Ci/Di/Wcb/CF8/CF8m Wafer Butterfly Valve with EPDM/PTFE Seat

Ci/Di/Wcb/CF8/CF8m Wafer Butterfly Valve with EPDM/PTFE Seat

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

Product Details

More than 90% of our Floating Ball Valve, Cryogenic Ball Valve, Lug Type Butterfly Valve are independently developed and produced to meet the requirements of factory direct sales, which can save you costs. After a relatively short period of development, our company's products have covered almost all types and specifications of current industry. We cultivate a consistent work style throughout the world, based on respect and openness towards each individual, both in our clients and in our own organization. We have notable technological innovation capabilities, forming a good basic platform for our enterprise development.

【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.


Being one of the reputed organizations operating in this domain, we are engaged in manufacturing, wholesaling, dealing and supplying a quality range of Ci/Di/Wcb/CF8/CF8m Wafer Butterfly Valve with EPDM/PTFE Seat. We promise to be responsible for friends, customers and all partners. Our items have national accreditation requirements for qualified, high quality goods, affordable value, was welcomed by people today all over the world.

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