Page 57 - ParkerQuickCouplingCatalog38002010

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Quick Coupling Division
8145 Lewis Road • Minneapolis, MN 55427
www.parker.com/quickcouplings
B-13
Hydraulic Quick Couplings
B
Hydraulics
General Purpose Couplings
SM Series
Couplers
Female Thread
Nipples
Female Thread
Optional Seals
C
B
A
G
F
E
D
Body
Part
Dimensions (in.)
Size
No.
Thread
Overall
Hex Largest
Wt. (LB.)
(in.)
Steel
Size
Length Size Diameter
P/Piece
A B
C
1/4
SM-251-4FP
1/4-18 NPTF
2.09 0.75 1.06
0.24
1/4
SM-251-4FB
G1/4 BSPP
2.24 0.75 1.06
0.26
1/4
SM-251-6FP
3/8-18 NPTF
2.24 0.94 1.06
0.28
1/4
SM-251-6FB
G3/8 BSPP
2.24 0.94 1.06
0.26
1/4
SM-251-6FO
9/16-18ORB
2.24 0.75 1.06
0.25
1/2
SM-501-8FP
1/2-14 NPTF
3.00 1.25 1.56
0.70
1/2
SM-501-8FB
G1/2 BSPP
3.00 1.25 1.56
0.74
1/2
SM-501-12FP
3/4-14 NPTF
3.07 1.37 1.56
0.81
1/2
SM-501-12FB
G3/4 BSPP
3.16 1.37 1.56
0.85
1/2
SM-501-8FO
3/4-16ORB
3.16 1.25 1.56
0.70
3/4
SM-751-12FO 1 1/16-12ORB
3.89 1.62 2.25
1.78
3/4
SM-751-12FP
3/4-14 NPTF
3.77 1.62 2.22
1.83
3/4
SM-751-12FB
G3/4 BSPP
3.89 1.62 2.22
1.88
3/4
SM-751-16FP 1-11 1/2 NPTF
3.98 1.62 2.22
1.84
3/4
SM-751-16FB
G 1 BSPP
3.98 1.62 2.22
1.89
3/4
SM-751-16FO 1-5/16-12ORB
3.98 1.62 2.22
1.89
Body
Part
Dimensions (in.)
Size
No.
Thread
Overall
Exposed*
Hex Largest
Wt. (LB.)
(in.)
Steel
Size
Length Length Size Diameter
P/Piece
D
E
F
G
1/4 SM-252-4FP 1/4-18 NPTF
1.49
0.50 0.75 0.87
0.08
1/4 SM-252-4FB G1/4 BSPP
1.64
0.65 0.75 0.87
0.09
1/4 SM-252-6FP 3/8-18 NPTF
1.64
0.81 0.94 1.08
0.14
1/4 SM-252-6FB G3/8 BSPP
1.64
0.81 0.94 1.08
0.14
1/4 SM-252-6FO 9/16-18ORB
1.64
0.55 0.75 0.87
0.08
1/2 SM-502-8FO 3/4-16ORB
2.14
0.72 1.06 1.23
0.16
1/2 SM-502-8FP 1/2-14 NPTF
2.01
0.45 1.06 1.23
0.15
1/2 SM-502-8FB G1/2 BSPP
2.01
0.60 1.06 1.23
0.18
1/2 SM-502-12FP 3/4-14 NPTF
2.31
0.90 1.37 1.59
0.30
1/2 SM-502-12FB G3/4 BSPP
2.63
1.07 1.37 1.59
0.34
3/4 SM-752-12FO 1 1/16-12ORB 2.60
0.39 1.50 1.73
0.48
3/4 SM-752-12FP 3/4-14 NPTF
2.48
0.39 1.50 1.73
0.52
3/4 SM-752-12FB G3/4 BSPP
2.60
0.53 1.50 1.73
0.56
3/4 SM-752-16FP 1-11 1/2 NPTF
2.69
0.67 1.62 1.88
0.56
3/4 SM-752-16FB G 1 BSPP
2.69
0.67 1.62 1.88
0.68
3/4 SM-752-16FO 1-5/16-12ORB 2.69
0.67 1.62 1.88
0.68
* This dimension represents the portion that is exposed when the nipple is inserted into the mating parker Coupler.
Optional Seals Suffix
(Standard seals are Nitrile)
E4
Fluorocarbon
E5
Ethylene Propylene (EPR)
E12
Neoprene
Perfluoroelastomer (Contact Factory for Seal Options)