ASTM A182 F304L SCHSTD WNRF flange

   Weld neck flange is a type of forged flanges, which has a high-hub. The prices for forged flanges are higher than cast iron flange.The regular type is used to connect with pipes. Similar with pipe fittings, manufacture materials include carbon, alloy and stainless steel. As for standard, American standard is very common. For size less than 24``, it belongs to ASME B16.5. If diameter is large, from 26 to 60inch, the standard is ASME B16.47. Under this standard, there are two series, A & B.  For ASME B16.5 standard flange, the description of pressure is CLASS150, 300, 600, 900, 1500, 2500. 

ASTM A182 F304L flange

SCHSTD forged flange

weld neck RF flange

Product specifications for  ANSI B16.5 forged raised face weld neck flange

1.type: weld neck( WN)

2.standard: ASME B16.5 ASME B16.47 ASME B16.48 

3.Sealing Surface: RF

4.Shape: Circle

5.Certificate: CE,  ISO

6.Material: carbon steel( CS) alloy steel( AS) stainless steel(SS)

7.Connection: Welding

8.Manufacturing Way: Forging

9.Size: 1/2" - 60"

10.Transport Package: in Wooden Cases, pallets or as per customer requirements

11.Origin: China