D71J double-clip rubber-lined butterfly valve/D671J pneumatic rubber-lined butterfly valve/D971J electric rubber-lined butterfly valve has compact structure, easy 90 degree switching, reliable sealing and long service life. It is widely used in water plants, power plants, steel plants, paper making, chemical industry, diet and other systems for drainage, as adjustment and cut-off. The clamp-type rubber-lined butterfly valve features 1, the valve adopts a double eccentric structure, with the sealing function of tighter and tighter, the sealing performance is reliable. 2. The sealing materials are made of stainless steel and acrylonitrile butadiene acrylonitrile rubber. 3. The rubber sealing ring can be located on the valve body or on the butterfly plate. It can be applied to different media for users to choose. 4. The butterfly plate adopts a frame structure, with high strength, large flow area and small flow resistance. 5. The whole baking paint can effectively prevent rust and can be used in different media as long as the sealing material of the sealing valve seat is changed. 6. The valve has the function of two-way sealing. It is not controlled by the flow direction of the medium and is not affected by the space position. It can be installed in any direction. 7. The rubber lined butterfly valve has unique structure, flexible operation, labor saving and convenience. Sealing material for clip-on rubber-lined butterfly valve applicable temperature suitable medium NR < 85 water, air, acid-base CR < 85 water, gas, acid-base NBR < 100 water, oil EPDM < 120 water, steam, general acid-base FKM < 150 water, steam, strong acid-base type clip-on rubber-lined The main parts of butterfly valve are body cast iron, ductile iron, carbon steel, stainless steel butterfly plate cast iron, ductile iron, carbon steel, stainless steel, carbon steel, carbon steel fully coated rubber or fluoroplastic stem carbon steel nickel-plated phosphorus, stainless steel seat seals NR, neoprene CR, NBR, EPDM, fluororubber FKM worm Testing Lining Layer for Wheel Assembly: EDM Testing and Inspection Pressure: PN (MPa) Body: PN X 1.5 Seal: PN X 1.1 Pair of PN X 1.1 Butterfly Valve Basic Model Manual D71J Semi-Lining Worm Gear Drive D371J Semi-Lining D71J Full Lining D371J Full Lining D71F4 Full Lining D371F4 Full Lining D371F4 Full Lining 1F46 Full Lining D371F46 Full Lining Pneumatic D671J Semi-Lining D971J Semi-Lining D671J Semi-Lining D971J Full Lining D671F4 Full Lining D971F46 Full Lining D671F46 Full Lining D971F46 Full Lining

The best quality, first-class service Qigao creates more value for you!

"Qigao Valve" expects to continuously improve service quality and strive for excellence. "Sincere service" is the eternal theme of "Qigao". "Qigao" strictly followsIS09001-2000 Quality system certification requirements, strict quality control, responsibility to people, to ensure the healthy operation of production, sales and service. Strengthen communication with users and provide quality products to our customers with perfection and perfect service. Hereby our factory makes the following commitments:

Product Standards：

Products in strict accordance with ChinaGB、HG Standard and USAPISuch as standard design, manufacturing, acceptance. The hardness of the sealing surface meets the requirements of the state and the width exceeds the national standard.

pre-sale service：

Product introduction, technical exchange, non-standard product design, troubleshooting。

Sale service：

A trustworthy contract guarantees timely delivery and keeps in touch with customers. For special or duplicate products, our factory arranges technicians to use and troubleshoot the products for users.

After sales service：

1、"Qigao" brand product quality period is from the factory12In the month, the implementation of the "three guarantees" service (return, replacement, warranty).

2、During the use of our products, our factory regularly organizes technical and quality inspection personnel to visit and consult users for feedback on product quality, usage status and improvement opinions, so as to further improve product quality.

3、Respond quickly to the quality of user complaints, after-sales service personnel rushed to the scene in 24-36 hours (48 hours outside the province).

4、For after-sales service, users are required to fill out the quality feedback information form after the service and make an appraisal opinion in order to improve the service quality of Qigao.

1、If the customer has special requirements for the product, the following instructions must be provided in the order contract.：

a、Structure length；

b、Connection Type；

c、Nominal diameter, full diameter, reduced diameter, pipe size;

d、Operating medium and temperature, pressure range；

e、Tests, inspection standards and other requirements

2、The factory can configure various types of driving devices according to customer's specific requirements.。

3、If the type and model of the valve are determined by the customer, the customer shall correctly state the meaning and requirements of the model and sign the contract under the condition that the supplier and the buyer understand each other.

4、For futures and order customers, please call us in advance to tell the required valve model, specification, quantity, delivery time and location, and timely transfer to the factory account according to the total 30% deposit or full payment. The rest of the payment is pending. Import before shipment to arrange delivery in time.

Order Process：

1、Customer purchase list fax to021-33872143，Or call us 021-33872141

2、Receive customer purchase list, provide valve model selection and quotation (price list)。

3、Specific agreement: delivery date, special requirements, etc.。

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Sale service：

Trustworthy contract, guarantee timely delivery, keep in touch with customers at any time。

For special or duplicate products, our factory arranges technicians to use and troubleshoot the products for users.

After sales service：

1、"Qigao" product quality period is from the factory12Month, practice“Three packs”Service (return, replacement, warranty)。

2、During the use of our products, our factory regularly organizes technical and quality inspection personnel to visit and consult users for feedback on product quality, usage status and improvement opinions.，
In order to further improve product quality。

3、Respond quickly to the quality of user complaints, after-sales service personnel24-36Hours (outside the province48Hour) rushed to the scene。

4、For after-sales service, the user is required to fill out the quality feedback information form after the service and make an appraisal opinion in order to improve the service quality of “Qigao”.。