L28
Parker Hannifin Corporation
Tube Fittings Division
Columbus, Ohio
http://www.parker.com/tfd
4300
Catalog
Hydraulic Flanges and Components
and Dual Seal Flanges
Dimensions and pressures for reference only, subject to change.
PQ
Block Plug
Code 61/62 Block Flange or Pad Plug
Flat Face
O-ring Face
1)
See
page L40
for standard stainless steel sizes and dimensions.
2)
SAE J518 does not cover these sizes in Code 62. Bolt hole centerline dimensions are: 2.312” x 4.875” for
4
OPQ2 and 2.812” x 6.000” for 48PQ2.
To receive mounting hardware with flange, insert a “K” after the material designator. Mounting hardware kits
are available for O-ring Face part numbers and include 4 bolts, 4 lock washers and an O-ring.
W5SQS
Weld Socket Square Block Connector, Pipe
Pipe Weld Socket / Square Block Flange or Pad
Flat Face
O-ring Face
To receive mounting hardware with flange, insert a “K” after the material designator. Mounting hardware kits are available for O-ring Face part
numbers and include 4 bolts, 4 lock washers and an O-ring.
TUBE FITTING
PART #
PIPE
SIZE
(
in.)
FLANGE
SIZE
(
in.)
A
(
in.)
B
(
in.)
C
MIN.
(
in.)
D
(
in.)
J
(
in.)
K
DRILL
DIA.
(
in.)
L
(
in.)
S
(
in.)
T
THREAD
UNC-2B
X
(
in.)
O-RING
MOUNTING
HARDWARE
Dynamic
Pressure
(
x 1,000 PSI)
O-RING FACE FLAT FACE
SHCS SX SS
12
W5SQSB 12W5SQSP
3/4 0.75 2.25 1.12 1.250 0.75 0.50 0.406 1.00 1.062 3/8-16 1.438 2-214 3/8-16
x 1.75 5.0
16
W5SQSB 16W5SQSP
1 1.00 3.00 1.50 1.560 1.00 0.50 0.531 1.00 1.328 1/2-13 2.000 2-219 1/2-13
x 1.75 5.0
20
W5SQSB 20W5SQSP
1 1/4 1.25 3.00 1.50 1.750 1.25 0.50 0.531 1.00 1.672 1/2-13 2.000 2-222 1/2-13
x 1.75 4.0
24
W5SQSB 24W5SQSP
1 1/2 1.50 4.00 2.00 2.115 1.50 0.62 0.656 1.25 1.922 5/8-11 2.750 2-225 5/8-11
x 2.25 3.0
32
W5SQSB 32W5SQSP
2 2.00 4.00 2.00 2.490 2.00 0.62 0.656 1.25 2.406 5/8-11 2.750 2-228 5/8-11
x 2.25 3.0
40
W5SQSB 40W5SQSP
2 1/2 2.50 5.50 2.75 2.995 2.50 0.75 0.906 1.50 2.906 7/8-9 3.750 2-232 7/8-9
x 2.75 2.5
48
W5SQSB 48W5SQSP
3 3.00 5.50 2.75 3.615 3.00 0.75 0.906 1.50 3.547 7/8-9 3.750 2-237 7/8-9
x 2.75 2.0
TUBE FITTING
PART #
FLANGE
SIZE
(
in.)
A
(
in.)
B
(
in.)
K
DRILL
DIA.
(
in.)
L
(
in.)
T
THREAD
UNC-2B
MOUNTING
HARDWARE
Dynamic
Pressure
(
x 1,000 PSI)
O-RING FACE FLAT FACE
SHCS
SX SS
1
CODE 61 BLOCK FLANGE OR PAD PLUG
8
PQ1B
8
PQ1P
0.50 1.813 2.125 0.344 0.750 5/16-18 5/16-18
x 1.50 5.0
12
PQ1B 12PQ1P
0.75 2.063 2.563 0.406 0.750 3/8-16 3/8-16
x 1.50 5.0
16
PQ1B 16PQ1P
1.00 2.313 2.750 0.406 0.880 3/8-16 3/8-16
x 1.75 5.0
20
PQ1B 20PQ1P
1.25 2.875 3.125 0.469 0.940 7/15-14 7/16-14
x 1.75 4.0
24
PQ1B 24PQ1P
1.50 3.250 3.688 0.531 1.190 1/2-13 1/2-13
x 2.25 3.0
32
PQ1B 32PQ1P
2.00 3.813 4.000 0.531 1.440 1/2-13 1/2-13
x 2.50 3.0
40
PQ1B 40PQ1P
2.50 4.281 4.500 0.531 1.815 1/2-13 1/2-13
x 2.75 2.5
48
PQ1B 48PQ1P
3.00 5.156 5.313 0.656 2.190 5/8-11 5/8-11
x 3.50 2.0
56
PQIB 56PQ1P
3.50 5.500 6.000 0.656 1.440 5/8-11 5/8-11
x 2.75 0.5
64
PQIB 64PQIP
4.00 6.000 6.380 0.656 1.440 5/8-11 5/8-11
x 2.75 0.5
CODE 62 BLOCK FLANGE OR PAD PLUG
8
PQ2B
8
PQ2P
0.50 1.940 2.300 0.344 1.250 5/16-18 5/16-18
x 2.00 6.0
12
PQ2B 12PQ2P
0.75 2.500 2.950 0.406 1.250 3/8-16 3/8-16
x 2.00 6.0
16
PQ2B 16PQ2P
1.00 2.750 3.190 0.469 1.500 7/16-14 7/16-14
x 2.50 6.0
20
PQ2B 20PQ2P
1.25 3.060 3.750 0.531 1.430 1/2-13 1/2-13
x 2.50 6.0
24
PQ2B 24PQ2P
1.50 3.750 4.440 0.656 1.815 5/8-11 5/8-11
x 3.00 6.0
32
PQ2B 32PQ2P
2.00 4.500 5.250 0.781 1.815 3/4-10 3/4-10
x 3.00 6.0
40
PQ2B
2
40
PQ2P
2
2.50 5.870 6.870 0.940 1.930 7/8-9 7/8-9
x 3.50 6.0
48
PQ2B
2
48
PQ2P
2
3.00 7.000 8.500 1.190 2.690 1 1/8-7 1 1/8-7
x 4.50 6.0
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