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Industrial Valves

Leading Manufacturer, Supplier & Retailer of Wafer Check Valves, Check Valves, Silent Check Valves, Rubber Lined Check Valves and Silent Foot Valves.

Wafer Check Valves

  • PRESSURE RATING PN1.0/ PN1.6 (KPa)
  • SIZES 40mm to 600mm

Wafer check valves, Hydrodynamic Guided NRVS have introduced yet another design of Non Return Valve Wafer check Valves. Normex wafer check valves are simple in construction have sturdy design & are reliable in operations. These valves are very useful where weight of the valve is required be low & there is a space constraint for valve fitment. The face to face distance in these valves is extremely less as compared to standard valves. Salient Features • Sturdy but simple design. • 100% leak proof • Short length - less space required. • Light weight. • Lower pressure drop across the valve. • Low opening & closing pressures. • Wide range of materials, temperature & pressure ratings • Efficient flow characteristics. • Can be mounted horizontally & vertically. • Highly economical. • Epoxy coating over the entire surface.

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Check Valves

  • SIZE RANGE 25mm TO 350mm
  • PRESSURE TESTING BODY: 1.5 X PN
  •   SEAT : 1.1 X PN
  •    
  • PRESSURE RATING - KPa  
  • 25mm TO 125mm PN 1.6
  • 150mm TO 300mm PN 1.0
  • 350mm PN 0.6
  • INSTALLATION HORIZONTAL AS WELL AS VERTICAL
  • FACE TO FACE LENGTH IS 5312 PART I -1984/ DIN 3202-F6
  • TEMPERATURE SUITABLE UPTO 800C

Principal: Ball Type Check Valves (NRV) B-01 was the first of the valve at Normex with unique design and technology for the first time in India. A very simple and robust design with no mechanism involved. The heart ofб═ valve is rubber coated ball. The mechanism hinge-pin-disc used in conventional check valves is eliminated and Normex has put in this rubber coated ball to arrest flow media in return condition. As the pump starts, the ball moves out totally from the flow path when the pumping is on giving a full bore maximum flow/discharge with minimum head losses. (Fig. A). As the pump stops, the ball rolls back and seats perfectly on the rounded valves seat ensuring totally leak proof sealing.(Fig. B) Salient Features: Lowest possible pressure drop across the valves. 100% leak proof sealing years over years. Non-clogging and self cleaning as ball rotates during operation. Virtually no wear and tear, no maintenance and longer service life. Higher solid handling capacity due to full bore and straight internal path. Lower head loss-high discharge, reduced pumping time-All leading to Energy Saving. 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.   Dimensionally compatible with IS 5312 (Face to Face) • Can be installed vertically or horizontally • Operates silently • Operates at temp 80 0 C continuously (for 100 0 C application please contact us.)

  • DESCRIPTION STANDARD MATERIAL ON REQUEST
    BODY/COVER CAST IRON (GG25) S.G.IRON(DI)/WCB/ST.STEEL
    BALL NITRILE REINFORCED NEOPRENE/EPDM
    SEAT RING L T BRONZE ST.STEEL
    FASTENERS CARBON STEEL ST. STEEL
    PAINT ENAMEL/EPOXYбâ PAINT  
    END CONNECTION FLANGED  
  •   25 40 50 65 80 100 125 150 200 250 300 350
    D 115 150 165 185 200 220 250 285 340 395 482 527
    L 144 174 200 240 260 300 350 400 500 600 700 800
    H 115 160 180 210 230 280 340 400 500 570 680 800
    T 15 15 16 16 19 20 21 21 22 24 25 29
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Silent Check Valves

  • SIZE RANGE 40mm TO 400mm
  • PRESSURE TESTING BODY: 1.5 X PN
  •   SEAT : 1.1 X PN
  •    
  • PRESSURE RATING -KPa  
  • 40mm TO 125mm PN 1.6
  • 150mm TO 300mm PN 1.0
  • 350mm & 400mm PN 0.6
  • INSTALLATION HORIZONTAL AS WELL AS VERTICAL
  • TEMPERATURE SUITABLE UPTO 800C

Normex Valves Pvt. Ltd. brings this latest technology for the first time in India. Silent Check Valves are a short length double flanged valves with all the internals designed Hydrodynamically. This valves, when open, the annular area between the body & plunger available for flow, is equal to the nominal bore area. Therefore, unlike other spring loaded valves & conventional flapcheck valves, these valves offer lower head losses & maintains laminar flow. As 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.

  • DESCRIPTION STANDARD  MATERIAL ON REQUEST
    BODY/GUIDE CAST IRON (GG25)  
    PLUNGER S.G. IRON  
    SPRING STAINLESS STEEL  
    SEAT RING L T BRONZE ST.STEEL
    PAINT ENAMEL PAINT  
    END CONNECTION FLANGED  

     

  • Dimensions (A = size in mm)

    A 40 50 65 80 100 150 200 250 300 350 400
    D 150 165 185 200 220 285 340 406 457 527 578
    W 85 105 128 156 194 264 346 430 500 600 686
    H 85 100 120 140 170 230 290 355 398 475 560
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Rubber Lined Check Valves

  • DESCRIPTION MATERIAL OF CONSTRUCTION
  • BODY/COVER CAST IRON (GG25)
  • BALL NITRILE REINFORCED
  • SEAT RING INTEGRAL
  • FASTENERS CARBON STEEL
  • PAINT ENAMEL PAINT
  • END CONNECTION FLANGED
  • LINING EBONITE HARD RUBBER FROM INSIDE
  • SIZE RANGE 25mm TO 350mm
  • PRESSURE TESTING BODY: 1.5 X PN
  •   SEAT : 1.1 X PN
  •    
  • PRESSURE RATING -KPa  
  • 25mm TO 125mm PN 1.6
  • 150mm TO 300mm PN 1.0
  • 350mm PN 0.6
  • INSTALLATION HORIZONTAL AS WELL AS VERTICAL
  • FACE TO FACE LENGTH IS 5312 PART I -1984/ DIN 3202-F6 ( +6mm)
  • TEMPERATURE SUITABLE UPTO 800C

Rubber Lined Check Valves (Flanged) are lined internally with Ebonite Hard rubber so that media does not come in contact with metal. This Model is most suitable for corrosive/erosive applications. The overall dimensions of this valve will be similar to standard Ball NRV bur face. To face length will br more by 6-10mm. 

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Silent Foot Valves

  • SIZE RANGE 40mm TO 400mm
  • PRESSURE TESTING BODY: 1.5 X PN
  •   SEAT : 1.1 X PN
  •    
  • PRESSURE RATING -KPa  
  • 40mm TO 125mm PN 1.6
  • 150mm TO 300mm PN 1.0
  • 350mm & 400mm PN 0.6
  • INSTALLATION VERTICAL
  • TEMPERATURE SUITABLE UPTO 800C

This is a heavy duty foot valves having all the advantages of standard HGC NRV. HGC footvalves are excellent foot valves for  clear water, chemicals etc.

  • DESCRIPTION STANDARD MATERIAL ON REQUEST
    BODY/GUIDE/STRAINER CAST IRON (GG25) WCB/ST.STEEL
    PLUNGER S.G. IRON WCB/ST.STEEL
    SPRING STAINLESS  STEEL  
    SEAT RING L T BRONZE ST.STEEL
    FASTENERS CARBON STEEL ST.STEEL
    PAINT ENAMEL PAINT  
    END CONNECTION FLANGED
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Butterfly Valves

  • Pressure Rating PN 1.0 & PN 1.6 (KPa)
  • Pressure Testing a) Body : 1.5 x PN b) Seat : 1.1 x PN
  • Temperature (-) 400C to 2000C
  • Face to Face Dimension ISO - 5752 / IS - 13095/ BS - 5155
  • To suit flanges drilled as per IS, ANSI, BS, DIN Standards.
  • Operation Bi-directional
  • Painting Epoxy coated

The control application in pumping systems attracted Normex to come out with control Valves i.e. Butterfly Valves. The Normex Butterfly Valve superseded the Gate Valve, Ball Valve and Globe Valve in most spheres of applications. Gas tight sealing with excellent control characteristics and uni directional flow has qualified Normex Valves by most of the industries. The centrally mounted disc, shafts and bearings has minimised head loss. It’s low weight and compact design has achieved acceptability in industries like Chemical and Petrochemicals, Watertreatment, Agriculture and many • Excellent flow control in quarter turn operation • Low pressure drop • Low weight, low maintenance, long service life • 100% tight shut of   Salient Features Excellent flow control in quarter turn operation. Compact, space saving design. Bi-directional1 00% tight shut off. Low weight, low maintenance, long service life, Easy automation / retrofit possible. Stream lined valve disc for lower pressure drop. Both shafts mounted in bearing supports for easy operating torques. Suitable for mounting between all standard flanges. Gasket packing not required to install between flanges. Sizes: 40mm to 400mm   Application 1. Water treatment plants 2. Water distribution systems 3. Power Stations 4. Chemical / Petrochemical Industries 5. Steel Mills 6. Sugar Factories / Breweries 7. Sewage Plants 8. Process Industries 9. Seawater and Brine Pumping 10. Food Processing Industries 11. Mining Industries  

  • Part Description Std. mode of construction Options
    1 Body Cast Iron, GG - 25/ IS - 210 FG - 260/ BS - 1452 Gr. 260 SG Iron GGG 40 Cast Steel (WCB)
    Stainless Steel CF8 / CF8M
    2 Disc SG Iron, GGG 40 IS - 1865 SG 400/12/ BS - 2789 Gr. 240/12 Cast Steel (WCB)
    Stainless Steel CF8/CF8M
    Aluminium Bronze IS 305 Gr2
    3 Seat EPDM Black Nitrile, Neoprene, Viton, Silicon, Hypalon or as per customer's requirements.
    4 Shafts AISI 410 SS304/SS316
    5 Bearings Self lubricating
    Phosphor Bronze
    PTFE
    6 'O' Rings Nitrile EPDM, Neoprene
    7 Bush Polyacetal (Delrin) PTFE
    8 Taper Pin AISI 304/410 AISI 316
    9 Plug Carbon Steel ---
    10 Hand Lever MS CI / SGI / SS




  • A L D T E Wt(Kg)
    40 33 55.5 101 240 2.1
    50 43 64 111 240 2.8
    65 46 72.5 121 240 3.4
    80 46 79.5 128 240 3.6
    100 52 99 147 240 4.6
    125 56 115 159 240 6.3
    150 56 128 173 330 8.7
    200 60 156 199 330 12.2
    250 68 212 248 500 25.0
    300 78 239 270 - 32.0
    350 78 260 321 - 64.5
    400 100 298 345   69.4
    450 108 326 373  
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Spring Check Valve

  • TEMPERATURE SUITABLE UPTO 800C
  • INSTALLATION HORIZONTAL AS WELL AS VERTICAL

Spring check valve, This valves, when open, the annular area between the body & plunger available for flow, is equal to the nominal bore area. Therefore, unlike other spring loaded valves & conventional flapcheck valves, these valves offer lower head losses & maintains laminar flow. As 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 Aerohydro 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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  • Mayank Jindal
  • J - 511, M.I.D.C., Bhosari, Pune - 411 026,Maharashtra., Bhosari MIDC, Pune, Maharashtra - 110092, India