A48Y-64 DN80 DN100安全閥的開啟、關(guān)閉動作是依靠其進(jìn)口端的介質(zhì)壓力變化和彈簧預(yù)緊力來使閥芯自動開啟及關(guān)閉。當(dāng)介質(zhì)壓力（內(nèi)壓）升高到提升力比彈簧預(yù)緊力大時，閥芯克服彈簧預(yù)緊力自動開啟，泄放多余的介質(zhì)，使內(nèi)壓下降，又由于彈簧力的作用，當(dāng)內(nèi)壓降至安全值時，閥芯自動關(guān)閉，泄放停止。

詳細(xì)介紹

A48Y-16C DN20,A48Y-16C DN25,A48Y-16C DN32,彈簧全啟式安全閥

A48Y-16C DN40,A48Y-16C DN50,A48Y-16C DN65,A48Y-16C DN80,彈簧全啟式安全閥

A48Y-16C DN100,A48Y-16C DN150,A48Y-16C DN200,彈簧全啟式安全閥

A48Y-16C DN300,A48Y-16C DN350,A48Y-16C DN400,彈簧全啟式安全閥

A48Y-25 DN20,A48Y-25 DN25,A48Y-25 DN32,彈簧全啟式安全閥

A48Y-25 DN40,A48Y-25 DN50,A48Y-25 DN65,彈簧全啟式安全閥

A48Y-25 DN80,A48Y-25 DN100,A48Y-25 DN125,彈簧全啟式安全閥

A48Y-25 DN150,A48Y-25 DN200,A48Y-25 DN250,彈簧全啟式安全閥

A48Y-25 DN300,A48Y-25 DN350,A48Y-25 DN400,彈簧全啟式安全閥

A48Y-40 DN25,A48Y-40 DN32,A48Y-40 DN40,彈簧全啟式安全閥

A48Y-40 DN50,A48Y-40 DN65,A48Y-40 DN80,彈簧全啟式安全閥,

A48Y-40 DN100,A48Y-40 DN150,A48Y-40 DN200,彈簧全啟式安全閥

A48Y-64 DN25,A48Y-64 DN32,A48Y-64 DN40,彈簧全啟式安全閥,

A48Y-64 DN50,A48Y-64 DN65,A48Y-64 DN80,彈簧全啟式安全閥

A48Y-64 DN100,A48Y-64 DN150,A48Y-64 DN200,彈簧全啟式安全閥

A48Y-100 DN25,A48Y-100 DN32,A48Y-100 DN40,彈簧全啟式安全閥

A48Y-100 DN50,A48Y-100 DN65,A48Y-100 DN80,彈簧全啟式安全閥

A48Y-100 DN100,A48Y-100 DN150,A48Y-100 DN200,彈簧全啟式安全閥

A48Y-64 DN80 DN100安全閥用途
A48Y-16C DN80-DN100安全閥適用于工作溫度≤350℃的蒸汽、空氣等介質(zhì)的設(shè)備或管路上，作為超壓保護(hù)裝置。

A48Y-64 DN80 DN100安全閥外形尺寸和連接尺寸

公稱通徑DN	do	DN′	L	L1	≈H
20	15	25	110	95	306
25	16	32	110	95	306
32	20	40	115	100	309
40	25	50	120	110	323
50	32	65	135	120	333
65	40	80	160	140	420
80	50	100	170	135	432
100	65	125	205	160	553
125	80	150	210	190	639
150	100	175	255	230	654
200	125	250	305	260	797
250	150	300	350	320	998
300	220	400	370	350	1246
350	250	500	500	450	1711
400	280	500	500	450	1780