{"product_id":"burkle-stopcock-straight-through","title":"Burkle StopCock Straight-Through Liquid Dispensing Taps","description":"\u003ch2\u003eBurkle StopCock Straight-Through Liquid Dispensing Taps\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eBurkle StopCock straight-through\u003c\/strong\u003e is a compact liquid dispensing tap designed for controlled flow from containers, canisters and barrels with \u003cstrong\u003eG 3\/4\" threaded connections\u003c\/strong\u003e. The plug-valve design allows the liquid flow to be throttled or shut off as required.\u003c\/p\u003e\n\n\u003cp\u003eThis StopCock family is available in three connection configurations, allowing you to select the version that best matches your container and downstream connection. All three models use a G 3\/4\" connection and are rated for a maximum operating pressure of \u003cstrong\u003e2 bar at 20 °C\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cdiv style=\"border:1px solid #D9D9D9; padding:18px; margin:24px 0; border-radius:8px; background:#f8f8f8;\"\u003e\n\u003cstrong\u003eNeed help choosing the correct connection?\u003c\/strong\u003e\u003cbr\u003e\nThe three variants differ primarily in how the StopCock connects to the container and outlet. Compare the connection configurations below before selecting your model.\n\u003c\/div\u003e\n\n\u003ch2\u003eChoose the Correct StopCock Configuration\u003c\/h2\u003e\n\n\u003ctable style=\"width:100%; border-collapse:collapse; margin:20px 0;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #D9D9D9; padding:10px; text-align:left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"border:1px solid #D9D9D9; padding:10px; text-align:left;\"\u003eConnection Configuration\u003c\/th\u003e\n\u003cth style=\"border:1px solid #D9D9D9; padding:10px; text-align:left;\"\u003eLength\u003c\/th\u003e\n\u003cth style=\"border:1px solid #D9D9D9; padding:10px; text-align:left;\"\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003e\u003cstrong\u003e0525-3000\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003eG 3\/4\" External → G 3\/4\" External\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003e85 mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003eApplications requiring an external-thread connection at both ends\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003e\u003cstrong\u003e0525-5000\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003eG 3\/4\" Cap Nut → G 3\/4\" External\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003e85 mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003eContainer-side cap-nut connection with an external-thread outlet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003e\u003cstrong\u003e0525-7000\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003eG 3\/4\" Cap Nut → G 3\/4\" Cap Nut\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003e93 mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003eApplications requiring cap-nut connections at both ends\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eControlled Liquid Flow from Containers\u003c\/h2\u003e\n\n\u003cp\u003eStopCocks provide a simple way to control liquid discharge from containers fitted with compatible G 3\/4\" connections. The valve can be used to \u003cstrong\u003ethrottle the flow or shut it off\u003c\/strong\u003e, making it suitable for controlled dispensing, transfer and draining applications.\u003c\/p\u003e\n\n\u003cp\u003eBurkle states that StopCock discharge taps fit containers with G 3\/4\" connection threads, while thread adapters can be used to facilitate connection to a wide range of other containers.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eG 3\/4\" connections\u003c\/strong\u003e for compatibility with Burkle StopCock container systems and compatible threaded containers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-valve design\u003c\/strong\u003e for throttling or shutting off liquid flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow flow rate\u003c\/strong\u003e for controlled liquid dispensing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 bar maximum operating pressure at 20 °C\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePP and HDPE construction\u003c\/strong\u003e with PTFE and LDPE components\/materials specified by the manufacturer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlue construction\u003c\/strong\u003e for easy identification.\u003c\/li\u003e\n\u003cli\u003eCompatible hose nozzles and other StopCock accessories are available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable style=\"width:100%; border-collapse:collapse; margin:20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003e\u003cstrong\u003eProduct family\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003eBurkle StopCock straight-through\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003e\u003cstrong\u003eValve design\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003ePlug valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003e\u003cstrong\u003eConnection size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003eG 3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003e\u003cstrong\u003eMaximum operating pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003e2 bar at 20 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003e\u003cstrong\u003eFlow rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003eLow flow rate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003e\u003cstrong\u003eGeneral materials\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003ePP, PE-HD (HDPE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003e\u003cstrong\u003eFurther materials\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003ePTFE, PE-LD (LDPE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003eBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003e\u003cstrong\u003ePackaging\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003e1 piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eConnection Options\u003c\/h2\u003e\n\n\u003ch3 style=\"font-size:18px; line-height:1.35;\"\u003e0525-3000 – External Thread on Both Ends\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e0525-3000\u003c\/strong\u003e has a G 3\/4\" external thread at the container connection and a G 3\/4\" external thread at the outlet. This configuration is appropriate when both mating connections require an internal G 3\/4\" thread.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:18px; line-height:1.35;\"\u003e0525-5000 – Cap Nut to External Thread\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e0525-5000\u003c\/strong\u003e combines a G 3\/4\" cap-nut connection with a G 3\/4\" external-thread outlet. This provides a flexible configuration when the container-side connection requires a cap nut while the downstream connection uses an internal G 3\/4\" thread.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:18px; line-height:1.35;\"\u003e0525-7000 – Cap Nut on Both Ends\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e0525-7000\u003c\/strong\u003e uses G 3\/4\" cap-nut connections at both ends. This configuration is useful where the StopCock needs to connect between compatible components using cap-nut connections.\u003c\/p\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\n\u003ctable style=\"width:100%; border-collapse:collapse; margin:20px 0;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #D9D9D9; padding:10px; text-align:left;\"\u003eApplication\u003c\/th\u003e\n\u003cth style=\"border:1px solid #D9D9D9; padding:10px; text-align:left;\"\u003eHow the StopCock Helps\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003eLiquid dispensing\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003eProvides controlled opening, throttling and shut-off of liquid flow.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003eContainer draining\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003eAllows liquid to be discharged from compatible G 3\/4\" containers.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003eLaboratory liquid handling\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003eProvides a compact valve for controlled transfer and dispensing setups.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003eCanister and barrel dispensing\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #D9D9D9; padding:10px;\"\u003eProvides a threaded StopCock connection for compatible storage containers.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cdiv style=\"border:1px solid #D9D9D9; padding:18px; margin:24px 0; border-radius:8px; background:#fff8e5;\"\u003e\n\u003cstrong\u003eImportant compatibility note:\u003c\/strong\u003e\u003cbr\u003e\nBurkle specifies that StopCock discharge taps fit containers with G 3\/4\" connection threads. Always verify the thread type, connection configuration and chemical compatibility of the complete liquid-handling system before use.\n\u003c\/div\u003e\n\n\u003ch2\u003eStopCock Accessories\u003c\/h2\u003e\n\n\u003cp\u003eThese straight-through StopCocks can be combined with Burkle StopCock accessories for different liquid-transfer requirements. Compatible hose nozzles allow a hose to be connected directly to StopCock taps with an external thread, while the StopCock discharge angle provides a rotatable outlet for directing liquid into smaller or harder-to-reach openings.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Product Note\u003c\/h2\u003e\n\n\u003cp\u003eBurkle specifies that these StopCock models are \u003cstrong\u003enot suitable for crystallizing substances\u003c\/strong\u003e. Chemical compatibility should also be confirmed for the specific liquid and operating conditions before use.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3 style=\"font-size:18px; line-height:1.35;\"\u003eWhat thread size do these StopCock valves use?\u003c\/h3\u003e\n\u003cp\u003eAll three variants use \u003cstrong\u003eG 3\/4\"\u003c\/strong\u003e connections. The difference is whether each connection is an external thread or a cap-nut configuration.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:18px; line-height:1.35;\"\u003eWhat is the difference between the three models?\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e0525-3000\u003c\/strong\u003e has external threads on both ends. The \u003cstrong\u003e0525-5000\u003c\/strong\u003e has a cap nut on one end and an external thread on the other. The \u003cstrong\u003e0525-7000\u003c\/strong\u003e has cap nuts on both ends.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:18px; line-height:1.35;\"\u003eWhat is the maximum operating pressure?\u003c\/h3\u003e\n\u003cp\u003eThe manufacturer specifies a maximum operating pressure of \u003cstrong\u003e2 bar at 20 °C\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:18px; line-height:1.35;\"\u003eCan a hose be connected to these StopCocks?\u003c\/h3\u003e\n\u003cp\u003eYes. Burkle offers dedicated StopCock hose nozzles that screw onto StopCock taps with an external thread, allowing compatible hose to be connected directly to the outlet.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:18px; line-height:1.35;\"\u003eAre these StopCocks suitable for all chemicals?\u003c\/h3\u003e\n\u003cp\u003eNo. Material compatibility depends on the liquid and operating conditions. Burkle provides chemical-resistance information, and compatibility should be verified before use.\u003c\/p\u003e\n\n\u003cdiv style=\"border:1px solid #D9D9D9; padding:18px; margin:28px 0; border-radius:8px; background:#f8f8f8;\"\u003e\n\u003ch3 style=\"font-size:18px; line-height:1.35; margin-top:0;\"\u003eNeed Help Selecting the Correct StopCock?\u003c\/h3\u003e\n\u003cp style=\"margin-bottom:16px;\"\u003eIf you are unsure which connection configuration matches your container or dispensing setup, contact Cambridge Environmental Products for assistance selecting the appropriate model.\u003c\/p\u003e\n\u003ca href=\"\/fr\/pages\/contact\" style=\"display:inline-block; padding:12px 18px; background:#1f4e79; color:#ffffff; text-decoration:none; border-radius:5px; font-weight:bold;\"\u003eContact Cambridge for Product Support\u003c\/a\u003e\n\u003c\/div\u003e\n","brand":"Burkle","offers":[{"title":"G 3\/4\" External → G 3\/4\" External","offer_id":49703371145475,"sku":"0525-3000","price":66.13,"currency_code":"CAD","in_stock":true},{"title":"G 3\/4\" Cap Nut → G 3\/4\" External","offer_id":49703371178243,"sku":"0525-5000","price":59.03,"currency_code":"CAD","in_stock":true},{"title":"G 3\/4\" Cap Nut → G 3\/4\" Cap Nut","offer_id":49703371211011,"sku":"0525-7000","price":70.19,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2006\/8997\/files\/0525-3000_stopcock_durchlaufhahn_seitenansicht_freigestellt.png?v=1790359071","url":"https:\/\/cambridgeenviro.com\/fr\/products\/burkle-stopcock-straight-through","provider":"Cambridge Environmental Products, Inc.","version":"1.0","type":"link"}