4 Inch Wafer Type Butterfly Valve for Water Flow Control

4 Inch Wafer Type Butterfly Valve for Water Flow Control

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

Product Details

With our unremitting pursuit of pneumatic butterfly valve, ball valve motorized, reduce port ball valve details and perfection, we have been widely praised by customers and won wide trust from all walks of life. We have become one of the most trustworthy brands of industry users. Carry on to further improve, to guarantee merchandise high-quality in line with market and buyer standard necessities. Our company introduces advanced production equipment at home and abroad, adopts the latest technology and concept, and also has a group of senior staff with rich professional knowledge and many years of production, so that the products are constantly improving and always in the leading position in the industry.

【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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We insist on proceeding from reality, studying the market trend down-to-earth, and focusing on the quality of 4 Inch Wafer Type Butterfly Valve for Water Flow Control. In order to promote our initiatives to strengthen the foundation of corporate social responsibility, we actively cooperate with outstanding companies around the world. As for competitive selling prices, we believe that you will be searching far and wide for anything that can beat us.
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