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Build Your Online Product Catalogs?
| Product Name: |
Forged steel trunnion mounted ball valve
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| Supply Ability: |
5000 pcs |
| Related proudcts |
high quality valve, good ball valve, best price valve, |
| Specifications |
2"-60" |
| Price Term: |
FOB,CIF,etc |
| Port of loading: |
SHANGHAI |
| Minimum Order |
1pcs |
| Unit Price: |
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1.Seal Feature
CT Valve 's ball valves are produced with spring-loaded seats. This spring load keeps the seat in contact with the ball even in absence of line pressure and makes very efficient seal atlow line pressure. As line pressure increases,the seat area creates a piston effect which forces.the seat against the ball, therefore a tight seal becomes effective. If the pressure is higher,the force exerted by the seat on the ball is.increased by action
of the pipeline pressure. Therefore, the higher the line pressure, the greater the piston action.Seats are available in PTFE, R-PTFE, NYLON or others.
2.Self Lubrication
Self lubrication, low friction PTFE is used for stem bearings,stem seals,
and body seats. NYLON or other low friction materials are used for seat inserts. Self lubricating seals and stem bearing give predictable operating torque for the life of the valve.
3. Fire Safe Construction with Secondary Metal SeatCT Valve¡¯s ball valves have been fire tested and can be supplied to API RP6F and API 607. The soft seat inserts, irrespective of their materials, will possibly fail when subjected to sudden high
temperature conditions. We provide fire-safe design which may substantially prevent leakages through seals when damaged by high temperature. The function of the seats before and after the fire test is shown on the sketches. If the seat inserts are destroyed or burned out, a metal to metal seal is formed between the lower diameter of the seat and ball, while the seat to body seals, the stem packing and the end connections to body seals are designed to resist high temperature and will remain undamaged.
4.Trunnion Mounting
Trunnion mounted stems absorb the thrust from line pressure, preventing excess friction between the ball and seats, so even at full rated working pressure, operating torque stays low.
5.Body Vent and DrainThe body cavity may be vented in both open and closed state.
6.Double Block and Bleed
The seats are of both-side-sealing type, which means that they seal both on the upstre |
| Company: |
Zhejiang Zhongcheng Valve Co.,ltd
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| Contact: |
Ms. Kelly Zhang |
| Address: |
Anfeng Ind, Oubei Town |
| Postcode: |
325100 |
| Tel: |
86-577-67331552 |
| Fax: |
86-577-67986806 |
| E-mail: |
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