1210, Pragati Tower-26, Rajendra Place
New Delhi - 110008, India
Mon-Fri
09:00 - 17:00
(+91)-9899016668, (+011)-25728338
aiputilities@yahoo.co.in

DIAPHRAM VALVES


PART DESCRIPTION MATERIAL DETAILS
1 BODY CAST IRON SCREWED OR FLANGED/SCREWED ONLY UPTO 2″(INCH) SIZE
2 BONNET CAST IRON SQUARE/ROUND SHAPE
3 COMPRESSOR CAST IRON WITH FINGURES SUPPORTING THE DIAPHRAGM WHEN CLOSED
4 HAND WHEEL CAST IRON STEARING TYPE WHEEL FOR EASY OPERATION
5 SPINDLE MILD STEEL CAN BE MADE OF BRASS/STAINLESS STEEL ALSO
6 NUT & BUSH GUN METAL & BRASS FOR EASY & SMOOTH OPERATION
7

8

DIAPHRAGM

BOLTS OR STUDS

RUBBER

MILD STEEL

NATURAL RUBBER, NEOPRENE RUBBER, HYPALON & TEFLON.

REINFORCED TO STAND HEAVY PRESSURES

AND NUTS FOR SECURING THE BONNET TO BODY
 Size of Valve (mm) 13 19 25 32 38 51 64 76 102 127 152 203 254 305 356
 Flange to Flange Distance (mm) 102 118 127 146 159 191 216 254 305 256 406 521 635 749 749
 Flange Diameter (mm) 95 102 114 121 133 152 165 184 216 254 279 337 406 457 527
 Central Line of flow to top (mm) 73 73 92 150 149 178 213 235 286 330 381 521 616 711 904
 P.C.D. of Bolt Holes (inch) 25/8″ 27/8″ 31/4″ 37/16″ 37/8″ 41/2″ 5″ 53/4″ 7″ 71/4″ 91/4″ 111/2″ 14″ 16″ 181/2″
 Number of Bolts (mm) 4 4 4 4 4 4 4 4 4 8 8 8 8 12 12
 Size of Bolts (mm) 13 13 13 13 13 16 16 16 16 16 16 16 19 19 22

Rubber-Lined and Lead-Lined Values will be 1/4 inch to 3/8 inch (6 to 9mm) Longer over Flanges
and 1/8 inch to 3/16 inch (3 to 4.1/2 mm.) higher than above valves due to thickness to Lining

Notes:

1.Glass, Rubber,Lead & L.D.P. Lined Valves are supplied in flanged type.

2.We may consider special alloys and Linings on request.