Slip-on flange, also called SO flange. They are a popular type of pipe flange designed to accept pipe into the bore/center of the flange for welding around both the Outer Diameter (OD) of the pipe and on the interior side of the connection.
This flange type is extremely common in lower-pressure applications. This is because a slip-on style flange will accept a pipe with a fillet weld connection, whereas a weld neck flange will have a reinforced hub at the base and form a weld bevel connection directly to the butt weld end of a pipe. This tapered hub allows for stronger service in a mechanical stress environment.
The advantages of slip-on flanges relate to lower procurement costs, less required skill for making the weld, lower accuracy requirement for pipe cutting, and no weld preparation requirements for a pipe end weld.
Slip-on flanges are mainly used for fluids at low pressure or with little risk of leakage. Such as petrochemical, oil and gas, cooling water lines, firefighting water lines, low-pressure compressed air lines, and process lines for substances such as steam, condensates, etc.
Introduction
|
Standard |
ASME/ANSI, API, DIN, GOST, BS, AS, JIS, JPI, UNI, SABS, etc |
|
Material |
Carbon Steel, Alloy steel, 304, 316, 304L, 316L, 321, 347, CF8C., etc |
|
Surface |
RF, FF, FM, MFM, TG, RJ, etc. |
|
Type |
Forged, Steel cutting |
|
size |
DN15-DN600 |
|
Delivery time |
Within 5-30 days after receiving the prepaid |
|
Packing |
Each flange or pipe fittings is individually packaged with bubble protective film and placed in a wooden box. |
|
Application |
petrochemical, oil and gas, cooling water lines, firefighting water lines, etc. |
|
Nom. Pipe Size |
Outside Diameter (mm) |
A (mm) |
B (mm) |
C (mm) |
D (mm) |
F (mm) |
G (mm) |
Holes (mm) |
I (mm) |
J (mm) |
Weight (kg) |
|
½ |
21.30 |
88.90 |
22.40 |
11.20 |
15.70 |
30.20 |
35.10 |
4 |
15.70 |
60.45 |
0.39 |
|
¾ |
26.70 |
98.60 |
27.70 |
12.70 |
15.70 |
38.10 |
42.90 |
4 |
15.70 |
69.85 |
0.56 |
|
1 |
33.40 |
108.00 |
34.50 |
14.20 |
17.50 |
49.30 |
50.80 |
4 |
15.70 |
79.25 |
0.78 |
|
1¼ |
42.20 |
117.30 |
43.20 |
15.70 |
20.60 |
58.70 |
63.50 |
4 |
15.70 |
88.90 |
1.03 |
|
1½ |
48.30 |
127.00 |
49.50 |
17.50 |
22.40 |
65.00 |
73.15 |
4 |
15.70 |
98.60 |
1.32 |
|
2 |
60.30 |
152.40 |
62.00 |
19.10 |
25.40 |
77.70 |
91.90 |
4 |
19.10 |
120.70 |
2.06 |
|
2½ |
73.00 |
177.80 |
74.70 |
22.40 |
28.40 |
90.40 |
140.60 |
4 |
19.10 |
139.70 |
3.28 |
|
3 |
88.90 |
190.50 |
90.70 |
23.90 |
30.20 |
108.00 |
127.00 |
4 |
19.10 |
152.40 |
3.85 |
|
3½ |
101.60 |
215.90 |
103.40 |
23.90 |
31.75 |
122.20 |
139.70 |
8 |
19.10 |
177.80 |
4.81 |
|
4 |
114.30 |
228.60 |
116.10 |
23.90 |
33.30 |
134.90 |
157.20 |
8 |
19.10 |
190.50 |
5.30 |
|
5 |
141.30 |
254.00 |
143.80 |
23.90 |
36.60 |
163.60 |
185.70 |
8 |
22.40 |
215.90 |
6.07 |
|
6 |
168.30 |
279.40 |
170.70 |
25.40 |
39.60 |
192.00 |
215.90 |
8 |
22.40 |
241.30 |
7.45 |
|
8 |
219.10 |
342.90 |
221.50 |
28.40 |
44.50 |
246.10 |
269.70 |
8 |
22.40 |
298.50 |
12.10 |
|
10 |
273.00 |
406.40 |
276.30 |
30.20 |
49.30 |
304.80 |
323.90 |
12 |
25.40 |
362.00 |
16.50 |
|
12 |
323.80 |
482.60 |
327.10 |
31.75 |
55.60 |
365.30 |
381.00 |
12 |
25.40 |
431.80 |
26.20 |
|
14 |
355.60 |
533.40 |
359.10 |
35.10 |
57.15 |
400.10 |
412.80 |
12 |
28.40 |
476.30 |
34.60 |
|
16 |
406.40 |
596.90 |
410.50 |
36.60 |
63.50 |
457.20 |
469.90 |
16 |
28.40 |
539.8 |
44.8 |
|
18 |
457.20 |
635.00 |
461.80 |
39.60 |
68.30 |
505.00 |
533.40 |
16 |
31.75 |
577.90 |
48.90 |
|
20 |
508.00 |
698.50 |
513.10 |
42.90 |
73.15 |
558.80 |
584.20 |
20 |
31.75 |
635.00 |
61.90 |
|
24 |
609.60 |
812.80 |
616.00 |
47.80 |
82.60 |
663.40 |
692.20 |
20 |
35.10 |
749.30 |
86.90 |
Xinhang Special Material Co., Ltd. Hangzhou Branch is famous China Stainless Steel 304 Forged Slip On Flange With A Reinforced Hub At The Base suppliers and OEM/ODM Stainless Steel 304 Forged Slip On Flange With A Reinforced Hub At The Base manufacturers, founded in 2007 and moved to Longyou Economic Development Zone, Zhejiang Province, in 2022. It covers an area of 130,000 square meters, more than 30 production lines, 300 workers, 20 R&D people, 30 inspection people and an annual output of 50,000 tons.
It has passed ISO9001:2008 quality management system, PED 97/23/EC EU Pressure Equipment Directive certification, China Special Equipment Manufacturing License (Pressure Tube) TS certification, ASME certification, provincial enterprise standardization management system, ISO14000:2004 environment management system, cleaner production (green enterprise), and a series of certifications, as well as China Classification Society (CCS), American Bureau of Shipping (ABS), British Register of Shipping (LR), Deutsche Veritas (GL), Bureau Veritas Society (BV), Det Norske Veritas (DNV), and Korean Register of Shipping (KR) factory certification.
The main products include stainless steel pipes, pipe fittings, flanges, valves, etc., which are widely used in petroleum, chemical industry, nuclear industry, smelting, shipbuilding, pharmaceuticals, food, water conservancy, electric power, new energy, mechanical equipment, and other fields. The company adheres to the corporate tenet of "quality for survival, reputation for development" and wholeheartedly serves every customer to create a win-win situation.
XinHang Special Material Co., Ltd. proudly participated in the OIL GAS INDONESIA exhibition held from September 11 to 14, 2024, at the Jakarta International Expo. The event provided an excellent platf...
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