Duplex Steel/DSS Steel/Duplex Stainless Steel Specification

ASTM A 217 C12A Material Specification Chart

ASTM A217 C12A is equivalent to ASTM A182 F91.

Details specification please check out ours reference documentation.

Dye Penetration Test

1. If the purchaser needs a metal ball valve that deviates from this standard, the deviating requirements shall be specifically stated in the purchase order.
2. If no exceptions are to be taken to this standard, the purchase order need only refer to API Standard 608 and specify the items listed in 2.1 below. Optional items listed in 2.2 below may also be specified.
 

DIN EN 1092-1-2007
Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges
DIN EN 12004-2007
Adhesives for tiles - Requirements, evaluation of conformity, classification and designation
DIN EN 13001-2-2007 Cranes - General design
 

The global climate change will have a major impact on the future business environment in Europe. The power industry is not only a significant emitter, but also a key player in bringing clean and renewable energy to the world. Based on this reality, DNV has released the results of its study of the European power sector’s future risks, which includes a special focus on climate change.
 

The basic requirements and practices for flanged and butt-welding end steel gate valves of bolted bonnet construction which parallel those given in API 600, Tenth Edition. In order to maintain compatibility with the flanges defined in ISO 7005-1 and the flanges in ASME B16.5, valves have been designated to be PN-marked for the former and Class-marked for the latter. It is not the purpose of this International Standard to replace ISO 6002 or any other International Standard