ASME B16.5 Class 150 304 316 A105 Blind Flange

 Face : Can be raised face ( RF ), full face ( FF ), Ring joint ( RTJ ), Groove , Tongue , or customized .
Bevel end as per ANSI B16.25
CNC fine finished .

Face finish : The finish on the face of 
 flange is measured as an Arithmetical Average Roughness 
 Height ( AARH ). The finish is 
 determined by the standard used . For example , ANSI B16.5 specifies face finishes within a range 125AARH-
500AARH(3.2Ra to 12.5Ra). Other finishes are available on requst , for example 1.6 Ra max ,1.6/3.2 Ra ,
3.2/6.3Ra or 6.3/12.5Ra. The range 
3.2/6.3Ra is most common .

 Marking _ and Packing 
Each layer use plastic film to protect the surface 
 For all stainless steel are packed 
 by plywood case . For bigger size 
 carbon flange are packed by plywood pallet . Or can be customized 
 packing .
Shipping mark can make on request 
 Markings on products can be 

 UT test
 PT test 
 MT test 
 Dimension test 
 Before delivery , our QC team will arrange NDT test and dimension inspection .
 Also accept TPI ( third party inspection ).

Our company always adhere to: high efficiency based on quality; High reputation based on moral; High-tech people-oriented; High quality law based, in order to improve the management concept, the production of high quality products to the majority of users.