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Stopcocks Suppliers

A stopcock is a valve used to restrict or isolate the flow of a liquid or gas through a pipe. In Great Britain a stopcock, is used to prevent flow of water into a domestic water system. Laboratory glassware items sometimes have plug valves with conically-tapered plugs called stopcocks. When fused with the glassware, the valve bodies are made of glass. Otherwise, they can be made of an inert plastic such as Teflon. The plugs can be made of a similar plastic or glass. When the plug is made of glass, the handle and plug are fused together in one piece out of glass. When glass is used for both the stopcock body and the plug, the contacting surfaces between them are special ground glass surfaces often with stopcock grease in between. Special glass stopcocks are made for vacuum applications, such as in use with vacuum manifolds. They often have hollow plugs and glass tubing for the passageways across the side of the hollow plug. The valve body at the end opposite the handle is closed off, but the hollow plug is open at that end. This way, vacuum in the stopcock keeps the conical plug drawn into the conical seat in the body. Stopcock grease is always used in high vacuum applications to make the stopcock air-tight.
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 EMAIL INQUIRY to  8 suppliers  
Technical Glass Services, Inc. | Address: 108 W. 31st St., Boise, Idaho 83714, USA USA
www.techglass.biz | Send Inquiry | Phone: +1-(208)-426-8775, 800-627-0630
Technical Glass Services, Inc. specializes in custom glassware services. Our product line includes interchangeable adapters, connecting tubes, condensers, flasks, separatory funnels, stirrers, stopcoc more...
 
MicroGroup, Inc. | Address: 7 Industrial Way, Medway, Massachusetts 02053, USA USA
www.microgroup.com | Send Inquiry | Phone: +1-(508)-533-4925
MicroGroup, Inc. is a supplier of precision manufacturing service, stainless steel and nickel alloy tubing, fittings, valves and unique tools. We serve medical, aerospace, commercial, laboratory and i more...
Scientific Machine | Address: 700 Cedar Ave. / PO Box 67, Middlesex, New Jersey 08846, USA USA
www.scimac.com | Send Inquiry | Phone: +1-(732)-356-1553, 800-641-7940
Scientific Machine provides Teflon® laboratory products. Our products include adapters, agitators, high vacuum valves, PTFE stoppers and stopcock plugs. We are a manufacturer of PTFE laboratory ac more...
Clark-Reliance Corporation | Address: 16633 Foltz Pkwy., Strongsville, Ohio 44149, USA USA
www.clark-reliance.com | Phone: +1-(440)-572-1500
Clark-Reliance Corporation offers complete turnkey skidded engineered systems, ASME filtration and separation vessels. We deal with level indication & control, sightflow indication, filtration and sep more...
Smith Brothers (York) Ltd. | Address: Osbaldwick Link Road, Osbaldwick, York, North Yorkshire YO10 3WA, United Kingdom United Kingdom
www.smithbrothersyork.com | Send Inquiry | Phone: +44-(01904)-415222
Smith Brothers (York) Ltd. specializes in offering plumbing and heating supplies. We also provide tiles, flooring, lighting and accessories. We also offer radiators, water treatment and underfloor hea more...
Jain Scientific Glass Works | Address: 2580/29, Gyan Marg, Ambala Cantt, Haryana 133001, India India
www.jsgw.com | Send Inquiry | Phone: +91-(171)-2643090, 2645139
Jain Scientific Glass Works is engaged in supplying laboratory glassware and equipment. We are an ISO-9002 certified company. Our products are used in used in universities, R & D establishments, quali more...
Kaveri Instruments Co. | Address: No.1, Bengali Mohalla, Old Alugodam, Ambala Cantt, Haryana 133001, India India
www.kaveriinstruments.com | Send Inquiry | Phone: +91-(171)-4009971, 2642497
Kaveri Instruments Co. supplies laboratory glassware such as conical flask, culture tube, reagent bottle, beaker, cylinder, burette and funnel. We also offer tripod stand, retort stand, retort ring, u more...
Jashbin Enterprises | Address: 516, Utkarsh Gadh, Rasta Peth, Pune, Maharashtra 411011, India India
www.jashbin.com | Send Inquiry | Phone: +91-(20)-26127851 / 26130331
Jashbin Enterprises is a supplier of laboratory and industrial chemicals, scientific instruments & pharma instruments. Our product line includes weighing balances, plastic labware, microscopes, medica more...
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