Total Engineering
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http://www.totalvalves.co.kr

Lung Yun Casting Co., Ltd.
Lung Yun Casting Co., Ltd. V A Ball Valves,Gate Valves,Globe Valves,Check Valves ,Sanitary Fittings,Flanges,Casting Parts,Trailer Parts,Pipe Fittings Manufacturers and Suppliers from Taiwan, China and Worldwide.
http://www.lungyun.com.tw/

Daniel Valve Company
Provides slab and expanding pipeline gate, axial and rotary control, piston, swing and wafer check valves.
http://www.danielvalve.com/

Bergner Metalurgica
Manufacturer of compressor (piston type) spare parts: Valves, piston rod packings, scraper rings, PTFE piston rings, for Ateliers Francois, ABC, Belliss and Morcom and other compressors.
http://www.bergner.com.ar/

Hemiwedge Valve
Texas based company offering Hemiwedge Cartridge Valve technology, for applications in emergency shutdown, severe service, critical service, and others. Metal seated & resilient seals available.
http://www.hemiwedge.com/

Tang Shan Hong Yuan Valve Industry Co.
manufacturer of wafer butterfly valve,lug butterfly valve,wafer check valve,balancing valve,swing check valve,Y Strainer,lift check valve,smolensky check valve,pump part,pipe fittings,casting parts,supplier,manufacturer,made-in-china
http://www.hyvp.com

Check-All Valve Mfg. Co.
Check-All / Check-All Valve Manufacturer of high quality in-line, silent, spring-loaded, piston-type check valves, vacuum breaker, and pressure relief valves.
http://www.checkall.com

Burckhardt Compression
Burckhardt Compression - Your partner for reciprocating compressors: labyrinth piston compressors, process gas compressors (API618), hyper compressors, quality compressor components, condition monitoring and all services.
http://www.burckhardtcompression.com

Tri-State Valve & Instrument Co.
Specialist pressure relief valves control valve suppliers. Regulators. Valve automation. Factory authorized ASME assembler for 'Farris Engineering' and 'Spence' brands.
http://www.tvimem.com/

Orbiting Piston
Patented, innovative rotary internal combustion engine which orbits instead of rotates and has piston like chamber action. Includes theoretical and technical background, specifications, diagrams and patent.
http://home.woh.rr.com/opengine