ASTM A694 M / ASME SA694 M
Technical aspects and scope of ASTM/ASME A/SA 694 The ASTM/ASME A/SA 694 specification governs the manufacture of forged and bent flange connections, fittings, valves, and other components for piping systems operating under high-pressure conditions that require high material strength. Products manufactured by EV Group China in accordance with this standard fully comply with the dimensional […]
ASTM A182 M / ASME SA182 M
Technical features of the ASTM A182 / ASME SA 182 standard The ASTM A182 / A182M standard (identical to ASME SA 182 / SA 182M) regulates requirements for forged and rolled products used in high-pressure piping systems. This specification covers a wide range of components: flanges, fittings, valves, and parts for assemblies operating under high-temperature […]
ANSI / ASME B16.47
Technical regulation and scope of the ASME B16.47 standard This international technical standard establishes strict requirements for pressure and temperature ratings, material selection, dimensional tolerances, marking procedures, and testing methods for large-diameter pipe flanges (nominal sizes from NPS 26 to NPS 60). The supply of high-quality metal products meeting these specifications is carried out by […]
ANSI / ASME B16.36
Technical regulations and scope of ASME B16.36 orifice flanges The ASME B16.36 standard establishes rigorous requirements for the design of flanges intended for measuring medium flow rates via differential pressure. These products are specialized components of piping systems that ensure the integration of orifice plates directly into the connection assembly. EV Group China supplies flanges […]
ANSI / ASME B16.48
Technical Specification and Scope of Application This standard regulates the requirements for the design, manufacturing, and quality control of pipeline blinds, including line blinds (reversible/spectacle), paddle blinds, and paddle spacers. The document covers a size range from NPS 1/2″ to NPS 24″ and is intended for integration into ASME B16.5 standard flange joint systems rated […]
ANSI / ASME B16.20
Technical Description and Scope of Application The ASME B16.20 standard establishes strict requirements for materials, dimensions, tolerances, and marking systems for metallic ring joint gaskets (RTJ), spiral-wound (SW) gaskets, jacketed gaskets, and grooved gaskets with a covering layer. These sealing elements are the industry standard for sealing flanged joints designed according to ASME B16.5 and […]
ANSI / ASME B16.11
Technical standards and scope of ASME B16.11 The international standard ANSI/ASME B16.11 regulates technical specifications, dimension ranges, tolerances, material requirements, and marking methods for forged fittings (socket-weld and threaded). EV Group China supplies components that fully comply with these regulatory requirements. The standard covers the following types of connecting fittings, classified by pressure rating and […]
ASTM A860 M / ASME SA860 M
Technical Overview of the ASTM/ASME A/SA 860 Standard The ASTM/ASME A/SA 860 specification regulates the production of wrought high-strength ferritic steel butt-welding fittings. This standard covers seamless as well as electric-welded fittings and fully complies with the requirements of ASME B16.9 and MSS-SP-75 standards. For items with geometric parameters outside the scope of these standards, […]
DIN 2561
Technical specifications and purpose of DIN 2561 flanges The DIN 2561 standard defines the engineering requirements for oval threaded flanges equipped with a hub. These products are designed for operation in pipeline systems with a nominal pressure of 10 bar (PN 10) and 16 bar (PN 16) with nominal diameters ranging from DN 6 to […]
DIN 2565
Technical specifications and application of DIN 2565 flanges The DIN 2565 standard regulates the geometry and technical parameters of threaded flanges with a neck, designed for operation at a nominal pressure of PN 6 (6 kgf/cm²). This type of connecting element is intended for installation in pipeline systems with a nominal diameter ranging from DN […]
DIN 2566
Technical features and specifications of DIN 2566 flanges The DIN 2566 standard defines the design parameters for threaded flanges with a neck, intended for use in piping systems at nominal pressures of PN 10 and PN 16. This type of connecting fitting covers a range of nominal diameters from DN 6 to DN 150. EV […]
DIN 2567
Technical characteristics and purpose of DIN 2567 flanges The DIN 2567 standard regulates the production of threaded flanges with a hub, adapted for operation in piping systems with nominal pressures of PN 25 and PN 40. The product range covers nominal diameters (DN) from DN 6 to DN 150. These components are widely used in […]
DIN 2568
Technical specifications and application of DIN 2568 flanges The DIN 2568 standard defines the design parameters, geometric dimensions, and technical requirements for threaded flanges equipped with a hub. This type of connecting element is designed for operation in pipeline systems with a nominal pressure of PN 64 (operating pressure of 64 kgf/cm²) and covers a […]
DIN 2569
Technical specifications and scope of application for DIN 2569 flanges The DIN 2569 standard defines the regulatory parameters for threaded flanges with a hub, designed for operation in high-pressure pipeline systems (PN 100). This type of connecting element is intended for installation in pipelines with a nominal diameter from DN 6 to DN 150. The […]
DIN 28115
Technical features of long welding neck flanges according to DIN 28115 The DIN 28115 standard regulates the geometric parameters and technical requirements for long welding neck flanges designed for operation at working pressures from PN 10 to PN 40. The product range covers sizes from DN 15 to DN 500, providing extensive possibilities for designing […]
DIN 86029
Technical features and scope of application for DIN 86029 flanges The DIN 86029 standard defines the design parameters and technical requirements for weld-neck flanges designed for a nominal pressure of 10 bar (PN 10). The product range covers nominal diameters from DN 10 to DN 1000, making them in demand in industrial pipeline construction for […]
DIN 86030
Technical specifications and scope of DIN 86030 flanges The DIN 86030 standard regulates the production of steel welding neck flanges designed for operation at a nominal pressure of 16 bar (PN 16). These connecting elements cover a range of nominal diameters from DN 10 to DN 1000 and are widely used in industrial pipeline systems […]
ASTM A403 M / ASME SA403 M
Technical Overview of ASTM/ASME A/SA 403 Standard The ASTM/ASME A/SA 403 specification defines stringent requirements for the production of wrought pressure-containing piping fittings. The document details technical parameters for a wide range of austenitic stainless steel grades. Products are classified into WP and CR categories, corresponding to ASME and MSS standards respectively. Manufacturing methods are […]
ASTM A815 M / ASME SA815 M
Scope of the ASTM/ASME A/SA 815 Specification This standard establishes technical regulations and manufacturing requirements for wrought fittings (seamless and welded) of WP and CR classes. The standard covers products made from ferritic, ferritic-austenitic (duplex), and martensitic stainless steels, including supplementary requirements stipulated by specification A960/A960M. For fittings with characteristics outside the scope of this […]
DIN 2605
Attention: The DIN 2605 standard has been officially withdrawn and replaced by the current European directives DIN EN 10253-2:2008-09 and DIN EN 10253-4:2008-06. EV Group China experts recommend using the new standards when designing pipeline systems. Technical aspects and application of DIN 2605-1 The DIN 2605-1 standard defines the technical requirements for steel elbows (seamless […]
DIN 28011
Technical regulation and scope of the DIN 28011 standard The DIN 28011 standard establishes strict geometric requirements for the production of torispherical heads. This specification is crucial for ensuring the structural integrity of pressure vessel equipment. Main geometric parameters regulated by the standard: r1 = da; r2 = 0.1 da; h1 ≥ 3.5 s; h2 […]
DIN 536
Scope of the DIN 536-1 Standard This regulatory document specifies technical requirements for the production of hot-rolled crane rails with a flat base (Type A). Tables 1 and 2 provide dimensional parameters for the products, and Table 3 outlines the physical and mechanical properties of the steel alloys used in their manufacturing by EV Group […]
DIN 2391
The DIN 2391 standard has been officially withdrawn and replaced by the current regulation EN 10305-1:2010-05. Technical overview of the DIN 2391-1 standard The DIN 2391-1 standard defines dimensional parameters for seamless precision steel tubes produced by cold drawing. This regulatory framework is applied exclusively in conjunction with DIN 2391-2, which establishes technical delivery conditions. […]
DIN 2527
Technical parameters and purpose of DIN 2527 flanges The DIN 2527 standard defines the design requirements for blind flanges (blank flanges) intended for sealing the end sections of piping systems. The product range covers nominal pressures ranging from PN 6 to PN 100 with nominal diameters (DN) from 10 to 500 mm. The technical documentation […]
DIN 2573
Technical features of flat flanges according to DIN 2573 The DIN 2573 standard regulates the parameters of flat steel flanges designed for operation in pipeline systems at a nominal pressure of 6 kgf/cm² (PN 6). This specification covers a range of nominal diameters from DN 10 to DN 500. The technical documentation defines the geometric […]
DIN 2576
Technical specifications and scope of the DIN 2576 standard The DIN 2576 standard defines the design parameters for flat steel flanges designed for a nominal pressure of 10 kgf/cm² (PN 10) in the range of nominal diameters from DN 10 to DN 500. These elements are widely used in pipeline systems to provide reliable detachable […]
DIN 2502
Technical features and scope of application of DIN 2502 flanges The DIN 2502 standard defines the design parameters for flat steel flanges designed for a working pressure of 16 kgf/cm² (PN 16). The nominal size range covers values from DN 10 to DN 500. These components are widely used in the installation of pipeline systems […]
DIN 2503
Technical features and scope of DIN 2503 The DIN 2503 standard regulates the geometric parameters and technical requirements for flat welding flanges designed for operation in pipeline systems at nominal pressures of PN 25 and PN 40. The product range covers nominal diameters from DN 10 to DN 500. The technical documentation of the standard […]
DIN 2627
Technical specifications and application of DIN 2627 flanges The DIN 2627 standard defines the design parameters and technical requirements for welding neck flanges designed for operation at extreme nominal pressure PN 400 (400 kgf/cm²). This nomenclature covers a range of nominal diameters from DN 10 to DN 200. Structurally, the product acts as a connecting […]
DIN 2628
Technical features and application scope of DIN 2628 flanges The DIN 2628 standard regulates the design parameters and technical requirements for steel butt-weld welding neck flanges, rated for a nominal pressure of PN 250 (25 MPa). The range of nominal diameters covers values from DN 10 to DN 250. In terms of design, the product […]
DIN 2629
Technical specifications and scope of application for DIN 2629 flanges The DIN 2629 standard defines the design and geometric parameters for weld-neck flanges intended for butt-welding in piping systems operating under high pressure up to 320 bar (PN 320). The nominal diameter range covers from DN 10 to DN 250. Structurally, the product is a […]
DIN 2630
Technical features and scope of DIN 2630 The DIN 2630 standard regulates the parameters of weld-neck flanges designed for butt-welding in piping systems with a nominal pressure of PN 2.5 (2.5 kgf/cm²). The size range covers nominal diameters from DN 10 to DN 4000, allowing these components to be used in large industrial assemblies, reservoirs, […]
DIN 2631
Technical specifications and application of DIN 2631 flanges The DIN 2631 standard regulates the parameters of butt-weld welding neck flanges designed for operation at a nominal pressure of 6 kgf/cm² (PN 6). The range of nominal diameters covers values from DN 10 to DN 3600. This type of connecting element is indispensable for the installation […]
DIN 2632
Technical specifications and application of DIN 2632 flanges The DIN 2632 standard regulates the design parameters of weld neck flanges intended for butt welding in piping systems. The products are designed for operation at a nominal pressure of PN 10 (10 kgf/cm²) and cover a range of nominal diameters from DN 10 to DN 3000. […]
DIN 2633
Technical specifications and scope of DIN 2633 The DIN 2633 standard regulates the geometric parameters and design features of welding neck flanges (butt-welded) intended for use in pipeline systems at a nominal pressure of PN 16 (16 kgf/cm²) and nominal diameters ranging from DN 10 to DN 2000. This type of connecting fitting is structurally […]
DIN 2634
Technical specifications and application of DIN 2634 flanges The DIN 2634 standard regulates the geometric parameters and design requirements for welding neck flanges designed for a working pressure of PN 25 kgf/cm² in the nominal diameter range from DN 10 to DN 1000. In the EV Group China product range, these items are presented as […]
DIN 2635
Technical features of the DIN 2635 standard The DIN 2635 standard defines the parameters for welding neck flanges designed for butt welding at a working pressure of 40 kgf/cm² (PN 40). The products cover a range of nominal diameters from DN 10 to DN 500 and are used in critical piping systems, tanks, and pressure […]
DIN 2636
Technical specifications and application of DIN 2636 flanges The DIN 2636 standard regulates the geometry and technical parameters of weld-neck flanges designed for a nominal pressure of 64 kgf/cm² (PN 64). The range of nominal diameters covers values from DN 10 to DN 400. This type of connecting fitting is widely used in the installation […]
DIN 2637
Technical specifications and application of DIN 2637 flanges The DIN 2637 standard defines structural parameters and technical requirements for weld-neck flanges rated for a nominal pressure of 100 bar (PN 100). These fittings are designed for use in high-pressure piping systems with diameters ranging from DN 10 to DN 350. The design consists of a […]
DIN 2638
Technical features and application of DIN 2638 flanges The DIN 2638 standard regulates the design parameters and technical requirements for weld neck flanges designed for operation at a nominal pressure of PN 160 (160 bar) in a nominal diameter range from DN 10 to DN 300. These pipeline system components ensure high joint tightness under […]