Page 23 - GRINNELL Mechanical Products Catalogue

GROOvED COupLiNGS
Figure 770 High Pressure Rigid Couplings
The Figure 770 Rigid Coupling provides a rigid joint by firmly gripping along the circumference of the pipe grooves . This coupling offers a dependable method for joining pipe and is an economical alternative to welding, threading, or using flanges . It is capable of pressures up to 6,895 kPa (1000 psi) depending on pipe size and wall thickness .
Tech Data Sheet: G138
BC
A
Nominal mm Inches
Pipe Size
O.D. mm Inches
Max.† Pressures kPa psi
Max.† End Load kN Lbs.
Max.*‡ End Gap mm Inches
Dimensions - mm Inches
Qty.
Coupling Bolts
Size
mm
Inches
Approx. Weight kg Lbs.
A
B
C
50
2 2.375 2-1⁄2 2.875
3 3.500
4 4.500
6 6.625 8 8.625
1000 4,430.1 0.14 1000 6,491.8 0.14 1000 9,621.1 0.14 1000 15,904.3 0.25 1000 34,471.6 0.25
800 46,741.0 0.25
3.53 5.72 1.88 2 4.06 6.00 1.88 2 4.78 6.76 1.88 2 6.01 8.50 2.10 2 8.51 11.25 2.10 2
10.93 13.75 2.60 2 13.46 16.00 2.60 2 15.52 18.00 2.60 2
5⁄8 x 2-3⁄4 3.4 5⁄8 x 3-1⁄2 4.0 5⁄8 x 3-1⁄2 5.3 3⁄4 x 4-1⁄4 7.3 7⁄8 x 5-1⁄2 15.0
1 x 5-1⁄2 25.0 1 x 6-1⁄2 34.0 1 x 6-1⁄2 40.0
60.3
6895
19.71
3.6
89.7
145.3
47.8
M16 x 70
1.5
65
73.0
6895
28.88
3.6
103.1
152.4
47.8
M16 x 89
1.8
80
88.9
6895
42.79
3.6
121.4
171.7
47.8
M16 x 89
2.4
100
114.3
6895
70.74
6.4
152.7
215.9
53.3
M20 x 108
3.3
150
168.3
6895
153.33
6.4
216.2
285.8
53.3
M22 x 140
6.8
200
219.1
5516
207.90
6.4
277.6
349.3
66.0
M24 x 140
11.3
250
273.0
5516
322.97
6.4
341.9
406.4
66.0
M24 x165
15.4
10 10.750 800 72,610.1 0.25
12 12.750 800 102,141.0 0.25
300
323.9
5516
454.32
6.4
394.2
457.2
66.0
M24 x165
18.1
* Maximum available gap between pipe ends. Minimum gap = 0.
† Maximum pressure and end load are total from all loads based on standard weight steel pipe. Pressure ratings and end loads may differ for
other pipe materials and/or wall thickness. Contact GRINNELL Mechanical Products for details.
‡ Max end gap and deflection is for cut grooved standard weight pipe. Values for roll grooved pipe will be half that of cut grooved. For information on larger sizes, contact GRINNELL Mechanical Products.
See page 17 for general notes, and see pages 140 - 146 for gasket information.
Refer to back cover for country-specific customer care numbers. 23
Grooved CouplinGs