RF Stainless Steel Butterfly Type Ball Valve Flow Control
* Nominal size: 20''
* Pressure rate: 300LB
* Connection Type: Flanged ends
* Design standard: API 609
* End flange dimension: ASME B16.47 series B
We can provide the most economical and most cost effective air operated ball valve, lug body butterfly valve, cold water ball valve according to the actual needs of customers. With constant efforts of all staffs, our products have been sold well in domestic market and exported to many countries in the world. From raw materials to finished products to after-sales service, we have established a rigorous management system for every process and every link, and strictly control the quality of our products. We will, as always, abide by the policy and promise of 'Insist on technological innovation and implement brand strategy', and look forward to friends from all walks of life to visit us and cooperate sincerely! We are committed to maintaining the company's good reputation and corporate image, and fully embodying the true value of the industry's leading enterprises. Abiding by the management policy of being market oriented, promoting development with new products and seeking existence with quality, our company will continue to improve the product quality, so as to provide top grade products and the best service for customers at home and abroad.
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..
* 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
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:
We combine technology and craftsmanship to create the perfect RF Stainless Steel Butterfly Type Ball Valve Flow Control upholding the perseverance and pioneering spirit, and integrating rich production experience. In the face of new historical opportunities and challenges, the pursuit of excellence also represents our ambition and mission to create the future. Under the guidance of advanced business philosophy and excellent corporate culture, we take independent research and development and unique technology as the core.