DIN 2641 PN16 1.4301 Stainless Steel Stub End Standard Flange Lap Joint Flange

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3) DIN FLANGE

Size rangeDN15 to DN2000

Designslip on flange DIN2573,2576,2502,2503, 2543,2545

welding neck falnge DIN2631, 2632,2633,2634,2635

blind flange DIN 2527 PN6, PN10, PN16, PN25, PN40

threaded falnge DIN2565,2566,2567,2567

loose flange DIN 2641,2642,2656,2673

Material: carbon steel ST37.2, stainless steel 1.4301, 1.4404

Related flange info.

Size

1/2"-72"

Type

Weld Neck,  Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Orifice Flange, Swivel Flange,  Spectacle Blind,Etc.

Process Method

Free forging, die-forging, casting, plate cutting & machining

Standard

ANSI, ASME ,MSS, API,  DIN, JIS, BS. AWWA and GB

Connection

Butt weld & Socket weld & Thread

Class

ANSI 150LBS-2500LBS,

DIN PN6-PN160

BS PN0.25-PN25 PN2.0-PN42.0

JIS 5K-30K

Flange Face Types

Raised Face (RF) ,Flat Face (FF) ,Ring-Type Joint (RJ) ,Ring Type Joint Gaskets,
Tonge-and Groove (TG),Male-and-Female (MF)

Materials

Carbon Steel

ASTM A105,ASTM A350 LF1, LF2, CL1/CL2, A234, S235JRG2, P245GH P250GH, P280GHM 16MN, 20MN ,20# ,etc.

Low Temperature Carbon Steel: ASTM SA350 LF2

High Strength Steel: ASTM SA694 F42/46/52/56/60/65

Stainless Steel

ASTM A182 F304/304L/316/316L

Alloy Steel

ASTM A182 F1/F5/F9/F11/F22/F91/Etc.

Duplex stainless steel

ASTM A182 F51/F53/F55/F60

Nicke alloys

Nickel 200, Monel 400, Inconel 600/625, Incoloy 825/800

Cu-Ni

90/10,70/30


Process

Free forging, plate cutting.

Coating

Carbon steel and alloy steel:
Rust preventing oil, spray paint (black, yellow), hot galvanization, cold galvanization or colored electroplate, powder coating and so on.


TYPES OF FLANGES

The most used flange types in Petro and chemical industry are:

  • Welding Neck Flange
  • Slip On Flange
  • Socket Weld Flange
  • Lap Joint Flange
  • Threaded Flange
  • Blind Flange
Most used flange types in Petro and chemical industry

All types except the Lap Joint flange are provided with a raised flange face.

 

SPECIAL FLANGES

Except the most used standard flanges, there are still a number of special flanges such as:

  • Orifice Flanges
  • Long Welding Neck Flanges
  • Weldoflange / Nipoflange
  • Expander Flange
  • Reducing Flange
Special flanges




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