Ductile Iron CF8 Di Ci EPDM PTFE Strong Acid Lever Opreated Wafer Lug Butterfly Valve Plastic Ball Valve Knife Gate Valve

Ductile Iron CF8 Di Ci EPDM PTFE Strong Acid Lever Opreated Wafer Lug Butterfly Valve Plastic Ball Valve Knife Gate Valve

* Size : DN900
* Pressure : PN10
* Connection Type : Double Flange ends
* Rubber Liner type
* Water、Sea water application

Product Details

We use superb production technology, advanced testing equipment, perfect scientific management system, and fast logistics to continue to improve customer satisfaction with our Stainless Steel Ball Valve, High Temperature Butterfly Valve, DI Butterfly Valve. We are specialized in producing. Our company has been praised by customers for its outstanding strength, excellent quality, reasonable price, and perfect service. We have maintained a good relationship with many merchants, and our business is all over the world.

【Main Introduction

Rubber Seated Butterfly Valve is a valve made of Ductile Iron.This type of valve is easy to install and maintain. It has no restrictions on the mounting direction and can be installed in any direction on the pipe.Is one of the major exports of zhengfeng valves. The main design standards by API609、EN593、GB/T 12238、AWWA C504...The products are mainly used in wastewater, seawater, waste gas, sewage and so on.


Products Information

* Nominal Diameter  : DN900                                                            * Pressure : PN10

* Connection Way : Flange ends                                                       * Operation : Free shaft for mounting Actuator

* F/F length : 337mm                                                                         * Painting Color : Gray

* Valve Structure : Rubber seated concentric struction                     * Seat Structure : NBR lined

* Suitable Temperature : -29°C ~ 110°C                                            * Suitale Pressure : PN≤10Bar

* Provide Matching Flanges and bolts : Yes                                      * Function : Throttle

* Body : Ductile Iron                                                                           * Disc : A351-CF8M

* Seat : Material NBR                                                                        * Stem : AISI410

* Manufacture standard : EN 593                                                      * End flanges dimension :EN 1092-1


微信图片_20191102135208QQ图片20191102171935


Material Characteristics

DI Butterfly Valve material has two kinds of iron: cast iron and ductile iron

Ductile iron has a strength advantage over cast iron. Ductile iron has a tensile strength of 60K, while cast iron has a tensile strength of only 31K. Ductile iron has a yield strength of 40K, while cast iron has no yield strength and eventual fracture. Strength Ductile Iron - The cost ratio is far superior to cast iron.

In most applications, such as water, brine, steam, etc., ductile iron is superior to steel in corrosion resistance and oxidation resistance. Due to the microscopic structure of ductile iron, the anti-vibration performance is weakened and the toughness is superior to steel, so it is more conducive to reducing the pressure.


From raw materials to finished products, we manufacture our Ductile Iron CF8 Di Ci EPDM PTFE Strong Acid Lever Opreated Wafer Lug Butterfly Valve Plastic Ball Valve Knife Gate Valve with advanced production capacity, and you can buy and use it with confidence. We meet the all-round needs of our customers with reasonable prices, good services, and high-quality products. We have reached a long-term cooperative relationship with many companies and gained a good reputation in the industry. We look forward to your coming, let us create success together! Our company may be lost occasionally, but we will never act behind closed doors.

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