{"id":72,"date":"2019-01-03T17:26:51","date_gmt":"2019-01-03T09:26:51","guid":{"rendered":"https:\/\/www.bihec.com\/equilibar\/?p=72"},"modified":"2019-01-03T17:26:51","modified_gmt":"2019-01-03T09:26:51","slug":"bd-series-back-pressure-valves-%e8%83%8c%e5%8e%8b%e9%98%80","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/equilibar\/bd-series-back-pressure-valves-%e8%83%8c%e5%8e%8b%e9%98%80\/","title":{"rendered":"BD Series Back Pressure Valves \u80cc\u538b\u9600"},"content":{"rendered":"<p><img src=\"https:\/\/www.equilibar.com\/images\/back-pressure-valve.jpg\" alt=\"back pressure valve with manual pilot air regulator\" \/><\/p>\n<p><img src=\"https:\/\/cdn.equilibar.com\/wp-content\/uploads\/2013\/12\/NLB-Dimensional-Schematic.gif\" alt=\"BD-Dimensional-Schematic\" \/><\/p>\n<p>Equilibar\u2019s BD Series back pressure valves with pipe sizes from 1.5\u2033 up through 4\u2033 handle higher flow applications. They use the same\u00a0precision technology\u00a0as our\u00a0small back pressure regulators,\u00a0but we use terminology \u201cvalve\u201d in this case to denote the larger sizes.\u00a0equilibar \u7684 bd \u7cfb\u5217\u80cc\u538b\u9600, \u7ba1\u9053\u5c3a\u5bf8\u4ece 1.5 &#8220;\u5411\u4e0a\u5230 4&#8221; \u5904\u7406\u66f4\u9ad8\u7684\u6d41\u91cf\u5e94\u7528\u3002\u4ed6\u4eec\u4f7f\u7528\u4e0e\u6211\u4eec\u7684\u5c0f\u80cc\u538b\u8c03\u8282\u5668\u76f8\u540c\u7684\u7cbe\u5bc6\u6280\u672f, \u4f46\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b, \u6211\u4eec\u4f7f\u7528\u672f\u8bed &#8220;\u9600\u95e8&#8221; \u6765\u8868\u793a\u66f4\u5927\u7684\u5c3a\u5bf8\u3002<\/p>\n<p>The BD Series has external elbows attached to the bottom to save significant space compared with side-ported cylindrical designs. Stainless steel and aluminum valve bodies are welded to commercial pipe elbows, while PVC valves are glued to commercial elbows. Flanges can be optionally welded to the elbows if desired. Aluminum elbows are square in shape while stainless steel and PVC are rounded.\u00a0bd \u7cfb\u5217\u7684\u5916\u90e8\u5f2f\u5934\u8fde\u63a5\u5230\u5e95\u90e8, \u4e0e\u4fa7\u79fb\u5706\u67f1\u5f62\u8bbe\u8ba1\u76f8\u6bd4, \u8282\u7701\u4e86\u663e\u8457\u7684\u7a7a\u95f4\u3002\u4e0d\u9508\u94a2\u548c\u94dd\u9600\u4f53\u710a\u63a5\u5728\u5546\u4e1a\u7ba1\u5f2f\u5934\u4e0a, \u800c pvc \u9600\u95e8\u7c98\u9644\u5728\u5546\u4e1a\u5f2f\u5934\u4e0a\u3002\u5982\u679c\u9700\u8981, \u53ef\u4ee5\u9009\u62e9\u5c06\u6cd5\u5170\u710a\u63a5\u5230\u8098\u90e8\u3002\u94dd\u8098\u7684\u5f62\u72b6\u662f\u65b9\u5f62\u7684, \u800c\u4e0d\u9508\u94a2\u548c pvc \u662f\u5706\u5f62\u7684\u3002<\/p>\n<p>BD valves are used for gases, liquids, and mixed phase applications. For liquid applications, an application engineer will discuss the downstream piping design to make sure that water hammer (resonance) does not cause an issue.\u00a0bd \u9600\u95e8\u7528\u4e8e\u6c14\u4f53\u3001\u6db2\u4f53\u548c\u6df7\u5408\u76f8\u5e94\u7528\u3002\u5bf9\u4e8e\u6db2\u4f53\u5e94\u7528, \u5e94\u7528\u5de5\u7a0b\u5e08\u5c06\u8ba8\u8bba\u4e0b\u6e38\u7ba1\u9053\u8bbe\u8ba1, \u4ee5\u786e\u4fdd\u6c34\u9524 (\u5171\u632f) \u4e0d\u4f1a\u5f15\u8d77\u95ee\u9898\u3002<\/p>\n<p>[pdfjs-viewer url=&#8221;https%3A%2F%2Fwww.bihec.com%2Fequilibar%2Fwp-content%2Fuploads%2Fsites%2F311%2F2019%2F01%2FEquilibar-BD_Series-Industrial_Back_Pressure_Regulators_and_Valves.pdf&#8221; viewer_width=100% viewer_height=1360px fullscreen=true download=true print=true]<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<br><div class=\"tagcloud\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Equilibar\u2019s BD Series back pressure valves with pipe sizes from 1.5\u2033 up through 4\u2033 handle  <\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[],"_links":{"self":[{"href":"https:\/\/www.bihec.com\/equilibar\/wp-json\/wp\/v2\/posts\/72"}],"collection":[{"href":"https:\/\/www.bihec.com\/equilibar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bihec.com\/equilibar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bihec.com\/equilibar\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bihec.com\/equilibar\/wp-json\/wp\/v2\/comments?post=72"}],"version-history":[{"count":0,"href":"https:\/\/www.bihec.com\/equilibar\/wp-json\/wp\/v2\/posts\/72\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.bihec.com\/equilibar\/wp-json\/wp\/v2\/media?parent=72"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bihec.com\/equilibar\/wp-json\/wp\/v2\/categories?post=72"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bihec.com\/equilibar\/wp-json\/wp\/v2\/tags?post=72"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}