L43
Parker Hannifin Corporation
Tube Fittings Division
Columbus, Ohio
4300
Catalog
Hydraulic Flanges and Components
and Dual Seal Flanges
Dimensions and pressures for reference only, subject to change.
W7HQ4O
Dual Seal Flange Connector
Dual Seal / Socket Weld Pipe
TUBE
FITTING
PART #
END SIZE
C
(
in.)
D1
DRILL
(
in.)
D2
DRILL
(
in.)
E
(
in.)
L
(
in.)
Dynamic
Pressure
(
x 1,000 PSI)
1
PIPE
2
DUAL SEAL
SS
8
W7HQ4O
1/2
1/2
1.25
0.406 0.406 0.69
2.64
7.5
16
W7HQ4O
1
1
1.88
0.938 0.938 0.75
3.44
7.5
24
W7HQ4O
1 1/2
1 1/2
2.50
1.312 1.312 1.00
4.43
7.5
PQ4O
Dual Seal Flange Connector
Dual Seal Plug
TUBE
FITTING
PART #
END SIZE
F
(
in.)
C
(
in.)
L
(
in.)
R
(
in.)
Dynamic
Pressure
(
x 1,000 PSI)
2
DUAL SEAL
SS
8
PQ4O
1/2
1.25 0.31
0.69
0.75
7.5
16
PQ4O
1
1.88 0.38
0.75
1.21
7.5
24
PQ4O
1 1/2
2.50 0.50
1.00
1.75
7.5
Q4 Insert
Dual Seal Flange Insert
TUBE
FITTING
PART #
END SIZE
L
(
in.)
C
(
in.)
Dynamic
Pressure
(
x 1,000 PSI)
2
DUAL SEAL
SS
8
Q4 INSERT
1/2
1.00
0.75
7.5
16
Q4 INSERT
1
1.00
1.37
7.5
24
Q4 INSERT
1 1/2
1.00
1.74
7.5