A28H帶手柄彈簧全啟式安全閥產(chǎn)品簡介
A28H彈簧全啟式安全閥適用于工作溫度≤200℃的空氣、蒸汽、水、氮?dú)浠旌蠚獾冉橘|(zhì)的設(shè)備或管路上,A28Y-P/10R8適用于工作溫度≤200℃有腐蝕性介質(zhì)的設(shè)備或管路上,作為超壓保護(hù)裝置。
A28H帶手柄彈簧全啟式安全閥產(chǎn)品用途
A28型帶扳手彈簧全啟式螺紋安全閥是一種用于無毒無害及非易燃易爆氣體或液體介質(zhì)的管道及容器等設(shè)備作為超壓保護(hù)的*終安全保護(hù)裝置,該類型安全閥采用彈簧直接載荷式,螺紋連接,閥蓋封閉式結(jié)構(gòu),帶提升扳手。
A28H帶手柄彈簧全啟式安全閥產(chǎn)品特點(diǎn)
1、全啟式結(jié)構(gòu),排量大
2、螺紋連接,安裝方便
3、體積小,經(jīng)濟(jì)實(shí)用
4、帶提升扳手,方便定時(shí)檢查整定壓力
A28H帶手柄彈簧全啟式安全閥執(zhí)行標(biāo)準(zhǔn)
設(shè)計(jì)規(guī)范:GB/T 12243
結(jié)構(gòu)長度:GB/T 12221
法蘭連接:JB/T 79
試驗(yàn)與檢驗(yàn):GB/T 12242
產(chǎn)品標(biāo)識(shí):GB/T 12220
供貨規(guī)范:JB/T 7928
A28H帶手柄彈簧全啟式安全閥主要零部件材料
NO. | Name of part | A28H Materials | A28Y-P Materials | A28Y-R8Materials |
1 | Body | HT200 | ZG1Cr18Ni9Ti | CF8M |
2 | Nozzle | 35 | ZG1Cr18Ni9Ti | CF8M |
3 | Adjusting ring | 2Cr13 | 1Cr18Ni9Ti | 316 |
4 | Disc | 2Cr13 | 1Cr18Ni9Ti | 316 |
5 | Spring | 50CrVA | 50CrVACoated Teflon | 50CrVACoated Teflon |
6 | Stem | 2Cr13 | 2Cr13 | 316 |
7 | Adjusting bolt | 45 | 2Cr13 | 316 |
8 | Cap | ZG200-400 | ZG200-400 | CF8M |
Sealing surface of material | D507 Depositing D507 | Co Depositing stellite | ||
10 | Adjusting nut | Q235-A | 2Cr13 | 1Cr18Ni12Mo2Ti |
Sealing surface of material | "Y" CoDepositing stellite, "H" D507 Depositing D507, "W"body |
A28H帶手柄彈簧全啟式安全閥外形尺寸和連接尺寸
Nominal diameter DN (mm) | Dimensions (mm) | |||||
do | Rc | G | L | L1 | H | |
15 | 10 | 1/2" | 3/4" | 37 | 62 | 189 |
20 | 12 | 3/4" | 1" | 40 | 65 | 196 |
25 | 15 | 1" | 11/ " 4 | 45 | 72 | 277 |
32 | 20 | 11/ " | 1 | 55 | 85 | 312 |
40 | 25 | 11/ " | 2" | 67 | 100 | 322 |
50 | 32 | 2" | 21/ " 2 | 76 | 112 | 348 |
65 | 40 | 21/ " | 3" | 110 | 135 | 370 |
80 | 50 | 3" | 4" | 110 | 145 | 410 |