M36
Parker Hannifin Corporation
Tube Fittings Division
Columbus, Ohio
4300 Catalog
Hydraulic Flanges and Components
Dimensions and pressures for reference only, subject to change.
GQ – Stainless Steel
NPTF Port Block Flange Adapter
NPTF Port / Code 61 or 62 Block Flange
* Consult factory.
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
Flat Face
G5Q – Stainless Steel
SAE Port Block Flange Adapter
SAE Port / Code 61 or 62 Block Flange
* Consult factory.
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
Flat Face
TUBE FITTING
PART #
SAE
PORT
DASH
SIZE
FLANGE
SIZE
(in.)
A
(in.)
B
(in.)
D
(in.)
K
DRILL
DIA.
(in.)
L
(in.)
T5
STRAIGHT
THREAD
UN-2B
MOUNTING
HARDWARE
STANDARD
Dynamic
Pressure
(x 1,000 PSI)
O-RING FACE FLAT FACE
SHCS
SS
SAE PORT / CODE 61 FLANGE BLOCK
8G5Q1B
*
8
0.50 1.50 2.12 0.50 0.344 1.20 3/4-16 5/16-18 x 1.25
5.0
12G5Q1B
*
12 0.75 1.75 2.62 0.75 0.406 1.20 1 1/16-12 3/8-16 x 1.50
5.0
16G5Q1B
*
16 1.00 2.00 2.82 1.00 0.406 1.45 1 5/16-12 3/8-16 x 1.50
5.0
20G5Q1B
*
20 1.25 2.50 3.19 1.25 0.469 1.45 1 5/8-12 7/16-14 x 1.75
4.0
24G5Q1B
*
24 1.50 2.75 3.75 1.50 0.531 1.70 1 7/8-12 1/2-13 x 2.00
3.0
32G5Q1B
*
32 2.00 3.25 4.00 2.00 0.531 1.70 1 7/8-12 1/2-13 x 2.00
SAE PORT / CODE 62 FLANGE BLOCK
8G5Q2B
*
8
0.50 1.75 2.22 0.50 0.344 0.95 3/4-16 5/16-18 x 1.25
6.0
12G5Q2B
*
12 0.75 2.00 2.81 0.75 0.406 1.20 1 1/16-12 3/8-16 x 1.50
6.0
16G5Q2B
*
16 1.00 2.25 3.19 1.00 0.469 1.45 1 5/16-12 7/16-14 x 1.75
6.0
20G5Q2B
*
20 1.25 2.75 3.75 1.25 0.531 1.45 1 5/8-12 1/2-13 x 1.75
6.0
24G5Q2B
*
24 1.50 3.25 4.50 1.50 0.656 1.70 1 7/8-12 5/8-11 x 2.00
5.0
32G5Q2B
*
32 2.00 4.00 5.25 2.00 0.781 1.70 2 1/2-12 3/4-10 x 2.25
3.0
TUBE FITTING
PART #
PT
THREAD
NPTF
FLANGE
SIZE
(in.)
A
(in.)
B
(in.)
D
(in.)
K
DRILL
DIA.
(in.)
L
(in.)
MOUNTING
HARDWARE
STANDARD
Dynamic
Pressure
(x 1,000 PSI)
O-RING FACE FLAT FACE
SHCS
SS
NPTF PORT / CODE 61 BLOCK FLANGE
8GQ1B
*
1/2-14
0.50 1.50 2.12 0.50 0.344 1.25 5/16-18 x 1.75
5.0
12GQ1B
*
3/4-14
0.75 1.75 2.62 0.75 0.406 1.25 3/8-16 x 2.00
5.0
16GQ1B
*
1-11 1/2 1.00 2.00 2.82 1.00 0.406 1.50 3/8-16 x 2.25
5.0
20GQ1B
*
1 1/4-11 1/2 1.25 2.50 3.19 1.25 0.469 1.50 7/16-14 x 2.25
4.0
24GQ1B
*
1 1/2-11 1/2 1.50 2.75 3.75 1.50 0.531 1.75 1/2-13 x 2.50
3.0
32GQ1B
*
2-11 1/2 2.00 3.25 4.00 2.00 0.531 1.75 1/2-13 x 2.50
2.7
40GQ1B
*
2 1/2-8
2.50 4.00 4.50 2.50 0.531 2.00 1/2-13 x 2.75
2.5
48GQ1B
*
3-8
3.00 4.50 5.31 3.00 0.656 2.25 5/8-11 x 3.00
1.2
NPTF PORT / CODE 62 BLOCK FLANGE
12GQ2B
*
3/4-14
0.75 2.00 2.81 0.75 0.406 1.20 3/8-16 x 2.00
6.0
16GQ2B
*
1-11 1/2 1.00 2.25 3.19 1.00 0.469 1.45 7/16-14 x 2.50
5.0
20GQ2B
*
1 1/4-11 1/2 1.25 2.75 3.75 1.25 0.531 1.45 1/2-13 x 2.50
4.0
24GQ2B
*
1 1/2-11 1/2 1.50 3.25 4.50 1.50 0.656 1.70 5/8-11 x 2.75
3.5
32GQ2B
*
2-11 1/2 2.00 4.00 5.25 2.00 0.781 1.70 3/4-10 x 3.00
3.0