| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Disc: |
Single ,Dual |
| Painting: |
Black,Blue,etc. |
| Spring: |
Ss316,Inconel-750 |
| Connection Form: |
Flange |
| Structure: |
Swing |
| Function: |
Ddcv Double Lobe |
| Application: |
Household Usage |
| Material: |
Cast Aluminium |
| Sealing Form: |
EPDM ,PTFE,Rubber Sealed |
| Flow Direction: |
Stop Flow |
Product Description
Wafer Type Duo-check Valve is to avoid unwanted back flow in a pipe.
Applications:
Water supply systems ( distribution, treatment etc. ), irrigation, heating systems, ship building, industrial processes ( liquids and gases ).
Service Temperature;
EPDM -15 C degree to +120 C degree ( Allowable temperature in continuous use -5~ +100)
NBR -10 C degree to +90 C degree ( Allowable temperature in continuous use 0~ +80)
The Duo-check valve has been designed for installation in flanged piping systems ( PN10, PN16, AS 2129 Table "E" etc. ). Suitable gaskets shall be used for sealing between valve and flanges.
Design:
- The self acting pivoting check valve of the double disc.
- Maintenance free. The design is compact and space saving.
- The superior closing response prior to flow reveal.
- The corrosion resistant springs are designed to quickly close the valve at zero flow to prevent undesirable pressure surges.
In the closed position the valve is tight shut off.
- It opens automatically when the flow starts again.
- The elastomer seat is vulcanized and bonded to the body casting.
- It is out of the flow path thus ensuring extended seal life. Spherical profiling of the seat ensures positive shut-off even at low pressures
And the area adjacent to the seat is also protected by the same elastomer material.
- Attention paid to the streamlining of the flow path is paramount if good flow characteristics are to be achieved.
- The saving of energy costs by selecting a check valve may be several times the initial cost of the valve.
- The use of these design features together with careful material selection makes a product with a high reliability and a low operating costs.
Tianjin Exxon Valve Co., Ltd. Offers several styles of Rubber Lined Concentric Butterfly Valves, Resilient Seated Gate Valves and Soft Seated Dual Plate Check Valves to meet your requirements. We would like to help you choose the correct valve style according to the process conditions and system needs of the valves.
Our company has a comprehensive computer-aided design systems and sophisticated computer numerically equipment in production, processing and testing. We are strictly according to the international quality system standard ISO9001 for production.
We specialize in soft sealed butterfly valves and gate valves of wafer type, flange type and groove type, which are widely applied in petroleum, chemical, natural gas, food, water supply and other industrial areas.
The valves of EXXON are highly appreciated at home and abroad. Even though there is a fierce competition in the market nowadays, EXXON obtains a steady and efficient development being guided by our manage principle, that is, guided by the science & technology, guaranteed by the quality, adhere to sincerity and target at excellent service...
We persist in the pursuit of excellence, strive to build EXXON brand. Great effort will be made to achieve common progress and development with all of you and creating a better future.
