Name: Stainless Steel Weld Neck Flange
Brand: Zhejiang Yuhao Stainless Steel Co., Ltd
SKU: flanges
Availability: InStock

Stainless Steel Weld Neck Flange

MOQ:	100KGS
Price:	Negotation
Standard Packaging:	They are usually packed in conventional export wooden cases.
Delivery Period:	2-10 work days
Payment Method:	L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Capacity:	2000tons/per month

Stainless Steel Weld Neck Flange is a high-performance piping component with a long tapered neck for seamless pipe welding, offering excellent structural integrity and pressure-bearing capacity. Made of premium stainless steel, it resists corrosion, rust and oxidation, ideal for harsh industrial environments like oil & gas, chemical processing, power generation and petrochemical plants.

Its core advantage is the welded neck design, which evenly distributes stress and minimizes pressure concentration—vital for high-pressure, high-temperature systems. The seamless weld ensures a leak-proof seal, enhancing operational safety and making it a preferred choice for critical industrial applications.

Manufactured to ANSI, DIN, JIS international standards, our flanges ensure precise dimensions and compatibility with standard piping. Stainless steel guarantees long-term durability, extending system lifespan and reducing maintenance costs. We offer diverse specs (diameters, neck lengths, pressure ratings) for large-scale industrial projects.

Strict quality control runs through production—from raw material selection to final inspection. Each flange undergoes rigorous testing for strength, weld quality and corrosion resistance. As an experienced manufacturer, we provide high-quality, competitively priced products, plus professional technical support and custom solutions.

For high-pressure industrial piping requiring reliability and safety, our Stainless Steel Weld Neck Flange is the optimal choice. Choose us for premium products and comprehensive after-sales service.

DN	Pipe OD		Connection Size		Flange Thickness(mm) C	Flagne ID
DN	A	B	Flange OD	Bolt Hole Circle Diameter	Flange Thickness(mm) C	A	B
10	17.2	14	90	60	14	18	15
15	21.3	18	95	65	14	22.5	19
20	26.9	25	105	75	16	27.5	26
25	33.7	32	115	85	16	34.5	33
32	42.4	38	140	100	18	43.5	39
40	48.3	45	150	110	18	49.5	46
50	60.3	57	165	125	19	61.5	59
65	76.1	76	185	145	20	77.5	78
80	88.9	89	200	160	20	90.5	91
100	114.3	108	220	180	22	116	110
125	139.7	133	250	210	22	143.5	135
150	168.3	159	285	240	24	170.5	161
200	219.1	219	340	295	24	221.5	222
250	273	273	395	350	26	276.5	276
300	323.9	325	445	400	26	328	328
350	355.6	377	505	460	28	360	381
400	406.4	426	565	515	32	411	430
450	457	480	615	565	36	462	485
500	508	530	670	620	38	513.5	535
600	610	630	780	725	42	616.5	636

DN	Pipe OD		Connection Size		Flange Thickness(mm) C	Flagne ID
DN	A	B	Flange OD	Bolt Hole Circle Diameter	Flange Thickness(mm) C	A	B
10	17.2	14	90	60	14	18	15
15	21.3	18	95	65	14	22.5	19
20	26.9	25	105	75	16	27.5	26
25	33.7	32	115	85	16	34.5	33
32	42.4	38	140	100	18	43.5	39
40	48.3	45	150	110	18	49.5	46
50	60.3	57	165	125	19	61.5	59
65	76.1	76	185	145	20	77.5	78
80	88.9	89	200	160	20	90.5	91
100	114.3	108	220	180	22	116	110
125	139.7	133	250	210	22	143.5	135
150	168.3	159	285	240	24	170.5	161
200	219.1	219	340	295	24	221.5	222
250	273	273	395	350	26	276.5	276
300	323.9	325	445	400	26	328	328
350	355.6	377	505	460	28	360	381
400	406.4	426	565	515	32	411	430
450	457	480	615	565	36	462	485
500	508	530	670	620	38	513.5	535
600	610	630	780	725	42	616.5	636

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