Butterfly Valves
Submitted by admin on Wed, 05/09/2018 - 21:02
BUTTERFLY VALVES
MAIN APPLICATION:
Service, transport and distribution of:
- cold and hot industrial water;
- drinking water;
- saturated vapours;
- petroleum products;
- solid particles-charged fluids (max. 3 % consistency)
- provided that the manufacturing design and materials are suitable as far as corrosion, erosion and operation safety are concerned.
DESIGN AND DIMENSIONAL CHARACTERISTICS:
- type : - « W » - Wafer;
- « L » - Lug;
- « F » - Flanged;
- shaft: - one piece;
- two pieces;
- connecting flanges: - EN, ISO, BS, DIN, ANSI ;
- overall length: - EN, ISO, BS, DIN, ANSI ;
- max. flowing speed for liquids: - 3 m/s – for PN10 ;
- 4 m/s – for PN16 ;
MINIMUM WORKING TEMPERATURE:
+ 800 C / -100 C for NBR gaskets;
+ 1200 C / -100 C for EPDM gaskets.
OPERATION:
- electrical;
- manual;
- pneumatical;
MOUNTING:
- flow direction – indifferent;
- mounting position – indifferent;
FACTORY TESTS; TESTING PRESSURES; LEAKAGE:
- hydraulic tests as per ISO 5208 ;
- testing pressures: - shell - 1,5 x PN (bar)
- seat - 1,1 x PN (bar)
- grade A – no leakage – as per ISO 5208 ;
PRODUCTS:
- BUTTERFLY VALVE PN16 WAFER AND LUG DN50÷200 (2"÷8")
- BUTTERFLY VALVE PN10 WAFER AND LUG DN250; 300
- BUTTERFLY VALVE PN10 WAFER AND LUG DN350 ÷ 600
- BUTTERFLY VALVE DN50÷200 SI PN10 250÷600 WAFER AND LUG MANUAL OPERATED
- RESILIENT BUTTERFLY VALVE PN10 DN50÷250
- RESILIENT BUTTERFLY VALVE PN10 DN300÷500
- RESILIENT BUTTERFLY VALVE PN10 DN50÷500 MANUAL OPERATED
- BUTTERFLY VALVE PN10 DN250÷500 ELECTRIC OPERATED WITH NOTOR
- EXCENTRIC BUTTERFLY VALVE DN10, DN200÷900 WITH FREE SHAFT TYPE EFCN
- EXCENTRIC BUTTERFLY VALVE DN16, DN200÷900 WITH FREE SHAFT TYPE EFCN
- EXCENTRIC BUTTERFLY VALVE DN10, DN200÷900 WITH FREE SHAFT TYPE EFCN MANUAL OPERATED
- EXCENTRIC BUTTERFLY VALVE DN16, DN200÷900 WITH FREE SHAFT TYPE EFCN MANUAL OPERATED
- EXCENTRIC BUTTERFLY VALVE DN10, DN200÷900 WITH FREE SHAFT TYPE EFCN ELECTRIC OPERATED
