Dnv Approved DIN Standard Cast Iron Flange End Type Butterfly Valve with Gear Box

Dnv Approved DIN Standard Cast Iron Flange End Type Butterfly Valve with Gear Box

* Nominal size: 20''
* Pressure rate: 300LB
* Connection Type: Flanged ends
* Design standard: API 609
* End flange dimension: ASME B16.47 series B

Product Details

Our company has very rich practical experience in the field of API 609 Triple Offset Butterfly Valve, Water Butterfly Valve, API 6D Ball Valve, relying on a perfect management system and after-sales service, and strive to make our customers satisfied with our products. It is hoped that we can gradually move towards diversification and group management in the industry and maximize the benefits of scale through the possession of the domestic market and the export of technology and products in the international market. We now have our individual sales group, layout team, technical team, QC crew and package group.

【Company Introduction】:

ZHEJIANG ZHENGFENG VALVE CO.,LTD is one professional Butterfly valve manufacturer in CHINA.Our company is keep innovation, the products are mainly based on ISO, API, ANSI, BS, DIN NF, JIS, GB,  JB and other standard production.The operating temperature -196 degrees C, ~680 degrees. The main materials include 304, 304L, 316, 316L, A105, WCB,Hal alloy, LC2, LC3,LCB, C4, 2520, 2205,  Monel,alloy steel etc..


【Product Details】:

* Size: 20‘’(DN500)

* Class: 300LB

* Connection Type : Double Flange ends

* Operator: Gearbox

* Body: A216-WCB

* Disc:  A351-CF8

* Seal: SS316+Graphite

* Stem: 17-4PH

* Seat: SS316

* Face to face length : 350 mm

* Design standard: API 609

* Color No.: RAL 7040

* Operating Temperature : -29°C~425°C

* Country of origin: CHINA


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【Manufacture Precess】:

Our aim is not to allow defective products to injure our brand.Order production process and effective work is the basis for achieving success.We will use advanced processing equipment,topping test equipment to ensure the stability.Below is our zhengfeng valve production flow:

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With our loaded practical experience and thoughtful solutions, we now have been identified for a trusted provider for numerous intercontinental consumers for Dnv Approved DIN Standard Cast Iron Flange End Type Butterfly Valve with Gear Box. With the tenet of 'rigorous and pragmatic, striving for perfection', we strive to create excellent products to meet the needs of new and old customers and jointly develop a broad market. Our business puts emphasis on the administration, the introduction of talented personnel, as well as the construction of team building, trying hard to further improve the standard and liability consciousness of staff members customers.

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