Flange

There are many different flange standards to be found. To allow easy functionality and interchangeability,these are designed to have standardized dimensions

Dimensions

Size: 1/2 to 24 Inch / DN15 — DN600

Pressure: Class 150, 300, 600, 900, 1500, 2500

Seal Type: Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF)

Seal Thickness: Sch 10S, 20, STD, 40, XS, 80, 160, XXS

Alloy Steel: ASTM A182 F1, F5, F9, F11, F12, F22, F91

Carbon Steel: ASTM A105, A350 LF2,LF3. A694 F52, F60, F65, F70

Stainless Steel: ASTM A182 F304, F316, F317, F321, F310

Duplex Stainless Steel: ASTM A182 F51, F53, F55

Product: Weld Neck Flange, Socket Weld Flange, Threaded Flange, Blind Flange, Spectacle Blind, Slip On Flange, Ring Joint Flange, Plate Flange.

Weld Neck Flange 900# RF A182 F91
Weld Neck Flange 900# RF A182 F91
This page covers weld neck flange 900# dimensions and weights according to ASME B16.5, as well as dimensions and material grades for forged steel flanges.
Lap Joint Flange Copper Nickel C71500
Lap Joint Flange Copper Nickel C71500
Lap joint flange RTJ (Ring Type Joint) has a raised face with the groove machined to the face of flange in order to accept metal ring gaskets.
Socket Weld Flange CL300 ASME B16.5
Socket Weld Flange CL300 ASME B16.5
According to ASME B16.5, Socket Weld Flange CL300 is available from NPS 1/2” to 3” only so that it is commonly used on small sizes pipelines. 
Spectacle Blind Class 900 DN500
Spectacle Blind Class 900 DN500
High quality forged flanges supplier Zizi offers DN500 Class 900 spectacle blind RF ASTM A182 F91 for Australia. Thy are made according to ASME B16.5.
Copper Nickel 70/30 Threaded Flange DN80 Class 1500
Copper Nickel 70/30 Threaded Flange DN80 Class 1500
Forged steel flanges manufacturer Zizi exports Copper Nickel 70/30 Threaded Flange DN80 Class 1500 to Philippines with best quality and price.
ASME B16.47 Blind Flange Class 300
ASME B16.47 Blind Flange Class 300
Zizi is manufacturer of forged flanges and we supply ASME B16.5 flanges and ASME B16.47 Blind flange and weld neck flanges worldwide.