Stainless Steel 304 Double Eccentric Dn200 Metal Seat Flange End Butterfly Valve

Stainless Steel 304 Double Eccentric Dn200 Metal Seat Flange End Butterfly Valve

ZFVALVES Butterfly Valve the sealing ring is a composite structure of flexible graphite plate and stainless steel plate. It is mounted on the valve body and the sealing surface of the butterfly plate is welded with stainless steel

Product Details

We know that we only thrive if we can guarantee our combined price tag competiveness and top quality advantageous at the same time for Triple Eccentric Butterfly Valve, Lug Triple Offset Butterfly Valve, Pneumatic Ball Valve. We have always been strict with ourselves, and have been serving every customer with the concept of 'creating first and striving for excellence'. We cultivate employees' sense of belonging and ownership of the company, and form a community of destiny between the company and employees, and companies and distributors. We provide novel products that meet consumer needs at reasonable prices. Unqualified products are determined not to leave the factory to ensure a 100% pass rate in our factory.

【Product Introduction】:

We ZFVALVES is a professional manufacturer of Double Flange Butterfly Valve. ZFVALVES offers a wide range of standard valves to meet the needs of customers around the world, including: API609 / ANSI / ASTM standards, AWWA / AWWA C207 standards, EN593 / DIN / BS standards, ISO standards, JIS / JIS B2220 standards, GOST / GOST 54432 standards Wait.


【Product Information】:

* Nominal Diameter : DN300

* Pressure : PN16

* Connection Type : Double Flange ends

* Body: A351 CF8

* Disc: A351 CF8M

* Seal: SS316+Graphite.

* Seat:Stainless steel Integral seat

* Stem: A182 F304

* Operation Way: Gearbox

* F/F length : 178mm

* Material Heat Treatment : Solution treatment.

* Need Extended Stem : No

* Suitable Temperature : -29°C ~ 425°C

* Suitale Pressure : PN ≤ 16Bar

* Suitable service : W.O.G. Acid. Corrosive service .

* Function : Shutoff & regulation

* Design and manufacture as per: EN 593

* Face to face dimension as per: EN 558

* End flanges dimension as per: EN1092-1

* Test & inspection as per: EN12266-1

* Supplying Mode : OEM production & ZFV brand .

Please contact us for detailed data


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【ZFVALVES Pressure Test Requirements】:

 1. Prior to shell testing, the valve shall not be painted or coated with other coatings that mask surface defects (phosphorization or similar chemical treatment is allowed to protect the valve surface prior to testing, but voids, pores and blisters should not be hidden, etc. Defect)

 2. When performing the sealing test, no external force should be applied to both ends of the valve, which will affect the leakage of the sealing surface. 

 3. For the visible leakage of the valve pressure test, the housing grinding and upper sealing tests are not allowed. If the test medium is a liquid, there should be no visible droplets or surface moisture. If the test medium is air or other gas, there should be no air bubble leakage.

 4. For low pressure seal testing of valve pressure test, visible leaks are not allowed to pass through the valve identification, the contact surface between the valve seat and the valve body, and there is no structural damage. Reference Standard API 598 Test Test Allowable Test Medium Leakage Rate Through Sealing Surface Duration.

We ensure that every outgoing valve is strictly inspected


We'll make every effort and hard work to be superb and excellent, and speed up our steps for standing inside the rank of intercontinental top-grade and high-tech enterprises for Stainless Steel 304 Double Eccentric Dn200 Metal Seat Flange End Butterfly Valve. Improving the management level and after-sales service system is the consistent insistence of our company. We believe in quality over quantity.

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