Non Return Valves Manufacturers and Supplier

"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)

"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)

"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