Regulating Valve for Refrigeration Systems Manufactured by Maniks

Regulating valve is a device used to control pressure, temperature, flow rate or some other parameters. These valves are designed for the applications where differential pressure is desired. They are often installed in the connection point between distinct heating systems and a consumer building to ensure that there is a constant differential pressure is available for the buildings heating systems.

Regulating valve is a device used to control pressure, temperature, flow rate or some other parameters. These valves are designed for the applications where differential pressure is desired. They are often installed in the connection point between distinct heating systems and a consumer building to ensure that there is a constant differential pressure is available for the buildings heating systems.


Maniks Regulating valve:
Maniks has designed a regulating valve used exclusively for the refrigeration applications. It is constructed to withstand in a high internal pressure. However, the piping system in general should be designed to avoid liquid traps and reduce the risk of hydraulic pressure caused by thermal expansion.
Temperature control process in refrigeration systems depends on the pressure control in different system. Therefore there should be a definite control on pressure of the systems is very important. This pressure is available with either upstream or downstream regulating valve.
The valve regulator is mounted in the suction line of refrigeration and air conditioning systems. They are used to maintain constant pressure corresponding to a constant temperature on the evaporator. Differential pressure regulators can also be mounted so they create a constant differential pressure across regulating valve.
http://www.maniks.com/regulating-valves.html
Features of Maniks Regulating valve
Connections:
· Butt-weld DIN (EN 10220) - DN 15 - 65 (3/8 - 2½ in.)
· Butt-weld ANSI (B 36.10 Schedule 80) - DN 15 - 40 (3/8 - 1½ in.)
· Butt-weld ANSI (B 36.10 Schedule 40) - DN 50 - 65 (2 - 2½ in.)
· Socket weld (ANSI B 16.11) - DN 15 - 40 (½ - 1½ in.)
· FPT inside pipe thread, NPT (ANSI/ASME B 1.20.1) - DN 15 - 32 (½ - 1¼ in.)
Housing:
· Housing is Standard MSVA angle-way or straight-way housing allowing other inserts from the MSVL platform to be installed.
· Material is special, cold resistant steel
Valve Cone:
· Versions - MREG-A with an A cone and MREG-B with a B cone. The A cone is designed for expansion lines, while the B cone is designed for regulating purposes e.g. liquid lines.
· (Regulating Valve)The valve cone is designed to ensure perfect regulation and provide an extensive regulating area. Irrespective of the refrigerant used, it is easy to obtain the correct capacity. A cone seal ring provides perfect sealing at a minimum closing momentum.
· The valve cone can be turned on the spindle. Thus there will be no friction between the cone and the seat when the valve is opened and closed.
Spindle:
· The spindle is made of polished stainless steel, which is ideal for O-ring sealing.
Packing gland:
· MREG-A and MREG-B
· The "full temperature range" packing gland ensures perfect tightness in the whole range: -60/+150°C (-76/+302°F). The packing glands are equipped with a scraper ring to prevent penetration of dirt and ice.
Technical Specifications of a Maniks Regulating Valve
· Refrigerants Applicable to HCFC, HFC, R717 (Ammonia) and R744 (CO2). Can be used in chemical and petro-chemical applications.
· Temperature range -60/+150°C (-76/+302°F)
· Max working pressure 52 bar g (754 psi g)
· Flow coefficients for fully opened valves from Kv = 0.15 to 80 m3/h (Cv = 0.17 to 92.5 USgal/ min).
Regulating Valve Installation:
Install the valve with the spindle up or in horizontal position. The flow must be directed towards the cone.
The Maniks regulating valve is designed to withstand high internal pressure. However, the piping system in general should be designed to avoid liquid traps and reduce the risk of hydraulic pressure caused by thermal expansion. For further information refer to product instruction for MREG- A and MREG-B.
Advantages of Maniks Regulating valve
Maniks are traditional supplier of these electromechanical devices they are recognized for their best quality products. Thus the regulating valve by Maniks is bit different have many advantage. Some of them are listed below
· Provides best quality product
· Cost efficient
· Assures better performance for long life
· Requires less maintenance
Applications of a regulating valve
These regulating valve have wide range of applications from household equipments to industrial use as
· Air Compressors
· Gas powered vehicles
· Mining industries
· Oil and gas industry
· LP gas applications
· Home appliances
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