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Non Return Valve

Our product range includes a wide range of silent check valve, cast iron non return valve, ball type non return valve, normex ball check valve, ss non return valve and dual plate check valves.

Silent Check Valve

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Silent Check Valve
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Approx. Rs 2,500 / PieceGet Latest Price

Product Details:
BrandNormex
MediaWater, Inert Gases, Air
Pressure RatingPN 1.0
TemperatureUp to 80 C
InstallationVertical/Horizontal
ModelH-01
Body MaterialCast Iron (CI)
Size40 mm to 400 mm

Silent Check Valves are short length double flanged valves with all the internals designed to be hydrodynamic. When open, these valves have a flow area equal to the nominal bore area. Therefore, unlike other spring loaded valves conventional flapcheck valves, these valves offer lower head losses maintain laminar flow. The valve closes due to return spring force, valve is “Quick Closing”. The valve gets closed before the start of back flow / return velocity. Hence, water hammer is eliminated in most of the cases.

Features:

1. Working principal Hydrodynamic guided closing.
2. The closing mechanism is guided backed with return spring for quick closing, opening and perfect sealing.
3. Due to Aero/hydro dynamic effect water hammer is eliminated.
4. Very low pressure loss
5. Most suitable for clear liquids air.
6. Silent operation.
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Cast Iron Non Return Valve

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Cast Iron Non Return Valve
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Approx. Rs 1,500 / PieceGet Latest Price

Product Details:
Minimum Order Quantity1 Piece
Model Name/NumberCI Reflux valve
Size50mm to 1000mm
MaterialCast Iron
BrandFLOMAX
Valve Size50mm to 1000mm
MediaWater
End ConnectionFlanged
Design TypeSwing/Flap Type
Featureswith Bypass Line (Optional)
ColorBlack
Connection TypeFlanged Ends
Corrosion ResistanceEpoxy Painted
Maximum Working TemperatureAmbient
Packaging TypeLoose

Non Return valves are mostly used to maintain flow of water in only one direction and stop the return flow of water. These valves are self operative by pressure only.These valves can be fitted horizontally as well as vertically and are used on main water pipelines.
MATERIALS
All parts are manufactured out of best available graded materials after proper testing.
Materilas used for different parts are detailed below:

PART NAME

MATERIAL

SPECIFICATION

Body, Cover, Door, Bearing Holder, Door Face Disc & Hinges

Cast Iron

IS: 210 FG 200

Bearing Bushes & Body Rings

Bronze (Gun Metal)

IS: 318 LTB

Bolts, Nuts, Nuts of Hinge Pin

Carbon Steel

IS: 1363 – 67

Gaskets

Rubber

IS: 638

Hinges Pin, Door Pin, Door Suspension Pin

High Tensile Brass

IS: 320                                                      IS: 6912

TESTING AND CERTIFICATE
All valves are tested to the Hydraulic pressure recommended by IS: 5312 and as detailed below. Test certificate duly signed by quality control engineer are issued by for all the valves. All valves are "ISI" marked & certified

     Nominal      
Pressure Rating

Hydraulic Test Pressure

BODY

SEAT

PN 1.0

1.5Mpa

1.0Mpa

PN 1.6

2.4Mpa

1.6Mpa


Additional Information:

  • Production Capacity: Any
  • Packaging Details: Loose
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    Ball type Non Return Valve

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    Ball type Non Return Valve
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    Approx. Rs 2,500 / PieceGet Latest Price

    Product Details:
    Size Range25 mm to 350 mm
    Pressure RatingPN 1.6
    TemperatureUp to 80 C
    InstallationHorizontal or Vertical

    Ball Type Check Valves is a non return valve with a very simple and robust design. The heart of the valve is rubber coated ball. The hinge-pin-disc mechanism used in conventional check valves, which is the cause of most operation and maintenance issues such as pressure drop, imperfect sealing, leakage, clogging, etc., is eliminated.

    As the pump starts, the ball moves out totally from the flow path, giving a full bore with maximum flow discharge and minimum head losses. As the pump stops, the ball rolls back and seats perfectly on the rounded valves seat ensuring totally leak proof sealing.

    Salient Features:

    1. Lowest possible pressure drop across all types of check valves.
    2. 100% leak proof sealing years over years.
    3. Non-clogging and self cleaning as ball rotates during operation.
    4. Virtually no wear and tear, no maintenance and longer service life.
    5. Higher solid handling capacity due to full bore and straight internal path.
    6. Lower head loss-high discharge, reduced pumping time - All leading to Energy Savings.

    Applications:

    Clean water, Raw water, Sewage, Slurry, Waste Water, Viscous liquids etc.

    Used in industries like:

    Fire fighting, Plumbing, Water distribution, Water/Sewage treatment, Irrigation/agriculture, Sewage plants, Steel mills, Power stations, Chemical/process industries, HVAC, Sugar/food industry, Breweries, Mining and many more.

    This valve is also available with optional rubber lining.

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    Normex Ball Check Valve

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    Normex Ball Check Valve
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    Approx. Rs 750 / PieceGet Latest Price

    Product Details:
    BrandNormex
    Size Range25 mm to 100 mm (Up to 350 mm in Flanged Ends)
    Pressure RatingPN 1.6
    TemperatureUp to 80 C
    InstallationHorizontal or Vertical
    ModelB-06

    Ball Type Check Valves is a non return valve with a very simple and robust design. The heart of the valve is rubber coated ball. The hinge-pin-disc mechanism used in conventional check valves, which is the cause of most operation and maintenance issues such as pressure drop, imperfect sealing, leakage, clogging, etc., is eliminated.

    As the pump starts, the ball moves out totally from the flow path, giving a full bore with maximum flow discharge and minimum head losses. As the pump stops, the ball rolls back and seats perfectly on the rounded valves seat ensuring totally leak proof sealing.

    Salient Features:

    1. Lowest possible pressure drop across all types of check valves.
    2. 100% leak proof sealing years over years.
    3. Non-clogging and self cleaning as ball rotates during operation.
    4. Virtually no wear and tear, no maintenance and longer service life.
    5. Higher solid handling capacity due to full bore and straight internal path.
    6. Lower head loss-high discharge, reduced pumping time - All leading to Energy Savings.

    Applications:

    Clean water, Raw water, Sewage, Slurry, Waste Water, Viscous liquids etc.

    Used in industries like:

    The typical applications are domestic pumping and irrigation systems.

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    SS Non Return Valve

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    SS Non Return Valve
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    Approx. Rs 800 / PieceGet Latest Price

    Product Details:
    Minimum Order Quantity1 Piece
    Model Name/NumberSWINGNRV
    BrandFLOMAX
    Pressure16 Bar
    ConstructionSingle Piece
    Valve Size1/2" to 2"
    MediaWater
    MaterialSS304, Stainless Steel
    End ConnectionThreaded as per BSP
    FinishInvestment Casting (IC)

    • Material : Stainless Steel
    • Connection Form : Thread
    • Structure : Swing
    • Pressure : 200psi/Pn16
    • Function : Non Return
    • Sealing Form : Swing Check
      • Material : Stainless Steel
      • Connection Form : Thread
      • Structure : Vertical
      • Pressure : Ordinary Pressure
      • Function : Non Return
      • Sealing Form : Hard Metal

    Additional Information:

  • Item Code: NRV
  • Production Capacity: Coimbatore
  • Delivery Time: Ready Stock
  • Packaging Details: Box Packing
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    Dual Plate Check Valves

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    Dual Plate Check Valves
    • Dual Plate Check Valves
    • Dual Plate Check Valves
    • Dual Plate Check Valves
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    Approx. Rs 786 / PieceGet Latest Price

    Product Details:
    Minimum Order Quantity1 Piece
    Size2"
    MaterialDuctile Iron
    Usage/ApplicationWater
    ShapeRound
    ColorBlue
    Flange StdBS10 / ANSI
    Operation TypeNon Retun Valve
    Country of OriginMade in India

    Dual Plate Check Valve
    Dual Plate Check Valves are automatic mechanical valves, which open with a forward flow and shut to a reversal inflow. The key feature of the check valve is to secure the mechanical devices in the pipe system by avoiding the reversing of the fluid. The swing check valve is an economic kind of check valve, but it has a higher slamming effect.
    Feature and Benefit of Dual Plate Check Valve.
    The Dual-Plate Check Valve is a non-return valve that is comparatively stronger, lighter in weight, and compact in size than the conventional swing control valve or lift control valve.

    • Pressure drop in a dual plate check is very low as compared to other check valves.
    • Low wear and tear of the seat as it has a design of non-slamming type.
    • Water hammers are almost negligible in dual-plate check valves because valve closure does not rely on backpressure and backflow. Each plate, which is half the size of a swing check disc, offers a straight flow path, providing the least resistance. As a result of spring-assisted closing, the valve closure begins as soon as the flow velocity decreases below the intended minimum velocity, and then the closing rate flows into the flow velocity reduction pattern. The valve shuts as the flow rate reaches zero and well before the flow is reversed. This reduces the water hammering.
    • Non-Slam Design: The two plates in the Dual Plate Check Valve are mounted vertically in the middle for horizontal installations, completely removing the influence of gravity. Also, the momentum produced as they travel to a closed position is just a fraction of what is developed in a swing check valve. Further due to the spring-assisted closure, the valve shuts as the flow velocity reaches zero and until the flow reversal. When it begins to close, the flow, as such, cushions the plates and the seat, thereby reducing slamming.
    • Dual Plate Check Valve Application
    • A dual plate check valve is the most suitable type of check valve that can be used for almost any configuration of material and system parameters used in various applications, some of the typical applications are:
    • Water systems like boilers, Potable water, Fire safety system, Cooling & Heating water system, etc.
    • Petrochemicals: Offshore/Onshore applications, LPG, LNG, Lube oil, Cryogenics, etc.
    • Hydrocarbon: In almost all the applications.
    • Air & Gas applications like Chlorine, Hydrogen, Nitrogen, Carbon Dioxide, Oxygen, Etc.
    • Metallurgical and Chemical Applications: Sugar, Pharmaceuticals, Paper, Cement, Steel, Aluminium, Copper, zinc, etc.

    Additional Information:

  • Item Code: DPCV
  • Production Capacity: Coimbatore
  • Delivery Time: Ready Stock
  • Packaging Details: Box Packing
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    SS NRV Valve Wafer type

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    SS NRV Valve Wafer type
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    Approx. Rs 850 / PieceGet Latest Price

    Product Details:
    Minimum Order Quantity1 Piece
    TypeWafer type
    Model Name/NumberWCV
    BrandFLOMAX
    Size4"
    MaterialStainless Steel
    End ConnectionWafer type
    Pressure10 Kg/Cm2
    Port Size2"
    PowerManual
    OperatorAutomatic
    Media TypeWater, Air
    Pressure Type10 Kg/Cm2
    Media Temperature80 Deg. C
    Surface FinishingPolished
    DesignSlim
    Working Temp.180 Deg. C
    Automation GradeAutomatic

    Stainless Steel Economy Wafer Swing Check Valve - 1 1/2" - 12" Compact, stainless steel wafer swing check valve provides outstanding sealing capacities for elevated and low pressure. Suitable for mounting between PN10/16 and ANSI 150 flanges in dimensions 1 1/2" to 12" Used for particular, industrial and HVAC purposes. Water, heating, air conditioning and compressed air devices are applications.

    Additional Information:

  • Item Code: WCV
  • Production Capacity: Coimbatore
  • Delivery Time: Ready Stock
  • Packaging Details: Box
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