Welding Pipe Fittings Series
Elbow|Welding Reducers
Straight Tee|Reducing Tee
Welding Cap|Welding Bend
Welding Pipe Fittings Series - Lap Joint Stub End

Forged Socket pipe fittings series
Type 1 Forged Socket Pipe|Type 2 Forged Socket Pipe
Forged Socket Reducing Insertion Pieces|Union

Forged Threaded Pipe Fitting Series
Type 1 Threaded Pipe Fittings|Type 2 Threaded Pipe Fittings
Type 3 threaded pipe fittings|Nipples
Threaded Short Pipe|Fire-fighting Threaded Pipe Fittings

Steel Flange Series
Slip-on welding flange|Welding neck flange
Lapped welding flange|Blind Flange
O-let series
Sockolet |Threadolet
Weldolet|Nipolet Parameters
Latrolet|Elbolet
Swage Nipple

 ◆ Carbon steel（10#、20#、A3、Q235A、20G、16Mn、ASTM A234、ASTM A105、ASTM A403等）；
 ◆Austenitic stainless steel（1Cr18Ni9Ti、0Cr18Ni9、00Cr19Ni10、0Cr17Ni12Mo2Ti、00Cr17Ni14Mo2、304 304L、316、316L等）；
 ◆ Alloy steel（16MnR、Cr5Mo、12Cr1MoV、10CrMo910、15CrMo、12Cr2Mo1、A335P22、St45.8/Ⅲ、 A10bB）。

Lap Joint Stub End Parameters（MSS SP-43）
Nominal Pipe Size DN End OD Length Lap joint D Lap joint D
Type A
Type B
D L R G
1/2
21.3
50.8
3.0
0.8
35.0
3/4
26.7
50.8
3.0
0.8
42.9
1
33.4
50.8
3.0
0.8
50.8
11/4
42.2
50.8
4.8
0.8
63.5
11/2
48.3
50.8
6.4
0.8
73.2
2
60.3
63.5
7.9
0.8
91.9
21/2
73.0
63.5
7.9
0.8
104.6
3
88.9
63.5
9.6
0.8
127.0
31/2
101.6
76.2
9.6
0.8
139.7
4
114.3
76.2
11.2
0.8
157.2
5
141.3
76.2
11.2
1.6
185.7
6
168.3
88.9
12.7
1.6
215.9
8
219.1
101.6
12.7
1.6
269.7
10
273.1
127.0
12.7
1.6
323.9
12
323.9
152.4
12.7
1.6
381.0
14
355.6
152.4
12.7
1.6
412.8
16
406.4
152.4
12.7
1.6
469.9
18
457.2
152.4
12.7
1.6
533.4
20
508.0
152.4
12.7
1.6
584.2
24
609.6
152.4
12.7
1.6
692.2

Notes:
1. Minimum lap thickness should be not less than nominal wall thickness.
2. Lap face can be processed to concentric serration or spiral slot as required by customers.
3. Be suitable to the connection of sch40s or thinner stainless steel pipe.
4. Size R suits to the radius stipulated in overlapping flange of ANSI B16. 5, please indicate the type of fillet radius in orders.
5. Please indicate for additional requirements on Size L or G. 6. Wall thickness T refers to the Wall Thickness Table.
 


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