Stainless Steel Sanitary Big Size Butterfly Valve (JN-BV1007)

Stainless Steel Sanitary Big Size Butterfly Valve (JN-BV1007)

Big size butterfly valve is light in weight, low in material consumption, small in installation size, easy to operate and quick, and it also has good function of flow adjustment and close zero leakage.

Product Details

To be a result of ours specialty and service consciousness, our company has won a superb reputation between customers all around the environment for DIN Butterfly Valve, Rubber Lined Butterfly Valve, Wafer Type Butterfly Valve. In line with the purpose of scientific and technological innovation, focusing on products, applying to life and serving the society wholeheartedly, the company integrates research and development, production and sales with our leading technical level in the industry. We continuously interpret the meaning of product quality with wisdom, confidence and credibility to push forward our company. Quality First, and Customer Supreme is our guideline to provide the best service to our customers. We provide you with high-quality and considerate service, make progress hand in hand with customers, and strive to realize the enterprise dream of 'quality creates legend, integrity makes future'!

【Product Introduction】:

ZFVALVES Big size butterfly valves are exported to Europe, Africa, Asia and other countries,it is widely used not only in petroleum, gas, chemical industry, water treatment and other general industries, but also in the cooling water system of thermal power stations.

In the foreseeable short time, especially in the use of large and medium-sized diameter, low pressure field, butterfly valve will become the dominant valve form.


【Product Parameter】:

* Nominal Diameter: 44 inch

* Pressure Rate: Class 150

* Connection: Double LUG ends type

* Structure: Triple offset desgin

* Body: WCB

* Disc: WCB

* Stem: AISI420

* Seal: Laminated stainless steel 304 + Graphite

* F/F Dimension: 230mm 

* Prime Coating: Color Black

* Coating RAL NO.: RAL5005

* Using Temperature: -29°C ~ 425°C 

* End flanges dimension: ASME B16.47 Series B

* Wenzhou city , ZJ province, China


5-25-4


【Big Size Butterfly Valve Feature】:

1. The disc of the valves is installed in the diameter direction of the pipe.

2. The sealed surface is made of hard alloy of cobalt by overlaying welding. Through thermal treatment, the hardness of disc in improved

3. Big Size Butterfly Valve has casting valve body, face-to-face size conforms to ISO5752, ASME B16.10, API609. 

4. Elastic property of composite metal sealing ring performs zero leakage.

5. Explosion-proof rod design is safe and reliable, fully meet the requirements of API609.

6. The valve position indicator on the rod and top mounting flange facilitates the disc position indication.


【Attention for seat surfacing】:

In the generation and application of butterfly valve are indispensable to the use of welding technology, the butterfly valve seat needs surfacing welding, then when welding we should pay attention to what? The following free from the professional production of big size butterfly valve zfvalves sorting release and hope to help with you:

* VT (visual inspection) is usually used to check for obvious welding defects, such as cracks, edging, molding defects, burn-through, spatter, etc

* When the sealing surface is finished, it is usually checked for cracks by PT according to the customer's requirements,

* The hardness of sealing surface should be tested after surfacing.

* Common surfacing materials:1CR13、2CR13、Stellite6、Stellite21、Stllite12、Cobalt-base alloy、Monel...

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Looking forward to the future, we will continue to gather elites, integrate industry resources, create a corporate image of 'integrity, standardization, stability, and strength', and lead the development of the Stainless Steel Sanitary Big Size Butterfly Valve (JN-BV1007) industry. We hope we can provide a safe, environmental products and super service to our clients from all of the world and establish strategic partnership with them by our professional standards and unremitting efforts. While fully expanding the market, we will continue to devote ourselves to the improvement of the overall quality of the company.

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