GATE VALVES
Submitted by Anonymous on Wed, 05/09/2018 - 21:00
GATE VALVES
APPLICATIONS:
The gate valves are used as closing valves for:
- cold and hot industrial water
- drinking water
- saturated vapours
- petroleum products
DESIGN AND DIMENSIONAL CHARACTERISTICS:
- design variant: - non-rising stem
- non-rising stem with position indicator
- rising stem
- body – flat, oval
- design ISO, DIN, BS, MSS-SP
- face to face: EN, ISO, ASME
- connecting flanges: EN, ISO, DIN, ASME
- max. flow speed for liquids: - 2.5 m/s - for PN 2.5; 4; 6;
- 3 m/s - for PN 10
- 4 m/s - for PN 16
- on request can be offered with draining plug
SEALING TYPE :
- body-wedge: - Ac / Ac – all copper alloy
- Ix / Ix - min.11.5%Cr stainless steel
- Fc / Fc – all cast iron
- body-bonnet: - asbestos free sheet or rubber sheet
- bonnet -stem:- asbestos free rings or rubber rings
OPERATION:
- manually: - with handwheel
- with gearbox
- electrically
MOUNTING:
- flow direction: indifferent;
- mounting position: - indifferent, for DN≤600
- with the stem in vertically position and
- with handwheel up for DN >700
FACTORY TESTS; TEST PRESSURE; LEAKAGE:
- hydraulic tests - in conformity with ISO 5208
- in conformity with MSS-SP-70
- test pressure - shell - 1.5xPN
- seat - 1.1xPN
- max. allowed leakage at seat test :
- in conformity with ISO 5208
- in conformity with MSS-SP-70
- EN 12266 for DN≥700
PRODUCTS:
- Gate valve flat body PN10 PN10; 6; 4; 2.5 DN40 ÷ 700
- Gate valve flat body operated with gearbox, PN2.5, DN800 ÷ 1200
- Gate valve flat body PN10 electrical operated DN50-DN600
- Gate valve flat body PN10 electrical operated DN700-DN1200
- Gate valve oval body PN10 DN40÷600
- Gate valve oval body PN10 electrical actuated DN50-DN600
- Gate valve oval body PN10 operated with gearbox DN500÷1200
- Gate valve oval body electrical operated PN10 DN500÷1200
- Gate valve oval body PN16 DN40÷400
- Gate valve oval body PN16 electrical operated DN50-DN350
- Gate valve oval body PN16 operated with gearbox DN400÷900
- Gate valve oval body PN16 electrical operated DN400-DN900
- Gate valve, ANSI type, manually operated CLASS 125, DN2”÷DN36” - CLASS 150, DN 2”÷DN24”
- RESILIENT SEATED GATE VALVES
- OVAL AND FLAT BODY RESILIENT SEATED GATE VALVES, MANUALLY OPERATED PN10; PN16, DN50÷100
- RESILIENT SEATED GATE VALVE, FLAT AND OVAL BODY, MANUALLY OPERATED PN10; PN16, DN125÷300
