Non Return Valves Manufacturers and Supplier
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"VALCO" WAFER CHECK VALVES A COST EFFECTIVE NON RETURN VALVES WHICH ARE VERY SIMPLE IN DESIGN & CONSTRUCTION & CAN BE MOUNTED IN VERTICAL & HORIZONTAL DIRECTIONS BETWEEN FLANGES OF DESIRED CLASS.
DESIGN & CONSTRUCTION FEATURES :
- VALVE DESIGN STD : API 6 D
- VALVE TESTING STD : API 598
- PRESS RATING : ANSI B 16.34
MATERIAL OF CONSTRUCTION :
- BODY : CAST IRON / CAST STEEL / SS 304 / SS 316
- DISC : MS / SS 304 / SS 316
- SEAL : NITRILE
SIZE RANGE :
- 11/2 (40 NB) TO 32 (800 NB)
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"VALCO" SWING CHECK VALVES ARE ROBUST & STERDY DESIGNED NON RETURN VALVES & CAN BE MOUNTED IN VERTICAL & HORIZONTAL DIRECTIONS BETWEEN FLANGES OF ASA 150 # CLASS.
DESIGN & CONSTRUCTION FEATURES :
- VALVE DESIGN STD : BS 1868
- VALVE TESTING STD : BS 6755 PART I
- PRESS RATING : ANSI B 16.34
- FACE TO FACE : ANSI B 16.10 / API 6D
- FLANGE DRILLING : ANSI B 16.5 / BS 10 TAB
MATERIAL OF CONSTRUCTION :
- BODY : CAST STEEL / SS 304 / SS 316
- INTERNAL PARTS : CS + 13 % CR / SS 304 / SS 316
- GASKET : CAF / GRAPHITE ASBESTOS / PTFE
SIZE RANGE :
- 2 (50 NB) TO 12 (300 NB)
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"VALCO" MANUFACTURE NRV'S SPECIALLY DESINGED MOSTHLY CONVEYING OF ASH IN POWER PLANTS . THEY ARE LEAKPROOF , ROBUST NON RETURN VALVES WHICH ARE AIR TIGHT & SUITABLE FOR AIR & ASH MEDIA .
MATERIAL OF CONSTRUCTION :
- BODY : CAST IRON
- DISC :MS(CROME PLATED)/SS 304
- DIAPHRAGM & SEALS : NITRILE RUBBER
SIZE RANGE :
- 1/2 (50 NB) TO 3 (50NB) THREADED/FLANGED