ASME Boiler and Pressure Vessel Code Section VIII
API 526/527
ASME Standard Safety Relief Valve
Standards: ASME Boiler and Pressure Vessel Code Section VIII and API 526/527
Design and Manufacture: ISO 4126, API RP520
Face to Face: API 526
Flanged Ends: ANSI B16.5A
Test: API 527
Performance:
Tolerance of Set Pressure: ≤ ± 3%
Overpressure: ≤ ± 10%
Differential of Open & Close: ≤ ± 5%
Seal: As per API 527
Features:
1\Compact structure, attractive appearance, precision casing, surface shine.
2\Separated seat and body, suitable to machining the seat and the seat surface grinded as mirror plate to assurance sealing.
3\Disc Holder and Adjusting valve are suitable for the function to opening the valve quickly and back seat in time, so the valve
Can attain perfect differential pressure of open and close.
4\Stellited Seat and Disc, antifriction, anti-erosion, increase of service life.
5\Back pressure balanced, adopted with military bellows, can handle application involving high built-up back pressure, the bellows
Also can isolate the internal parts in the bonnet chamber from corrosion liquid or poisonous gas.
6\As the key part, springs are isothermal heat treated twice to assuring rigidity and right function.
7\Pressure tests are applied to body, seat and other bearing pressure parts.
SFWA-41C Series Spring Loaded Safety Relief Valve
Bellow Balanced Low Lifting Type Without Lever
SFA-42C Series Spring Loaded Full Lifting Type Safety Relief Valve
SFWA-42C Series Spring Loaded Safety Relief Valve
Bellow Balanced Full Lifting Type Without Lever
SFWA-42C Series Spring Loaded Safety Relief Valve
Bellow Balanced Full Lifting Type Without Lever
SFA-44C Series Spring Loaded Safety Relief Valve
Closed Bonnet, Full Lifting Type With Lever
SFA-44C Series Spring Loaded Safety Relief Valve
Closed Bonnet, Full Lifting Type With Lever
SFA-48C Series Spring Loaded Safety Relief Valve
Opened Bonnet, Full Lifting Type With Lever
SFA-48C Series Spring Loaded Safety Relief Valve
Opened Bonnet, Full Lifting Type With Lever
SFA-48SC Series Spring Loaded Safety Relief Valve
Opened Bonnet, With Radiator, Full Lifting Type With Lever
SFA-48SC Series Spring Loaded Safety Relief Valve
Opened Bonnet, With Radiator, Full Lifting Type With Lever
SFA-48SC Series Spring Loaded Safety Relief Valve
Opened Bonnet, With Radiator, Full Lifting Type With Lever
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.
