手動波紋管閘閥產(chǎn)品結(jié)構(gòu)特點(diǎn)：
國標(biāo)波紋管閘閥適用于公稱壓力PN1.6～16MPa,工作溫度-29～350℃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)。
手動波紋管閘閥其主要結(jié)構(gòu)特點(diǎn)：
1、產(chǎn)品結(jié)構(gòu)合理、密封可靠、性能優(yōu)良、造型美觀；
2、密封面堆焊Co基硬質(zhì)合金、耐磨、耐腐、抗摩擦性能好、使用壽命長；
3、閥桿調(diào)質(zhì)及表面氮化處理，有良好的抗腐和抗摩擦性能；
4、雙重密封，性能更可靠；
5、閥桿升降位置指示，更直觀；
6、零件材質(zhì)及法蘭、對焊端尺寸可根據(jù)實(shí)際工況或用戶要求合理選配，滿足各種工程需要。
手動波紋管閘閥技術(shù)規(guī)范：
結(jié)構(gòu)形式 | BB-BG-OS & Y |
驅(qū)動方式 | 手動 |
電動 |
設(shè)計(jì)標(biāo)準(zhǔn) | GB12234 |
結(jié)構(gòu)長度 | GB12221 |
連接法蘭 | GB9113、JB79、HG20596 |
試驗(yàn)和檢驗(yàn) | JB/T 9092、GB/T13927 |
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