H42H/W立式止回閥—產(chǎn)品概述
H42H/W立式止回閥嚴(yán)格按 GB12235 標(biāo)準(zhǔn)設(shè)計(jì)制造,閥瓣沿著中心定位作升降運(yùn)動(dòng) , 襯套采用耐磨性能好,摩擦系數(shù)小的特殊材料制作,動(dòng)作靈活可靠 . 密封性能優(yōu)良。立式止回閥產(chǎn)品廣泛應(yīng)用于石油、化工、制藥、電力行業(yè)等各種工況的管路上。
H42H/W—產(chǎn)品特點(diǎn)
H42H/W—執(zhí)行標(biāo)準(zhǔn)
設(shè)計(jì)制造標(biāo)準(zhǔn):GB12234、API6D;
結(jié)構(gòu)長(zhǎng)度標(biāo)準(zhǔn):GB1221、ANSI B16.10;
法蘭標(biāo)準(zhǔn):JB79、ANSI B16.5;
檢驗(yàn)試驗(yàn)標(biāo)準(zhǔn):GB12937、API 598
H42H/W—性能規(guī)范
型號(hào) | 公稱壓力 (MPa) | 實(shí)驗(yàn)壓力 | 工作溫度(℃) | 適用介質(zhì) | ||
強(qiáng)度水(MPa) | 密封(水)空氣(MPa) | 低壓密封空氣(MPa) | ||||
Z41W-16P(R) | 1.6 | 2.4 | 1.8 | 0.6 | ≤200 | 硝酸類 |
Z41W-25P(R) | 2.5 | 3.8 | 2.8 | 0.6 | ≤200 | 醋酸類 |
Z41W-40P(R) | 4.0 | 6.0 | 4.4 | 0.6 | ≤200 | 硝酸類 |
Z41W-64P(R) | 6.4 | 9.6 | 7.0 | 0.6 | ≤200 | 醋酸類 |
H42H/W—主要零件材質(zhì)
閥體/閥蓋 | ZGICr18Ni9Ti | ZG00Cr18Ni10 | ZG1Cr18Ni12M02Ti | ZG00Cr17Ni14M02 | |
零件名稱 | ZGICr18Ni9Tit系列 | ZG00Cr18Ni10系列 | ZG1Cr18Ni12M02Ti系列 | ZG00Cr17Ni14M02系列 | |
閘板 | ZGICr18Ni9Ti | ZG00Cr18Ni10 | ZG1Cr18Ni12M02Ti | ZG00Cr17Ni14M02 | |
閥桿 | 1Cr18Ni9Ti | 00Cr18Ni10 | 1Cr18Ni12M02Ti | 00Cr17Ni14M02 | |
填料 | PTFE編織 | PTFE編織 | PTFE編織 | PTFE編織 | |
墊片 | 304L+PTFE | 304L+PTFE | 316+PTFE | 316L+PTFE | |
壓蓋 | ZGICr18Ni9Ti | ZG00Cr18Ni10 | ZG1Cr18Ni12M02Ti | ZG00Cr17Ni14M02系列 | |
填料壓環(huán) | 1Cr18Ni9Ti | 00Cr18Ni10 | 1Cr18Ni12M02Ti | 00Cr17Ni14M02 | |
螺栓 | 1Cr17Ni2 | 1Cr17Ni2 | 1Cr17Ni2 | 1Cr17Ni2 | |
螺母 | 1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni9Ti |