R.K. CONTROL INSTRUMENTS PVT. LTD. Wagle Estate, Thane, Maharashtra

RK VOLUME BOOSTERS are normally used to reproduce pneumatic signals in 1:1 ratio whenever input isolation or increased flow capacity is required. These high capicity Volume Booster, with a fixed minimum deadband, are designed to substantially improve the stroking speed of large actuators. Actuators retain their normal slow and stable responses as long as their signal fluctuations remain within the deadband limits that are determined by adjustment of the equalizing bypass valve within the Booster.High stability which allow normal slow actuator response to slow signal changes, Capable of using high pressure plant air supply.

RK VOLUME BOOSTERS are normally used to reproduce pneumatic signals in 1:1 ratio whenever input isolation or increased flow capacity is required. These high capicity Volume Booster, with a fixed minimum deadband, are designed to substantially improve the stroking speed of large actuators. Actuators retain their normal slow and stable responses as long as their signal fluctuations remain within the deadband limits that are determined by adjustment of the equalizing / bypass valve within the Booster. Application : To reduce the response time, particularly of large actuator. Features: Quick response with increeased actuator stroking speeds Maintains correct actuator postioning at high stroking speeds Adjustable by pass valve provides good operational sensitivity High stability which allow normal slow actuator response to slow signal changes Capable of using high pressure plant air supply Different Booster sizes available to suit wide range of actuator sizes Main internal air supply valve with Soft seat insert for tight shut off Highly corrosion resistant with external stainless steel retaining screws and internal wear parts Stainless Steel and Aluminium construction available

RK VALVE POSITIONERS positions the Control Valve accurately with respect to the input signal from the controller, regardless of Packing box friction, actuator hysteresis or unbalanced forces on the valve plug. Thus, RK Valve Positioner ensures a reliable and accurate operation of Control Valve. Application : Accurate positioning of control valve in accordance with input signal Features: Minimizes the stem frictional force Fast response High accuracy & stability Based on pneumatic force - balance principle Employs a sensitive bellows Adjustable stroke range upto 4" provides flexibility to use with any actuator Direct and Reverse action option VP5 model can be used for rotary movement 60°/90° VP5 model can be used for double acting actuators Stainless steel version available in VP5 model Responds to extremely small changes in control signal Reduces time lag of the signal from the controller to the valve Useful for operating actuators with spring range higher than the control signal range, thereby reducing actuator size Permits split range operation of control valves Specifications : Input Signal 3 to 15 psig or 0.2 - 1.0 kg / cm2g as standard, split range available on request

THREE WAY VALVE is ideal for blending two separate flows, by having two inlets and a common outlet, or dividing a flow into two proportional parts by having one common inlet and two outlets. Pressure Ratings:ASME class 150 to ASME 600 (PN 10 to PN 100) Other standards available on request. Application: For high temperature fluid and particularly for textile industries, to mix or divert fluids.   Features: Linear ‘V’ port flow characteristics High Flow Capacity Tight shut off. Leakage capability better than ANSI class IV & consistent with normal single seat valve High rangeability Bellows seal (leakproof packing) available Valve is used for mixing or diverting services depending on customers requirement Full range of body & trim materials Wide range of interchangeable trim size, to handle wide range of process parameters Option of inner or outer seated design minimises flow instability Constructed with heavy duty parts for longer life Various pneumatic diaphragm actuator options with accessories

RK SERIES 10 CONTROL VALVES are produced by combining high technology engineering, modern manufacturing techniques & stringent quality control procedures. A wide variety of trim options, combined with design flexibility will satisfy majority of critical and non - critical applications found throughout the process, power and oil industries. Pressure Ratings: ASME class 150 to 2500 (PN 10 to PN 400) Other standards available on request. Application: To control large range of process parameters, specially for oil and gas production, power generation, chemical, petrochemical, fertilizer, pharmaceutical, sugar, processed food and other process industries.   Features: High flow capacity Spring & Diaphragm, Multi spring, Piston & Electrical Actuator options available Streamlined flow passage Tight shut off High rangeability Large variety of trim design varying from contoured trims to single stage ported and multiple stage low noise anti cavitation trims Suitable for high presure drop and other critical application Can be supplied with wide range of interchangeable trims sizes, to handle wide range of process parameters. Characteristics - Equal percentage, Linear and Quick open Bellows seal (leakproof packing) available Full range of body & trim material End connection to suit any pipe work configuration as per standard

RK SERIES SELF ACTUATED PRESSURE REDUCING VALVE is ideal for application where downstream pressure requirement is constant. They are used in various process lines, equipments & system, including water lines, Nitrogen Blanketing systems, Fuel control systems and LPG distribution systems. RK PRV provides a reliable and economic solution for Pressure Regulation. Pressure balanced design, any fluctuations in the inlet pressures has negligible effect on the regulated pressure, Pressure adjustment by single adjusting screw.

PRESSURE REDUCING VALVE is ideal for application where downstream pressure requirement is constant. They are used in various process lines, equipments & system, including water lines, Nitrogen Blanketing systems, Fuel control systems and LPG distribution systems. RK PRV provides a reliable and economic solution for Pressure Regulation. Pressure Ratings: ASME class 150 to 300 Application: Used in fertilizers, chemical, and pharmaceutical plant etc. and other process industries.   Features: Wide reduced pressure range Self actuating type, does not require any auxiliary energy Long trouble free service Valve Disc is reversible and can be changed quickly for renewed life Pressure balanced design, any fluctuations in the inlet pressures has negligible effect on the regulated pressure For Downstream or upstream pressure regulation Simple and economic design Minimum moving parts Flanged end, Socket end or screwed end connections Pressure adjustment by single adjusting screw  

RK PIPELINE DESUPERHEATERS provide a convenient method of reducing superheated steam or other vapours to temperatures approaching saturation. The superheated vapour is passed through a section of pipe into which is fitted a spray nozzle that produces dispersed droplets, from a supply of pressurised condensate. These fine particles promote almost immediate evaporation, the required heat being absorbed from the super heated vapour, thus reducing the temparatures Pressure Ratings: ASME Class 150 - 600. Condensate Connection : 1.1/2" ASME Class 900 - 1500 Condensate Connection : 2" Application: Generally applicable to Power and Sugar Industry.   Features: Temperature control to 6°C of saturation High rangeability variable area spray unit Accurate and repeatable control of fluid temperature High spray water pressure capability Tight shut off Wide range of available nozzle size Erosion resistant materials of construction Ease of installation, Low maintenance

RK SERIES 20 DOUBLE SEATED VALVE is ideal for control valve applications where tight shut-off is not an essential requirement.Optional anti - cavitation low noise trim option for high pressure drop application, Wide range of interchangeable trim sizes, to handle wide range of process parameters.

RK SERIES 20 DOUBLE SEATED VALVE is ideal for control valve applications where tight shut-off is not an essential requirement. Pressure Ratings: ASME 150 to 600 Other standards available on request. Application: For high flow and high pressure services.   Features: High Flow Capacity Minimum differential plug areas to reduce actuator force requirement Optional anti - cavitation / low noise trim option for high pressure drop application Characteristics - Equal percentage, Linear, Quick open Bellows seal (leakproof packing) available Heavy duty top and bottom guided construction Full range of body & trim materials Wide range of interchangeable trim sizes, to handle wide range of process parameters Constructed with heavy duty parts for longer life

DIAPHRAGM VALVES are used for application involving slurries, suspended solids, viscous or corrosive services or where tight closure (Bubble Tight Shut Off) is a prime factor. While primarily designed for on-off services, it will provide proportional control action when used with a positioner. Pressure Ratings: ASME 125 to 150 Application: Used in various types of industries, water treatment, thermal power, nuclear power, food and beverages, mining, petrochemical, refineries, fertilisers, steel, sugar etc..   Features: Casting standardized to IS210 grade cast iron Better sealing and longer diaphragm lilfe with the help of wier desgin Stronger bonnet design to take care of higher thrust and support to the diaphragm Diaphragm construction design with exclusively reinforced fabric Fail safe assembly on auto valves totally protects process-operation in the event of electrical power or air supply failure Available in various linings to handle different-fluids  

80 BUTTERFLY VALVES can either be used for throttling or Two position control of gas, liquid and fluid with suspended solids. With an elastomer or teflon sleeve, it can also handle corrosive fluids. Thereby, making RK Butterfly Valve a very versatile solution. Pressure Ratings: ASME class 150. Application: Steel, Sugar and textile industries and specially for fluid containing slurry particle. Used for on-off as well as control applications. Features: Wafer style connection for through bolting between flanges Concentric design as standard, offset design for special application Metal to metal or Sleeved type construction Choice of various elastomers or PTFE sleeves Tight shut off with rubber sleeves, leakage class VI Minimum obstruction for flowing media High Flow Capacity, very high Cv to body size ratio Simple & Light construction Sleeves easily replaceable at site Pneumatic diaphragm or rotary actuator options alongwith various accessories Flow characteristics approx equal % in the control range Ideal for low pressure application  

90 BALL VALVES is recommended for process mediums containing abrasive particles or solids. In such conditions, valve tightness is generally a prime factor to ensure reliable and safe operation of your plant. Primarily designed for On - Off application, RK Ball Valve can be easily adapted for control action between 10° to 60° opening, Thus, the same valve can serve as a throttling control valve or a tight shut off valve.

Pressure Ratings: ASME class 300 to 2500 (PN 40 to PN 400) Other standards available on request. Application: Specially for very high pressure drop and also used where the fluids contain solid particles.

RK AIR LOCK is a reliable unit for achieving stay-put condition of control valves, on air supply failure. The air pressure is blocked inside the diaphragm chamber (or piston cylinder) of the actuator, when the supply air pressure falls below the desired set valve. Quality materials are used and each unit is pressure and leak tested, to ensure long and trouble free operation.

RK FILTER PRESSURE REGULATOR is a reliable unit designed for instrumentation. The design is especially well suited to controllers and instruments besides actuators, air cylinders and a wide range of industrial pneumatic systems and equipment. RK Air Set is ruggedly designed and constructed and shows excellent performance characteristics. Quality materials are used, to ensure long and trouble free operation. Inlet Pressure : Upto 10 Kg / cm2 (150 psig) Outlet Pressure : 0 to 120 psig with spring ranges of 0 to 30 psig, 0 to 60 psig to 0 to 120 psig End connection : Inlet / Outlet / Gauge : 1/4" NPT (F) Filter Element : ABS plastic, 25 microns and 5 microns option Stainless steel option available   Features: Self - relieving Higher capacity and lower droop Soft seat construction in both the pressure reducing and relief section Aluminium or Stainless Steel Material option Rugged, corrosion - resistant construction Filter size options available to suit different applications Economic design with minimum moving parts Superior regulation characteristics Excellent stability and repeatability Effect of supply pressure variation is negligible Ideal for control valves and power cylinders

Sizes : 38 to 600 sq.in, Spring & Diaphragm Actuator 10” dia. to 24” dia. Piston Actuator   Features : 10" dia piston type(Double Acting/Single Acting) Linear Stroke Single Acting or Double Acting Multi spring actuator option for compactness High power Fast response Low hysterisis Field reversible Flexibility in selection of Springs Manual overide optional - Top Mounted or Side Mounted

Material : Metal

Certification : ISI Certified

Power : Pneumatic

Pressure : Medium Pressure

Port Size : 30inch, 40inch

Backed by a team of highly experienced professionals, we are involved in providing a wide range of ball valve.

Our company presents an assortment of butterfly valve that are available at competitive prices.

We provide a wide range of control valves.

We have gained expertise in retailing and wholesaling a wide range of filter pressure regulator.

We are a company which is engaged in the supply of globe valve.

Owing to our expertise in this domain, we are indulged in offering a broad spectrum of pressure reducing valves.