The high-quality stainless steel butterfly valve produced by our company fulfills the requirements of engineers and procurement managers seeking reliable flow control components. This industrial butterfly valve is specifically designed for process control systems where precise shut-off and consistent flow regulation are paramount. As a leading butterfly valve manufacturer, we provide customized butterfly valve configurations tailored to client specifications, enabling seamless integration into existing pipeline infrastructures with compliance to industry standards and operational protocols.
Our stainless steel butterfly valve manufacturer specializes in fabricating valves constructed from premium stainless steel grades, ensuring a corrosion resistant butterfly valve suitable for harsh environments. These valves include critical features such as blow-out proof stems, dual seal designs, and compliant flange dimensions adhering to ANSI and ISO norms. Measurable parameters, including valve size range from DN50 to DN900 and pressure classes PN16 to PN40, allow precise engineering selections. The valves also exhibit low operating torque for ease of actuation, ensuring compatibility with automated or manual operator devices, reflecting reliable practices in valve design and performance.
This sanitary butterfly valve and corrosion resistant butterfly valve are engineered to meet the stringent requirements of chemical processing, heating systems, and water treatment sectors. The industrial butterfly valve’s compact wafer and lug body designs facilitate installation in pipelines with space constraints while maintaining efficient flow characteristics. Our customized butterfly valve options empower operators in oil & gas, HVAC, and manufacturing industries to optimize system throughput and reliability. The robustness and adaptability of these butterfly valves support continuous operations, minimizing downtime and enhancing overall process stability.
Our stainless steel butterfly valve manufacturer emphasizes a modular design approach that offers structural integrity and ease of maintenance. The corrosion resistant butterfly valve incorporates seat retainers and self-lubricating stem bearings to protect against premature wear and extend service life. Integration with standardized mounting brackets compliant with ISO5211 enables versatile actuator compatibility. Additionally, the sanitary butterfly valve design conforms to hygienic protocols, facilitating its application where contamination risks must be minimized. Such design sophistication promotes compatibility, reduces repair complexity, and streamlines inventory management for industrial end-users.
Users benefit from the low torque requirements and high sealing reliability inherent in our corrosion resistant butterfly valve, reducing operator fatigue and ensuring precise flow control. The industrial butterfly valve’s materials selection reduces susceptibility to corrosive agents, lowering lifecycle costs. Manual and actuated operation versatility diminishes system complexity, enabling straightforward automation deployment. Furthermore, the availability of customized butterfly valve solutions allows clients to optimize valve functions for unique processing conditions, improving return on investment by enhancing process efficiency and reducing maintenance frequency.
Technical Data:
Available Materials：
Ductile Iron; SMO 254;Monel; Inconel;Duplex2205;Hastelloy; Alloy 20;
Other materials are available on request.
Standard Specifications:
Valve Design: MSS SP-68, API 609, ANSI B16.34.
Face to Face: MSS SP-68, API 609, ISO5752.
Test standard: API 598; EN12266-1; ISO5208
Pressure Ratings: 150 LB & 300 LB.PN16-PN40
Flange End Connection: ASME Class 150 & 300, BS EN1092-1 PN10/PN16,AS 2129 Table D/E.
Product Range:
Body Configurations: Wafer and Lug
Valve Size: 2"~36"（DN50~DN900)
Seat Materials: Soft Seat: PTFE,RTFE,PPL,TFM1600. Metal Seat:SS316,SS316L, Inconel .
Blow-out Proof Stem
Large diameter,single piece high strength shaft provides alignment and rigid support for disc.
Square or Double D type stem design simplifies adaption to manual or automatic actuation.
Seat Retainer
The seat retainer with lesss crews reduces leakage paths and facilitates replacement of seat ring.Protects the seat ring from abrasion and erosion.
Disc Stop in Body
Prevents disc overtravel and minimizes possible seat damage.
Seat
An advanced two-part seal design provides reliable sealing performance and extends cycle
life with less maintenance.
Stem Retainer
Provides positive stem retention to prevent movement of the stem.
ISO Bracket
Universal and replaceable mounting bracket meets ISO5211 connection standard.
Stem Packing
Adjustable V-ring type TFE or Graphite offers positive sealing.
Stem Bearings
RTFE/SS or Graphite/SS bearings maintain shaft alignment. Self lubricant bearings(reduce wear
and friction.
Body
One-piece casting of high quality with standard availability in carbon steel, stainless steel and
alloy steel for services in wide variety of applications and abrasive service.
Disc
Spherical sealing surface on disc improves sealing capacity.The disc edge is fully machined
and polished for minimum torque.
In chemical process environments, safe and precise fluid management is critical. The corrosion resistant butterfly valve is installed within pipelines handling aggressive chemicals, ensuring reliable shut-off and proportional flow control under variable pressure conditions. Our stainless steel butterfly valve’s resistance to corrosion and compliance with sanitary requirements provide the necessary durability and system integrity. Integration with automated control systems via ISO5211 mountings enables responsive operation, facilitating strict process control and reducing downtime in volatile chemical manufacturing workflows.
Within HVAC and water treatment infrastructures, our industrial butterfly valve and sanitary butterfly valve perform essential roles managing air and liquid flows with minimal pressure loss. The compact wafer configuration fits confined piping layouts typical of these sectors. These valves sustain stable operation despite temperature fluctuations and repeated cycling, assuring consistent system performance. Their corrosion resistant butterfly valve construction meets regulatory standards for potable water and clean environments, supporting facility compliance. The valves’ compatibility with actuation solutions streamlines their incorporation into automated monitoring and control frameworks common in modern utility management systems.
ABOUT US
Hebei Diefei Valve Co., Ltd., which was established in 1986,is a specialized factory gathering the medium and lower pressure valve developing, manufacturing and selling together. We established Crane Ningjin Valve Co., Ltd with Crane Valve USA in 1995.
Our main products are Butterfly valve, Check Valve, Gate Valve, Ball Valve, Valve Actuator and so on. These valves are available extensive to the pipelines of oil, metallurgy, chemical industry, medical, light textile, paper-making, water and electricity ,tap water company ,central air conditioning system etc.
We own perfect manufacturing process and testing way of casting, matching and assembling. We are authorized the Quality Management system certificate of ISO9001:2015, Environmental Management system certificate of ISO14001:2004,CE Certificate and the Approval of Manufacturer Certificate of DNV. Our company products are mainly sold to many large-scale agglomerations like CNPC, Sinoepc, CSPC, DAIKIN , Haier, Midea and etc. And exported to USA, Europe, Africa, Southeast Asia, Taiwan etc countries and area.
We are willing to serve our customers at home and abroad with our excellent products and services.
CERTIFICATE OF NSF61/372
PACKAING AND TRANSPORTATION
