Basic Info.
Media
Water, Oil, Gas, Seawater, Food, Steam, Air etc
Function
Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
Sealing Form
Bellows Globe Valve
Application
Industrial Usage, Water Industrial Usage, Household Usage
Flange According
ANSI 125/150
Face to Face
ANSI 125/150
Transport Package
Standard Export Packing
Product Description
Product Description
Silent Check Valve is mainly composed of valve body, valve seat, diversion, yan disc, bearing and spring so on main parts, its internal flow streamline design with low pressure loss.Valve open/close schedule is very short when the pump is going to stop, can be quickly shut down to prevent huge sound of water hammer, has the characteristics of silence shut off. This valve is mainly used for water supply and drainage, fire protection, hvac system can be installed in the pump export put to prevent backflow and water hammer the damage to the pump.
PART NAME | Material |
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BODY | Cast Iron; Ductile Iron; Stainless Steel; Carbon steel |
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DISC / PLATE | Stainless Steel; Carbon steel; Bronze |
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SHAFT / STEM | Stainless Steel Monel; Stainless Steel Inconel |
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SEAT / LINING | NBR/EPDM/VITON |
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BOLTS | Carbon steel |
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NUTS | Stainless steel |
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SPRING | SS304/SS306 |
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Product Parameters
TYPE: | Wafer, double flange |
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SIZE & CONNECTIONS: | DN50 to D600 |
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MEDIUM: | Waste water, Water, seawater… |
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MATERIALS: | Cast Iron / Ductile Iron/ Carbon Steel / Stainless Steel / Alu Bronze |
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PRESSURE RATING: | PN10, PN16 |
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TEMPERATURE: | -30°C to 200°C |
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SEAT/LINING: | Replaceable Liner / Bonded Liner NBR/EPDM/VITON |
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CERTIFICATES & APPROVALS: | DNV-GL, Lloyds, DNV, ABS, BV Type Approval 3.1 & 3.2 Cert (on request) |
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Features
- It can be installed vertically or horizontally, the valve flap is flexible to open and close, and it runs smoothly, with low closing noise, safety, and few faults
- The valve flap is spring loaded, and its rapid closing can effectively reduce the water hammer pressure and the sealing performance is good
- It has small size, light weight, small fluid resistance, fatigue resistance and long service life.
Detailed Photos
Production Process
Packaging & Shipping
Company Profile
Tianjin Tanghaidongyang Valve Co., Ltd. is a professional marine valve manufacturer, including butterfly valve, check valve, gate /Knife gate valve. We have certificates: CE, ISO, BV, DNV foundry and products approval. Now we have our own independent R & D, manufacturing, assembly and warehousing workshops; we have professional pre-sale and after-sale technical support and perfect services.
Certificates & approvals: CE FOUNDRY, CE QUALITY SYSTEM, ISO9001-2015, BV FOUNDRY AND PRODUCTS, DNV BUTTERFLY VALVE, DNV CHECK VALVE, DNV FOUNDRY.
After 15 years of continuous development and innovation, the company now has a group of high-tech engineers, technicians and skilled production workers, advanced production technology, sophisticated manufacturing equipment, complete testing methods, in strict accordance with international standards and quality management system, formed A comprehensive quality control network.
Our products use advanced manufacturing technology, and strictly conform to API, DIN, BS, EN, ISO, GB and other international standards. The main products are butterfly valves, gate valves, check valves, globe valves, valve parts (Valve body, Valve disc, Valve shaft, Valve seat…), etc. Our products are widely used in various fields such as marine industry, shipbuilding, petrochemical, metallurgy, water treatment, fire fighting, water supply and drainage, etc. The company has won unanimous recognition and praise from customers with high quality and good reputation.
We have established long-term and stable business relationships with many multinational companies. Our products are exported to Europe, the United States, Australia, and the Middle East, Southeast Asia and other countries and regions. The quality of our products has been widely recognized by customers, and has been trusted and praised by customers. Gradually we have established a close technical partnership with customers from various countries.
We are committed to "Build a top valve enterprise; Be a reliable partner!"
Friends from all over the world are welcome to visit us for evaluation, guidance, and orders!
Certifications
Address:
Henghua Building, Dagu Soutn Road, Hexi District, Tianjin, China
Business Type:
Manufacturer/Factory
Business Range:
Industrial Equipment & Components
Management System Certification:
ISO 9001
Company Introduction:
Tianjin Tanghai Dongyang Valve Co., Ltd. is one of the most prestigious and largest manufacturers in China. With its own independent research and development facilities, the company′s butterfly valve series, such as lug butterfly valves...., exceed the quality expectations of target customers and obtain the high reputation from the customers. The company manages all manufacturing and assembly work in the workshop, which is also equipped with storage facilities. The above advantages enable us to provide professional quality and complete after-sales and technical support.