GBT4220-1984 化工用硬聚氯乙烯管件 - 下载地址.pdf

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1、中华人民共和国国家标准UDC621.643.4:678.743.22化工用硬聚氯乙烯管件GB4220-84Unplasticizedpolyvinylchloride(PVC)fittingsforchemicalindustry1适用范围本标准适用f注塑法制造的硬聚氯乙烯管件(以下简称管件)。(r'与化_L用硬聚氯乙烯管材配套使用，卜要用f输送某些。一40℃的酸碱等腐蚀性液体。木标准[I]烘箱试验方法完全等效采用ISO2043-1974《压力F使用的弹性密封圈式连接的硬聚氯乙烯(PVC)注塑答件—烘箱试脸

2、)o2品种规格2.1削月种弯头、450弯头、90。三通、45。三通、管套、异径套、法兰变接头、法兰。2.920形状、尺、少及公差2.2.1阴接头及其通用尺寸图1国家标准局1984一03一0I发布1984一12一01实施CB4220-84表1毫米dd21dDt公称尺寸，二音de基本尺寸公差基本尺寸公差基本尺寸公差基本尺寸最小尺寸最小尺寸1010.3士0.1010.1土0.1012土0，56.114_1211212.3士0.1212.1士0.1212士0。58.116.1211616.3士0.1216.1土0.

3、1214士0.512.120.1212020.4土0.1420.2士0.1416士0.815.624.82.31.162525.5士0.1625.2士0.1619士0.819.630.82.81.43232.5土0.1832.2士0.1822土0.82539.43.61.84040.7士0.2040.2士0.2026士131.249.24.52.265050.7土0.2250.2士0.2231士13961.45.62.86363.9士0.2463.3士0.2438士149.177.57.13.567576士

4、0.2675.3土0.2644士158.5928。44.29091.2士0.3090.4士0.3051士270110.610.15.06110111.3士0.34110.4士0.3461士294.21278.14.06125126.5士0.38125.5士0.3869土2107.1143.99.24.6140141.6士0.42140.5士0.4277土2119.316210.65.3160161.8土0.46160.6士0.466士25145.21767.73.86注、配合时最小承插深度为1/2de.66

5、4GB4220-842.2.2900弯头图2表2毫米公称尺寸ZLdeIO6士118127土119169土1232011士12725133.55"-i、32.532177t7-.}i.s394021二:475026‘}，576332.5二尸70.57582.538.5-}今59046一19711056-611712563.5{132.51407l1.-'i14816081-i167注:Sr他尺t按2.2.1规定。66SGB4220-842.2.3450弯头图3表3毫米公称尺、JZLde103士115123.5

6、士3.515.5164.5土4.518.5205土121256‘{“25327.5"}s29.5409.5‘{35.550比5"zs42.563144‘1{3'.32527516.5‘}60.59019.5‘{70.511023.5一{84.512527"s961403。‘{10716034{120Y卜1!-1t尺、J一按2.2.1规定。6s6GB4220-842.2.490几通图4公称尺寸ZZ2Z3LL2deL3106士16士16士1181818127土17士17士11919191691I9士19士123

7、23232011士111土111士12727272513.5‘丫13.5‘{z13.5‘:，32.532.532.53017’尸17‘{617'is3939394021‘{21‘{21:4747475026’护26:s26‘{s5757576332.532.5‘{232.5}z70.570.570.57538.5‘{38.5‘}38.5‘{82.582.582.59046‘:46‘{46{97979711056‘{56’}56‘}11711711712563.5‘}63.5‘{63.5‘干132.5132.

8、5132.514071‘{71‘{71:14814814816081‘}81}81‘干167167167注:其他尺寸按2.2.1规定。667GB4220-842.2.545“二三通图5表5毫米公称尺寸Z,Z2Z3LI_2L3de206’:27士329士3224351257‘:33士335士3265254328{42;45+;3064674010‘:51;54’;3677805012_j63+;67‘:439498