A-2P |
S41-2P |
1/4" |
1/4" Female Pipe |
3,000 |
(207) |
3 |
(12) |
| S20-3 |
S25-3 |
S41-3 |
3/8" |
3/8" Female Pipe |
3,000 |
(207) |
6 |
(23) |
| S20-3P |
S25-3P |
S41-3P |
3/8" |
3/8" Female Pipe |
3,000 |
(207) |
6 |
(23) |
| S20-4 |
S25-4 |
S71-4 |
1/2" |
1/2" Female Pipe |
3,000 |
(207) |
12 |
(45) |
| S20-4P |
S25-4P |
S71-4P |
1/2" |
1/2" Female Pipe |
3,000 |
(207) |
12 |
(45) |
| S20-4P-BSP |
S25-4P-BSP |
S561-4-BSP |
1/2" |
G 1/2" BSPP Female |
4,000 |
(276) |
12 |
(45) |
| S20-15 |
S25-15 |
S71-15 |
1/2" |
3/4"-16 Female ORB |
3,000 |
(207) |
12 |
(45) |
| S20-15P |
S25-15P |
S71-15P |
1/2" |
3/4"-16 Female ORB |
3,000 |
(207) |
12 |
(45) |
| S20-16 |
S25-16 |
S71-16 |
1/2" |
7/8"-14 Female ORB |
3,000 |
(207) |
12 |
(45) |
| S20-16P |
S25-16P |
S71-16P |
1/2" |
7/8"-14 Female ORB |
3,000 |
(207) |
12 |
(45) |
| S20F-6 |
S25F-6 |
S21F-6 |
3/4" |
3/4" Female Pipe |
3,000 |
(207) |
28 |
(106) |
| S20-8P |
S25-8P |
S21-8P |
1" |
1" Female Pipe |
3,000 |
(207) |
50 |
(189) |
Temperature Range: Standard Seals (Buna-N) -40° to +250° F Viton® Option -15° to +450° F Other Seals Available
Vacuum Data: 27.4 inches Hg. both connected and disconnected — all sizes.
Viton® is a registered trademark of DuPont Dow Elastomers.
Pressure rating (Max. Operating Pressure) is based on Non-Pulsating, Low Cycle applications with essentially steady pressure during the operating cycle.
Please consult factory regarding other applications.
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| general purpose agricultural o.e.m. couplings |
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| dimensions (inches) |
complete
coupler number |
overall
length |
body
length |
diameter |
wrench flat |
diameter |
tip length |
diameter |
hex |
| A |
B |
c |
d |
e |
f |
g |
h |
| S20A-2 |
2.52 |
1.94 |
1.06 |
.87 |
.88 |
1.32 |
.86 |
.75 |
| S20A-2P |
2.52 |
1.94 |
1.06 |
.87 |
.88 |
1.37 |
.86 |
.75 |
| S20-3 |
3.03 |
2.31 |
1.32 |
.87 |
1.00 |
1.58 |
1.08 |
.94 |
| S20-3P |
3.03 |
2.31 |
1.32 |
.87 |
1.00 |
1.67 |
1.08 |
.94 |
| S20-4 |
3.66 |
2.68 |
1.50 |
1.00 |
1.17 |
1.94 |
1.22 |
1.06 |
| S20-4P |
3.66 |
2.68 |
1.50 |
1.00 |
1.17 |
1.96 |
1.22 |
1.06 |
| S20-4P-BSP |
3.66 |
2.68 |
1.50 |
1.00 |
1.17 |
1.88 |
1.23 |
1.06 |
| S20-15 |
3.66 |
2.68 |
1.50 |
1.00 |
1.17 |
1.94 |
1.22 |
1.06 |
| S20-15P |
3.66 |
2.68 |
1.50 |
1.00 |
1.17 |
1.96 |
1.22 |
1.06 |
| S20-16 |
3.66 |
2.68 |
1.50 |
1.00 |
1.17 |
1.94 |
1.22 |
1.06 |
| S20-16P |
3.66 |
2.68 |
1.50 |
1.00 |
1.17 |
1.96 |
1.22 |
1.06 |
| S20F-6 |
4.02 |
3.02 |
1.88 |
1.31 |
1.49 |
2.15 |
1.52 |
1.38 |
| S20-8P |
4.52 |
3.43 |
2.07 |
1.62 |
1.86 |
2.49 |
1.88 |
1.62 |
Also see accessories for the S20 Series. |
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