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Stainless Steel / Carbon Steel Flanges

     
     
     
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The range of flange production
(Outside Diameter: 75mm - 2560mm)

China National Standard   European Standard  
Standard Type Standard Type
GB/T 9112-2000 ~ 9123-2000
Pressure: 0.25MPa ~ 10MPa
Size: DN10 ~ DN1200
BLIND
PLATE
LAP JOINT
SLIP ON
THREADED
WELDING NECK
LONG WELDING NECK
EN 1092-1
Pressure: Class PN6 ~ PN400
Size: DN10 ~ DN4000
PLATE
LOOSE PLATE
BLANK
WELDING NECK
HUBBED SLIP ON
HUBBED THREADED
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American Standard   German Standard  
Standard Type Standard Type
AMSE B16.5
Pressure: Class 150 ~ 2500
Size: 1/2" ~ 24"
BLIND
BOSS BLIND
LAP JOINT
PLATE
SLIP ON
THREADED
WELDING NECK
LONG WELDING NECK
DIN
Pressure: PN6 ~ PN400
Size: DN10 ~ DN400
DIN 2527 - Blind; PN6 ~ PN100
DIN 2566 - Screwed; PN10 and PN16
DIN 2573 - Flanges for soldering or welding; PN6
DIN 2576 - Flanges for soldering or welding; PN10
DIN 2627 - Welding neck; PN400
DIN 2628 - Welding neck; PN250
DIN 2629 - Welding neck; PN320
DIN 2630 - Welding neck; PN1 and PN2.5
DIN 2631 - Welding neck; PN6
DIN 2632 - Welding neck; PN10
DIN 2633 - Welding neck; PN16
DIN 2634 - Welding neck; PN25
DIN 2635 - Welding neck; PN40
DIN 2636 - Welding neck; PN64
DIN 2637 - Welding neck; PN100
DIN 2638 - Welding neck; PN160
DIN 2641 - Lapped flanges; PN6
DIN 2642 - Lapped flanges; PN10
DIN 2655 - Lapped flanges; Plain collars; PN25
DIN 2656 - Lapped flanges; Plain collars; PN40
AMSE B16.47A
Pressure: Class 150 ~ 900
Size: 26" ~ 60"
BLIND
WELDING NECK
AMSE B16.47B
Pressure: Class 75 ~ 900
Size: 26" ~ 60"
BLIND
WELDING NECK
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Australian Standard   British Standard  
Standard Type Standard Type
AS 2129
Table: T/A, T/D, T/E, T/F, T/H, T/J, T/K, T/R, T/S, T/T
Size: DN15 ~ DN3000
BLANK
PLATE
BOSS
WELDING NECK
BS4504
Pressure: PN2.5 ~ PN40
Size: DN10 ~ DN4000
PLATE
LOOSE PLATE
WELDING NECK
BLANK
HUBBED THREADED
HUBBED SLIP ON
INTEGRAL
AS 4087
Pressure: PN16 ~ PN35
Size: DN50 ~ DN1200
BLANK
PLATE
WELDING NECK
BS10
Table: T/A, T/D, T/E, T/F, T/H
Size: 1/2" ~ 48"
PLATE
BOSS
WELDING NECK
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Japanese Standard   African Standard  
Standard Type Standard Type
JIS B2220
Pressure: 5K ~ 30K
Size: DN10 ~ DN1500
SLIP ON PLATE
SLIP ON HUBBED
SOCKET WELDING
WELDING NECK
LAP JOINT
THREADED
INTERGRAL
BLANK
SABS1123
Pressure: 250kPa ~ 6400kPa
Size: DN10 ~ DN3600
BLANK
WELDING NECK
PLATE
LOOSE
INTEGRAL
BOSS
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French Standard   Special Requirement  
Standard Type Standard Type
NFE 29203
Pressure: PN2.5 ~ PN420
Size: DN10 ~ DN600
PLATE
LOOSE
BLIND
WELDING NECK
SLIP ON
Size: Up to OD: 2560mm PLATE
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Head quarter: Unit H, 3/F, Kaiser Estate Phase 2, 47-53 Man Yue Street, Hung Hom, Kowloon, Hong Kong.
TEL: (852) 2994-8774   FAX: (852) 2774-3493   E-mail: info@ludahk.com