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Cast Iron Reflux Valves

Cast Iron Reflux Valves

Cast Iron Reflux Valves

High quality C.I. reflux valves designed as per IS specification and norms. checkout models and sizes.

Application

  • Reflux valves are used in pipe lines to reduce water hammer and to prevent back flow of water to the pumps from rising mains.
  • These valves are suitable for handling clear water having turbidity of 3000 ppm maximum within the limits of the working pressure mentioned overleaf suitable for temperature up to 50oC.
  • Accessories Available
  • Dashpot Arrangement
  • Scour Plate
  • Counter Weight arrangement
  • Drain Plug
  • Bypass Arrangement

Bill of Material

Item No.Item Qty.Name of ComponentMaterialSpecificationComponent Drg. No.
1.1BodyG. Cast IronIS:210 FG 200VV/CH/BD/
2.2Body RingLeaded Tin BronzeIS:318 LT B2VV/CH/BR/
3.2Flap RingLeaded Tin BronzeIS:318 LT B2VV/CH/FR/
4.1FlapG. Cast IronIS:210 FG 200VV/CH/F/
5.1Flap PinStainless SteelIS:1570 PARTVVV/CH/FP/
6.1HingeG. Cast IronIS:210 FG 200VV/CH/H/
7.As Rqd.Bolt With NetCarbon SteelIS:1367 CL-4STD
8.1Hinge PinStainless SteelIS:1570 PARTVVV/CH/HP/
9.1Flap Retaining NutStainless SteelIS:1570 PARTVSTD
10.1+1GasketRubberIS:638 TYPE BVV/CH/HP/
11.1CoverG. Cast IronIS:210FG 200STD
12.1Hing Pin Retaining PlugCarbon Steel/Leaded Tin Br.IS:7274/IS:318LTB2STD
13.1Air Release PlugCarbon Steel/Leaded Tin Br.IS:7274/IS:318LTB2STD
14.2PackingRubberIS:638 TYPE BSTD
15.1Split PinStainless SteelIS:1570 PARTVSTD

Salient Feature

  • Bronze / Stainless Steel Trim
  • Rubber Faced Flap
  • Compact Design
  • Renewable Parts
  • Body Seat Ring Sleeve Type
  • Perfect Interchangeability of components
  • Seat Taper Type
  • Spares Available

Dimension Table

ΦB
±1.0
L
±2.0
ΦD
±2.0
T
+2.0
-0.0
Drilling Detail PCD
±1.0
X (Size x Length)Y
NO)
ΦA
±2.0
ΦE
±5.0
ΦF
±5.0
ΦH
±5.0
ΦM
±0.5
NΦP(PCD)
±1.0
5050200165161941251301/2"x2½"61581010163
6565240185161941451391/2"x2½"61651010170
8080260200211941601641/2"x2½"61911010180
100100300220221941802041/2"x2½"82321210220
12512535025022.51982102091/2"x2½"82351210235
150150400285232382402515/8"x3"102871612275
20020050034024.52382953065/8"x3"103402016320
2502506003952623123503615/8"x3"143952216
30030070044527.523124004115/8"x3"144452516

Test Pressure Table

PN Rating Valve Shell Test Valve Seat Test
Pressure (KG/CM)Duration (Minute)Pressure (KG/CM)Duration (Minute)
PN 1.0155102
PN 1.6245162

Notes

  • All Dimensions are in MM Except hardware.
  • Tolerance in height ±5.0MM.
  • Flanges details are as per IS : 1538 Flanges drilling as per other std can be provided.
  • Valves are designed as per IS : 5312 Part l Hydrostatic Pressure Table as per IS : 5312.

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