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Accessory name Material
GB ASTM
Gasket Graphite+stainless steel B12.10-304/F.G.
Seat PTFE PTFE
Bonnet 25 A105
Nut 32 A194-2H
Stud 35CrMoA A193-B7
Body 25 A105
Ball 25+HCr A105+HCr
Stem 1Cr13 A276-410
Gasket PTFE PTFE
Packing seat 1Cr13 A276-410
Packing Graphite Graphite
Packing gland WCB A216-WCB
Bolt 35CrMoA A193-B7
Locating piece Q235A Carbon steel
Ring 65Mn AISI 1566
handle KT33 A47-667 Gr.32510
Design reference GB API ASME
Design standard GB/T12237 API 6D ASME B16.34
Structural
Length Flanged ends GB/T12221 API 6D ASME B16.10
Welded connection GB/T15188.1
Flanged ends GB/T9113
JB/T 79 ASME B16.5
Butt-wlding ends GB/T12224 ASME B16.25
Test&inspection JB/T 9092 API 6D API 598
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