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Hebei Xinfeng High-pressure Flange and Pipe Fitting Co., Ltd.
1, This European Standard for a single series of flanges specïfies requirements for circular steel flanges in PN designations PN 2.5 to PN 100 and nominal sizes from DN 10 to DN 4000. This standard specifies the flange types and their facings, dimensions. tolerances. threading. bolt sizes. flange jointing face surface finish. marking. materials. pressure/ temperature ratings and approximate flange masses. This standard does not apply to flanges made from bar stock by turning, or to flanges of types 11, 12 and 13 made from plate material.
2, Normative references This European Standard incorporates by dated or undated reference provisions from other pubIicatons. These normative references are cited at the appropnate places in the text and the pubIicatons are listed hereafter. For dated references, subsequent amendments to or revïsïons of any of these publications appy to this European Standard only when incorporated in t by amendment or revision. For undated references the atest edition of the publication referred to appiies (inciuding amendments).
Type 01 Plate Flange (slip on) 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 long neck, Type 37 Pressed Collar
Face Type
:
A - Flat Face (FF), B - Raised Face (RF), C - Tongue, D - Groove, E - Spigot, F - Recess, G - O-ring spigot, H - O’ring groove
Coating
:
Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanize
SIZE
MATERIAL
FLANGE TYPE
1/2"-80"
Stainless Steel
weld neck flange
Slip on Flange
socket weld flange
LAP Joint Flange
Threaded flange
blind flange
CARBON STEEL, STAINLESS STEEL
weld neck flange
Slip on Flange
socket weld flange
LAP Joint Flange
Threaded flange
blind flange
Sealing face of flanges
RF with serrated finish
FF with 3 waterlines
FF with smooth finis
RTJ (Ring Joint Type)
FF with serrated finish
RF with water lines
types of flanges (typ) up to DIN EN 1092-1
Typ 01: Plate (slip-on) flanges for welding
Typ 13: Hubbed threaded flanges
Typ 02: Loose plate flanges with weld-on plate collar
Typ 21: Integral flanges
Typ 04: Loose plate flanges with weld-neck collar
Typ 32: Weld-on plate collars
Typ 05: Blank (blind) flanges
Typ 33: Lapped pipe ends
Typ 11: Weld-neck flanges
Typ 34: Weld-neck collars
Typ 12: Hubbed slip-on flanges for welding
D: Outside Diameter K: Diameter of Bolt Circle L: Diameter of Bolt Hole
A: Outside Diameter of Neck E: Chamfer F: Collar thickness
G max: Diameter of Shoulders R: Corner Radius N: Neck Diameter S: Neck Thickness (Preferred value)
* For flanges type 21 the outside hub diameter approximately corresponds to the outside pipe diameter.
Note : The p/t rating from EN 1092-1 apply only for flange type 05, 11, 12, 13 and 21 having nominal sizes up to and including DN 600. The p/t rating of all other flanges shall be agreed between the manufacturer and the purchaser.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
1989
Total Annual:
$10 Million- US$50 Million
Employee Number:
100~200
Ecer Certification:
Verified Supplier
Established in 1989, HEBEI XINFENG HIGH PRESSURE FLANGE AND PIPE FITTING CO., LTD (XINFENG) specializes in the manufacture of flanges, butt weld pipe fittings in standard as well as special parts and forgings according to customer drawings.Located in Mengcun Hui Nationality Autonomous Region, known ... Established in 1989, HEBEI XINFENG HIGH PRESSURE FLANGE AND PIPE FITTING CO., LTD (XINFENG) specializes in the manufacture of flanges, butt weld pipe fittings in standard as well as special parts and forgings according to customer drawings.Located in Mengcun Hui Nationality Autonomous Region, known ...