B-79
Parker Hannifin Corporation
Quick Coupling Division
Minneapolis, MN
www.parker.com/quickcouplings
B
Hydraulics
ST Series Couplers - Male Pipe Thread
Body
Size
Brass
Part Number
303
Stainless
Part Number
Port End
Length
Largest
Diameter
Wrench
Flats
Brass
Weight (lbs.)
Stainless
Weight (lbs.)
1/8
BST-1M
SST-1M 1/8-27 NPTF
1.06
0.69
0.56
0.05
0.05
1/4
BST-2M
SST-2M 1/4-18 NPTF
1.69
0.94
0.81
0.13
0.16
3/8
BST-3M
SST-3M 3/8-18 NPTF
1.75
1.16
1.00
0.25
1.16
1/2
BST-4M
SST-4M 1/2-14 NPTF
1.94
1.30
1.13
0.34
1.30
3/4
BST-6M
SST-6M 3/4-14 NPTF
2.17
1.66
1.44
–
1.66
1
BST-8M
SST-8M 1-11 1/2 NPTF
2.53
2.02
1.75
0.85
2.02
ST Series Couplers - Female Pipe Thread
Body
Size
Brass
Part Number
303
Stainless
Part Number
Port End
Length
Largest
Diameter
Wrench
Flats
Brass
Weight (lbs.)
Stainless
Weight (lbs.)
1/8
BST-1
SST-1
1/8-27
NPTF
1.06
0.69
0.56
0.06
0.05
1/4
BST-2
SST-2
1/4-18
NPTF
1.54
0.94
0.81
0.17
0.15
3/8
BST-3
SST-3
3/8-18
NPTF
1.64
1.16
1.00
0.26
0.24
1/2
BST-4
SST-4
1/2-14
NPTF
1.98
1.30
1.13
0.40
0.37
3/4
BST-6
SST-6
3/4-14
NPTF
2.15
1.66
1.44
0.62
0.57
1
BST-8
SST-8
1-11 1/2
NPTF
2.43
2.02
1.75
0.99
0.93
1-1/4
BST-10
–
1 1/4-11 1/2
NPTF
2.44
2.51
2.00
1.38
–
1-1/2
BST-12
–
1 1/2-11 1/2
NPTF
2.88
3.00
2.50
2.43
–
ST Series
Straight-through Interface
Non-valved, manual sleeve
Hydraulic Quick Couplings
High Flow
Contact QCD for availability and additional options.
To select proper seal materials, see Fluid Compatibility Chart or contact QCD.
Code
Description
Part Number Example
suffix
-
SL
Sleeve-Lok (Couplers)
SST-3M-SL
suffix
W
Ethylene Propylene seal material- EPR (Couplers)
SST-3MW
suffix
Y
Fluorocarbon seal material (Couplers)
SST-3MY
suffix
Z
Neoprene seal material (Couplers)
SST-3MZ
Optional Materials and Features:
(
add code to part number)