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REFLUX VALVES
Cast Iron double Flanged Swinging Disc Type Non-return r Reflux Valves, 50 mm to 600 mm size

PART NO DESCRIPTION MATL. & SPECN.
1 BODY CI. TO IS : 201 FG. 200
2 COVER DO
3 FLAP DO
4 HINGE BRACKET DO
5 BODY SEAT RING LEADED TIN BRINGE
IS : 318 LTB 2
6 FLANGE SEAT RING DO
7 HINGE PIN HT. BRASS IS : 320 HT2
8 GASKET ROBBER IS : 638 TYPE B
9 BOLTS, NUTS & STUDS CARBON STEEL
IS : 1367
  • VALVES GENERALY CONFIRM TO IS : 5312 (PART - 1)/BS : 5153
  • FLANGES MAY BE FACED AND DRILLED TO BS : 10 TABLE 'D' OR 'E'/ANSI B 16. 1 CL 125/150/DIN
  • VALVES WITH STAINLESS STEEL TRIMS CAN BE OFFERED
  • VALVES TO ASA OR DIN STANDARED CAN BE OFFERED
  • VALVES WITH ISIS CARTIFICATION/TAC APPROVAL OPTIONAL FEATURES :
  • AIR RELEASE PLUG * BY-PASS VALVE * DASHPOT * LEVER AND WEIGHT
 
ALL DIMENSIONS IN MILLIMETERS
NOMINAL BORE
FLANGE TO
FLANGE 'A'
FLANGE
DIA 'B'

FLANGE
THK. 'C'

P.C.D. NO. OF
HOLES
DIA. OF
HOLES 'H'
50
200 165 16 165 4 19
65 240 185 16 145 4 19
80 260 200 21 160 4 19
100 300 220 22 180 8 19
125 350 250 22.5 210 8 19
125 400 285 23 240 8 23
200 500 340 24.5 295 8 23
250 600 395 26 350 12 23
300 700 445 27.5 400 12 23
350 800 505 29 460 16 23
400 900 565 30 515 26 28
450 1000 615 31.5 565 20 28
500 1100 670 33 620 20 28
600 1300 780 36 725 20 31

HYDROSTATIC TEST PRESSURE M Ps (GAUGE)
NOMINAL SIZE
NB

PN RATING
OF VALVE
BODY SEAT
50 TO 125 1.6 2.4 1.6
150 TO 300 1.0 1.5 1.0
350 TO 600 0.6 0.9 0.6