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

REFLUX TYPE NRV


CAST IRON DOUBLE FLANGED SWINGING DISC TYPE NON-RETURN OR REFLUX VALVE

DESIGN FEATURES


  • Manufacturing Range From 50MM To 60MM
  • Manufacturing Standard Is: 5312, PART-1, BS-5153
  • Flange Faced & Drilled As Per Is: 1538, BS:10 Table ‘D’ Or ‘E’/ANSI B 16.0 CL 125/150/DIN
  • Valves With Stainless Steel Trims Can Be Offered
  • Valves To ASA Or DIN standard Can Be Offered

OPTIONAL FEATURES


  • AIR RELEASE PLUC
  • BY-PASS VALVE
  • DASHPOT
  • LEVER AND WEIGHT
HYD. TEST PRESSURE
RATING BODY SEAT
PN-0.6 9 kg/cm 6 kg/cm
PN-1.0 15 kg/cm 10 kg/cm
PN-1.6 24 kg/cm 16 kg/cm
PART DESCRIPTION MATERIALS
1 BODY CAST IRON, IS:210. GR 200
2 COVER CAST IRON, IS:210. GR 200
3 FLAP CAST IRON, IS:210. GR 200
4 HINGE BRACKET CAST IRON, IS:210. GR 200
5 BODY SEAT RING LEADED TIN BRONZE, IS:318 LTB-3
6 FLAP SEAT RING LEADED TIN BRONZE, IS:318 LTB-2
7 HINGE PIN 13% CR. SS AISI 410
8 GASKET RUUBBER IS:638 TYPE B
9 NUTS & BOLTS, STUDS CARBON STEEL, IS:1367

ALL DIMENSIONS ARE IN MM AS PER IS :1532

SIZE FACE TO FACE FLANGE OD FLANGE THIK PCD NO.OF HOLES DIA OF HOLE HINGE PIN DIE
50 200 165 16 125 4 19 10
65 240 185 16 145 4 19 10
80 260 200 21 160 4 19 12
100 300 220 22 180 8 19 12
125 350 250 22.5 210 8 19 16
150 400 285 23 240 8 23 20
200 500 340 24.5 295 8 23 22
250 600 395 26 350 12 23 25
300 700 445 27.5 400 12 23 25
350 800 505 29 460 16 23 32
400 900 565 30 515 16 28 32
450 1000 615 31.5 565 20 28 32
500 1100 670 33 620 20 28 28s
600 1300 780 36 725 20 31 28