Indian Valve Pvt. Ltd.

INDIAN VALVE PRIVATE LIMITED……….. INDIAN VALVE INTERNATIONAL ………. INDIAN VALVE (CALCUTTA) PRIVATE LIMITED ……… VALVES BUILT TO LAST

Double Flanged Butterfly Valves

Excellence !

Conesphere geometry for drop-tight closure in both directions
Eccentric seating
Integral Monel seat in body
Low head loss
Ease of operation
Easily renewable elastomeric disc seal
BS EN 593 & AWWA – C 504
Double flanged short / long
Flanges drilled to IS 1538 Table 4 & 6 / BS EN 1092 - 2
Size 300 to 3000 mm dia
PN 10 & 16 (higher ratings on request)
Power operation – Electric / Hydraulic / Pneumatic (smaller sizes)

LENGTH OVER FLANGE (LOF)

(A) for AWWA C 504 / (B) for BS EN 593

NB	A	B
300	203	178
350	203	190
400	203	216
450	203	222
500	203	229
600	203	267
700	NA	292
750	305	304
800	NA	318
900	305	330
1000	NA	410
1050	305	NA
1100	NA	440

NB	A	B
1200	381	470
1350	381	NA
1400	NA	530
1500	381	560
1600	NA	600
1650	457	NA
1800	457	670
2000	NA	760
2200	NA	770
2400	NA	770
2500	NA	780
2800	NA	780
3000	NA	810

INTEGRAL MONEL SEAT IN BODY WITH ELASTOMER SEAL RING IN DISC

An integral seat in body precludes the possibility of leakage from beneath a separate seat ring besides, eliminating components like ‘O’ ring for the seat, screws / nuts / washer and the seat ring itself. Monel, a cupro – nickel alloy, nickel in excess of 57%, is highly resistant to any form of corrosion and therefore the Monel integral seat is good for life and is maintenance free.

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