M18
Parker Hannifin Corporation
Tube Fittings Division
Columbus, Ohio
4300 Catalog
Hydraulic Flanges and Components
Dimensions and pressures for reference only, subject to change.
TUBE FITTING
PART #
PIPE
SIZE
(in.)
FLANGE
SIZE
(in.)
A
(in.)
B
(in.)
D
(in.)
J
(in.)
K
DRILL
DIA.
(in.)
L
(in.)
S
(in.)
T
THREAD
UNC-2B
MOUNTING
HARDWARE
STANDARD
Dynamic
Pressure
(x 1,000 PSI)
O-RING FACE FLAT FACE
SHCS SX SS
1
FLAT WELD SOCKET, PIPE / CODE 61 BLOCK FLANGE OR PAD
8W5Q1B 8W5Q1P
1/2 0.50 1.813 2.125 0.500 0.560 0.344 0.750 0.855 5/16-18 5/16-18 x 1.50 5.0
12W5Q1B 12W5Q1P
3/4 0.75 2.063 2.563 0.750 0.560 0.406 0.750 1.062 3/8-16 3/8-16 x 1.50 5.0
16W5Q1B 16W5Q1P
1 1.00 2.313 2.750 1.000 0.630 0.406 0.880 1.326 3/8-16 3/8-16 x 1.75 5.0
20W5Q1B 20W5Q1P
1 1/4 1.25 2.875 3.125 1.250 0.690 0.469 0.940 1.672 7/16-14 7/16-14 x 1.75 4.0
24W5Q1B 24W5Q1P
1 1/2 1.50 3.250 3.688 1.500 0.750 0.531 1.190 1.922 1/2-13 1/2-13 x 2.25 3.0
32W5Q1B 32W5Q1P
2 2.00 3.813 4.000 2.000 0.875 0.531 1.380 2.406 1/2-13 1/2-13 x 2.50 3.0
40W5Q1B 40W5Q1P
2 1/2 2.50 4.281 4.500 2.500 1.000 0.531 1.750 2.906 1/2-13 1/2-13 x 2.75 2.5
48W5Q1B 48W5Q1P
3 3.00 5.156 5.313 3.000 1.250 0.656 2.120 3.547 5/8-11 5/8-11 x 3.50 2.0
56W5Q1B 56W5Q1P
3 1/2 3.50 5.500 6.000 3.500 1.190 0.656 1.440 4.047 5/8-11 5/8-11 x 2.75 0.5
64W5Q1B 64W5Q1P
4 4.00 6.000 6.380 4.000 1.250 0.656 1.500 4.578 5/8-11 5/8-11 x 2.75 0.5
80W5Q1B 80W5Q1P
5 5.00 7.120 7.250 4.500 1.380 0.656 1.750 5.641 5/8-11 5/8-11 x 3.00 0.5
FLAT WELD SOCKET, PIPE / CODE 62 BLOCK FLANGE OR PAD
8W5Q2B 8W5Q2P
1/2 0.50 1.940 2.300 0.500 0.560 0.344 1.250 0.855 5/16-18 5/16-18 x 2.00 6.0
12W5Q2B 12W5Q2P
3/4 0.75 2.500 2.950 0.750 0.560 0.406 1.250 1.062 3/8-16 3/8-16 x 2.00 6.0
16W5Q2B 16W5Q2P
1 1.00 2.750 3.190 1.000 0.630 0.469 1.500 1.326 7/16-14 7/16-14 x 2.50 6.0
20W5Q2B 20W5Q2P
1 1/4 1.25 3.060 3.750 1.250 0.690 0.531 1.500 1.672 1/2-13 1/2-13 x 2.50 6.0
24W5Q2B 24W5Q2P
1 1/2 1.50 3.750 4.440 1.500 0.750 0.656 1.750 1.922 5/8-11 5/8-11 x 3.00 6.0
32W5Q2B 32W5Q2P
2 2.00 4.500 5.250 2.000 0.875 0.781 1.750 2.406 3/4-10 3/4-10 x 3.00 6.0
40W5Q2B
2
40W5Q2P
2
2 1/2 2.50 5.870 6.870 2.500 1.000 0.906 2.060 2.906 7/8-9 7/8-9 x 3.50 6.0
48W5Q2B
2
48W5Q2P
2
3 3.00 7.000 8.500 3.000 1.250 1.156 2.620 3.547 1 1/8-7 1 1/8-7 x 4.50 6.0
Flat Face
W5Q
Flat Weld Socket Block Connector, Pipe
Flat Weld Socket, Pipe / Code 61 or 62
Block Flange or Pad
1) Se
r standard stainless steel sizes and dimensions.
2) No
AE J518. Bolt hole centerline dimensions are: 2.312” x 4.875” for 40W5Q2 and 2.812” x 6.000” for 48W5Q2.
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.
O-ring Face