SS 304 Blind Flange

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MOQ : 100 Pieces

About SS 304 Blind Flange

Experience the grand unveiling of our fresh and exclusive SS 304 Blind Flange, meticulously created for industrial brilliance. This new release stands out for its valiant engineering and splendid performance, available in various sizes and multiple grades per ANSI standards. Crafted using EFW technics, it offers superior corrosion resistance, making it ideal for demanding environments. As a trusted exporter, manufacturer, supplier, and trader from India, we present high-quality, galvanized mild steel blind flanges with polished surfaces, ensuring enduring strength and reliability for your industrial applications.

Versatile Industrial Application

The SS 304 Blind Flange boasts a galvanized and polished surface, making it perfect for corrosive and challenging industrial environments. Widely used across mechanical, chemical, and energy sectors, it seals pipeline ends and ensures system integrity. This flange is used as an isolation device for piping systems and supports various sizes, providing flexibility and effectiveness in a multitude of industrial installations.

Certifications & Packaging Details

Our SS 304 Blind Flange arrives with official certifications ensuring international and domestic standard compliance. Packaging details are tailored to proposal amount and project requirements, safeguarding product integrity during shipment within the domestic market and exports. We offer a sample policy to support testing and evaluation for bulk orders, ensuring each arrival meets your performance expectations.

SS Flanges Specification

Standards	ASTM A182 / ASME SA182
Dimensions	ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Size	1/2" (15 NB) to 48" (1200NB)
Class	150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Standard	ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Flange Face Types	Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

SS Flange Dimensions

NPS (in.)	Stainless Steel Flange Dimensions
NPS (in.)	Dia. of Flange (in.)	No. of Bolts	Dia. of Bolts (in.)	Dia. of Bolt Holes (in.)	Bolt Circle (in.)
1/4	3-3/8	4	1/2	0.62	2-1/4
1/2	3-1/2	4	1/2	0.62	2-3/8
3/4	3-7/8	4	1/2	0.62	2-3/4
1	4-1/4	4	1/2	0.62	3-1/8
1-1/4	4-5/8	4	1/2	0.62	3-1/2
1-1/2	5	4	1/2	0.62	3-7/8
2	6	4	5/8	0.75	4-3/4
2-1/2	7	4	5/8	0.75	5-1/2
3	7-1/2	4	5/8	0.75	6
3-1/2	8-1/2	8	5/8	0.75	7
4	9	8	5/8	0.75	7-1/2
5	10	8	3/4	0.88	8-1/2
6	11	8	3/4	0.88	9-1/2
8	13-1/2	8	3/4	0.88	11-3/4
10	16	12	7/8	1	14-1/4
12	19	12	7/8	1	17
14	21	12	1	1.12	18-3/4
16	23-1/2	16	1	1.12	21-1/4
18	25	16	1-1/8	1.25	22-3/4
20	27-1/2	20	1-1/8	1.25	25
24	32	20	1-1/4	1.38	29-1/2

SS Flanges Weight Chart

Pipe Normal Diameter (inch)		Outer diameter Flange	Thicjness Of Flange Minimum	Diameter of Hub	Diameter of Raised Face	Length Hub.Y	Thread Length	Diameter of Bolt Circle	Diameter of Bolt Holes	Number of Bolts	Diameter of Bolts (inch)	KG	LB
1/2"	15	89.00	11.20	30.20	35.10	15.70	15.70	60.50	15.80	4	1/2"	0.4	0.9
3/4"	20	98.50	12.70	38.10	42.90	15.70	15.70	69.90	15.80	4	1/2"	0.7	1.5
1"	25	108.00	14.20	49.30	50.80	17.50	17.50	79.30	15.80	4	1/2"	0.8	1.8
1-1/4"	32	117.50	15.70	58.70	63.50	20.60	20.60	88.90	15.80	4	1/2"	1.2	2.6
1-1/2"	40	127.00	17.50	65.00	73.20	22.40	22.40	98.60	15.80	4	1/2"	1.5	3.3
2"	50	152.50	19.10	77.70	91.90	25.40	25.40	120.70	19.10	4	5/8"	2.3	5.1
2-1/2"	65	178.00	22.40	90.40	104.60	28.40	28.40	139.70	19.10	4	5/8"	3.7	8.1
3"	80	190.50	23.90	108.00	127.00	30.20	30.20	152.40	19.10	4	5/8"	4.1	9
3-1/2"	90	216.00	23.90	122.20	139.70	31.80	31.80	177.80	19.10	8	5/8"	5.1	11.2
4"	100	228.50	23.90	134.90	157.20	33.30	33.30	190.50	19.10	8	5/8"	5.9	13
5"	125	254.00	23.90	163.60	185.70	36.60	36.60	215.90	22.40	8	3/4"	7	15.4
6"	150	279.50	25.40	192.00	215.90	39.60	39.60	241.30	22.40	8	3/4"	8.4	18.5
8"	200	343.00	28.40	246.10	269.70	44.50	44.50	298.50	22.40	8	3/4"	13	28.6
10"	250	406.50	30.20	304.80	323.90	49.30	49.30	362.00	25.40	12	7/8"	18	39.5
12"	300	482.50	31.80	365.30	381.00	55.60	55.60	431.80	25.40	12	7/8"	29	64
14"	350	533.50	35.10	400.10	412.80	57.20	57.20	476.30	28.50	12	1"	39	86
16"	400	597.00	36.60	457.20	469.90	63.50	63.50	539.80	28.50	16	1"	47	103
18"	450	635.00	39.60	505.00	533.40	68.30	68.30	577.90	31.80	16	1 1/8"	57	126
20"	500	698.50	42.90	558.80	584.20	73.20	73.20	635.00	31.80	20	1 1/8"	76	167
24"	600	813.00	47.80	663.40	692.20	82.60	82.60	749.30	35.10	20	1 1/4"	97	214

Stainless Steel Flange Pressure Rating Chart

ASME	Pressure Temperature Ratings For Stainless Steel Flanges
Temperature °F	Class 150	Class 300	Class 400	Class 600	Class 900	Class 1500	Class 2500
-20 to 100	275	720	960	1440	2160	3600	6000
200	230	600	800	1200	1800	3000	5000
300	205	540	720	1080	1620	2700	4500
400	190	495	660	995	1490	2485	4140
500	170	465	620	930	1395	2330	3880
600	140	435	580	875	1310	2185	3640
650	125	430	575	860	1290	2150	3580
700	110	425	565	850	1275	2125	3540
750	95	415	555	830	1245	2075	3460
800	80	405	540	805	1210	2015	3360
850	65	395	530	790	1190	1980	3300
900	50	390	520	780	1165	1945	3240
950	35	380	510	765	1145	1910	3180
1000	20	320	430	640	965	1605	2675
1050	20	310	410	615	925	1545	2570
1100	20	255	345	515	770	1285	2145
1150	20	200	265	400	595	995	1655
1200	20	155	205	310	465	770	1285
1250	20	115	150	225	340	565	945
1300	20	85	115	170	255	430	715
1350	20	60	80	125	185	310	515
1400	20	50	65	95	145	240	400
1450	15	35	45	70	105	170	285
1500	10	25	35	55	80	135	230

FAQs of SS 304 Blind Flange:

Q: How is the SS 304 Blind Flange manufactured for high corrosion resistance?

A: The SS 304 Blind Flange is produced using advanced EFW (Electric Fusion Welding) technics and is coated with a galvanized finish, ensuring robust corrosion resistance suitable for industrial environments.

Q: What sizes are available for the SS 304 Blind Flange?

A: Various sizes are available for the SS 304 Blind Flange, designed to accommodate diverse industrial piping requirements. Consult our product catalog or sales team for specific measurements.

Q: Where can the SS 304 Blind Flange be applied?

A: This flange is ideal for applications in chemical processing, petrochemical plants, mechanical engineering, and energy industries, where it effectively seals pipeline ends and ensures operational safety.

Q: When will the SS 304 Blind Flange sample arrive after placing a request?

A: Upon approval of your sample policy proposal and confirmation, samples typically arrive within the agreed timeframe for domestic and export markets. Contact our support team for precise delivery details.

Q: What is the process for placing an order for multiple grades?

A: To order SS 304 Blind Flanges in multiple grades, submit your specifications and proposal amount. Our sales team will guide you through grade selection, certification requirements, and prompt shipping preparation.

Q: What are the main benefits of using a polished SS 304 Blind Flange?

A: The splendid polished finish enhances corrosion resistance, provides a smooth surface for sealing, and elevates system reliability, making it valiant for high-demand industrial applications.

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