What different national standard flanges can we provide?

YANHAO offers a wide range of flanges, pipe flanges, ANSI flanges, ASME Flanges, JIS flanges, weld neck flanges, slip-on flanges, blind flanges, socket weld flanges, threaded flanges, lap joint flanges, Alloy steel flanges, carbon steel flanges, stainless steel flanges, metal flanges, based on guaranteed quality. Common production as world standards includes ASA/ANSI (USA), PN/DIN/EN (European), BS10 (British/Australian), BS4504 (British/Australian), and JIS (Japanese). Our flanges are made by forging or casting according to the client’s requests. Further, the industrial flanges in each standard are divided into pressure classes, allowing flanges to be capable of taking different pressure ratings. These pressure classes also have differing pressure and temperature ratings for different materials.

In ASA/ANSI flanges, our pressure rating includes 75PSI, 150PSI, 300PSI, 400PSI, 600PSI, 900PSI, 1500PSI, and 2500PSI. In PN/DIN/EN/BS, our pressure rating includes PN2.5, PN6, PN10, PN16, PN25, PN40, PN64, PN100, PN160, PN250, PN320, and PN400. And our pressure rating for the JIS flange covers 2K, 5K, 10K, 16K, 20K, 30K, 40K, and 63K. We can offer carbon steel in ASTM/ASME A/SA105 A/SA105N & A216-WCB, DIN1.0402, DIN1.0460, DIN1.0619 and stainless steel in ASTM/ASME A/SA182 F304, F304L, F316, F316L, ASTM/ASME A/SA351 CF8, CF3, CF8M, CF3M, DIN1.4301, DIN1.4306, DIN1.4401, DIN1.4404, DIN1.4308, DIN1.4408, DIN1.4306, DIN1.4409 material to satisfy you.

Our flange faces are also made to standardized dimensions and are typically flat face (FF), raised face (RF), or ring joint (RJT) styles. Flange designs are available as weld neck flange (WN), slip-on flange (SO), lap joint flange (LJ), socket weld flange (SO), threaded / screwed flange (TH), blind flange (BL), plate flange (PL), orifice flange, orifice plate, spectacle blind, spectacle flange, blind spacer and also blank.

ANSI/ASME flange –The standard of ASME/ANSI B16.5 covers weld neck flange, threaded / screwed flange, slip-on flange, socket weld flange, lap joint flange, blind flange for sizes up to 24″ diameter, in rating classes of 150, 300, 400, 600, 900, 1500 and 2500. As for ASME/ANSI B16.47 Series A (MSS SP-44) and ASME/ANSI B16.47 Series B (API 605) for weld neck flange & blind flange, the size range is 26″ through to 60″ diameter. In series A, our class ratings are for 150lb, 300lb, 400lb, 600lb, and 900lb. In series B, our class ratings are for 75lb, 150lb, 300lb, 400lb, 600lb, and 900lb. Our ASME/ANSI B16.36 Orifice Flanges including weld neck, slip-on, threaded (screwed) type, covers sizes from 1″ to 24″ in rating classes of 300lb, 400lb, 600lb, 900lb, 1500lb, and 2500lb. And ASME/ANSI B16.48 (API 590) for Spacer, Blanks, and Spectacle Blinds for sizes up to 24” diameter, in pressure class 150lb, 300lb, 400lb, 600lb, and 900lb.

BS flange – The standard of BS10 Table D, E, F, H, J, K, R, S, and T covers Slip On Boss, Plate Blind, Weld Neck, Plate Slip-On, Bossed Screwed / Threaded for sizes up to NB4000. As for BS4504 Section 3.1: 1989 specification, we can offer Slip On Plate (Code 101), Blind / Blank (Code 105), Weld Neck (Code 111), Slip On (Code 112), Screwed / Threaded (Code 113) for size range is DN10 through to DN4000 diameter and class rating includes PN2.5, PN6, PN10, PN16, PN25, PN40, PN64, PN100. Our line also Involves BS1042 for Concentric Square Edge Orifice Plates, Quarter Circle Orifice Plates, Conical Entrance Orifice Plate, Restriction Orifice Plate, Segmental Orifice Plate,s and Eccentric Orifice Plate.

DIN flange –The standard of DIN flanges coversDIN 2527 PN6, PN10, PN16, PN25, PN40, PN64, PN100 for Blind Flange, DIN2573 PN6, DIN2576 PN10, DIN2543 PN16, DIN2544 PN25, DIN2545 PN40, DIN2502 PN16, DIN2503 PN25, DIN2503 PN40 for Flat Flange for welding (Slip On), DIN2630 PN1, DIN2630 PN2.5, DIN2631 PN6, DIN2632 PN10, DIN2633 PN16, DIN2634 PN25, DIN2635 PN40, DIN2636 PN64 , DIN2637 PN100, DIN2638 PN160, DIN2628 PN250, DIN2629 PN320, DIN2627 PN400 for Welding Neck Flange, DIN 2641 PN6, DIN2642 PN10 for Lapped (Lapped Joint) Flange, Plain Collar, DIN2652 PN6, DIN2653 PN10, DIN2655 PN25, DIN2656 PN40 for Loose Flange and Ring for Weld (Slip-On Flange and Plain Collar) , DIN2673PN10, DIN2674 PN16, DIN2675 PN25, DIN2676 PN40 for Loose Flange and Ring with Neck for Welding, DIN2558 PN6 for Oval Plain Threaded Flange, DIN2561 PN10, PN16 for Oval Flange with Neck Threaded, DIN2565 PN6, DIN2566 PN10, DIN2566 PN16, DIN2567 PN25, DIN2567 PN40, DIN2568 PN64, DIN2569 PN100 for Threaded Flange with Neck, DIN28115 PN10, PN25 for Long Neck Welding Flange and DIN86029 PN10, DIN86030 PN16 for Hubbed Slip On Flange for Welding for sizes up to DN4000 diameter. Our pressure rating includes PN1, PN2.5, PN6, PN10, PN16, PN25, PN40, PN64, PN100, PN160, PN250,

EN1092-1 flange – The standard of EN1092-1 flanges (EN flanges) involves Type 01 Plate (slip-on) Flanges for Welding, Type 02 Loose Plate Flanges with Weld On Plate Collar or for lapped pipe end, Type 04 Loose Plate Flanges with Weld Neck Collar, Type 05 Blind Flange, Type 11 Weld Neck Flange, Type 12 Hubbed Slip On Flanges for Welding, Type 13 Hubbed Threaded Flanges, Type 21 Integral Flange, Type 32 Weld on Plate Collar, Type 33 Lapped Pipe End, Type 34 Weld neck Collar, Type 35 Welding Neck, Type 36 Pressed collar with a long neck, Type 37 Pressed Collar. The types of EN1092-1 flanges and collars are type no. 01, 02, 04, 05, 11, 12, 13, 21, 32, 33, 34, 35, 36, and 37. According to specification, type numbers 32, 33, 35, 36, and 37 are for use with type 02 flange, and type number 34 is for use with type 04 flange. Our available size range is from DN10 up to DN4000 diameter and pressure rating includes PN2.5, PN6, PN10, PN16, PN25, PN40, PN64, PN100, PN160, PN250, PN320, PN400.

JIS flange –The standard of JIS B2220 covers blind flange (BL), slip-on flange (SOP), plate flange (PL), and weld neck flange (WN) for sizes from 10A up to 1500A diameter, in rating classes of 2K, 5K, 10K, 16K, 20K, 30K, 40K and 63K.

We are a stainless steel manufacturer, carbon steel manufacturer, Flanges manufacturer, Flanges supplier, Fittings manufacturer, and Pipe Fitting manufacturer, We are also a China flanges manufacturer, China flanges supplier, China flanges factory, China wholesale, and China exporter because we are manufacturing in China our weld flanges, weld-on flanges, welding flanges, weld neck flanges, welding neck flanges, welded flanges, weld neck flange, slip-on flanges, plate flanges, blind flanges, flat flanges, socket weld flanges, socket flanges, orifice flanges, threaded flanges, lap joint flanges, spectacle flanges, spectacle blind, orifice plate, steel flanges, carbon flanges, carbon steel flanges, stainless flanges, stainless steel flanges, metal flanges, which are made in China too. Also welcome to buy from China our steel flanges.

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