Lap Joint Flanges


Lap Joint flange normally consists of an inner section the same size as the pipe and an outer ring with bolt holes. The use of Lap Joint Flanges at points where severe bending stress occurs should be avoided.
Stainless Steel Lap Joint Flanges:ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L
Carbon Steel Lap Joint Flanges:ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F70
Alloy Steel Lap Joint Flanges:ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Duplex Steel Lap Joint Flanges:ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61, 2205 (UNS No. S31803), 2507 (UNS No. S32750)
In Form:SORF, WNRF, BLRF, SWRF, LAP Joint, Threaded, Reducing, Spectacle, etc
Specialize:As per drawing
Standard:ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
Connection Type:Raised Face, Flat Face, Ring Type Joint, Lap-Joint Face, Large Male-Female, Small Male-Female, Large Tongue & Groove, Small Tongue & Groove.
Type of Flanges:Weld Neck Flanges - WNRF, Socket Weld Flanges - SWRF, Slip On Raise Face - SORF, Blind Raise Face - BLRF, Spectacle Blind, Ring Joint, Large Dia Flanges, Orifice Flanges, Girth Flange, Lap Joint Flanges, Screwed (Threaded) Flanges, Long Weld Neck Flanges, Reducing.
Size:½" (15 NB) to 48" (1200NB)
Class:150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.
Material:Grade
150 Lbs
Drilling
Nominal BoreDia.
(D)		Thick.
(E)		Dia.
(B)		Dia.
(A)		Height
(H)		NbrHolesDia.
(C)
1/2"
90
11.2
30
22.9
16
4
15.87
60.3
3/4"
100
12.7
38
28.2
16
4
15.87
69.9
1"
110
14.3
49
34.9
17
4
15.87
79.4
1 1/4"
115
15.9
59
43.7
21
4
15.87
88.9
1 1/2"
125
17.5
65
50.0
22
4
15.87
98.4
2"
150
20.7
78
62.5
25
4
19.05
120.7
2 1/2"
180
22.3
90
75.4
29
4
19.05
139.7
3"
190
23.9
108
91.4
30
4
19.05
152.4
3 1/2"
215
23.9
122
104.1
32
8
19.05
177.8
4"
230
23.9
135
116.8
33
8
19.05
190.5
5"
255
23.9
164
144.4
36
8
22.22
215.9
6"
280
25.4
192
171.4
40
8
22.22
241.3
8"
345
28.6
246
222.2
44
8
22.22
298.5
10"
405
30.2
305
277.4
49
12
25.40
362.0
12"
485
31.8
365
328.2
56
12
25.40
431.8
14"
535
35.0
400
360.2
79
12
28.57
476.3
16"
595
36.6
457
411.2
87
16
28.57
539.8
18"
635
39.7
505
462.3
97
16
31.75
577.9
20"
700
42.9
559
514.4
103
20
31.75
635.0
24"
815
47.7
663
616.0
111
20
34.92
749.3
The dimensions are in millimeters
300 Lbs
Drilling
Nominal BoreDia.
(D)		Thick.
(E)		Dia.
(B)		Dia.
(A)		Height
(H)		NbrHolesDia.
(C)
1/2"
95
14.3
38
22.9
22
4
15.87
66.7
3/4"
115
15.9
48
28.2
25
4
19.05
82.6
1"
125
17.5
54
34.9
27
4
19.05
88.9
1 1/4"
135
19.1
64
43.7
27
4
19.05
98.4
1 1/2"
155
20.7
70
50.0
30
4
22.22
114.3
2"
165
22.3
84
62.5
33
8
19.05
127.0
2 1/2"
190
25.4
100
75.4
38
8
22.22
149.2
3"
210
28.6
117
91.4
43
8
22.22
168.3
3 1/2"
230
30.2
133
104.1
44
8
22.22
184.2
4"
255
31.8
146
116.8
48
8
22.22
200.0
5"
280
35.0
178
144.4
51
8
22.22
235.0
6"
320
36.6
206
171.4
52
12
22.22
269.9
8"
380
41.3
260
222.2
62
12
25.40
330.2
10"
445
47.7
321
277.4
95
16
28.57
387.4
12"
520
50.8
375
328.2
102
16
31.75
450.8
14"
585
54.0
425
360.2
111
20
31.75
514.4
16"
650
57.2
483
411.2
121
20
34.29
571.5
18"
710
60.4
533
462.3
130
24
34.29
628.6
20"
775
63.5
587
514.4
140
24
34.29
685.8
24"
915
69.9
702
616.0
152
24
41.27
812.8
The dimensions are in millimeters
600 Lbs
Drilling
Nominal BoreDia.
(D)		Thick.
(E)		Dia.
(B)		Dia.
(A)		Height
(H)		NbrHolesDia.
(C)
1/2"
95
14.3
38
23.6
22
4
15.87
66.7
3/4"
115
15.9
48
29.0
25
4
19.05
82.6
1"
125
17.5
54
35.8
27
4
19.05
88.9
1 1/4"
135
20.7
64
44.4
29
4
19.05
98.4
1 1/2"
155
22.3
70
50.6
32
4
22.22
114.3
2"
165
25.4
84
63.5
37
8
19.05
127.0
2 1/2"
190
28.6
100
76.2
41
8
22.22
149.2
3"
210
31.8
117
92.2
46
8
22.22
168.3
3 1/2"
230
35.0
133
104.9
49
8
25.40
184.2
4"
275
38.1
152
117.6
54
8
25.40
215.9
5"
330
44.5
189
144.4
60
8
28.57
266.7
6"
355
47.7
222
171.4
67
12
28.57
292.1
8"
420
55.6
273
222.2
76
12
31.75
349.2
10"
510
63.5
343
276.2
111
16
34.92
431.8
12"
560
66.7
400
328.6
117
20
34.92
489.0
14"
605
69.9
432
360.4
127
20
38.10
527.0
16"
685
76.2
495
411.2
140
20
41.27
603.2
18"
745
82.6
546
462.0
152
20
44.45
6654.0
20"
815
88.9
610
512.8
165
24
44.45
723.9
24"
940
101.6
718
614.4
184
24
50.80
838.2
The dimensions are in millimeters

www.anitasteel.com
sales@anitasteel.com
Hitesh Mehta
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