1)Materials: ASTM A105, DIN ST37.2, ASTM A182-F304, F304L, F316, F316L, Q235, 20#    

  20Mn,16Mn.

2)Standard: ANSI B16.5, B16.47, MSS SP-44, API, DIN, JIS, HG, GB, JB etc.  

3)Rating:       

   ANSI 150LBS~2500LBS

   DIN PN6~PN16

   JIS 5K~30K

   HG PN0.25~PN25   

   PN 2.0~PN 42.0   

4)Specification:   

   From 1/2" TO 48"    

   Special design available

5) Applications range: for use in the petroleum, boiler heat exchanger, and other fields