in Stock DN50-DN300 Worm Gear API Valve Ductile Iron Wafer Butterfly Valve

in Stock DN50-DN300 Worm Gear API Valve Ductile Iron Wafer Butterfly Valve

API Butterfly Valve
* Triple offset design
* Laminated stainless steel 316 + graphite layer
* No Need Extended Stem
...

Product Details

We've got quite possibly the most state-of-the-art production gear, experienced and qualified engineers and workers, acknowledged top quality handle systems along with a friendly expert gross sales group pre/after-sales support for Metal To Metal Butterfly Valve, DI Butterfly Valve, Flange Type Butterfly Valve. In the past years, our company has made continuous development and improvement in R&D, technology, experience, equipment and other aspects. The principle of 'quality leadership' runs through the whole business chain of product development, production, sales and after-sales service. We have gone through ups and downs on our way forward, and share the joys and sorrows and work tenaciously with all employees and partners.

Product Description

The API Butterfly Valve consists primarily of the valve body, stem, disc and seal. The valve body has a cylindrical shape with a short axial length and a built-in disc.

The valves we supply are designed and manufactured according to API609 and tested and inspected for connection dimensions in accordance with API 598, in accordance with ASME B16.5. Other manufacturing features are as follows:

* Full LUG ends

* Gear box with reducer

* Torque 3680/N.m

* Triple offset design

* Laminated stainless steel 316 + graphite layer

* No Need Extended Stem

* Suitable Temperature : -29℃ ~ 325℃

* Pressure rate < 5.0Mpa

* Suitable service : Acid corrosive service suitable

* Provide Matching Flanges and bolts

* Material : Body A351 CF8, disc A351 CF8, disc seal SS316+gra. , stem A182 F304.

* Standard : Design and manufacture API 609, F-F dimension API 609, end flanges dimension ANSI B16.5, test & inspection as API 598


Product Characteristics

1. API Butterfly Valve has the characteristics of simple structure, small size, light weight, low material consumption, small installation size, quick switch, 90° reciprocating rotation and small driving torque. It is used for cutting, connecting and adjusting the pipeline. Medium with good fluid control and closed sealing properties.

2. The API Butterfly Valve can transport the mud and accumulate the least amount of liquid at the pipe mouth. A good seal can be achieved at low pressure. The adjustment performance is good.

3, the streamlined design of the butterfly plate, the fluid resistance loss is small, can be described as an energy-saving product.

4. The valve stem is a through-rod structure. After quenching and tempering treatment, it has good comprehensive mechanical properties, corrosion resistance and scratch resistance. When the butterfly valve is opened and closed, the valve stem only rotates and does not perform lifting operation. The packing of the valve stem is not easy to be broken and the sealing is reliable. It is fixed with the cone pin of the butterfly plate, and the overhanging end is designed to prevent the punch-out type, so as to prevent the valve stem from collapsing when the valve stem and the butterfly plate are accidentally broken.

5. Connection methods include flange connection, clamp connection, butt weld connection and lug-to-clip connection.


The hydraulic test shall be carried out in accordance with the standards:

- Shell strength test, applying pressure 1.5 times as design pressure

- High pressure hydraulic seal test, applying 1.1 times design pressure

- Low pressure air test, applying a pressure of 0.6 MPa.

Taking the 300LB valve as an example, the pressure rate is as follows:

*Shell strength test, 7.5Mpa;

* High pressure water seal test, 5.5Mpa;

* Low pressure air test, 0.6Mpa.

We adhere to the tenet of 'Science and technology as the guide, quality for survival, management for development', and strive to provide customers with high-quality in Stock DN50-DN300 Worm Gear API Valve Ductile Iron Wafer Butterfly Valve solutions. We would like to share our experience with friends at home and abroad, as a way to create a bigger cake with our joint efforts. The strength of corporate marketing is directly related to the survival and development of the company. We have established a global marketing network platform to serve our customers.

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