Stop Check Valve Used in Ammonia Refrigeration System Manufactured by Maniks - PowerPoint PPT Presentation

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Stop Check Valve Used in Ammonia Refrigeration System Manufactured by Maniks

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Stop check valve plays a vital role in many industries to protect boilers and related equipments. These valves are designed with the aim to regulate the flow and to prevent backflow. This kind of valves performs two different tasks in one. Maniks manufactures stop check valve since last thirty years. – PowerPoint PPT presentation

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Title: Stop Check Valve Used in Ammonia Refrigeration System Manufactured by Maniks


1
Stop Check Valve Used in Ammonia Refrigeration
  • Manufactured by Maniks

2
Maniks Stop Check Valve
  • Introduction
  • Maniks Stop Check Valve Design
  • Maniks Stop Valve introduction
  • Theory
  • Actual Use of Stop Check Valve
  • Stop Check Valve Design
  • Connections And Packing glands
  • Damping Chamber and etc.
  • Features of Maniks stop Check Valve

3
Maniks Stop Check Valve
  • Maniks Stop Check Valve

4
Maniks Stop Check Valve
  • Maniks Stop Check Valve Introduction
  • Stop check valve plays a vital role in many
    industries to protect boilers and related
    equipments. These valves are designed with the
    aim to regulate the flow and to prevent backflow.
    This kind of valves performs two different tasks
    in one. Maniks manufactures stop check valve
    since last thirty years.

5
Maniks Stop Check Valve
  • Theory
  • These valves are an altered rendition of the
    standard globe stop valve, which has the valve
    stem forever joined to the globe plate. In the
    stop check arrangement, the stem head skims in
    the globe circle. At the end of the day, they are
    by and large utilized as a globe valve to begin
    or stop the stream of the media, yet they
    additionally go about as a check valve to
    consequently close should weight be lost, in this
    manner averting reverse that could make harm
    hardware, for example, boilers or pumps.
  • The inside circle, which isn't connected to the
    stem, executes as a lift check enabling it to
    unreservedly climb and down when the stem is
    raised to alter the opening and shutting. If
    necessary, the stem can be physically brought for
    stream down to be halted or totally stopped.

6
Maniks Stop Check Valve
  • Actual USE OF STOP CHECK VALVES
  • These stop check valve are for the most part
    utilized as a part of energy plants, in
    applications, for example, heater course, steam
    age and kettle encourage water, turbine cooling,
    and starter water and wellbeing frameworks. They
    likewise are utilized as a part of different
    applications where channeling fashioners need to
    consolidate the properties of a globe and check
    valve. Such applications may incorporate
    high-temperature benefit, warm recuperation
    steam, high-weight security benefit, geothermal
    administration, utilities, oil generation and
    refining, wellbeing frameworks, shutdown cooling,
    and hydrocarbon preparing.
  • http//www.maniks.com/stop-check-valves.html

7
Maniks Stop Check Valve
  • Stop Check Valve Design Connections
  • Butt-weld DIN (EN 10220) - ME 15 - 125 (½ - 5
    in.)
  • Butt-weld ANSI (B 36.10 Schedule 80), - ME 15 -
    40 (½ - 1½ in.)
  • Butt-weld ANSI (B 36.10 Schedule 40), - ME 50 -
    125 (2 - 5 in.)
  • Socket-weld ANSI (B 16.11),- ME 50 (2 in.)
  • Packing gland (MSCA-X)
  • The "full temperature range" packing gland is the
    standard for the entire MSVL platform.
  • This ensures perfect tightness throughout the
    whole temperature range 60/150C (76/302F).

8
Maniks Stop Check Valve
  • Damping chamber
  • The chamber is filled with refrigerants (gas or
    liquid), which provides a damping effect when the
    valve opens and closes.
  • Housing
  • The housing is made from special, cold resistant
    steel.
  • http//www.maniks.com/

9
Maniks Stop Check Valve
  • Valve Cone
  • Valve cone with built in metallic stop -
    prevents damage to teflon ring in case of over
    tightening.
  • Spindle (MSCA-X)
  • Made of polished stainless steel, which is ideal
    for O-ring sealing.
  •  

10
Maniks Stop Check Valve
  • Features of Maniks Stop Check Valve
  • Applicable to HCFC, HFC, R717 (Ammonia) and R744
    (CO2).
  • Can be used in chemical and petro-chemical
    applications.
  • Modular Concept
  • Each check valves housing are available with
    several different connection types and sizes.
  • Possible to convert Stop check valve (MSCA) or
    check valve (MCHV) to any other product in MSVL
    family like regulating valve, stop valve or
    strainer. Just by replacing the complete top
    part.
  • Fast and easy valve overhaul service. It is easy
    to replace the top part and no welding is needed.
  • Designed to open at a very low differential
    pressure of 0.04 bar (0.58 psig).

11
Maniks Stop Check Valve
  • Thank You
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