Long Service
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 GOLDEN JUBILEE + DIAMOND JUBILEE + FIRE SERVICE LONG SERVICE MEDAL RIBBON BAR $10.96 Time Remaining: 4d 6h 29m Buy It Now for only: $10.96 |
 LONG BEACH NAVAL SHIPYARD Commemorative Plaque Service Group 970 $19.41 Time Remaining: 8h 20m |
 BRITISH ARMY LONG SERVICE GOOD CONDUCT RIBBON BROOCH $6.26 (1 Bid) Time Remaining: 9h 44m |
 ROYAL NAVY LONG SERVICE GOOD CONDUCT RIBBON BROOCH $6.26 Time Remaining: 10h 8m |
 WW2 GEORGE VI ARMY LONG SERVICE AND GOOD CONDUCT MEDAL $29.01 Time Remaining: 26d 11h 13m Buy It Now for only: $29.01 |
 ROYAL AIR FORCE LONG SERVICE GOOD CONDUCT RIBBON BROOCH $6.26 Time Remaining: 10h 9m |
 QE2 REGULAR ARMY LONG SERVICE GOOD CONDUCT LSGC MEDAL $15.67 (1 Bid) Time Remaining: 10h 35m |
 b0667 1 WWII USMC Winter Long Service Stripes 4 year Pr green on red wool $17.00 Time Remaining: 1d 10h 58m Buy It Now for only: $17.00 |
 ROYAL AIR FORCE LONG SERVICE GOOD CONDUCT LSGC MEDAL $15.67 Time Remaining: 10h 35m |
 WW1 ROYAL NAVY MARINES LONG SERVICE LSGC COPY MEDAL $15.67 Time Remaining: 11h 2m |
 NEW MEXICO NATIONAL GUARD LONG SERVICE MEDAL $24.95 Time Remaining: 17d 15h 52m Buy It Now for only: $24.95 |
 GREECE 3 MEDALS of GEORGE II for LONG SERVICE and GOOD CONDUCT for ARMY $50.00 Time Remaining: 11h 15m |
 Nepal Military Long Service and Good Conduct Medal Sainik Seva Padak $30.00 Time Remaining: 1d 6h 4m |
 Russian Soviet Army 4 medal set For Long Service 10 15 20 25 years order $59.99 Time Remaining: 24d 11h 6m Buy It Now for only: $59.99 |
 10 Year Long Service Medal Institute of Traffic Officers South Africa Scarce $18.00 Time Remaining: 1d 6h 14m |
 China Republic Taiwan Constabulary Long Service Medal First Class Cased $40.00 Time Remaining: 1d 7h 9m |
 British Medal Elizabeth II Royal Navy Long Service Good Conduct MINIATURE $6.99 Time Remaining: 11d 18h 11m Buy It Now for only: $6.99 |
 BELGIUM CIVIL MEDAL DECORATION FOR LONG SERVICE $12.53 Time Remaining: 1d 7h 13m |
 WWII MINIATURE 7 BAR MEDAL GROUP AS WORN INCLUDES LONG SERVICE INDIA 10C $37.64 (4 Bids) Time Remaining: 1d 9h 44m |
 Royal Licence for Long Service of 25 Years in the State medal 1935 Romania $69.99 Time Remaining: 25d 10h 34m Buy It Now for only: $69.99 |
 1957 Army Long Service Medal 25 Years $22.00 Time Remaining: 2d 1h 1m |
 ROYAL AIR FORCE Long Service Good Conduct Miniature $18.00 Time Remaining: 2d 8h 17m |
 BELGIUM MEDAL MILITARY DECORATION FOR LONG SERVICE 2ND CLASS $29.99 Time Remaining: 2d 14h 13m Buy It Now for only: $29.99 |
 Great Britain Pin Back Medal Metropolitan Special Constabulary Long Service 1914 $47.05 Time Remaining: 2d 9h 21m |
 Belgium WW2 1939 1940 War Cross Army Military Long Service 15 years for NCOs $35.00 Time Remaining: 2d 9h 58m Buy It Now for only: $39.00 |
 US Border Patrol Long Service Medal ribbon $3.95 Time Remaining: 4d 15h 22m Buy It Now for only: $3.95 |
 1920 Trans Jordan Long and Faithful Service Medal King Abdullah 1 AH1339 MINT $69.99 Time Remaining: 2d 10h 7m |
 BRITISH VICTORIAN VOLUNTEER FORCE LONG SERVICE MEDAL $62.73 (1 Bid) Time Remaining: 2d 10h 12m |
 Germany WWI Prussian Army Military Officer 25 Year Long Service Medal $9.99 Time Remaining: 2d 10h 27m |
 Police Long Service Good Conduct Golden Jubilee Diamond Jubilee Medals $125.38 Time Remaining: 10d 7h 51m Buy It Now for only: $125.38 |
 GERMAN Prussian Long Service Clasp 2nd Class 15yrs $7.83 Time Remaining: 2d 10h 31m |
 Long Service Good Conduct Medal Royal Navy E2 POSM HMS Knaresborough Castle $105.07 (6 Bids) Time Remaining: 2d 10h 44m |
 6 RIBBON FIRE SERVICE LONG SERVICE MEDAL FULLSIZE $3.92 Time Remaining: 14d 14h 38m Buy It Now for only: $3.92 |
 Long Service Good Conduct Medal Royal Navy GVI HMS Eland Freetown Sierra Leone $114.48 (12 Bids) Time Remaining: 2d 11h |
 Imperial German Prussian Army Long Service medal for 9 years service $5.49 (4 Bids) Time Remaining: 2d 11h 2m |
 TROUSERS MENS POLY WOOL US ARMY GREEN CLASS A B DRESS SERVICE UNIFORM 44L LONG $15.99 Time Remaining: 3d 16h 7m Buy It Now for only: $15.99 |
 Salvation Army Service Medal For Long and Faithful Service Commandant 1899 $89.00 (9 Bids) Time Remaining: 2d 11h 31m |
 VICTORIAN LONG SERVICE GOOD CONDUCT MEDAL163 FARR SERGT J W GRAHAM 6th B RA $112.91 (6 Bids) Time Remaining: 2d 11h 36m |
 Hungary Long service cross medal officers 3rd class $39.00 Time Remaining: 14d 10h 33m Buy It Now for only: $39.00 |
 Indian Army Genuin 30 year long service Medal UnNamed FREE shipping $1.63 (2 Bids) Time Remaining: 2d 11h 37m |
 Rare Indian Army 20 Years Long Service Named Indian Medal FREE shipping $3.45 (3 Bids) Time Remaining: 2d 11h 39m |
 USMC KHAKI DRESS UNIFORM SERVICE LONG SLEAVE SHIRT SIZE SMALL $12.99 Time Remaining: 27d 16h 19m Buy It Now for only: $12.99 |
 Queen Elizabeth II Regular Army Miniature Medal Long Service Good Conduct $1.55 Time Remaining: 2d 11h 58m |
 WW1 Prussian 12 Year Military Long Service Medal $19.59 (1 Bid) Time Remaining: 2d 12h 1m |
 b0668 1 WWII USMC Summer Long Service Stripes 4 year Pr green woolon Khaki $17.00 Time Remaining: 1d 11h 32m Buy It Now for only: $17.00 |
 Rare Indian Army 9 Years Long Service Named Medal with Ribbon FREE shipping $1.63 (2 Bids) Time Remaining: 2d 12h 5m |
 Rare Indian Army 9 Years Long Service UnNamed Medal with Ribbon FREE PP $1.63 (2 Bids) Time Remaining: 2d 12h 7m |
 USAF Air Force Overseas Service Long Tour Ribbon bar $2.79 Time Remaining: 26d 15h 14m Buy It Now for only: $2.79 |
 WWII Hungarian soldiers Long Service cross 2nd class $26.99 Time Remaining: 2d 13h 8m |
 PRUSSIA Long Service Award for Non Commissioned Officers III class for 9 years $29.00 Time Remaining: 2d 13h 8m |
 New US Navy Khaki Long Sleeve Service Shirt Size 16 1 2 x 36 Made In The USA $21.95 Time Remaining: 18d 8h 18m Buy It Now for only: $21.95 |
 Hungarian Officers Long Service Cross 2nd class $19.99 Time Remaining: 2d 13h 13m |
 Named EIIR SPECIAL CONSTABULARY LONG SERVICE MEDAL $20.00 Time Remaining: 2d 13h 41m |
 ITALY WW1 ITALIAN OFFICERS LONG SERVICE CROSS 25 YEARS $25.00 Time Remaining: 2d 17h 12m |
 GSM + GOLDEN JUBILEE + DIAMOND JUBILEE + FIRE LONG SERVICE MEDAL RIBBON BAR $13.33 Time Remaining: 4d 6h 32m Buy It Now for only: $13.33 |
 Huge Named Group Medals Dieppe Bar Tunic Pants Visor Boots Long Service $1,247.00 (10 Bids) Time Remaining: 3d 9h 20m |
 1920 Trans Jordan Long and Faithful Service Medal King Abdullah 1 AH 1339 MINT $69.99 Time Remaining: 3d 10h 37m |
 Hungary Long service cross medal NCOs 3rd class $35.00 Time Remaining: 14d 10h 22m Buy It Now for only: $35.00 |
 WWII RAF Royal Air Force RAF Long Service Good Conduct Medals Medal Group $119.99 Time Remaining: 3d 11h 41m |
 British Army Colonial Auxiliary Forces Long Service Medal Empire $15.68 Time Remaining: 3d 12h 54m |
 US AIR FORCE OVERSEAS SERVICE LONG TOUR RIBBON $1.49 Time Remaining: 3d 8h 49m Buy It Now for only: $1.49 |
 India Armed Forces Long Service Medal for Nine Years Service Named $30.00 Time Remaining: 3d 13h 8m |
 UNKNOWN British Medal Ribbon Long Service and Good Conduct LSGC c 13 inches $0.02 (1 Bid) Time Remaining: 3d 17h 36m |
 6 of Naval Long Service Medal Ribbon $2.00 Time Remaining: 18d 14h 45m Buy It Now for only: $2.00 |
 Original WWII EM USMC NOS Service shirt rare 17 1 2X36 size XL Long $49.95 Time Remaining: 3d 17h 52m |
 British Miniature Medal Long Service Medal In Territorial Army ER II $4.99 Time Remaining: 4d 5h 56m |
 Original US Air Force Reserve 10 Year Long Service Medal $19.99 Time Remaining: 2d 4h 36m Buy It Now for only: $19.99 |
 Hungary Officers Long Service cross medal Case of Issue $69.00 Time Remaining: 4d 8h 55m |
 Long Service Good Conduct Medal Terrific Replacement Medal MINT $23.48 Time Remaining: 4d 9h 57m |
 WW1 RNAS Long Service Medal Box $100.00 Time Remaining: 27d 21h 15m Buy It Now for only: $100.00 |
 SECOND WORLD WAR LONG SERVICE CIVIL DEFENCE MINIATURE MEDAL GROUP $7.21 (3 Bids) Time Remaining: 4d 10h 50m |
 SPECIAL CONSTABULARY LONG SERVICE MEDAL MINIATURE $1.55 (1 Bid) Time Remaining: 4d 11h 6m |
 Replica copy GVI Army Long Service Good Conduct Medal $18.82 Time Remaining: 23d 2h 39m Buy It Now for only: $18.82 |
 1950s 60s US Army Washington 10 Yr Ohio 20 Yr Long Service Bar Set x2 $4.99 Time Remaining: 4d 17h 40m |
 1950s 60s US Army Colorado Long Service National Guard Ribbon Bar $4.99 Time Remaining: 4d 17h 41m |
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New Long Life Ceramic Valves Superior Performance
At present the production of various industries in China commonly used in the valve metal valve, metal valve used have had a hundred years, during which although Ye Jing Guo structure and material improvements but Shou Jin Shu Cai Liao own conditions restrictions, an increasing can not adapt to high wear, high corrosion bad condition, needs. Mainly in short service life, greatly affected the disclosure of a serious system stability. Traditional metal valves needed from materials, design and manufacturing processes, etc. overhaul. Advanced ceramic materials as the twenty-first century, new materials, has been more and more valued by scientists, it is a bold used in industrial valves and useful innovation.
Deformation of ceramic materials is very small, much higher than the metal with a combination of strength, generally composed of ceramic materials under the crystal ionic radius and ion price high, a large coordination number, the nature of tensile strength of ceramic materials , compressive strength, elastic modulus, hardness and so very high. Ceramic itself, however, the "brittle" and difficult to machine limits its scope of application of the last decade, due to martensitic transformation toughening technology, composite materials and nano-ceramic Branch Technical development of the concept and progress has been made ceramics " brittle, "has been greatly improved, its toughness and strength has been greatly improved, ever-expanding range of applications.In recent years, new ceramic materials in petroleum, chemical, mechanical, and other fields is very active, using ceramic wear resistance, corrosion resistance and production of wear parts to replace metal materials corrosion is an important market in recent years high-tech materials development directions.
Ceramic Application Process Required to Address the Following Key Issues:
To solve the problem of brittle ceramics, ceramic toughness increase; control shrinkage, increase the rate of ceramic materials fired products; developed high-temperature kiln; developed ceramic processing equipment; achieve ceramic pieces and metal body with precision. Tianjin Shengkai Industrial Technology Development Co., Ltd. on the above key issues, conducted research, and resolved. After the test batch production, in electricity, metallurgy, chemical manufacturers and other industries widely on the application. Ceramic valve with great social and economic benefits:
1. New ceramic structure using high-tech materials and vulnerable parts of the valve sealing components, valve products increased wear resistance, corrosion protection and sealing, greatly extended the life of the valve.
2. The use of ceramic valve can replace a large number of lower valve repair, improve equipment operation supporting system security, stability, reduce labor intensity, saving equipment repair costs.3. Ceramic valves can increase the tightness of industrial piping systems, while able to prevent disclosure of the maximum of environmental protection will play a positive role in pushing forward.4. Wide range of manufacturers of ceramic raw materials, low cost of aluminum, carbon, silicon and other common factors can not create superior performance ceramic materials, can save a lot of metal materials and scarce mineral resources.
Wear-resistant ceramic valves are mainly used in electric power, petroleum, chemical, metallurgy, mining, sewage treatment and other industrial fields, especially in the face of high wear, high corrosion, high temperature, high pressure and other adverse conditions, but also demonstrated its superior performance. It can meet the high wear and tear, the use of highly corrosive environment, in particular outstanding feature is the long service life, its cost performance is far better than other similar metal valve. With the continuous development of science and technology and progress of, ceramic materials from the formulation, molding, machining and assembly process and other aspects of the technology become more mature and complete, its outstanding performance ceramic valve increasingly recognized by the industry. Using the successful experience of manufacturing ceramic valves can also be applied to a wider range of engineering fields.
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Long Service Awards: Term of Service 1