Lap Joint Flanges

Precision-engineered Lap Joint Flanges designed for piping systems requiring frequent dismantling and alignment flexibility.

Product Overview

Blind Flange

Shatrunjay Special Alloys is a trusted manufacturer, exporter, and supplier of premium-quality Blind Flanges and Stainless Steel Blind Flanges in Grades 304, 304L, 316, and 316L. In addition, we manufacture flanges in Carbon Steel, Alloy Steel, Duplex Steel, Super Duplex Steel, Inconel, Monel, Hastelloy, Copper Nickel, and other special alloys. Furthermore, our Blind Flanges are available in a wide range of sizes, pressure classes, and finishes in both metric and inch dimensions to meet diverse industrial requirements. Moreover, every flange is manufactured in accordance with international standards, ensuring exceptional strength, corrosion resistance, dimensional accuracy, and long service life. As a result, our Blind Flanges are widely trusted by customers across India and Asia for demanding industrial applications. Blind Flanges are designed to seal the ends of pipelines, valves, pumps, and pressure vessel openings securely. Moreover, they provide easy access for future inspection, maintenance, testing, and system modifications whenever required. Additionally, these flanges deliver a strong, leak-proof seal even under high-pressure and high-temperature operating conditions. Therefore, they are extensively used in industries such as oil & gas, petrochemicals, chemical processing, power generation, water treatment, marine, pharmaceuticals, food processing, and construction. Consequently, they improve system safety, enhance operational efficiency, and reduce maintenance downtime. Overall, Shatrunjay Special Alloys supplies precision-engineered Blind Flanges that ensure reliable performance, long-lasting durability, and superior sealing in critical industrial piping systems.

Provides a secure seal at the end of piping systems
Ideal for maintenance and inspection access
Strong and leak-proof performance
Available in multiple materials and grades
Suitable for high-pressure industrial applications

Lap Joint Flanges, LJ Forged Flanges Production Range

Shatrunjay Special Alloys manufactures Lap Joint Flanges in a comprehensive range of sizes, pressure ratings, materials, and international standards. Moreover, every flange is produced using premium-quality raw materials to ensure exceptional strength, dimensional accuracy, and corrosion resistance. In addition, our products are thoroughly inspected to meet stringent quality requirements. Therefore, customers can rely on our Lap Joint Flanges for demanding industrial applications across various sectors.

Size

1/2″ (15 NB) to 48″ (1200 NB)

Standards

ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings

Pressure Ratings

Class 150, Class 300, Class 400, Class 600, Class 900, Class 1500, Class 2500, PN6, PN10, PN16, PN25, PN40, PN64, and higher ratings as required.

Carbon Steel Lap Joint Flanges

ASTM A105/A105N, ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, ASTM A694 F42, F46, F48, F50, F52, F56, F60, F65, F70, ASTM A516 Grade 60, 65 & 70, Spectacle Lap Joint Flanges, Spacer Ring, Spade Flanges, Steel RST37.2, C22.8.

Stainless Steel Lap Joint Flanges

ASTM A182 F304, F304L, F304H, F316, F316L, F316H, F316Ti, F310, F321, F904L.

Alloy Steel Lap Joint Flanges

ASTM A182 F1, F5, F9, F11, F22, F91.

Special Alloy Lap Joint Flanges

Duplex Steel, Super Duplex Steel, Nickel Alloys, Inconel, Monel, Hastelloy, Titanium, and other special alloys.

Flange Face Type

Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ).

Coating / Surface Treatment

Anti-rust Paint, Oil Black Paint, Yellow Transparent Coating, Zinc Plating, Cold Galvanizing, and Hot-Dip Galvanizing.

Value Added Services

CNC Machining, Precision Finishing, Custom Manufacturing, Special Drilling, Marking, Packaging, and Third-Party Inspection.

Furthermore, all Lap Joint Flanges are manufactured according to customer specifications and international quality standards. As a result, they provide excellent sealing performance, durability, and long service life. Overall, Shatrunjay Special Alloys delivers reliable flange solutions for oil & gas, petrochemical, power generation, marine, and other industrial applications worldwide.

Applications

Lap Joint Flanges are widely used in industrial piping systems where frequent dismantling, inspection, cleaning, and maintenance are required. Moreover, their design allows easy alignment and quick assembly, making installation more efficient. In addition, they provide excellent flexibility when used with stub ends, especially in systems handling corrosive fluids and high-pressure operations. Therefore, they are a preferred choice for a wide range of industrial applications.

Oil & Gas Processing Systems

Petrochemical & Refinery Plants

Chemical Processing Industry

Water Treatment & Distribution Systems

Food Processing & Pharmaceutical Plants

Piping Systems Requiring Frequent Maintenance

Furthermore, Lap Joint Flanges are suitable for applications where regular equipment servicing and pipeline modifications are necessary. As a result, they help reduce maintenance time, lower operational costs, and improve overall system efficiency. Overall, Shatrunjay Special Alloys supplies high-quality Lap Joint Flanges that deliver reliable performance across diverse industrial environments.

Lap Joint Flanges Dimensions & Standards

Size Range : 1/2″ to 48″ (15 NB to 1200 NB)
Pressure Class : Class 150, 300, 400, 600, 900, 1500, 2500
International Standards : ANSI B16.5, ANSI B16.47 Series A & B, MSS SP-44, API 605
European Standards : BS4504 – PN6, PN10, PN16, PN25, PN40, PN64
Flange Facing Types : Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Compatible Components : Used together with Lap Joint Stub Ends
DIN Standards : Available as per DIN flange specifications

Specification / Dimension of Lap Joint Flanges

150 Lbs

Swipe → to view full table

Nominal Bore	Dia. (D)	Thick. (E)	Dia. (B)	Dia. (A)	Height (H)	Drilling
Nominal Bore	Dia. (D)	Thick. (E)	Dia. (B)	Dia. (A)	Height (H)	Nbr	Holes	Dia. (C)
1/2"	90	11.2	30	22.9	16	4	15.87	60.3
3/4"	100	12.7	38	28.2	16	4	15.87	69.9
1"	110	14.3	49	34.9	17	4	15.87	79.4
1 1/4"	115	15.9	59	43.7	21	4	15.87	88.9
1 1/2"	125	17.5	65	50.0	22	4	15.87	98.4
2"	150	20.7	78	62.5	25	4	19.05	120.7
2 1/2"	180	22.3	90	75.4	29	4	19.05	139.7
3"	190	23.9	108	91.4	30	4	19.05	152.4
3 1/2"	215	23.9	122	104.1	32	8	19.05	177.8
4"	230	23.9	135	116.8	33	8	19.05	190.5
5"	255	23.9	164	144.4	36	8	22.22	215.9
6"	280	25.4	192	171.4	40	8	22.22	241.3
8"	345	28.6	246	222.2	44	8	22.22	298.5
10"	405	30.2	305	277.4	49	12	25.40	362.0
12"	485	31.8	365	328.2	56	12	25.40	431.8
14"	535	35.0	400	360.2	79	12	28.57	476.3
16"	595	36.6	457	411.2	87	16	28.57	539.8
18"	635	39.7	505	462.3	97	16	31.75	577.9
20"	700	42.9	559	514.4	103	20	31.75	635.0
24"	815	47.7	663	616.0	111	20	34.92	743

Need Lap Joint Flanges for Your Project?

Whether you require standard or custom-made Lap Joint Flanges, Shatrunjay Special Alloys is ready to meet your project requirements with precision and quality. Moreover, our experienced team provides expert technical guidance to help you select the most suitable flange specifications for your application. In addition, we offer competitive pricing, timely delivery, and dependable customer support for both domestic and international orders. Therefore, you can rely on us for premium-quality Lap Joint Flanges that deliver outstanding durability, reliable sealing, and long-term industrial performance. Contact us today to discuss your requirements and receive a customized quotation.

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Office Address

ARIHANT LIFESCAPES, 106/1ST FLOOR, V.P ROAD,
PRARTHANA SAMAJ GIRGAON, MUMBAI - 400004

Office Landline

022 66362378 / 022 67436484

Phone

+91 9920148679 / +91 9321631821

Email

jscmetalpurav@gmail.com
ssalloysales@gmail.com

OUR LOCATIONS

Our Warehouses

Strategically located warehouses to ensure faster dispatch, better inventory management, and efficient delivery support.

South Mumbai Warehouse

147, SANT SENA MAHARAJ MARG
2ND KUMBHARWADA, GOEL DEVAL
MANDIR Mumbai 400004

Mazgaon Warehouse

1A, VELJI LAKHAMJI CHAWL,
HUTATMA DATTARAM BHAU KOYANDE MARG
MAZGAON, Maharashtra 400010

Kalamboli Warehouse

Plot No. 1824, Steel Market,
Kalamboli, Navi Mumbai – 410218

Our Sales Team

Purav

+91 99201 48679

jscmetalpurav@gmail.com

Neelam

+91 9321631821

Ssalloysales@gmail.com

Amit

+91 8828441556

Info@ssalloy.in

Bhoomi

+91 02267496304

Accounts Department

Rahul

+91 9820008975

Salesshatrunjay@gmail.com