A-50
Pioneer
The Farmer’s Choice
1/8”
1/4”
3/8”
1/2”
5/8”
3/4”
1”
1-1/4”
1-1/2”
Quick Couplings
Parker Hannifin Corporation
Pioneer Products Group
Minneapolis, MN
www.parker.com/quickcouplings
Catalog 3900 - Hydraulic Couplings
High Flow
ST Series non-valved couplings provide maximum flow and
low pressure drop. The smooth, open bore allows easy
cleaning in applications where the same lines are used for
more than one media.
Features
•
Steel nipples are case hardened for resistance to Brinelling
•
Functionally interchanges with similar straight-through
design couplings
•
Standard Nitrile seals
•
Material options available
Applications:
•
High pressure water
•
Steam washers
•
Carpet cleaners
Performance
Specifications
Body
Size
Rated Pressure (psi)
Brass Coupler/Nipple
Rated Pressure (psi)
Brass Coupler/Steel Nipple
Rated Pressure (psi)
SS Coupler/Nipple
Temperature Range
(
standard seals)
Rated Flow
1/8
2500
2600
4200
-40
º to +250º F
3
1/4
5200
5500
6700
6
3/8
2700
3500
5500
12
1/2
2200
2700
3000
12
3/4
1700
2700
3000
28
1
1200
2000
1700
50
1-1/4
1700
–
–
76
1-1/2
1400
–
–
100
ST Series (3/4", 1", 1-1/4")
Test Fluid: Oil - 150 SUS
0
1
2
3
4
5
0
20
40
60
80
100
Flow in USGPM
Pressure Drop in PSID
3/4"
1"
1-1/4"
ST Series (1/8", 1/4", 3/8", 1/2")
Test Fluid: Oil - 150 SUS
0
2
4
6
8
10
12
0
2
4
6
8
10
12
14
16
18
Flow in USGPM
Pressure Drop in PSID
1/8"
1/4"
3/8"
1/2"
ST Series
Straight-through Interface
Non-valved, manual sleeve