Plastic PVC Big Size Irrigation System Dripper Water Flow Control Liquid Butterfly Valve

Plastic PVC Big Size Irrigation System Dripper Water Flow Control Liquid Butterfly Valve

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

As one of the best suppliers of Class 150 Triple Offset Butterfly Valve, Bidirectional Triple Offset Butterfly Valve, Pneumatic Ball Valve, we have a significant market share and we are proud to be ahead of the pack in the industry. With our solid capital and technical strength, our research and development and manufacturing capabilities have reached the international advanced level. Honesty, service first, steady operation, pragmatic innovation is our company's enterprise tenet and we sincerely hope to cooperate with domestic and foreign merchants for mutual benefit. We are looking forward to building positive and beneficial links with the companies around the world.

【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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Being one of the reputed organizations operating in this domain, we are engaged in manufacturing, wholesaling, dealing and supplying a quality range of Plastic PVC Big Size Irrigation System Dripper Water Flow Control Liquid Butterfly Valve. On the one hand, high-efficiency product development can bring significant economic benefits to enterprises. They're about to make it possible for you to get complete acknowledge about our things and make a satisfied negotiation.

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