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C. B. Trading Corporation
C. B. Trading Corporation


Rotex Valve Automation System

Rotex is leading Valve automation system manufacturer with almost all sizes of ball valves, butterfly valves and plug valves. There are more than 50000 valve automation systems running in the field. Huge installation are put up in Oil & Gas, Pharma, Power, Cement and other process industries. Rotex has emerge as leading manufacturer of Valve Automation system in India and World. It is one of the few companies in the world who manufactures all the Valve automation System accessories like Pneumatic Actuators, Limit Switch Boxes, Solenoid Valve, Positioners, Air Lock relays etc  in-house. This gives a Rotex a leading edge compare to competition in terms of Price, Quality & Delivery.

ROTEX Offered Wide range of valve are automated in our valve automation centre. Ball valve from ¿¿¿ inch class 150 up to 30 inch class 2500 can be automated and tested in our works.

Valve automation are automated using, Air lock relays, limit switch box and air filter regulators.

We use stainless steel bracket couplers optionally. As a standard we use steel bracket and coupler powder coated.

Manual override are available with latch delatch lever, worm and worm wheel type,

Hydraulic manual override can be installed on scotch yoke actuators.

Valve automation is completely tested with all accessories and readings like quick shut of valves are tested and recorded.

Quick shut down valves are automated in our automation centre. The quickest valve done so far is 20 inch class 2500 , triple offset butterfly valves with Scotch yoke actuator, shutting down in less than 0.5 sec.

Emergency shutdown valves are assembled with partial stroking device like Rotex PST using solenoid valve and limit switch box, or a smart Positioner.


Rotex Pneumatic Actuator

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Rotex Pneumatic Actuator
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Approx. Rs 10,000 / PieceGet Latest Price

Rotex Offers a wide range of Valve automation system which includes single acting Pneumatic actuator, Double acting Pneumatic Actuator, Regulating actuator, Stainless steel actuator, 180 Degree actuator,Rotary actuar. Rotex offers Actuators with Hard anodized Aluminum, Epoxy coated actuator with compact & light construction in nature.
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Rotex Pneumatic Ball Valve

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Rotex Pneumatic Ball Valve
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Approx. Rs 10,000 / PieceGet Latest Price

BALL VALVE WITH ROTARY ACTUATOR

FEATURES :

  • Well aligned assembly.
  • Accurately machined bracket & coupler. Perfect location.
  • Ease in dismounting even without affecting valve functional position.
  • Longer life due to extra overtravel.

DESIGN :

  • Standard Non fire safe .
  • Fire safe as per BS : 5351.
  • Fire tested as API 607 1993, 4th Edition.
  • Floating ball / trunion mounted ball valve.
  • Top entry ball valve.
  • Single piece.
  • Two piece.
  • Three piece.
  • 3 way `T` Port.
  • 4 way.
  • Screwed #800 to #2500.
  • Socket weld #800 to #2500.
  • Butt weld #800 to #2500.
  • Flanged #150 to #2500.
  • Lined valve.
  • V-notch valve.
  • Jacketed Valve

MATERIAL :

  • Forged steel / Stainless Steel.
  • Cast steel / Stainless steel.
  • Alloy steel.
  • Special materials on request.

OTHER :

  • Metal seated.
  • Plastic body valve.
  • Cryogenic valve.
  • Sanitary / food grade valve.
  • Double Block & Bleed type
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Rotex Stainless Steel Ball Valve with Rotary Actuator

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Rotex Stainless Steel Ball Valve with Rotary Actuator
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Approx. Rs 10,000 / PieceGet Latest Price

Salient Features:

  • Well aligned assembly.
  • Accurately machined bracket and coupler. Perfect location.
  • Ease in dismounting even without affecting valve functional position.
  • Longer life due to extra over travel.

DESIGN:

  • Standard non fire safe.
  • Fire safe as per BS: 5351.
  • Fire tested as API 607 1993, 4th edition.
  • Floating ball / trunion mounted ball valve.
  • Top entry ball valve.
  • Sinle Piece.
  • Two Piece.
  • Three Piece.
  • 3 way `T` Port.
  • 4 way
  • Two Piece
  • Screwed #800 to #2500.
  • Socket weld #800 to #2500.
  • Butt weld #800 to #2500.
  • Flanged #150 to #2500.
  • Lined valve.
  • V-notch valve.
  • Jacketed Valve

MATERIAL:

  • Forged steel / Stainless steel.
  • Cast Steel / Stainless steel.
  • Alloy steel.
  • Special materials on request.

OTHER:

  • Metal seated.
  • Plastic body valve.
  • Cryogenic Valve.
  • Sanitary / Food grade valve.
  • Double block & bleed type
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Rotex Pneumatic Butterfly Valve

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Rotex Pneumatic Butterfly Valve
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Approx. Rs 10,000 / PieceGet Latest Price

BUTTERFLY VALVE WITH ROTARY ACTUATOR

FEATURES :

  • Ideal for clean fluids and line size above 50 NB.
  • Tight shut off available.
  • Longer seat life with the end stroke adjustment of the actuator.
  • Suitable for control duty

DESIGN :

  • As per AWWA : C504 and BS : 5155.

 

TYPE :

 

  • Centerline
  • Double Ecentric, High Performance type.
  • Triple Ecentric for light shutoff.

CONSTUCTION :

 
  •  Single body / Split body wafer type.
  • Single body / split body lug type.
  • Single body / Split body flanged type.

END CONNECTON :

 
  •  Wafer type / Lug type in rating PN6, PN10, PN16, PN25, PN40, PN100, PN200, PN400.
  • Flanged type in rating #150 #300 #600.

MATERIAL:

  • Cast iron, Ductile iron, cast carbon Steel.
  • Cast Stainless Steel.
  • Special Material on request.

OTHER :

 
  •   Metal seal Dampers (Leakage class II).
  • Metal seated tight shut off.
  • Fire safe butterfly valve.
  • Lined Butterlfy valve.
  • Sanitary service Butterfly valve
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Rotex High Performance Heavy Duty Actuator

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Rotex High Performance Heavy Duty Actuator
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Approx. Rs 10,000 / PieceGet Latest Price

With Innovative design, latest Technology, highly proficient manpower, Excellent reliability and superior performance, ROTEX offers wide range of Heavy duty actuators which includes,

Scotchyoke Actuator with Torque limit up to 830 Nm to 600000 Nm.

Pneumatic & Hydraulic rack & pinion actuator with female shaft drive having torque limit up to 830 Nm to 260000 Nm

Heavy duty Rack & Pinion actuatore with Male shaft drive with Torque limit 200 Nm to 20720 Nm

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Rotex Double Acting Pneumatic Actuator

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Rotex Double Acting Pneumatic Actuator
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Approx. Rs 10,000 / PieceGet Latest Price

Salient Features :

  1. Double Rack & Pinion construction.
  2. Maximum Working Pressure 8 bar, contact ROTEX for higher pressure
  3. Life more than 1 million cycles.
  4. Hard anodized body providing high corrosion resistance.
  5. Additional lubrication is not necessary.
  6. Anti blow-out pinion.
  7. Pinion supported on large area of polyacetal bearings.
  8. Temperature range : NBR -20 °C to + 80 °C
    PE -40 °C to + 110 °C
  9. Can be converted to single acting by Just adding springs.

End Stroke (0°)

  1. Ideal for setting the closed position of the Butterfly Valve.
  2. Set the closing position against the pinion.
  3. 10° over travel setting possible for closing.
  4. Strong machined cam for locking.
  5. 5° under traveling can be adjusted.

END STROK (90°)

  1. Setting the perfect opening and closing of the Ball Valve,
    will ensure a long life of the Ball Valve seats.
  2. Extremely important for Pipe line pigging application.
  3. +10° over travel setting possible for opening.
  4. 5° under traveling can be adjusted.

Anti Blowout

  1. Integral stong Aluminum key provides firm locking of the pinion, thus eliminating movement under pressure
  2. Acts like internal bearing to avoid interference of rack and pinion
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Rotex Single Acting Pneumatic Actuator

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Rotex Single Acting Pneumatic Actuator
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Approx. Rs 10,000 / PieceGet Latest Price

Salient Features :

  1. Unique Spring Retainer Construction.
  2. Pre compression leads to longer spring life.
  3. Easy assembling & dismantling of various combination of spring sets.
  4. Modular spring construction permits combination of springs to generate optimim torque.
  5. Eliminates need for special tools & keys.
  6. No lubrication required for springs.
  7. Safe handling & dismantling.

Large Bearings :

  1. Large bearing area to reduce load
  2. High tech polymer for low friction
  3. Triple point bearings one on top of rack,second on piston OD,
    thid by piston key rolling on pinion.

ISO Pad:

  1. Valve mounting as per ISO 5211 with an additional one higher size pad.
  2. Standardisation of mounting accessories
  3. ISO Centering ring for precise location.
  4. Octagonal drive shaft for ease of mounting.

Sring :

  1. Gr. III epoxy coated springs having high corrosion resistance.
  2. Modular springs set catering to various valve torque characteristics.
  3. Non buckling modular spring design.
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Rotex Rotary Actuator Corrosion Protection Options

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Rotex Rotary Actuator Corrosion Protection Options
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Approx. Rs 10,000 / PieceGet Latest Price

BODY:
Hard Anodized Aluminum : (Standard)

  • Special Aluminum alloy is used as a base metal.
  • Hard anodizing of Aluminum results in better corrosion protection, surface hardness and superior wear resistance
  • 50 µm thickness of the controlled oxidized surface of the alloy comprises primarily of Aluminum trioxide crystals along with Magnesium, Tungsten Oxides which makes the surface chemically inert and extremely hard (in excess of 45 ° Rc).
  • The surface can withstand all environmental oxidation including, those of saline, except strong alkaline by the surface.
  • The oxidized Aluminum base metal cannot be peeled, making it an extremely stable surface treatment.

Electroless Nickel Treatment: `EN`

Nickel is deposited on the aluminium surface by its chemical reaction on the body, which is hard Anodized. This treatment covers the crevices including the threads and the passage hole making the surface absolutely non-porous and corrosion free.Superior corrosion resistance as compared to hard anodizing, makes this treatment a suitable choice for corrosive environments. Ideal for external wash.

Epoxy Coated Actuator: `cl`

The two pack eopxy coating is done on a Hard Anodized surface of the Aluminium body by the spray technique. It produces a 30µ - 40µ thick layer (only external surfaces). This epoxy coating helps in protecting the actuator from extremely corrosive environments. Choose this option specially for alkaline environments. It is also suitable for environments like Ammonia, Ammonia etc. ROTEX guarantees 500 hrs. salt spray test.

PINION :
Electroless Nickel Plated: (Standard)

Standard surface treatment given to the pinon shaft of Steel (EN 8).
Adequated for most applications including corrosive environments.
The square dive is machined to meet the close tolerances.

Stainless Steel: `8/8M`

Optionally available for aggressive environments. Pinion can also be supplied in SS304 / SS316.

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Rotex Regulating Actuator (Electro Pneumatic Positioner)

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Rotex Regulating Actuator (Electro Pneumatic Positioner)
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Approx. Rs 10,000 / PieceGet Latest Price

Salient Features:

  • Backlash free operation between rack & pinion makes ROTEX actuators suitable for regulation duty coupled along with positioned (pneumatic or electro-pneumatic).
  • Long life of the Actuator seals, the non wearing characteristic of mechanical parts ensure that the control action is mentioned over the life time of the Actuator.
  • Can be coupled along with various types of valves (ball, V port Ball or Plug, Segment Ball, Butterfly, Plug) or Louvers & Dampers for variety of applications.

Typical control schemes along with the regulating Actuator includes provision for :

  • Air failure safety includes stay put or fail safe operation like full close or full open.
  • Power failure safety including stay put or fail safe operation like close full open.
  • Both air & power failure safety including above.
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Rotex Pneumatic Plug Valve

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Rotex Pneumatic Plug Valve
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Approx. Rs 10,000 / PieceGet Latest Price

PLUG VALVE WITH ROTARY ACTUATOR

FEATURES :

  • Ideally suited to aggressive corrosive & potentially hazardous media.
  • Absolute tight shut off in case of sleeved plug valve .
  • Long life due to taper plug construction .
  • Frequent Operations possible.
  • Longer Life.
  • Suited for slurry application.
  • Line plug vale suited for corrosive service On/Off or Control Duty

DESIGN :

  • As per BS:5353 (Sleeved plug valve).
  • Fire safe as per API6D. Fire tested to API6FA.

TYPE :

 
  •  Lubricated, Tapper plug valve.
  • Pressure balanced, Inverted plug valve.
  • Sleeved Plug Valve

CONSTRUCTION :

 
  •   2 way.
  • 3 way side entry/bottom entry.
  • 4 way .
  • 5 way bottom entry.

 

END CONNECTION :

 

 
  •  Screwed #800 to #2500.
  • Socket weld #800 to #2500.
  • Buttweld #800 to #2500.
  • Flanged #800 to #2500

MATERIAL :

 
  • Cast iron.
  • Double iron.
  • Cast steel/ Cast Stainless Steel
  • Alloy Steel.
  • Special Materials on request.

OTHERS :

  • Lined Plug Valve.
  • V-port plug Vale.
  • Jacketed plug Valve.
  • Sanitary Service Valve
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Rotex 3 Position Rotary Actuator

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Rotex 3 Position Rotary Actuator
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Approx. Rs 10,000 / PieceGet Latest Price

Features:

  • The actuator is suitable for coarse - fine adjustment, typically for batchnig operations or processes.
  • The actuator has to be spring return
  • The operation sequences fixed from full open, partial open to full close.
  • Infinite intermediate positions are possible with the limit switch.
  • It can be fine tuned to the application easily
  • The settings can be changed at site with ease, by simply adjusting the third cam provided.
  • It is applicable for 90° or 180°
  • Any Rotex spring return actuator can be converted into this arrangement by adding Rotex limit switch along with Rotex NAMUR valve type 30138.
  • The accuracy and repeatability depends upon the air pressure variation, change in the torque of ball valve, change in density and the pressure of media, etc.
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Rotex3 Position Rotary Actuator(double Acting/single Acting)

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Rotex3 Position Rotary Actuator(double Acting/single Acting)
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Features:

 

  • The actuator is suitable for coarse - fine adjustment typically
    for batching operation processes.
  • The repeatability is 100% since stopping is by mechanical stoppers.
    It is suitable for application calling for precise fine coarse adjustment
    like liquid filling system.
  • The actuator can be switched to one position from any position very
    easily with the solenoid control.
  • The 3rd position is achieved by the mechanical stopping of the
    piston movement in the return stroke by pneumatic stopper pistons.
  • The Intermediate position is present at 20% opening. The opening
    can be adjusted as required by the set screw. This is field adjustable.
  • The actuator as standard works in reverse action as opposed
    to conventional configuration i.e. piston inward stroke opens the
    valve & piston outward stroke closes the valve.
  • The end stops (+/- 10°) are provided on the closing & opening side
    of the actuators for setting valve closing precisely.
  • The springs can be provided to bring actuator to mid position
    as a standard (optional attachment).
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Rotex 180 Degree Rotary Actuator

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Rotex 180 Degree Rotary Actuator
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Approx. Rs 10,000 / PieceGet Latest Price

Rotex 180 Degree Rotary Actuator(Double Acting/Single Acting)

Features:

  • Ideal for line size above 50 NB.
  • Compact and light construction.
  • Tight shut off available for longer seat life, with the end
    stroke adjustment of the actuator.

Double Acting / Single Acting Features:

  • Suitable typically for 3 way valve requiring ON-OFF operation.
  • Available in both Single Acting (Spring Return) or Double Acting Versions.
  • Single acting 180° actuator can provide centre off for 3 way ball valve,
    bottom entry by choosing the option of 3 position.
  • Can be converted to 3 Position 0 - 90° - 180° actuator for 3 way valves using ROTEX Limit Switch & NAMUR Valve type 30138.
  • End stop adjustment provided for opening & closing direction as a standard
  • Actuator mounting is as per ISO 5211 and accessories to NAMUR .
  • 180° Actuator has 50% of torque value, of that of 90° Actuator.
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