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Uni2281 Pn10 Welding Neck Flanges

$25.00 | 1 kg(Min.Order)

The weld neck flange can be directly welded to butt-weld fittings like elbows, tees or reducers without requiring any short piece of pipe unlike slip-on flange which require a straight length of pipe for installation

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Possible product introduction:

Uni2281 Pn10 Welding Neck Flanges from [Company Name] are high-quality flange fittings designed for use in a variety of industrial and commercial piping systems. Made from premium materials and manufactured with precision and care, these flanges offer reliable performance and lasting durability for a wide range of applications.

The Uni2281 standard specifies the dimensions, design, and marking requirements for welding neck flanges with metric bolt holes, intended for use with steel pipes, valves, and fittings in pressure piping systems. These flanges feature a circular hub with a tapered neck, which is welded to the pipe or fitting, and a flat face with bolt holes around it, to connect to the mating flange or equipment. The Pn10 designation indicates a pressure rating of 10 bar (145 psi) at ambient temperature.

Our Uni2281 Pn10 Welding Neck Flanges have the following key features and benefits:

- Material: We use high-grade carbon steel, stainless steel, and alloy steel for our flanges, to ensure proper hardness, strength, corrosion resistance, and compatibility with various media and operating conditions. All materials are sourced from reputable suppliers and tested for quality and traceability.

- Dimensions: We strictly adhere to the Uni2281 standard and customer specifications for flange dimensions, such as diameter, thickness, length, bore size, and chamfer. We use state-of-the-art machining and measuring tools to ensure accurate and consistent results for each flange.

- Surface finish: We can provide various surface finishes for our flanges, such as smooth or serrated, to suit different sealing requirements and preferences. We can also apply coatings or platings, such as galvanizing, epoxy, or Xylan, to enhance the flange's resistance to corrosion, wear, and temperature.

- Certification: We offer various certifications and documentation to demonstrate the quality and compliance of our flanges, such as ISO 9001, CE, PED, API, EN 10204, and third-party inspection reports. We also provide marking and labeling according to the relevant standards and customer requirements.

- Customization: We can manufacture Uni2281 Pn10 Welding Neck Flanges in a wide range of sizes, materials, and configurations, to meet specific project needs and standards. We can also provide additional services, such as drilling, tapping, machining, and testing, upon request.

To attract merchants who are interested in our Uni2281 Pn10 Welding Neck Flanges, we can highlight the following selling points:

- Reliability: Our flanges are designed and tested to withstand high pressure, temperature, and vibration, and to ensure safe and efficient operation of piping systems. They have a proven track record of success in various industries, such as oil and gas, chemical, power generation, and water treatment.

- Quality: We follow strict quality control procedures throughout the manufacturing process, from raw material inspection to final testing, to ensure that our flanges meet or exceed the highest standards for performance and safety. We also offer a warranty for our products, to give our customers peace of mind.

- Price: We can offer competitive prices for our Uni2281 Pn10 Welding Neck Flanges, without compromising on quality or service. We have a streamlined production system and a flexible supply chain, which enable us to optimize costs and lead times for our customers.

- Service: We have a dedicated team of engineers, salespeople, and support staff, who can provide technical advice, customization options, and timely responses to inquiries and orders from our customers. We can also offer logistics and shipping solutions, to ensure that our flanges arrive at the designated destination on time and in good condition.

- Partnership: We value long-term relationships with our customers, based on mutual trust, respect, and benefit. We are open to feedback, suggestions, and collaboration with our partners, to continuously improve our products, processes, and services, and to create shared value for all stakeholders.

By emphasizing these aspects of our Uni2281 Pn10 Welding Neck Flanges, we can differentiate ourselves from other suppliers and demonstrate our value proposition to potential merchants. We can also showcase our strengths in innovation, quality, and customer service, which are critical for building a strong brand reputation and loyalty in the global market.

1. Introduction: The weld neck flange can be directly welded to butt-weld fittings like elbows, tees or reducers without requiring any short piece of pipe unlike slip-on flange which require a straight length of pipe for installation

2. Description: The Welding Neck Flanges are often used for high-pressure applications. To order a weld neck flange, it is important to specify and identify the pipe is being used. This is because the inside and the outside diameter of the Weld Neck Flanges will match the inside diameter of your pipe or Fitting.

Designation Directions	Designation Directions	d1	a	b	D	f	h	h1	m	r	s	Hole	Screw	Weight In KG
Rated Dia.	External dia. of the pipe	d1	a	b	D	f	h	h1	m	r	s	Hole	Screw	Kilogram
15	20	21	65	14	95	14	35	6	30	4	2,5	4	M 12	0,73
15	21,3	22,5	65	14	95	14	35	6	32	4	2,5	4	M 12	0,73
20	25	26	75	16	105	14	38	6	38	4	2,5	4	M 12	1,03
20	26,9	28	75	16	105	14	38	6	40	4	2,5	4	M 12	1,03
25	30	31	85	16	115	14	38	6	42	4	2,8	4	M 12	1,24
25	33,7	34,5	85	16	115	14	38	6	45	4	2,8	4	M 12	1,23
32	38	39	100	16	140	18	40	6	52	6	3	4	M 16	1,82
32	42,4	43,5	100	16	140	18	40	6	56	6	3	4	M 16	1,80
40	44,5	45,5	110	16	150	18	42	7	60	6	3	4	M 16	2,10
40	48,3	49,5	110	16	150	18	42	7	64	6	3	4	M 16	2,08
50	57	58	125	18	165	18	45	8	72	6	3,5	4	M 16	2,81
50	60,3	61,5	125	18	165	18	45	8	75	6	3,5	4	M 16	2,78
65	76,1	77	145	18	185	18	45	10	90	6	3,5	4	M 16	3,40
80	88,9	90	160	20	200	18	50	10	105	8	3,7	8**	M 16	4,20
100	108	109	180	20	220	18	52	12	125	8	3,7	8	M 16	4,90
100	114,3	115,5	180	20	220	18	52	12	131	8	3,7	8	M 16	4,75
125	133	134	210	22	250	18	55	12	150	8	4	8	M 16	6,70
125	139,7	141	210	22	250	18	55	12	156	8	4	8	M 16	6,45
150	159	161	240	22	285	22	55	12	175	10	5	8	M 20	8,30
150	168,3	170,5	240	22	285	22	55	12	184	10	5	8	M 20	8,00
175	193,7	195,5	270	24	315	22	60	12	210	10	5	8	M 20	10,3
200	219,1	221	295	24	340	22	62	16	235	10	5	8	M 20	11,4
250	267	269	350	26	395	22	68	16	285	12	5,5	12	M 20	15,6
250	273	275	350	26	395	22	68	16	292	12	5,5	12	M 20	15,2
300	323,9	326	400	26	445	22	68	16	344	12	6	12	M 20	18,0
350	355,6	357,5	460	26	505	22	68	16	385	12	6,4	16	M 20	24,5
350	368	370	460	26	505	22	68	16	385	12	6,4	16	M 20	22,5
400	406,4	408,5	515	26	565	25	72	16	440	12	7	16	M 22	30,2
400	419	421	515	26	565	25	72	16	440	12	7	16	M 22	27,8
450	457,2	459	565	26	615	25	72	16	478	12	7,3	20	M 22	32,3
500	508	510	620	28	670	25	75	16	542	12	7,3	20	M 22	40,4
600	609,6	611,5	725	28	780	30	80	18	642	12	7,3	20	M 27	50,0
700	711,2	715	840	30	895	30	80	18	745	12	9	24	M 27	66,4
800	812,8	817	950	32	1015	33	90	18	850	12	9	24	M 30	89,3
900	914,4	918	1050	34	1115	33	95	20	950	12	9	28	M 30	104
1000	1016	1020	1160	34	1230	36	95	20	1052	16	9	28	M 33	121
1200	1220	1224	1380	38	1455	39	115	25	1255	16	10	32	M 36 x 3	180
1400	1420	1424	1590	42	1675	42	120	25	1460	16	11	36	M 39 x 3	248
1600	1620	1624	1820	46	1915	48	130	25	1665	16	12	40	M 45 x 3	352
1800	1820	1824	2020	50	2115	48	140	30	1868	16	13	44	M 45 x 3	433
2000	2020	2024	2230	54	2325	48	150	30	2072	16	14	48	M 45 x 3	543
Column1	Column2	Column3	Column4	Column5	Column6	Column7	Column8	Column9	Column10	Column11	Column12	Column13	Column14	Column15
Designation Directions	Designation Directions	d1	a	b	D	f	h	h1	m	r	s	Hole	Screw	Weight In KG
Rated Dia.	External dia. of the pipe	d1	a	b	D	f	h	h1	m	r	s	Hole	Screw	Kilogram
15	20	21	65	14	95	14	35	6	30	4	2,5	4	M 12	0,73
15	21,3	22,5	65	14	95	14	35	6	32	4	2,5	4	M 12	0,73
20	25	26	75	16	105	14	38	6	38	4	2,5	4	M 12	1,03
20	26,9	28	75	16	105	14	38	6	40	4	2,5	4	M 12	1,03
25	30	31	85	16	115	14	38	6	42	4	2,8	4	M 12	1,24
25	33,7	34,5	85	16	115	14	38	6	45	4	2,8	4	M 12	1,23
32	38	39	100	16	140	18	40	6	52	6	3	4	M 16	1,82
32	42,4	43,5	100	16	140	18	40	6	56	6	3	4	M 16	1,80
40	44,5	45,5	110	16	150	18	42	7	60	6	3	4	M 16	2,10
40	48,3	49,5	110	16	150	18	42	7	64	6	3	4	M 16	2,08
50	57	58	125	18	165	18	45	8	72	6	3,5	4	M 16	2,81
50	60,3	61,5	125	18	165	18	45	8	75	6	3,5	4	M 16	2,78
65	76,1	77	145	18	185	18	45	10	90	6	3,5	4	M 16	3,40
80	88,9	90	160	20	200	18	50	10	105	8	3,7	8**	M 16	4,20
100	108	109	180	20	220	18	52	12	125	8	3,7	8	M 16	4,90
100	114,3	115,5	180	20	220	18	52	12	131	8	3,7	8	M 16	4,75
125	133	134	210	22	250	18	55	12	150	8	4	8	M 16	6,70
125	139,7	141	210	22	250	18	55	12	156	8	4	8	M 16	6,45
150	159	161	240	22	285	22	55	12	175	10	5	8	M 20	8,30
150	168,3	170,5	240	22	285	22	55	12	184	10	5	8	M 20	8,00
175	193,7	195,5	270	24	315	22	60	12	210	10	5	8	M 20	10,3
200	219,1	221	295	24	340	22	62	16	235	10	5	8	M 20	11,4
250	267	269	350	26	395	22	68	16	285	12	5,5	12	M 20	15,6
250	273	275	350	26	395	22	68	16	292	12	5,5	12	M 20	15,2
300	323,9	326	400	26	445	22	68	16	344	12	6	12	M 20	18,0
350	355,6	357,5	460	26	505	22	68	16	385	12	6,4	16	M 20	24,5
350	368	370	460	26	505	22	68	16	385	12	6,4	16	M 20	22,5
400	406,4	408,5	515	26	565	25	72	16	440	12	7	16	M 22	30,2
400	419	421	515	26	565	25	72	16	440	12	7	16	M 22	27,8
450	457,2	459	565	26	615	25	72	16	478	12	7,3	20	M 22	32,3
500	508	510	620	28	670	25	75	16	542	12	7,3	20	M 22	40,4
600	609,6	611,5	725	28	780	30	80	18	642	12	7,3	20	M 27	50,0
700	711,2	715	840	30	895	30	80	18	745	12	9	24	M 27	66,4
800	812,8	817	950	32	1015	33	90	18	850	12	9	24	M 30	89,3
900	914,4	918	1050	34	1115	33	95	20	950	12	9	28	M 30	104
1000	1016	1020	1160	34	1230	36	95	20	1052	16	9	28	M 33	121
1200	1220	1224	1380	38	1455	39	115	25	1255	16	10	32	M 36 x 3	180
1400	1420	1424	1590	42	1675	42	120	25	1460	16	11	36	M 39 x 3	248
1600	1620	1624	1820	46	1915	48	130	25	1665	16	12	40	M 45 x 3	352
1800	1820	1824	2020	50	2115	48	140	30	1868	16	13	44	M 45 x 3	433
2000	2020	2024	2230	54	2325	48	150	30	2072	16	14	48	M 45 x 3	543