一、浮动(dong)式(shi)球(qiu)阀(fa)(fa)(fa)结构特点浮动(dong)式(shi)球(qiu)阀(fa)(fa)(fa)通(tong)过进出口两个阀(fa)(fa)(fa)座密封(feng)圈，夹(jia)住中间球(qiu)芯(xin)(xin)。转动(dong)阀(fa)(fa)(fa)杆(gan)，带动(dong)球(qiu)芯(xin)(xin)转动(dong)90°实现球(qiu)阀(fa)(fa)(fa)的开关动(dong)作。球(qiu)芯(xin)(xin)在关闭时，阀(fa)(fa)(fa)杆(gan)顶端的半(ban)圆形(xing)和球(qiu)芯(xin)(xin)的半(ban)圆形(xing)凹槽方向一样，在介质压力作用下，球(qiu)芯(xin)(xin)向出口方向移动(dong)，所以称为浮动(dong)式(shi)球(qiu)阀(fa)(fa)(fa)。

进(jin)出(chu)(chu)口(kou)阀(fa)座(zuo)有一(yi)定的密(mi)封(feng)(feng)预紧(jin)(jin)力，包裹住球(qiu)芯。当阀(fa)门(men)关(guan)闭时，介质压力推动球(qiu)芯，使其紧(jin)(jin)紧(jin)(jin)压住出(chu)(chu)口(kou)阀(fa)座(zuo)密(mi)封(feng)(feng)圈，增加了出(chu)(chu)口(kou)阀(fa)座(zuo)密(mi)封(feng)(feng)性，从而保证球(qiu)阀(fa)的密(mi)封(feng)(feng)性。

浮动式球(qiu)阀(fa)(fa)(fa)(fa)阀(fa)(fa)(fa)(fa)座(zuo)除了预(yu)紧压(ya)(ya)力带来(lai)的(de)载荷(he)，球(qiu)芯(xin)自(zi)重载荷(he)，还要(yao)考虑介质压(ya)(ya)力推动球(qiu)芯(xin)，给(ji)出口阀(fa)(fa)(fa)(fa)座(zuo)带来(lai)的(de)载荷(he)。在高压(ya)(ya)力和大口径球(qiu)阀(fa)(fa)(fa)(fa)时尤(you)其要(yao)注意。避免(mian)阀(fa)(fa)(fa)(fa)座(zuo)材料超过(guo)许(xu)用比压(ya)(ya)，被球(qiu)芯(xin)压(ya)(ya)坏，从(cong)而发生(sheng)内漏现(xian)象。常(chang)见(jian)的(de)阀(fa)(fa)(fa)(fa)座(zuo)材料有，PTFE聚四氟乙烯、对位聚苯(ben)PPL、尼龙(long)、PEEK、金属硬密封等。浙江万联(lian)阀(fa)(fa)(fa)(fa)业有限公司(si)致力于提供球(qiu)阀(fa)(fa)(fa)(fa)产品，有需要(yao)可(ke)以联(lian)系我司(si)哦！湖南600LB球(qiu)阀(fa)(fa)(fa)(fa)哪家(jia)好

气(qi)动(dong)(dong)球(qiu)(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)维护(hu)。气(qi)动(dong)(dong)执行(xing)(xing)器的(de)(de)(de)执行(xing)(xing)速(su)度相对(dui)(dui)较快，快的(de)(de)(de)开关(guan)速(su)度，所以通常也(ye)叫气(qi)动(dong)(dong)快速(su)切断球(qiu)(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。气(qi)动(dong)(dong)球(qiu)(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)维护(hu)保(bao)养：1、使(shi)用(yong)(yong)前，应用(yong)(yong)水(shui)清(qing)(qing)洗(xi)(xi)管(guan)(guan)道和阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)体(ti)(ti)过流(liu)部(bu)(bu)(bu)分(fen)，以防残留(liu)(liu)铁屑和其它杂物(wu)进(jin)(jin)(jin)入阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)体(ti)(ti)内腔(qiang)。2、球(qiu)(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)在(zai)关(guan)闭状态(tai)下(xia)，阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)体(ti)(ti)内仍(reng)然(ran)残留(liu)(liu)部(bu)(bu)(bu)分(fen)介质，也(ye)承受着(zhe)一定压力。在(zai)检(jian)修(xiu)球(qiu)(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)之(zhi)前，要先关(guan)闭球(qiu)(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)前的(de)(de)(de)切断阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)，打开需要检(jian)修(xiu)的(de)(de)(de)球(qiu)(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)，完(wan)全释放阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)体(ti)(ti)内部(bu)(bu)(bu)压力。如(ru)果(guo)(guo)是电(dian)动(dong)(dong)球(qiu)(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)或气(qi)动(dong)(dong)球(qiu)(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)，则应该首先断开电(dian)源和气(qi)源。3、一般软密(mi)封(feng)(feng)球(qiu)(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)均使(shi)用(yong)(yong)四(si)氟（PTFE）作(zuo)为密(mi)封(feng)(feng)材料，硬密(mi)封(feng)(feng)球(qiu)(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)密(mi)封(feng)(feng)面(mian)为金属堆(dui)焊(han)而(er)成。如(ru)需对(dui)(dui)管(guan)(guan)道球(qiu)(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)进(jin)(jin)(jin)行(xing)(xing)清(qing)(qing)洗(xi)(xi)，在(zai)拆卸(xie)时需谨(jin)慎防止(zhi)损(sun)坏(huai)(huai)密(mi)封(feng)(feng)圈而(er)泄(xie)(xie)露。4、气(qi)动(dong)(dong)球(qiu)(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)提(ti)醒如(ru)果(guo)(guo)对(dui)(dui)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)门进(jin)(jin)(jin)行(xing)(xing)清(qing)(qing)洗(xi)(xi)，使(shi)用(yong)(yong)的(de)(de)(de)溶(rong)剂必须和要清(qing)(qing)洗(xi)(xi)的(de)(de)(de)配件不腐蚀。如(ru)果(guo)(guo)是燃气(qi)球(qiu)(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)，则可(ke)用(yong)(yong)汽油进(jin)(jin)(jin)行(xing)(xing)清(qing)(qing)洗(xi)(xi)。其它零部(bu)(bu)(bu)件一般用(yong)(yong)中水(shui)清(qing)(qing)洗(xi)(xi)既可(ke)。清(qing)(qing)洗(xi)(xi)时，要彻(che)(che)底(di)的(de)(de)(de)清(qing)(qing)洗(xi)(xi)干净残留(liu)(liu)的(de)(de)(de)灰尘，油污和其它附着(zhe)物(wu)，如(ru)用(yong)(yong)清(qing)(qing)水(shui)无法(fa)清(qing)(qing)洗(xi)(xi)干净，可(ke)在(zai)不损(sun)坏(huai)(huai)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)体(ti)(ti)和零部(bu)(bu)(bu)件的(de)(de)(de)前提(ti)下(xia)，针对(dui)(dui)性的(de)(de)(de)用(yong)(yong)酒精等清(qing)(qing)洗(xi)(xi)剂进(jin)(jin)(jin)行(xing)(xing)清(qing)(qing)洗(xi)(xi)。清(qing)(qing)洗(xi)(xi)完(wan)成后等清(qing)(qing)洗(xi)(xi)剂彻(che)(che)底(di)挥发后再进(jin)(jin)(jin)行(xing)(xing)装配。5、如(ru)果(guo)(guo)在(zai)使(shi)用(yong)(yong)过程(cheng)中发现填料处(chu)有(you)细微泄(xie)(xie)露，可(ke)以稍稍加紧阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)杆螺母(mu)，紧至(zhi)泄(xie)(xie)露停止(zhi)既可(ke)，不可(ke)继续拧紧。不锈钢(gang)球(qiu)(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)定制浙江万联阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)业有(you)限公司为您(nin)提(ti)供球(qiu)(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)产品，欢迎(ying)新老客户(hu)来电(dian)！

球(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)的功能(neng)与旋(xuan)塞阀(fa)(fa)类(lei)似(球(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)是旋(xuan)塞阀(fa)(fa)的派(pai)生产(chan)品)，由于价格便宜，球(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)比旋(xuan)塞阀(fa)(fa)使用(yong)(yong)(yong)更多(duo)。球(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)特(te)点:在众(zhong)多(duo)阀(fa)(fa)门中其(qi)流(liu)(liu)体(ti)(ti)阻(zu)力更小，流(liu)(liu)动性(xing)更好(hao)，密(mi)(mi)(mi)封效果较好(hao)、启闭迅速(su)、维修(xiu)方便。球(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)一(yi)(yi)般(ban)可以从球(qiu)(qiu)(qiu)(qiu)体(ti)(ti)结(jie)构形(xing)(xing)式(shi)(shi)(shi)(shi)(shi)、阀(fa)(fa)体(ti)(ti)结(jie)构形(xing)(xing)式(shi)(shi)(shi)(shi)(shi)、流(liu)(liu)道(dao)(dao)形(xing)(xing)式(shi)(shi)(shi)(shi)(shi)和(he)阀(fa)(fa)座(zuo)材(cai)料(liao)来进行分(fen)类(lei)。按(an)(an)球(qiu)(qiu)(qiu)(qiu)体(ti)(ti)结(jie)构形(xing)(xing)式(shi)(shi)(shi)(shi)(shi)分(fen)有浮动球(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)和(he)固定球(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)。前(qian)者多(duo)用(yong)(yong)(yong)于小口径(jing)(jing)(jing)，后者用(yong)(yong)(yong)于大口径(jing)(jing)(jing);按(an)(an)阀(fa)(fa)体(ti)(ti)结(jie)构形(xing)(xing)式(shi)(shi)(shi)(shi)(shi)分(fen)有一(yi)(yi)片式(shi)(shi)(shi)(shi)(shi)、两片式(shi)(shi)(shi)(shi)(shi)和(he)三(san)片式(shi)(shi)(shi)(shi)(shi)三(san)种(zhong)。一(yi)(yi)片式(shi)(shi)(shi)(shi)(shi)又有顶(ding)装式(shi)(shi)(shi)(shi)(shi)和(he)侧装式(shi)(shi)(shi)(shi)(shi)两种(zhong);按(an)(an)流(liu)(liu)道(dao)(dao)形(xing)(xing)式(shi)(shi)(shi)(shi)(shi)分(fen)有全(quan)通径(jing)(jing)(jing)和(he)缩径(jing)(jing)(jing)。缩径(jing)(jing)(jing)球(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)比全(quan)通径(jing)(jing)(jing)球(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)用(yong)(yong)(yong)料(liao)少(shao)，价格便宜，如果工艺条件允许(xu)，可以考虑优先使用(yong)(yong)(yong);球(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)流(liu)(liu)道(dao)(dao)可分(fen)为(wei)直通、三(san)通、四(si)通，适用(yong)(yong)(yong)于气、液(ye)(ye)相流(liu)(liu)体(ti)(ti)多(duo)向分(fen)配;按(an)(an)阀(fa)(fa)座(zuo)材(cai)料(liao)分(fen)有软(ruan)密(mi)(mi)(mi)封和(he)硬密(mi)(mi)(mi)封。当用(yong)(yong)(yong)于可燃介质或者外部(bu)环(huan)境有可能(neng)燃烧(shao)时，软(ruan)密(mi)(mi)(mi)封球(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)应具有防静电(dian)、防火设计，制(zhi)造商的产(chan)品应通过防静电(dian)、防火试(shi)验。球(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)的应用(yong)(yong)(yong):一(yi)(yi)般(ban)适用(yong)(yong)(yong)于低温、高压、浆液(ye)(ye)、黏性(xing)流(liu)(liu)体(ti)(ti)以及对(dui)密(mi)(mi)(mi)封要求较高的介质管道(dao)(dao)上(shang)。对(dui)于要求快速(su)启闭的场合一(yi)(yi)般(ban)选(xuan)用(yong)(yong)(yong)球(qiu)(qiu)(qiu)(qiu)阀(fa)(fa)，不能(neng)用(yong)(yong)(yong)作(zuo)调节流(liu)(liu)量(liang)。

球(qiu)(qiu)(qiu)(qiu)阀(fa)是(shi)(shi)一(yi)种(zhong)常用(yong)(yong)(yong)的(de)(de)(de)阀(fa)门，其(qi)工作原理是(shi)(shi)通(tong)(tong)过(guo)旋转球(qiu)(qiu)(qiu)(qiu)体(ti)(ti)(ti)来(lai)控制(zhi)流(liu)体(ti)(ti)(ti)的(de)(de)(de)流(liu)动。球(qiu)(qiu)(qiu)(qiu)体(ti)(ti)(ti)内部(bu)有一(yi)个孔(kong)，当球(qiu)(qiu)(qiu)(qiu)体(ti)(ti)(ti)旋转时(shi)，孔(kong)与管道对齐，流(liu)体(ti)(ti)(ti)就(jiu)可(ke)以通(tong)(tong)过(guo)球(qiu)(qiu)(qiu)(qiu)阀(fa)流(liu)动；当球(qiu)(qiu)(qiu)(qiu)体(ti)(ti)(ti)旋转到与管道垂直时(shi)，孔(kong)与管道不对齐，流(liu)体(ti)(ti)(ti)就(jiu)无法通(tong)(tong)过(guo)球(qiu)(qiu)(qiu)(qiu)阀(fa)流(liu)动。使(shi)用(yong)(yong)(yong)球(qiu)(qiu)(qiu)(qiu)阀(fa)时(shi)需(xu)(xu)要(yao)注意(yi)(yi)以下几点：1. 安装前应(ying)检查球(qiu)(qiu)(qiu)(qiu)阀(fa)的(de)(de)(de)密封性能(neng)，确(que)保(bao)球(qiu)(qiu)(qiu)(qiu)阀(fa)能(neng)够正(zheng)(zheng)常工作。2. 在(zai)使(shi)用(yong)(yong)(yong)过(guo)程中(zhong)，应(ying)注意(yi)(yi)球(qiu)(qiu)(qiu)(qiu)阀(fa)的(de)(de)(de)开关状态，避(bi)(bi)免(mian)出(chu)现(xian)误操作。3. 球(qiu)(qiu)(qiu)(qiu)阀(fa)在(zai)使(shi)用(yong)(yong)(yong)过(guo)程中(zhong)应(ying)定期进行(xing)维护，清洗球(qiu)(qiu)(qiu)(qiu)体(ti)(ti)(ti)和(he)密封面，确(que)保(bao)球(qiu)(qiu)(qiu)(qiu)阀(fa)的(de)(de)(de)正(zheng)(zheng)常使(shi)用(yong)(yong)(yong)寿命。4. 在(zai)球(qiu)(qiu)(qiu)(qiu)阀(fa)使(shi)用(yong)(yong)(yong)过(guo)程中(zhong)，应(ying)注意(yi)(yi)流(liu)体(ti)(ti)(ti)的(de)(de)(de)温度和(he)压力，避(bi)(bi)免(mian)超过(guo)球(qiu)(qiu)(qiu)(qiu)阀(fa)的(de)(de)(de)承受范围。5. 在(zai)球(qiu)(qiu)(qiu)(qiu)阀(fa)使(shi)用(yong)(yong)(yong)过(guo)程中(zhong)，应(ying)注意(yi)(yi)防(fang)止球(qiu)(qiu)(qiu)(qiu)体(ti)(ti)(ti)卡(ka)死或损(sun)坏，避(bi)(bi)免(mian)影响球(qiu)(qiu)(qiu)(qiu)阀(fa)的(de)(de)(de)正(zheng)(zheng)常使(shi)用(yong)(yong)(yong)。浙江万联阀(fa)业有限公(gong)司是(shi)(shi)一(yi)家专业提供球(qiu)(qiu)(qiu)(qiu)阀(fa)产品(pin)的(de)(de)(de)公(gong)司，有需(xu)(xu)求可(ke)以来(lai)电咨询！

Q46F不(bu)(bu)锈(xiu)钢(gang)(gang)(gang)四通(tong)球(qiu)阀Q46F不(bu)(bu)锈(xiu)钢(gang)(gang)(gang)四通(tong)球(qiu)阀在(zai)电站系统(tong)(tong)中(zhong)称(cheng)为(wei)双向(xiang)供水转阀(在(zai)石(shi)化(hua)系统(tong)(tong)中(zhong)也称(cheng)空气(qi)(qi)(qi)换向(xiang)切(qie)换阀)适(shi)(shi)用(yong)(yong)于(yu)(yu)(yu)液体、气(qi)(qi)(qi)体、粉尘(chen)、浆料(liao)及舍固(gu)体颗粒介质(zhi)的(de)循环系统(tong)(tong)。采用(yong)(yong)四通(tong)球(qiu)阀替代(dai)该工(gong)(gong)艺(yi)(yi)管汇和阀组(zu)的(de)工(gong)(gong)作(zuo)(zuo)原理，简化(hua)程序、方(fang)便操作(zuo)(zuo)、降低成本、便于(yu)(yu)(yu)控(kong)制、同步性好(hao)。产品(pin)(pin)名称(cheng)：不(bu)(bu)锈(xiu)钢(gang)(gang)(gang)四通(tong)球(qiu)阀产品(pin)(pin)型号：Q46F公(gong)(gong)(gong)称(cheng)通(tong)径：DN15～DN100结(jie)构(gou)形式：球(qiu)形公(gong)(gong)(gong)称(cheng)压(ya)力：～：法(fa)兰(lan)、螺纹适(shi)(shi)用(yong)(yong)温度：≤425ºC驱动方(fang)式：手动、蜗轮、电动、气(qi)(qi)(qi)动阀体材质(zhi)：铸钢(gang)(gang)(gang)、不(bu)(bu)锈(xiu)钢(gang)(gang)(gang)制造标(biao)准：国标(biao)GB、德国DIN、美国API、ANSI、ISO适(shi)(shi)用(yong)(yong)介质(zhi)：食品(pin)(pin)、水、油、气(qi)(qi)(qi)体、液体生产厂家：上(shang)海凯利科阀门(men)有限公(gong)(gong)(gong)司产品(pin)(pin)说明(ming)Q46F不(bu)(bu)锈(xiu)钢(gang)(gang)(gang)四通(tong)球(qiu)阀在(zai)电站系统(tong)(tong)中(zhong)称(cheng)为(wei)双向(xiang)供水转阀(在(zai)石(shi)化(hua)系统(tong)(tong)中(zhong)也称(cheng)空气(qi)(qi)(qi)换向(xiang)切(qie)换阀)适(shi)(shi)用(yong)(yong)于(yu)(yu)(yu)液体、气(qi)(qi)(qi)体、粉尘(chen)、浆料(liao)及舍固(gu)体颗粒介质(zhi)的(de)循环系统(tong)(tong)。采用(yong)(yong)四通(tong)球(qiu)阀替代(dai)该工(gong)(gong)艺(yi)(yi)管汇和阀组(zu)的(de)工(gong)(gong)作(zuo)(zuo)原理，简化(hua)程序、方(fang)便操作(zuo)(zuo)、降低成本、便于(yu)(yu)(yu)控(kong)制、同步性好(hao)。执行(xing)标(biao)准设(she)计规范：GB/T12237API6DAPI608BS5351结(jie)构(gou)长(zhang)度：GB/：GB/：GB/T13927API598API6D特(te)点1、针对电力系统(tong)(tong)冷却器正反供水特(te)定工(gong)(gong)艺(yi)(yi)过程设(she)计，功能适(shi)(shi)用(yong)(yong)、可(ke)(ke)靠;2、顶装式固(gu)定球(qiu)四面座阀芯结(jie)构(gou)密封性能好(hao)、耐(nai)沙粒磨(mo)损、使用(yong)(yong)寿命长(zhang);3、电动、气(qi)(qi)(qi)动操作(zuo)(zuo)。浙江万联阀业有限公(gong)(gong)(gong)司是(shi)一家专业提供球(qiu)阀产品(pin)(pin)的(de)公(gong)(gong)(gong)司，有想法(fa)可(ke)(ke)以来(lai)我司咨询！福建(jian)球(qiu)阀哪里好(hao)

浙江万联阀业(ye)有限公司为(wei)您(nin)提供球(qiu)阀产(chan)品，有想(xiang)法的不要错(cuo)过哦！湖南600LB球(qiu)阀哪家好(hao)

球阀厂(chang)家执行标准查(cha)找

球阀(fa)(fa)(fa)结(jie)构长(zhang)(zhang)度(du)：ASMEB16.10《阀(fa)(fa)(fa)门(men)的(de)(de)结(jie)构长(zhang)(zhang)度(du)》ISO5752《法(fa)(fa)兰连接(jie)金(jin)属(shu)阀(fa)(fa)(fa)门(men)结(jie)构长(zhang)(zhang)度(du)》BS558《工业(ye)阀(fa)(fa)(fa)门(men)法(fa)(fa)兰连接(jie)管道系统用金(jin)属(shu)阀(fa)(fa)(fa)门(men)的(de)(de)结(jie)构长(zhang)(zhang)度(du)》BS12982《工业(ye)阀(fa)(fa)(fa)门(men)对焊(han)端阀(fa)(fa)(fa)门(men)的(de)(de)结(jie)构长(zhang)(zhang)度(du)》GB／T12221《法(fa)(fa)兰连接(jie)金(jin)属(shu)阀(fa)(fa)(fa)门(men)结(jie)构长(zhang)(zhang)度(du)》GB／T15188.1《阀(fa)(fa)(fa)门(men)的(de)(de)结(jie)构长(zhang)(zhang)度(du)对焊(han)连接(jie)阀(fa)(fa)(fa)门(men)》

球阀(fa)(fa)(fa)(fa)(fa)(fa)试(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)与(yu)检验(yan)(yan)(yan)(yan)(yan)：API598《阀(fa)(fa)(fa)(fa)(fa)(fa)门(men)的(de)检查与(yu)试(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)》API6D《管线阀(fa)(fa)(fa)(fa)(fa)(fa)门(men)》API607《转1/4周软阀(fa)(fa)(fa)(fa)(fa)(fa)座阀(fa)(fa)(fa)(fa)(fa)(fa)门(men)的(de)耐(nai)(nai)火试(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)》API6FA《阀(fa)(fa)(fa)(fa)(fa)(fa)门(men)耐(nai)(nai)火试(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)规范(fan)》GB／T13927《通用阀(fa)(fa)(fa)(fa)(fa)(fa)门(men)压(ya)(ya)力(li)试(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)》JB／T9092《阀(fa)(fa)(fa)(fa)(fa)(fa)门(men)的(de)检验(yan)(yan)(yan)(yan)(yan)与(yu)试(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)》JB／T6899《阀(fa)(fa)(fa)(fa)(fa)(fa)门(men)的(de)耐(nai)(nai)火试(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)》BS6755第1篇《阀(fa)(fa)(fa)(fa)(fa)(fa)门(men)的(de)试(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)第1篇产(chan)品压(ya)(ya)力(li)试(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)的(de)要(yao)求规范(fan)》BS6755第2篇《阀(fa)(fa)(fa)(fa)(fa)(fa)门(men)的(de)试(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)第2篇燃烧试(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)的(de)要(yao)求规范(fan)》BS12569《工业(ye)阀(fa)(fa)(fa)(fa)(fa)(fa)门(men)化(hua)(hua)工和石(shi)油化(hua)(hua)工加工工业(ye)用阀(fa)(fa)(fa)(fa)(fa)(fa)门(men)要(yao)求和试(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)》MSSSP-82《阀(fa)(fa)(fa)(fa)(fa)(fa)门(men)压(ya)(ya)力(li)试(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)方法》MSSSP-61《钢(gang)阀(fa)(fa)(fa)(fa)(fa)(fa)门(men)的(de)压(ya)(ya)力(li)试(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)》湖南600LB球阀(fa)(fa)(fa)(fa)(fa)(fa)哪家好

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