全系列型號(hào)H+L電磁閥WE50-4R1440R24/0H技術(shù)參數(shù) |
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全系列型號(hào)H+L電磁閥WE50-4R1440R24/0H技術(shù)參數(shù)![]() 德國羅姆希特ROEMHELD主要產(chǎn)品:ROEMHELD油缸、ROEMHELD液壓夾緊油缸、ROEMHELD液壓夾緊元件、ROEMHELD液壓閥、ROEMHELD液壓夾具等。 ROEMHELD液壓油缸以及液壓夾具產(chǎn)品使用范圍廣泛,首要應(yīng)用:石油化工、冶金、電力、礦山、轎車等。公司通過多年的開展,ROEMHELD系列產(chǎn)品在各國業(yè)界獲得廣泛贊賞和認(rèn)同,羅姆希特品牌在液壓動(dòng)力范疇中有著很高的知名度,ROEMHELD在各地有多個(gè)工廠,而ROEMHELD產(chǎn)品廣泛用于轎行業(yè)。 ROEMHELD公司長(zhǎng)期以來對(duì)產(chǎn)品的不斷創(chuàng)新和優(yōu)化,通過對(duì)產(chǎn)品的不斷更新?lián)Q代及很多新產(chǎn)品的推出,讓用戶體驗(yàn)到更好的品質(zhì)和更高的效率。ROEMHELD始終堅(jiān)持對(duì)品質(zhì)的精雕細(xì)鏤及對(duì)細(xì)節(jié)謹(jǐn)慎精神的產(chǎn)品理念,以其優(yōu)良的產(chǎn)品質(zhì)量、熱心的服務(wù)和先進(jìn)的技能為導(dǎo)向,為工業(yè)范疇的開展作出了重要貢獻(xiàn)。 遭到職業(yè)界的廣泛認(rèn)同。ROEMHELD液壓油缸應(yīng)用領(lǐng)域:在機(jī)床工業(yè)中,目前機(jī)床傳動(dòng)系統(tǒng)有85%采用了液壓傳動(dòng)與控制。如磨床、銑床、刨床、拉床、壓力機(jī)、剪床、和組合機(jī)床等。在工程機(jī)械中,普遍采用了液壓傳動(dòng),如挖掘機(jī)、輪胎載機(jī)、汽車起重機(jī)、履帶推土機(jī)、輪胎起重機(jī)、自行式鏟運(yùn)機(jī)、平地機(jī)和振動(dòng)式壓路機(jī)等。 在冶金工業(yè)中,電爐控制系統(tǒng)、軋鋼機(jī)的控制系統(tǒng)、平爐料、轉(zhuǎn)爐控制、高爐控制、帶材跑偏和恒張力置等都采用了液壓油缸。在農(nóng)業(yè)機(jī)械中,采用液壓油缸也很廣泛,如聯(lián)合收割機(jī)、拖拉機(jī)和犁等。在輕紡工業(yè)中,采用液壓油缸的有塑料注塑機(jī)、橡膠硫化機(jī)、造紙機(jī)、印刷機(jī)和紡織機(jī)等。在汽車工業(yè)中,液壓越野車、液壓自卸式汽車、液壓高空作業(yè)車和消防車等均采用了液壓技術(shù)。 ROEMHELD液壓夾緊油缸二,ROEMHELD液壓夾緊元件三,ROEMHELD液壓閥四,ROEMHELD液壓工夾具五,ROEMHELD氣動(dòng)元件液壓油缸夾緊油缸高壓截止閥帶固定爪的工夾具氣動(dòng)轉(zhuǎn)位夾緊油缸多功能夾緊油缸浮動(dòng)夾緊油缸節(jié)流閥自定義工夾具氣動(dòng)附件旋入式夾緊油缸轉(zhuǎn)位夾緊油缸溢流閥氣動(dòng)旋轉(zhuǎn)接。 ROEMHELD 部分產(chǎn)品各系列型號(hào)如下: RM30系列 RM31系列 RM40系列 RM41系列 RM50系列 RM51系列 RM60系列 RM30-2010 RM31-0010 RM40-2510 RM41-0010 RM50-2510 RM51-0010 RM60-2510 706337(1023-8002) RM30-2010B RM31-0010B RM40-2510B RM41-0010B RM50-2510B RM51-0010B RM60-2510B 1824-890 RM30-2011 RM31-0011 RM40-2511 RM41-0011 RM50-2511 RM51-0011 RM60-2511 1942-000 RM30-2011B RM31-0011B RM40-2511B RM41-0011B RM50-2511B RM51-0011B RM60-2511B 1474-011 RM30-2012 RM31-0012 RM40-2512 RM41-0012 RM50-2512 RM51-0012 RM60-2512 1472-001 RM30-2012B RM31-0012B RM40-2512B RM41-0012B RM50-2512B RM51-0012B RM60-2512B 1543-165-S-H37 RM30-2013 RM31-0013 RM40-2513 RM41-0013 RM50-2513 RM51-0013 RM60-2513 0131-791 RM30-2013B RM31-0013B RM40-2513B RM41-0013B RM50-2513B RM51-0013B RM60-2513B 0131-107 RM30-2014 RM31-0014 RM40-2514 RM41-0014 RM50-2514 RM51-0014 RM60-2514 1911-882 RM30-2014B RM31-0014B RM40-2514B RM41-0014B RM50-2514B RM51-0014B RM60-2514B D-35321 LAUBACH RM30-2015 RM31-0015 RM40-2515 RM41-0015 RM50-2515 RM51-0015 RM60-2515 1458-001 RM30-2015B RM31-0015B RM40-2515B RM41-0015B RM50-2515B RM51-0015B RM60-2515B 1891-101 RM30-2016 RM31-0016 RM40-2516 RM41-0016 RM50-2516 RM51-0016 RM60-2516 1891-201 RM30-2016B RM31-0016B RM40-2516B RM41-0016B RM50-2516B RM51-0016B RM60-2516B 02153-10042 ROEMHELD油缸1942-015 ROEMHELD 1941000 ROEMHELD 1842000 ROEMHELD 2953111 ROEMHELD 2953100 ROEMHELD 1755023 ROEMHELD 1543166 ROEMHELD 1472011 ROEMHELD 0131974 ROEMHELD 1475011 ROEMHELD 2953111 ROEMHELD 1543265 ROEMHELD 1914010 ROEMHELD 1895403 ROEMHELD-1893233 ROEMHELD-1849023 ROEMHELD-1842201 ROEMHELD-1840201 ROEMHELD-1547105 ROEMHELD-1514115 ROEMHELD-1513025 ROEMHELD-1512801 ROEMHELD 1460000 RoemheldM12信號(hào)接頭3829-106 RoemheldSeal kit0131-826 RoemheldSeal kit0132-095 Roemheld傳感器3829-227 ROEMHELD傳感器3829-234替代3829-109 Roemheld垂直夾緊液壓缸1472-011 ROEMHELD磁性傳感器3829-234 帶插頭 線長(zhǎng)5米 ROEMHELD大小連接頭3610-062 ROEMHELD堵頭3610-006 Roemheld浮動(dòng)缸1942-000 ROEMHELD輔助支撐1755-023 Roemheld輔助支撐1942-010 Roemheld輔助支撐缸1940-000 ROEMHELD高壓油站8405-189T Roemheld夾緊缸1402-010 Roemheld夾緊油缸1513-025 Roemheld夾具油缸1474-816(升級(jí)為1472-001M) ROEMHELD夾具油缸1895-403 250355 Roemheld減壓閥2953-100 Roemheld減壓閥2953-111 Roemheld接口9384-100 Roemheld接頭9384-624 ROEMHELD可調(diào)彎接頭9208-103 roemheld塊狀油缸HTB-SD40*25N-T roemheld塊狀油缸HTB-SD50*25N-T2 Roemheld連接器3829-230 ROEMHELD連接線3829-099 ROEMHELD螺塞堵頭3829-099 Roemheld密封100/63-40 STROCKE(丁腈橡膠) 0131-168 Roemheld密封件0131-200 Roemheld密封件0131-926 Roemheld密封件0131-927 ROEMHELD密封套件0131480 Roemheld氣缸1545-105B Roemheld氣缸E1547-095 Roemheld氣密檢測(cè)單向閥0460-682 N01 R Roemheld順序閥2954-420 Roemheld液壓缸1547-105 ROEMHELD液壓缸1942-201 Roemheld液壓油缸1344-802 Roemheld油缸(配密封件)D-35321 ROEMHELD油缸1458-001 Roemheld油缸1460-000 ROEMHELD油缸1463-000 Roemheld油缸1474-001M替代E1474-817 Roemheld油缸1475-011 ROEMHELD油缸1512-801 Roemheld油缸1514-115 Roemheld油缸1537801-H25 缸徑:63 桿徑:40 行程:25 Roemheld油缸1543-166 205R Roemheld油缸1543-516 ROEMHELD油缸1544105B Roemheld油缸1544-1080 ROEMHELD油缸1544165B Roemheld油缸1544-165B ROEMHELD油缸1544195B ROEMHELD油缸1544-516B ROEMHELD油缸1545-100-K ROEMHELD油缸1546-195 ROEMHELD油缸1546-242(3/4-UNF) ROEMHELD油缸1547-175 Roemheld油缸1553-160 Roemheld油缸1893-233 Roemheld油缸1895-1163(L04) Roemheld油缸1897-106 順時(shí)針旋轉(zhuǎn) Roemheld油缸1897-206 逆時(shí)針旋轉(zhuǎn) 右旋 Roemheld油缸1897-206 逆時(shí)針旋轉(zhuǎn) 右旋 Roemheld油缸1914-010 Roemheld油缸密封0131-974 Roemheld油缸密封套件0131-441 Roemheld油缸密封套件0131-442 Roemheld油缸密封套件0131-449 Roemheld油路檢測(cè)單向閥0460-682 N20 R Roemheld增壓器8755-032 Roemheld增壓器8755-040 Roemheld支撐缸1940-201 Roemheld直通接頭9208-102 ROEMHELD制動(dòng)缸1543-516 Roemheld轉(zhuǎn)角缸1849-023 ROEMHLD油缸1554-160 ROEMHELDThreaded bushing0154-611 ROEMHELD油缸1896-1020-90M ROEMHELD備件0131-840 for 1895-403-VDH35 ROEMHELD備件0341-100 ROEMHELD聯(lián)軸器0460-886 L33 R 219943 ROEMHELD備件1544105B ROEMHELD油缸1955-860 ROEMHELD油缸1953-844 ROEMHELD增壓油缸傳感器連接器3829-230 ROEMHELD轉(zhuǎn)角油缸1896-604AL ROEMHELD備件0460-656R,A.1106.1331 ROEMHELD油缸1942300 ROEMHELD接頭0460-635 ROEMHELD油缸1298 130- 250 ROEMHELD油缸1754-023 ROEMHELD備件E1571-814 ROEMHELD蓄能器9605-600 ROEMHELD油缸Order Nr. 1550105 ROEMHELD磁簧開關(guān)2829-234 ROEMHELD旋轉(zhuǎn)接頭9281-106 ROEMHELD塊狀油缸1534136B ROEMHELD輔助支撐1955-869 ROEMHELD油缸1535-166B_Hub_50 12.9KN ROEMHELD夾緊缸1896323VMM36 ROEMHELD輔助支撐ID;1942010 S27R 901752 ROEMHELD塊狀油缸1534136B ROEMHELD輔助支撐1942-898 ROEMHELD油缸2954-420 ZKG2 AF220 ROEMHELD備件1825112 ROEMHELD注油器總成0460-775 ROEMHELD油缸18961020M75M ROEMHELD夾緊缸1802200 ROEMHELD氣體連接器0460-711 ROEMHELD液壓旋轉(zhuǎn)油缸ART NO:1897204 為了減小直接抽吸對(duì)市政供水的影響,一般應(yīng)在設(shè)備入口管道上串接一個(gè)承壓貯水容器。主要起緩沖作用(動(dòng)態(tài)補(bǔ)償作用)的水罐稱為緩沖罐;平時(shí)無動(dòng)態(tài)緩沖作用僅在市政管無水壓時(shí)才起備用水源作用的水罐稱為水源罐。大容積的承壓水池也是水源罐的一種形式(一般采用鋼筋混凝土現(xiàn)場(chǎng)施工建造。配套緩沖罐的接力增壓設(shè)備與配套水源罐的接力增壓設(shè)備運(yùn)行原理有一定差異,下面分別予以說明。配套緩沖罐的設(shè)備設(shè)備說明成套設(shè)備一般由緩沖罐、水泵機(jī)組、氣壓罐控制柜及控制儀表組成,各部分說明如下:緩沖罐:是接在設(shè)備入口處的氣壓罐,簡(jiǎn)稱緩沖罐,給水運(yùn)行時(shí)罐內(nèi)部分容積為壓縮空氣,靠壓縮空氣的貯能,對(duì)各種突變沖擊具有很好的減緩消除作用,同時(shí)對(duì)市政供水具有一定動(dòng)態(tài)補(bǔ)償作用。 ROEMHELD增壓油缸傳感器連接器3829-230 ROEMHELD備件1534136BH10 ROEMHELD液壓缸1942201 ROEMHELD夾緊油缸1940-010-K47-R-857204 ROEMHELD連接機(jī)構(gòu)A.1106.1331 0460-656R ROEMHELD油缸1471011M ROEMHELDGROB夾具托盤耦合單向閥0460937 ROEMHELD塊狀液壓缸家側(cè)套件0382300 ROEMHELD備件1895-101 ROEMHELD備件1847B090L39 ROEMHELD備件1544105B ROEMHELD備件8772-101 ROEMHELD旋轉(zhuǎn)油缸1895608M,500bar ROEMHELD油缸1896-103NM90M ZKG2 AF210 ROEMHELD備件1576-106 ROEMHELDGROB夾具托盤耦合單向閥0460937 ROEMHELD備件1539156BH20 ROEMHELD接頭0460-831 ROEMHELD油缸1544-165 ROEMHELD夾具撐塊1942201 ROEMHELD輔助支撐輔助支撐 1933-005 ROEMHELD夾緊油缸635882 1462000 35R ROEMHELD輔助支撐1942017 ROEMHELD氣缸1546-195 ROEMHELD旋轉(zhuǎn)油缸1897-228VMH38 ROEMHELD密封件配套端模油缸15461061的密封件 ROEMHELD備件3821-246 ROEMHELD備件12x147/8.0530.0058 ROEMHELD塊狀液壓缸家側(cè)套件0382300 ROEMHELD備件1461-101 ROEMHELD備件1544-513 ROEMHELD旋轉(zhuǎn)式耦合連接器9284036 ROEMHELD夾緊缸1802230B ROEMHELD油缸1893-504 ROEMHELD轉(zhuǎn)角油缸1895-524AI ROEMHELD夾緊油缸(右)1895609 ROEMHELD夾緊缸1896423VMM36 ROEMHELD零位加緊單元6000-006-1 067-007-08 ROEMHELD油缸1475-011R31R 797260 ROEMHELD備件15471026 ROEMHELD鎖緊缸1544-100K ROEMHELD感應(yīng)器連接器3829-124 ROEMHELD備件0341-101 ROEMHELD增壓器8753202 ROEMHELD密封件配套端模油缸15481002的密封件 ROEMHELD塊狀油缸1534136B ROEMHELD接口總成接口總成0460-739 ROEMHELD位置開關(guān)3829-234 ROEMHELD備件0341-100 ROEMHELD內(nèi)部接口0460-656 ROEMHELD夾緊油缸1825-320HINGECLAMP ROEMHELD油缸1953-021 ZKG2 AF200 ROEMHELD塊狀液壓缸家側(cè)套件0382300 ROEMHELD旋轉(zhuǎn)式耦合連接器9284036 ROEMHELD備件1546-105(50/32-25) ROEMHELD油缸R(shí)1942010WS ROEMHELD注油器總成0460-775 ROEMHELD夾緊油缸Clamp cylinder 10201003_clamp_hyd_1824-040 ROEMHELD密封0131-441用于1543-106ZM ROEMHELD轉(zhuǎn)角油缸1895-524AI ROEMHELD輔助支撐缸1953-322 ROEMHELD油缸18951933 ROEMHELD旋轉(zhuǎn)油缸1895608M,500bar ROEMHELD油缸1942015 ROEMHELD備件0382-301 ROEMHELD側(cè)模油缸1550950 ROEMHELD油缸NR.8753808 ROEMHELD油缸R(shí)1942010WS ROEMHELD備件1461-100 ROEMHELD節(jié)流閥9208-130 ROEMHELD備件2954-812 ROEMHELD單向閥0460656 ROEMHELD減壓閥2953-110 ROEMHELD氣缸訂貨號(hào):1873105 ROEMHELD支撐1953-867 ROEMHELD位置開關(guān)3829-201 ROEMHELD備件8755-032(HC2-3.2-B-1B) 1261194 ROEMHELD閥門P/N:2953110 ROEMHELD備件0132527ROEMHELDSpare thread sealing ring3001-730 ROEMHELDThreaded bushing0154-611 ROEMHELD備件0460-814 ROEMHELD備件1311-025 ROEMHELD備件1461-000 ROEMHELD備件1474829 ROEMHELD備件1541106XM ROEMHELD備件1544105B ROEMHELD備件1824040 ROEMHELD備件1895-101 ROEMHELD備件1895-101 ROEMHELD備件1896030 E1896-030 ROEMHELD備件1942000 ROEMHELD備件1942000 ROEMHELD備件1942017 ROEMHELD備件2954 429 ROEMHELD備件2954420 ROEMHELD備件2954420 ROEMHELD備件2954-420 ROEMHELD備件2954-812 ROEMHELD備件3823-040-3M ROEMHELD備件3829228 ROEMHELD備件8817-002 ROEMHELD備件Artikel-Nr. 1546513 ROEMHELD備件Artikel-Nr. 3614065 ROEMHELD備件NR:0460-729 01.068350 ROEMHELD備件VSHR 3610-006 G1/4 ROEMHELD單向閥0460815 ROEMHELD輔助支撐1955-868 ROEMHELD輔助支撐1955-880 ROEMHELD輔助支撐輔助支撐 1933-005 ROEMHELD感應(yīng)器3829240 ROEMHELD工作臺(tái)上接口460815 ROEMHELD夾緊缸(扁1473-00125Hub ROEMHELD夾緊缸1804200 ROEMHELD夾緊油缸1824-081SLIDEPIVOTINGCLAMP ROEMHELD夾緊油缸1942-849-003-R 508078 ROEMHELD夾具油缸1953-846 ROEMHELD接近開關(guān)3829-234 ROEMHELD卡具油缸R(shí)ESERVE:1942-010 151R ROEMHELD連接機(jī)構(gòu)0460-656R A.1106.1331 ROEMHELD連接機(jī)構(gòu)A.1106.1331 0460-656R ROEMHELD密封SEAL0132-125(用于1942-107、1942-117) ROEMHELD模具液壓油缸1544513 ROEMHELD內(nèi)部接口0460-656 ROEMHELD內(nèi)部接口0460-656 ROEMHELD鎖緊螺母ROEMHELD LOCK NUT:#3301-566(MAG T.1041.4560) ROEMHELD位置開關(guān)3829-234 ROEMHELD旋轉(zhuǎn)夾爪1895-303-VDH35 ROEMHELD旋轉(zhuǎn)接頭9281-106 ROEMHELD旋轉(zhuǎn)式耦合連接器9284036 ROEMHELD壓緊螺栓3611-008 ROEMHELD液壓缸1543-516 ROEMHELD液壓缸1545-165 ROEMHELD液壓缸1942-012 ROEMHELD油缸1475-011R31R 797260 ROEMHELD油缸1546407 ROEMHELD油缸1754-023 ROEMHELD油缸1896-091 ROEMHELD油缸18961020M75M ROEMHELD油缸1896-1026M45M ROEMHELD油缸1896-1037000M ZKG2 AF220 ROEMHELD油缸1896-1037M45M ZKG2 AF220 ROEMHELD油缸1896-103NM90M ZKG2 AF210 ROEMHELD油缸1897-1371M30M ROEMHELD油缸1940-000 ROEMHELD油缸1942300 ROEMHELD油缸1955-874/01.102870 ROEMHELD油缸Art-Nr:1896403VMH36 ROEMHELD油缸E 1893-1182 ZKG2 AF210 ROEMHELD油缸E1545-1031 ROEMHELD增壓缸R(shí)OEMHELD INTENSFIER:#8755-032(MAG A.1101.7833) ROEMHELD增壓器8755-032 ROEMHELD支撐缸1472-011 ROEMHELD轉(zhuǎn)角油缸1895-104M(順時(shí)針) ROEMHELD轉(zhuǎn)角油缸1896-504AI ROEMHELD轉(zhuǎn)角油缸1896-504AI ROEMHELD備件1942000 ROEMHELD備件1461-000 ROEMHELD高壓過濾器3887-067 ROEMHELD備件1955012 ROEMHELD備件0460-727 ROEMHELD接頭460691 ROEMHELD備件1942000 ROEMHELD旋轉(zhuǎn)式耦合連接器9284036 ROEMHELD夾緊油缸1940-010-K47-R-857204 ROEMHELD備件1942000 ROEMHELD備件2954-812 ROEMHELD轉(zhuǎn)角油缸NO:1895-131 ROEMHELD備件1545-513 ROEMHELD備件18961093 ROEMHELD內(nèi)部接口0460-656 ROEMHELD備件1955-901 ROEMHELD備件1460-804 024R524220 ROEMHELD備件VSHR 3610-006 G1/4 ROEMHELD液壓缸1544-105 ROEMHELD夾緊油缸1896-648-VMH36 ROEMHELD油缸1897-1371M30M ROEMHELD油缸1544-106Y ZKG2 AF280 ROEMHELD單向閥0460815 ROEMHELD內(nèi)部接口0460-656 ROEMHELD接頭460691 ROEMHELD備件1311-025 ROEMHELD油缸1472-823 ZKG1 AF300 ROEMHELD備件1876403 ROEMHELD備件1544-1019RTA驅(qū)動(dòng)器X-PLUS S4.1 ITALVIBRAS 電機(jī) M3/20-S02EUROGI散熱置4.800.007也應(yīng)根據(jù)介質(zhì)的特性和溫度范圍選用材質(zhì)。一般非金屬的耐溫、耐壓一般比金屬差。因此常用于流量不大且溫度、使用壓力較低和場(chǎng)合。7真空泵的選用:真空泵是為了獲取低于常壓的真空度而使用的一種泵,通常它的分類是通過真空度的大小或抽氣速率的多少來確定泵的類型。通?煞譃樾、容積式(活塞式、螺桿式)、水環(huán)式。有幾種指標(biāo)可以說明真空泵的性能:真空度:以壓力P表示,單位KpTor、mmHg(1個(gè)大氣壓=11.325Kpa=1Torr=76mmHg=1.1325bar)抽氣速率:指在單位時(shí)間內(nèi),真空泵吸入口吸入的氣體體積(指常溫常壓下的體積流量)。高壓、高溫或低溫介質(zhì)的場(chǎng)合;介質(zhì)中含有固體懸浮物或黏性流體的場(chǎng)合;電磁閥的作用是快速地切斷和接通氣源,使閥處于完全通、斷的位置,多用于安全放空閥;赜嶉_關(guān)是需要在控制室實(shí)時(shí)監(jiān)測(cè)到閥位的信號(hào)才選用的。保位閥的選擇是根據(jù)工藝狀況,當(dāng)氣源切斷時(shí),閥位要求保持在一定的位置上,但這種情況不多見。調(diào)節(jié)閥是自動(dòng)控制系統(tǒng)中一個(gè)重要的環(huán)節(jié),若選擇計(jì)算不準(zhǔn)確,使用維護(hù)不得當(dāng),將直接影響控制系統(tǒng)的控制質(zhì)量,甚至造成嚴(yán)重的生產(chǎn)事故。通用要求1.1閥門規(guī)格及類別,應(yīng)符合管道設(shè)計(jì)文件的要求。門的型號(hào)應(yīng)注明依據(jù)的國標(biāo)編號(hào)要求。若是企業(yè)標(biāo)準(zhǔn),應(yīng)注明型號(hào)的相關(guān)說明。門工作壓力,要求≥管道的工作壓力,在不影響價(jià)格的前提下,閥門可承受的工壓應(yīng)大于管道實(shí)際的工壓;閥門關(guān)閉狀況下的任何一側(cè)應(yīng)能承受1.1倍閥門工壓值而不滲漏;閥門開啟狀況下,閥體應(yīng)能承受二倍閥門工壓的要求。門制造標(biāo)準(zhǔn),應(yīng)說明依據(jù)的國標(biāo)編號(hào),若是企業(yè)標(biāo)準(zhǔn),采購合同上應(yīng)附企業(yè)文件。閥門標(biāo)質(zhì)2.1閥體材質(zhì),應(yīng)以球墨鑄鐵為主,并注明牌號(hào)及鑄鐵實(shí)際的物理化學(xué)檢測(cè)數(shù)據(jù)。2閥桿材質(zhì),力求不銹鋼閥桿(2CR13),大口徑閥門也應(yīng)是不銹鋼嵌包的閥桿。母材質(zhì),采用鑄鋁黃銅或鑄鋁青銅,且硬度與強(qiáng)度均大于閥桿。桿襯套材質(zhì),其硬度與強(qiáng)度均應(yīng)不大于閥桿,且在水浸泡狀況下與閥桿、閥體不形成電化學(xué)腐蝕。封面的材質(zhì):閥門類別不一,密封方式及材質(zhì)要求不一;普通楔式閘閥,銅環(huán)的材質(zhì)、固定方式、研磨方式均應(yīng)說明;軟密封閘閥,閥板襯膠材料的物理化學(xué)及衛(wèi)生檢測(cè)數(shù)據(jù);蝶閥應(yīng)標(biāo)明閥體上密封面材質(zhì)及蝶板上密封面材質(zhì);它們的物理化學(xué)檢測(cè)數(shù)據(jù),特別是橡膠的衛(wèi)生要求、抗老化性能、耐磨性能;通常采用丁晴橡膠及三元乙丙橡膠等,嚴(yán)禁摻用再生膠。6閥軸填料:由于管網(wǎng)中的閥門,通常是啟閉不頻繁的,要求填料在數(shù)年內(nèi)不活動(dòng),填料亦不老化,長(zhǎng)期保持密封效果;閥軸填料亦應(yīng)在承受頻繁啟閉時(shí),密封效果的良好性;鑒于上述要求,閥軸填料力求終身不換或十多年不更換;填料若需更換,閥門設(shè)計(jì)應(yīng)考慮能有水壓的狀況下更換的措施。變速傳動(dòng)箱3.1箱體材質(zhì)及內(nèi)外防腐要求與閥體原則一致。2箱體應(yīng)有密封措施,箱體組后能承受3米水柱狀況的浸泡。3箱體上的啟閉限位置,其調(diào)節(jié)螺帽應(yīng)在箱體內(nèi)或設(shè)在箱外,但需專用工具才可作業(yè)。 ![]() ![]() ![]() 對(duì)于優(yōu)質(zhì)碳素鋼結(jié)構(gòu)管、流體管,可以不同爐(罐)的同一牌號(hào)、同一規(guī)格和同一熱處理制度(爐次)的鋼管組成。焊接鋼管每批應(yīng)由同一牌號(hào)(鋼級(jí))、同一規(guī)格的鋼管組成。優(yōu)質(zhì)鋼和高級(jí)優(yōu)質(zhì)鋼在GB/T699-1999和GB/T377-1999標(biāo)準(zhǔn)中,其牌號(hào)后面帶有A字者,為高級(jí)優(yōu)質(zhì)鋼,反之為一般優(yōu)質(zhì)鋼。高級(jí)優(yōu)質(zhì)鋼在下列的部分或全部?jī)?yōu)于優(yōu)質(zhì)鋼:縮小成分含量范圍;減少有害元素(如硫、磷、銅)含量;保證較高純凈度(要求非金屬夾雜物含量少);保證較高力學(xué)性能和工藝性能。 |
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