Didtek Oil Refinery Carbon Steel Check Valve

Didtek API 6D Full Open Swing Check Valve 

Application & Function:
Didtek Cast steel swing check valve is used to prevent back flow in the line .Flow is in a straight line through the valve resulting in minimal pressure drop . The disc swings into the open position as the media flows through the line .Back pressure in the line holds the disc in the closed position .
Didtek Cast steel swing check valves may be installed in horizontal or vertical lines ,but must be installed in proper relation to the media flow as indicated by the flow direction arrow marked on the body . 

Technical Specification
Brand: DIDTEK
Size Range: 3"
Pressure Rating: ASME CL300
Material: A351 CF3M
Temperature Range: -29°C~200°C
Applicable Standards:
Design: BS1868
Face to face: ASME B16.10
End Flanges: ASME B16.5/ASME B16.47
Butt welded ends: ASME B16.25
Inspection and test: API 598

Other Information:
Valve Test: 100% quality tested before delivery
Valve Guarantee: 18 months after shipments or 12 months after installed
Valve Delivery: 15 - 30 days
Valve Sample: Sample Available by Didtek Valve
Valve Color: Customer request
Valve Packing: Plywood Case for Swing Check Valve
MOQ: 1 Set
Valve Certificate: API 6D,CE1521,PED Model H 2014/68/EU,ISO9001:2008,ISO14001,CU-TR 010/032 ,EAC
Place of Origin: Zhejiang, China (Mainland) 
Delivery Detail: Shipped in 15-30 days after payment
Port: Shanghai Or Ningbo
Payment Terms: L/C,D/A,D/P,T/T, Western Union


 Main Outline Dimensions


FAQ:
1. Are you manufacturer or trading company?
Of course we are manufacturer, Didtek established since 1985 and professional production of industrial valves over 30 years.
2. What is your main products?
Our main products are Ball valve, Butterfly valve, Gate valve, Globe valve, Check, Strainer, other valve, and made by casting or forged material.
3. Is samples available?
Yes, sample order is available for quality check and market test. But it is not free.
4. Do you have any products in stock?
Depends on your request, we have standard models in stock. Some special products and big order will be newly casting according to your order.
5. How do you guarantee the quality of products?
Quality is priority, we always attach the importance to quality control from the beginning to the end of the production.Every product will be fully assembled and carefully tested before painting, packing and shipping.
6. Do you have attended the exhibitions at other countries?
Yes, we attend the Valve Word in Dusseldorf Germany 2 year per time since 2010, and we also attend the PCVexpo in Russia.
7. What advantages do Didtek have compared to other factories?
(1) We can give the quotation within 12 hours and give the technical drawing within 24 hours.
(2) We will take full responsibility for the quality problems of our products.
(3) We have a warehouse in Germany with some stock.
(4) We have agent in Germany, England, Spain and Costa Rica, and our quality is recognized by our customers.
(5) We have a full inspection reports after the products finish production, including the 3.1 Certificate, Dimensions checking, Pressure testing and order information.
(6) We can supply the full rang of the accessories.