Features:
1. Type: welding neck flange, lap joint flange, thread flange, slip on flange, socket welding flange, blind flange
2. Material: Stainless steel, carbon steel,alloy steel---20#, A105, Q235A, 331, 304, 304L, 316,    316L etc.
3. Size:1/2" to 60" NB
4. Pressure Ratings: Class 150, 300, 600, 900, 1500 and 2500

    Pressure Ratings: JIS 5K, 10K, 16K and 20K
5. Standard: ANSI, JIS/KS, DIN, AWWA4. Facing:TG,RF,MFM,FM,FF,RJ

The main material for carbon steel, stainless steel and alloy steel 
                                                                                 
1)ANSI  FLANGES Standard:
ANSI B16.5 ANSI B16.47 MSS SP44 ANSI B16.36
ANSI B16.48 Types:
Welding Neck Flanges, Slip on Flanges, Threaded Flanges, 
Socket Welding Flanges, Blind Flanges, Orifice Flanges, 
Lap Joint Flanges, Ring Joint Flanges, Long Welding Neck Flanges, Figure 8
BlanksPRESSURE GRADE:
Class150,Class300,Class600,Class900,Class1500,Class2500SIZE: 1/2" NB TO 48" NB

2)DIN FLANGES Standard:                                                           
DIN2527,DIN2566,DIN2573,DIN2576,DIN2641,DIN2642,
DIN2655,DIN2656,DIN2627,DIN2628,DIN2629,DIN2631
DIN2632,DIN2633,DIN2634,DIN2635,DIN2636,DIN2637