⊙產(chǎn)品結(jié)構(gòu)特點
國標(biāo)球閥適用于公稱壓力PN1.6~10MPa,工作溫度-196~150℃的石油、化工、制藥、化肥、電力行業(yè)等各種工況的管路上,切斷或接通管路介質(zhì)。
⊙主要結(jié)構(gòu)特點
1、開關(guān)指示裝置和開關(guān)鎖閉系統(tǒng);
2、防吹出閥桿,防火防靜電;
3、零件材質(zhì),法蘭和對焊端尺寸可根據(jù)實際工況或用戶要求合理選配,滿足各種工程需要。
設(shè)計依據(jù) Design Reference | GB | API | ASME | |
設(shè)計標(biāo)準(zhǔn) Design&Standard | GB/T 12237 | API 6D | ASME B16.34 | |
結(jié)構(gòu)長度 Structural Length | 連接法蘭 Flanged Ends | GB/T 12221 | API 6D | ASME B16.10 |
焊接 Welding Ends | GB/T 15186.1 | |||
連接法蘭Flanged Ends | GB/T 9113 JB/T 79 | ASME B16.5 | ||
對焊端 Butt-Welding Ends | GB/T 12224 | ASME B16.25 | ||
試驗和檢驗 Test&Inspection | JB/T 9092 | API 6D | API 598 |
序號 No. | 零件名稱 Parts Name | 材質(zhì)Material | |
GB | ASTM | ||
1 | 右體Bonnet | WCB | A216-WCB |
2 | 螺母Nut | 35 | A194-2H |
3 | 墊片Gasket | 柔性石墨+不銹鋼 Graphite+Stainless Steel | B12.10-304/F.G. |
4 | 螺柱Stud | 35CrMoA | A193-B7 |
5 | 閥體Body | WCB | A216-WCB |
6 | 閥座Seat | PTFE | PTFE |
7 | 球體Ball | 25+HCr | A105+HCr |
8 | 閥桿Stem | 1Cr13 | A276-410 |
9 | 墊片Gasket | PTFE | PTFE |
10 | 填料Packing | 柔性石墨Graphite | 柔性石墨Graphite |
11 | 填料壓蓋Packing Gland | WCB | A216-WCB |
12 | 螺釘Screw Nail | 35 | A193-B7 |
13 | 定位片Locating Piece | Q235A | Carbon Steel |
14 | 擋圈Ring | 65Mn | AISI1566 |
15 | 手柄Wrench | KT33 | A47-667 Gr.32510 |
Note:The material of ball&stem about the anti-sulphur type valve is GB(1Cr18Ni9+Ni.P) ASTM (A182-304+Ni.F) and GB(1Cr18Ni9+Ni.P) ASTM(A276-321)Material for major parts & sealing surface is depending on actual working condition & customer’s