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Parker Hannifin Corporation
Tube Fittings Division
Columbus, Ohio
http://www.parker.com/tfd
D14
4300 Catalog
Ferulok
®
Flareless Bite Type Fittings
Dimensions and pressures for reference only, subject to change.
SBU
Male Branch Tee
Flareless / NPTF
SAE 080425
R5BU
Straight Thread Run Tee
Flareless / SAE-ORB
SAE 080428
* Y – Across wrench flats
* Y – Across wrench flats
RBU
Male Run Tee
Flareless / NPTF
SAE 080424
OBU
Female Branch Tee
Flareless / NPTF
SAE 080427
* Y – Across wrench flats
* Y1 – Across wrench flats
TUBE
FITTING
PART #
END SIZE
M
(in.)
M7
(in.)
Y
(in.)
STANDARD
Dynamic
Pressure
(x 1,000 PSI)
1
(in.)
2
UN/UNF-2A
3
(in.)
-S -SS
4 R5BU
1/4 7/16-20 1/4 0.89 1.03 7/16 5.0 5.0
6 R5BU
3/8 9/16-18 3/8 1.05 1.25 9/16 5.0 5.0
8 R5BU
1/2 3/4-16 1/2 1.25 1.45 3/4 5.0 5.0
10 R5BU
5/8 7/8-14 5/8 1.42 1.70 7/8 4.5
12 R5BU
3/4 1 1/16-12 3/4 1.58 1.94 1 1/16 4.0 4.0
16 R5BU
1 1 5/16-12 1 1.73 2.05 1 5/16 3.0
TUBE
FITTING
PART #
END SIZE
M
(in.)
N
(in.)
Y
(in.)
STANDARD
Dynamic
Pressure
(x 1,000 PSI)
1
(in.)
2
(in.)
3
NPTF
-S -SS
2 SBU
1/8 1/8 1/8-27 0.77 0.72 7/16 5.0 5.0
4 SBU
1/4 1/4 1/8-27 0.89 0.78 7/16 5.0 5.0
4-4-4 SBU
1/4 1/4 1/4-18 1.03 1.09 9/16 5.0 5.0
5 SBU
5/16 5/16 1/8-27 0.95 0.81 9/16 5.0
6 SBU
3/8 3/8 1/4-18 1.05 1.09 9/16 5.0 5.0
8 SBU
1/2 1/2 3/8-18 1.25 1.22 3/4 5.0 5.0
8-8-8 SBU
1/2 1/2 1/2-14 1.35 1.47 7/8 5.0 5.0
10 SBU
5/8 5/8 1/2-14 1.42 1.47 7/8 4.5
12 SBU
3/4 3/4 3/4-14 1.58 1.59 1 1/16 4.0 4.0
14 SBU
7/8 7/8 3/4-14 1.66 1.69 1 5/16 3.0
16 SBU
1 1 1-11 1/2 1.73 1.97 1 5/16 3.0 3.0
TUBE
FITTING
PART #
END SIZE
M
(in.)
N
(in.)
Y
(in.)
STANDARD
Dynamic
Pressure
(x 1,000 PSI)
1
(in.)
2
NPTF
3
(in.)
-S -SS
4 RBU
1/4 1/8-27 1/4 0.89 0.78 7/16 5.0 5.0
4-4-4 RBU
1/4 1/4-18 1/4 1.03 1.09 9/16 5.0 5.0
5 RBU
5/16 1/8-27 5/16 0.95 0.81 9/16 5.0
6 RBU
3/8 1/4-18 3/8 1.05 1.09 9/16 5.0 5.0
8 RBU
1/2 3/8-18 1/2 1.25 1.22 3/4 5.0
8-8-8 RBU
1/2 1/2-14 1/2 1.34 1.47 7/8 5.0 5.0
10 RBU
5/8 1/2-14 5/8 1.42 1.47 7/8 4.5
12 RBU
3/4 3/4-14 3/4 1.58 1.59 1 1/16 4.0 4.0
14 RBU
7/8 3/4-14 7/8 1.62 1.69 1 5/16 3.0
16 RBU
1 1-11 1/2 1 1.73 1.97 1 5/16 3.0
TUBE
FITTING
PART #
END SIZE
M1
(in.)
N1
(in.)
Y1
(in.)
STANDARD
Dynamic
Pressure
(x 1,000 PSI)
1
(in.)
2
(in.)
3
NPTF
-S -SS
4 OBU
1/4 1/4 1/8-27 0.89 0.66 9/16 5.0 5.0
4-4-4 OBU
1/4 1/4 1/4-18 1.03 0.88 3/4 5.0 5.0
6 OBU
3/8 3/8 1/4-18 1.05 0.88 3/4 5.0 5.0
8 OBU
1/2 1/2 3/8-18 1.23 1.02 7/8 3.0 3.0
10 OBU
5/8 5/8 1/2-14 1.42 1.23 1 1/16 3.0
12 OBU
3/4 3/4 3/4-14 1.58 1.36 1 5/16 3.0
14 OBU
7/8 7/8 3/4-14 1.62 1.42 1 5/16 3.0
16 OBU
1
1 1-11 1/2 1.73 1.62 1 5/8 1.7
20 OBU
1 1/4 1 1/4 1 1/4-11 1/2 2.08 1.70 1 7/8 1.5