1.4301 DN100 Weld Neck Flange (WN) Stainless Steel PN2.5 EN 1092-1

Product Overview

1.4301 DN100 Weld Neck Flange (WN) Stainless Steel PN2.5 EN 1092-1

The 1.4301 DN100 Weld Neck Flange (WN) Stainless Steel PN2.5 EN 1092-1 is a high-quality industrial piping component manufactured to meet stringent international standards. Designed for critical applications across various industries, this flange offers exceptional performance, reliability, and longevity.

Our stainless steel flanges are precision-engineered using advanced manufacturing techniques and premium-grade materials. Each flange undergoes rigorous quality control and testing to ensure compliance with dimensional tolerances and pressure ratings specified by international standards.

Key Features

• Premium Quality Materials: Manufactured from certified stainless steel grades ensuring excellent corrosion resistance and durability
• Precision Engineering: CNC machined to exact specifications with tight tolerances meeting international standards
• Comprehensive Size Range: Available in multiple sizes and pressure ratings to suit various piping applications
• Industry Compliance: Fully compliant with ASME, EN, DIN, JIS, and other international standards
• Versatile Applications: Suitable for oil & gas, chemical processing, power generation, water treatment, and other industrial applications
• Quality Assurance: 100% inspection and testing with comprehensive documentation and traceability
• Customization Available: Custom manufacturing services available for special requirements and non-standard dimensions
• Global Supply: Worldwide shipping with experienced logistics support ensuring safe and timely delivery

Dimensions & Sizes

Dimensions & Sizes

DN	Pipe OD, A		OD, D	Dmtr of Bolt Circle, K	Dmtr of Bolt Holes, L	No. of bolts	Dmtr of Raised Face, d	Height of Raised Face, f1	Flange Thick, C	Length of Flange, H	Neck Diameter , N		Wall thick, S	Length of right end, H1	Radius of Corners, r
	Series Ⅰ	Series Ⅱ									Series Ⅰ	Series Ⅱ
10	17.2	14	75	50	11	4	35	2	12	28	26		2	6	4
15	21.3	18	80	55	11	4	40	2	12	30	30		2	6	4
20	26.9	25	90	65	11	4	50	2	14	32	38		2.3	6	4
25	33.7	32	100	75	11	4	60	2	14	35	42		2.6	6	4
32	42.4	38	120	90	14	4	70	2	14	35	55		2.6	6	6
40	48.3	45	130	100	14	4	80	3	14	38	62		2.6	7	6
50	60.3	57	140	110	14	4	90	3	14	38	74		2.9	8	6
65	76.1	79	160	130	14	4	110	3	14	38	88		2.9	9	6
80	88.9	89	190	150	18	4	128	3	16	42	102		3.2	10	8
100	114.3	108	210	170	18	4	148	3	16	45	130		3.6	10	8
125	139.7	133	240	200	18	8	178	3	18	48	155		4	10	8
150	168.3	159	265	225	18	8	202	3	18	48	184		4.5	12	10
200	219.1	219	320	280	18	8	258	3	20	55	236		6.3	15	10
250	273	273	375	335	18	12	312	3	22	60	290		6.3	15	12
300	323.9	325	440	395	22	12	365	4	22	62	342		7.1	15	12
350	355.6	377	490	445	22	12	415	4	22	62	385	390	7.1	15	12
400	406.4	426	540	495	22	16	465	4	22	65	438	440	7.1	15	12
450	457	480	595	550	22	16	520	4	22	65	492	494	7.1	15	12
500	508	530	645	600	22	20	570	4	24	68	538	545	7.1	15	12
600	610	630	755	705	26	20	670	5	30	70	640	650	7.1	16	12
700	711	720	860	810	26	24	775	5	30	76	740	740	7.1	16	12
800	813	820	975	920	30	24	880	5	30	76	842	844	7.1	16	12
900	914	920	1075	1020	30	24	980	5	30	78	942	944	7.1	16	12
1000	1016	1020	1175	1120	30	28	1080	5	30	82	1045		8	16	16
1200	1219	1220	1375	1320	30	32	1280	5	32	94	1245		8	16	16
1400	1422	1420	1575	1520	30	36	1480	5	38	96	1445		8.8	16	16
1600	1626	1620	1790	1730	30	40	1690	5	46	102	1645		10	20	16
1800	1829	1820	1990	1930	30	44	1890	5	46	110	1845		11	20	16
2000	2032	2020	2190	2130	30	48	2090	5	50	122	2045		11	22	16
2200	2235	2220	2405	2340	33	52	2295	5	56	129	2248		11	25	18
2400	2438	2420	2605	2540	33	56	2495	5	62	143	2448		11	25	18
2600	2620		2805	2740	33	60	2695	5	64	148	2648		11	25	18
2800	2820		3030	2960	36	64	2910	5	74	161	2848		11	25	18
3000	3020		3230	3160	36	68	3110	5	80	170	3050		11	25	18
3200	3220		3430	3360	36	72	3310	5	84	180	3250		11	25	20
3400	3420		3630	3560	36	76	3510	5	90	194	3450		11	28	20
3600	3620		3840	3770	36	80	3720	5	96	201	3652		11	28	20
3800	3820		4045	3970	39	80	3920	5	102	212	3852		11	28	20
4000	4020		4245	4170	39	84	4120	5	106	226	4052		11	28	20
PN2.5

 

This flange is available in a comprehensive range of sizes and pressure ratings to accommodate diverse piping system requirements. Our manufacturing capabilities allow us to produce both standard and custom dimensions.

Available Sizes: Wide range from small bore to large diameter

Pressure Ratings: Multiple pressure classes available (Class 150, 300, 600, 900, 1500, 2500, and PN ratings)

Connection Types: Suitable for welding, threading, or slip-on connections depending on flange type

For detailed dimension tables and technical drawings, please contact our technical support team. We can provide comprehensive dimensional specifications according to your required standard (ASME, EN, DIN, JIS, etc.).

Applications

This flange is ideal for use in:

• Oil & Gas Industry: Upstream, midstream, and downstream applications
• Chemical & Petrochemical: Process piping, reactors, and storage systems
• Power Generation: Conventional and renewable energy facilities
• Water Treatment: Municipal and industrial water systems
• Pharmaceutical: Sanitary process applications
• Food & Beverage: Hygienic piping systems
• Marine & Offshore: Shipbuilding and offshore platforms
• General Industry: Manufacturing, HVAC, and building services

Quality Assurance

We maintain the highest standards of quality control throughout the manufacturing process:

• ISO 9001:2015 certified manufacturing facility
• 100% material traceability with heat number tracking
• Comprehensive testing including chemical analysis, mechanical testing, and non-destructive examination
• Third-party inspection available (TPI, LPI, SGS, BV, etc.)
• Complete documentation package including MTC 3.1, test certificates, and dimension reports

FAQ

1. What materials are used for 1.4301 DN100 Weld Neck Flange?

Our 1.4301 DN100 Weld Neck Flange is manufactured from high-quality stainless steel grades including F304, F304L, F316, F316L, and other equivalent materials according to international standards. Material certificates are provided with each order.

2. What standards does this flange comply with?

This flange is manufactured in compliance with major international standards including ASME B16.5, ASME B16.47, EN 1092-1, DIN standards, JIS B2220, and HG/T standards. We can provide third-party inspection certificates upon request.

3. What is the delivery time?

Standard sizes are typically available from stock with 3-7 days delivery. Custom orders require 15-30 days depending on specifications and quantity. Rush orders can be accommodated with additional coordination.

4. Can you provide custom dimensions?

Yes, we offer custom manufacturing services. We can produce flanges according to your specific drawings and requirements. Our engineering team can also assist with design optimization.

5. What quality certifications do you provide?

We provide comprehensive documentation including Material Test Certificates (MTC), Third-Party Inspection Reports (TPI), Dimension Reports, and Pressure Test Certificates. All products comply with international quality standards.

Why Choose Our Flanges?

With decades of experience in manufacturing industrial piping components, we have established ourselves as a trusted supplier of high-quality flanges worldwide. Our commitment to excellence is reflected in:

• Technical Expertise: Experienced engineering team providing technical support and custom solutions
• Manufacturing Excellence: State-of-the-art facilities with advanced CNC machining and testing equipment
• Quality Focus: Rigorous quality control at every stage from raw material to finished product
• Customer Service: Responsive support team ensuring smooth order processing and after-sales service
• Competitive Pricing: Direct manufacturer pricing with no intermediary markups
• On-Time Delivery: Efficient production planning and reliable logistics partnerships