DI GROOVED FITTINGS-PN16 GROOVED FLANGE
1. Description of Products
The grooved flange is used for the conversion of the grooved pipe connection to the flange connection. It is a special connection fitting used when the groove connection is connected to the PN16 flange.
Dimensions:
11/2″(DN40)– 12″(DN300)
Design Standard:
ISO6182, AWWA C606, GB 5135.11
Connection Standard:
ASME B36.10, ASTM A53-A53M, ISO 4200
Working Pressure:
PN16
Application:
Grooved flange is suitable for medium and low pressure pipeline systems with nominal pressure PN16, nominal size DN40-DN300, temperature range of – 20 ℃-+180℃, which are widely applied in water supply and drainage, fire-fighting, air conditioning, etc.
Material of Pipe :
Welded and seamless rolled steel pipes according to ASME B36.10, ASTM A53-A53M, ISO 4200, GB/T 21835
Specification of Material
ASTM A536, Ductile iron according to 65-45-12. The nodularity is more than 90%, ensuring excellent physical and mechanical properties
Surface Treatment:
- Electrophoreticpainting
- Epoxy powerpainting
- Hot-dipgalvanizing
- Black
- Others would be available upon clients’ detailedrequest
2. DIMENSIONS

Nominal
Size |
Pipe
O.D |
Working
Pressure |
Dimensions |
Bolt/Nut |
A |
B |
C |
D |
E |
No.-SIZE |
DN/in |
mm/in |
PSI/MPa |
mm/in |
mm/in |
mm/in |
mm/in |
mm/in |
mm |
40 |
48.3 |
225 |
195 |
18.5 |
150 |
110 |
45.4 |
2-M10X50 |
4-M16 |
1½ |
1.9 |
1.6 |
7.68 |
0.73 |
5.9 |
4.33 |
1.78 |
50 |
60.3 |
225 |
220 |
18.5 |
165 |
125 |
57.5 |
2-M10X50 |
4-M16 |
2 |
2.375 |
1.6 |
8.66 |
0.73 |
6.5 |
4.92 |
2.26 |
65 |
76.1 |
225 |
235 |
18.5 |
185 |
145 |
72.7 |
2-M10X50 |
4-M16 |
76.1 |
3 |
1.6 |
9.25 |
0.73 |
7.28 |
5.71 |
2.86 |
80 |
88.9 |
225 |
255 |
18.5 |
195 |
160 |
85.5 |
2-M10X50 |
8-M16 |
3 |
3.5 |
1.6 |
10.04 |
0.73 |
7.68 |
6.3 |
3.37 |
100 |
108 |
225 |
279 |
18.5 |
220 |
180 |
104.5 |
2-M10X50 |
8-M16 |
108 |
4.25 |
1.6 |
10.98 |
0.73 |
8.66 |
7.09 |
4.11 |
100 |
114.3 |
225 |
279 |
18.5 |
224 |
180 |
110.5 |
2-M10X50 |
8-M16 |
4 |
4.5 |
1.6 |
10.98 |
0.73 |
8.82 |
7.09 |
4.35 |
125 |
133 |
225 |
312 |
21.5 |
250 |
210 |
129.2 |
2-M12X65 |
8-M16 |
5 |
5.25 |
1.6 |
12.28 |
0.85 |
9.84 |
8.27 |
5.08 |
125 |
139.7 |
225 |
320 |
23 |
250 |
210 |
135.5 |
2-M12X65 |
8-M16 |
5 |
5.5 |
1.6 |
12.6 |
0.91 |
9.84 |
8.27 |
5.33 |
150 |
159 |
225 |
346 |
21.5 |
280 |
240 |
154.8 |
2-M12X65 |
8-M20 |
6 |
6.25 |
1.6 |
13.62 |
0.85 |
11 |
9.45 |
6.1 |
150 |
165.1 |
225 |
346 |
21.5 |
280 |
240 |
160.8 |
2-M12X65 |
8-M20 |
6 |
6.5 |
1.6 |
13.62 |
0.85 |
11 |
9.45 |
6.33 |
150 |
168.3 |
225 |
346 |
24 |
280 |
240 |
164.3 |
2-M12X65 |
8-M20 |
6 |
6.625 |
1.6 |
13.62 |
0.94 |
11 |
9.45 |
6.47 |
200 |
219.1 |
225 |
414.3 |
30 |
340 |
295 |
214.9 |
2-3/8X70 |
12-M20 |
8 |
8.625 |
1.6 |
16.31 |
1.18 |
13.39 |
11.61 |
8.46 |
2-M10X70 |
250 |
273 |
225 |
480 |
25.5 |
405 |
355 |
268.9 |
2-3/8X70 |
12-M24 |
10 |
10.75 |
1.6 |
18.9 |
1 |
15.94 |
13.98 |
10.59 |
2-M10X70 |
300 |
323.9 |
225 |
530.5 |
25.5 |
460 |
410 |
318.9 |
2-3/8X70 |
12-M24 |
12 |
12.75 |
1.6 |
20.88 |
1 |
18.11 |
16.14 |
12.56 |
2-M10X70 |