TOP GUIDED SINGLE SEATED GLOBE VALVES
21000 Series Pneumatic Control Valve
Foreword:
21000 Series single ported, heavy top guided control valves
Are manufactured with masoneilan technique and designed with
Built in versatility making them well-suited to handle a wide variety
Of process applications. Standard features include:
Top Guided
Rugged, heavy top plug guiding provides maximum support to
Ensure plug stability.
Single and Double Stage
Lo-dB® /Anti-cavitation Trim
Replacing the conventional plug with the Lo-dB® /
Anti-cavitation design provides excellent noise attenuation
Or cavitation control.
Reduced Capacity
A series of reduced area trim is available to provide
Wide flow range capabilities in all valve sizes.
High Pressure Capability
A variety of actuators are available to handle low to high pressure
Drop requirements. Allowable pressure drops for specific leakage
Classes are available in the catalog of 21000 series or using the
Masoneilan Sizing and Selection Program.
Tight Shutoff
Class IV leakage is standard. Optional constructions
Meet IEC 534-4 and ANSI/FCI 70.2 Class V and VI.
Hardened Trim
Provided as standard to handle high pressure drop
Applications.
Trim Type
Standard construction offers either a quick change or
Threaded seat ring.
V-FLO Group of Companies, originally known as V-FLO Pumps & Systems, was established in 2001 in the form of corporation with 14 strongest and carefully qualified pump manufacturers in China. All these 14 manufacturers are ISO certificated companies and some of them were founded as early as in 1949. V-FLO, on top of these companies and based on their cooperation with world leaders of the field including Ebara, Nash Elm, Allweiller, Boremman, Dresser, KSB, Sulzer and Byron Jackson, has grown to be the strongest pump developer, pump station solution provider and equipment supplier in China.
V-FLO started from pumps but now we are much more than the pumps. In addition to the pump manufacturing section, we have developed to cover a system engineering for EPC projects as well as general trading business, especially focusing on the design, manufacturing and OEM packaging of all types of special industrial process and production lines with supports and partnerships from all the senior R&D organizations and experienced manufacturers all over China for different industries.
V-FLO has started a new journey to serve our customers in diversified industries for power, oil & gas, chemical and other industries. This can be translated into a wide scope of services. V-FLO offers from private basement to municipal sewage treatment, from the boiler room in a high rise building to a marine pier, in processing plants, power generating stations, paper mills, construction sites, utility maintenance fleets and in farm fields as well.
V-FLO Group, with two factorices we are cooperating, has more than 2500 employees working at positions of manufacturing, R&D, sales and management. We are dedicated to strive for a higher standard of service not only in providing pumps, motors, expansion tanks, valves, specialized equipments and so on, but also in EPC, engineering design and project planning and even a lot more. Our investment in technology and research is second only to the support we give to our customers and employees. We approach the 21st century reaffirming our dedication to our customers, employees and vendors.
