Coimbatore Aeration Accessories
Ram Nagar, Coimbatore, Tamil Nadu
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Polyhydron Valves

Exporter of a wide range of products which include directional control valves, prefill valves, pressure switch, flow divider valve, check valves and counter balance valve.

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A Rotary Directional Control Valve is generally used for high pressure applications at low flow. These valves are used where leak-free closure is required.

Specifications:
Nominal flow and pressure ratings
Model Max. working pr. (bar) Max. flow
Port P, A, B T
4RDL Continuous
Intermittent
700
1000
110
(max.)
16 lpm


Additional Information:
  • Item Code: 4RDL
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We hold expertise in offering a quality approved range of Prefill Valve. Offered Prefill Valve is a hydraulic-pilot operated check valve with seat type construction. It allows free flow from port A to port B. Flow from port B to port A can be enabled by applying pilot pressure to it''s port X. It has a decompression feature which enables the valve to open in two stages progressively, allowing smooth and rapid exhaust of the compressed oil.


Features:


  • Integrated Seat provides high rigidity, high fatigue resistance and less deflection of the flange.
  • Encapsulated O-ring allows easy of assembly and prevents o-ring damage during assembly.
  • Simplified Cavity machining
  • Larger suction flange to reduce pressure drop in the suction line and consequently increase flow handling capability
  • Improved Pilot cylinder sealing to minimize pilot leakage and reduce frictional loss during operation.


Specification:

Maximum Flow (l/min)
SizeVelocity100125150200
Application A4.52120331047708480
Application B4.52120331047708480
Application C3.31516243035006220
Application D31410221031805650
Application E1.257088012702260



Additional Information:
  • Item Code: PV100-200-21Series
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Approx. Rs 10,000  / Unit/onwards Get Latest Price

Our clients can avail from us a wide range of Pressure Switch. These have a non adjustable differential type. The spring is loaded and has a sealed piston construction. These are encapsulated design for protection against dust. These are available in six pressure ranges, which can be adjustable upto 10, 50, 100, 200, 350 and 420 bar. Moreover, transparent plug-in connector is available with LED.


Specifications:
Model Max. Operating
pr. (bar)
Pr. Range
1PS 420 Adjustable upto
10, 50, 100, 200, 350 and 420 bar.

Additional Information:
  • Item Code: 1PS
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Product Details:
BrandPolyhydron
TypeFlow Control Valve
MaterialCarbon steel
Pressure315 bar

With rich industrial experience we are offering to our esteemed clients a wide range of Flow Divider Valve. These provide dual flow from a single source at a predetermined ratio, regardless of load. The maximum dividing error of these Flow Divider Valves is <5% and has a threaded port body. Besides, we offer our products at feasible prices in market.


Specifications:

Inlet Flow5 -1010 -1815 -3030 -100
Max. Pr. (bar)315
Dividing Ratio (%)50 : 50
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These seat type Check Valve allow free flow from port A to port B and give leak-proof closure in opposite direction. Available as inline mounting or Sub-plate mounting as per factory & ISO standards.

Specifications:
Nominal flow and pressure ratings
Model C06 *C08 C10 *C15 C20 *C25 C30
Max. working
pr. (bar)
315 315 315 315 315 315 315
Max. flow
l/min.
10 20 30 80 120 220 280
* : Available only in threaded type.

Additional Information:
  • Item Code: C
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Seat type Check Valve, Model CI with internal drain. Threaded or Sub-plate mounting construction. Available with two pilot piston size options only for Model CI.

Specifications:
Nominal flow and pressure ratings
Model Max. working
pr. (bar)
Max. flow
l/min.
CI10 315 80
CI20 315 160
CI30 315 350


Additional Information:
  • Item Code: CI
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We are counted amongst the top companies involved in offering a wide array of Counter Balance Valve. Offered Counter Balance Valves offer free-flow from their port B to A and give leak free closure in opposite direction upto a predetermined pressure. These are quality tested on various parameters before they are dispatched. Moreover, we also assure timely delivery of our products.

Specifications:

Construction Direct acting, seat type.
Mounting Threaded port body
Mounting position Optional
Direction of Flow From port A to B
Flow handling capacity (Nominal) Size 10 – 30 i/min, size 20 – 115 i/min
Operating pressure 315 bar
Cracking pressure Refer ordering code
Hydraulic medium Mineral oil.
Viscosity range 10 cSt to 380 cSI.
Fluid temperature range . -20 °C to +70 °C
Fluid cleanliness requirement As per ISO 16/13. or better.

Additional Information:
  • Item Code: CB-Series-03
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Manual Operated Directional Control Valve has Completely encapsulated control mechanism for protection against dirt. Five chamber design. Flexibility in rotating the operating mechanism by 90° x 4. Wide variety of spools available in subplate model only.

Specifications:
Nominal flow and pressure ratings
Model Max. working pr. (bar) Max. flow l/min.
4DL 10  Port P, A and B : 350
 Port T : 100
100

Additional Information:
  • Item Code: DL-10
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We are a leading company involved in supplying and trading a wide range of Flow Control Valve. These have check valve option for reverse-free flow and also have four rotations of hand knob to facilitate the setting with ease. Offered Pressure Compensated Flow Control Valves have a thumb screw provision to retain valve setting. In addition, these are highly reliable in nature.


Specifications:
Max. working pr. 315 bar
Flow controlling
capacity
Min. 0.25 to 4, 8,
16 or 32 l/min.
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With rich industrial experience we are into supplying and trading a wide array of High Low Pressure Control Valve. Offered Pressure Control Modules are consists of High pressure relief valve, a Check valve and a low pressure unloading valve of fine quality. In these unloading of pumps by Solenoid valve or Valves as an optional feature. Moreover, these are available in market at very reasonable prices.


Specifications:

Nominal flow and pressure ratings

Model

Max. pr. for 
High pr. relief 
(bar)

High pr. 
Flow (l/min)

Max. pr. For
unloading 
(bar)

Low pr. 
Flow 
(l/min)

PCM 06-06

400

25

50

25

Nominal flow and pressure ratings

Model

Max. pr. for 
High pr. relief 
(bar)

High pr. 
Flow (l/min)

Max. pr. For
unloading 
(bar)

Low pr. 
Flow 
(l/min)

PCM20-16

315

100

100

160

Nominal flow and pressure ratings
ModelMax. pr. for
High pr. relief
(bar)
High pr.
Flow (l/min)
Max. pr. For
unloading
(bar)
Low pr.
Flow
(l/min)
PCM20-0631525100160
PCM20-1031560100160

Additional Information:
  • Item Code: PCM-20
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These Modular Pilot Operated Check Valve are available with the pilot operated check valve facility on either ''A'' or ''B'' ports. The hydraulic opening operation for free flow in reverse direction is achieved by means of internal pilot pressure available from the other working port. Interface conforming to ISO 4401-AB-03-04-A, IS 10187, DIN 24340. To ensure proper closure of both valve poppets, both user connections should be unloaded when the control valve is in the neutral by connecting with the return line.

Specifications:
Nominal flow and pressure ratings
Model Max. working
pr. (bar)
Max. flow
in l/min.
CIM 06 315 35


Additional Information:
  • Item Code: CIM06
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We are engaged in offering a wide range of Modular Pilot Operated Check Valve. These Valves are available with the pilot operated check valve facility on either A or B or both A and B ports. The hydraulic opening operation for free flow in reverse direction is achieved by means of internal pilot pressure available from the other working port. To ensure proper closure of both valve poppets, both user connections should be unloaded when the control valve is in the neutral position by connecting with the return line.

Specifications:
Nominal flow and pressure ratings
Model Max. working
pr. (bar)
Max. flow
in l/min.
CIM 10 315 80

Additional Information:
  • Item Code: CIM10
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For the diverse requirements of our clients we are involved in offering a wide gamut of Modular Throttle Check Valve. We offer these in various technical specifications and models as per the requirements of our clients. Moreover, we also assure to deliver our products in a stipulated time frame.

 

Specifications:
Nominal flow and pressure ratings
Model Max. working
pr. (bar)
Max. flow
l/min.
TCM 10 315 100

Additional Information:
  • Item Code: TCM-10
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To furnish diverse requirements of our clients in the best possible manner we are involved in offering an extensive range of Modular Throttle Check Valve. These have double throttle cum check, non pressure compensated and modular construction. In addition to this, these can be used as Metering-in or Metering-out device. 


Specifications:

Nominal flow and pressure ratings
Model Max. working
pr. (bar)
Max. flow
l/min.
TCM 06 315 35

Additional Information:
  • Item Code: TCM-06
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Intended for Prefill Valve and exhausting of large hydraulic cylinders. Can be used as anti-cavitation check valves. Decompression feature is optional up to size 80.

Specifications:
Nominal Flow and Pressure Ratings
Model Max. working
pr. (bar)
Max. flow l/min.
Prefilling Exhausting
PV 40 315 152 304
PV 50 315 236 472
PV 63 315 372 744
PV 80 315 608 1216

Additional Information:
  • Item Code: PV40-80
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Pressure Holding Directional Control Valve is Designed for single acting cylinders which are supposed to hold pressure. Specially suitable for rubber moulding presses. Ensure smooth decompression prior to return of the cylinder ram. Available as standard & Quick Exhaust. Large return oil passages allows rams to return under low external forces. Valves with quick exhaust feature have 2.34 times larger return passages. Provided with manual opening in case of power failures. Valves can be connected in series for independent multiple single acting cylinder operations. The valve is actuated by a solenoid controlled pilot.

Specifications:
Flow passage areasValveModelP to A
P to B
B to T
Standard4DES20A3.1 cm²5.3 cm²
With quick
exhaust feature
4DES20A3.1 cm²12.4 cm²
Operating PressureFor ports P, A, B, C, G: 350 bar
For port T : 7 bar max.
Pilot Pressure35 bar.

Additional Information:
  • Item Code: DES-20
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Pressure Holding Directional Control Valve is Specially designed to control Up-stroking, gravity return, single acting hydraulic cylinders, where pressure holding, smooth de-compression and quick return of the ram is desired. These valves are totally encapsulated for trouble-free operations. valves with quick exhaust feature has large return passage to achieve extra fast return of the ram.

Specifications:
Nominal flow and pressure ratings
Model Max. working pr. (bar) Max. flow l/min.
Port P, A, B,
C and G
T P to A
P to B
B to T
( P = 1 bar)
DLS 20 350 7 180 350

Additional Information:
  • Item Code: DLS-20
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Keeping in mind the diverse requirements of our clients we are involved in offering a wide range of Direct Operated Pressure Reducing Valve. These are available in four pressure rating 25, 50, 100, 200 bar with primary pressure rating to 315 bar. Moreover, in this Direct Operated Pressure Reducing Valve pressure can be set by screw.

Specifications:
ConstructionDirect acting spool type
MountingSubplate mounting as per ISO 6403
Mounting positionOptional
Flow directionFrom port P to A
Operating pressureFor port P - 315 bar, For port A and B - 200 bar, For port T - 60 bar max
Hydraulic mediumMineral oil
Viscosity range10 cSt to 380 cSt
Fluid temperature range .-20 °C to +70 C
Fluid cleanliness requirementAs per ISO 16113
Mass1.54 kg

Additional Information:
  • Item Code: DPM
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Pilot Operated Pressure Relief Valves have High flow handling capacity, low pressure override, remote controllability and solenoid unloading possibility are the main features of these valves. Bodies available with threaded ports or sub-plate mounting style.

Specifications:
Construction Two stage poppet valve
Mounting Threaded bodies; company standards Sub-Plate Mounting IS06264
Mounting position Optional
Flow direction From port ''P to port T
Operating pressure For valves with internal drain For port P and X / 315 bar, For port T – 60 bar
Operating pressure For valves with external drain For port P and X / 315 bar, For port T – 315 bar, Fort port Y 60 bar
Hydraulic medium Mineral oil
Viscosity range 10 cSt to 380 cSt
Fluid temperature range . -20 °C to +70 C
Fluid cleanliness requirement As per ISO 16/13
Maximum flow handling capacity For valve size: 10 - 100 I/min., 20 - 200 1/mm, 30 - 400 l/min

Additional Information:
  • Item Code: PPR
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Being the leading names in industry we are engaged in supplying and trading a wide range of Direct Operated Pressure Relief Valve. These are direct acting valve and are guided with poppet design. Offered Direct Operated Pressure Relief Valves have a cushion arrangement for greater stability and noise control. Additionally, we also assure safe and timely delivery of our products.


Specifications:

ConstructionDirect acting, Poppet type.
Mounting style ...Threaded Cartridge, Threaded Port body or Subplate Type (Factory Std. & ISO Std.)
InterfaceFactory standard - Note : Subplate mounting valves having interface as per ISO 6264-03-04 and ISO 6264-06-09 are also available on request. Please ask for details
Mounting positionOptional.
Flow directionFrom P to T
Operating pressure for port P400 bar. (Standard model)
for port P .700 bar max .(for Model DPR06*700-11 only)
for port T315 bar
Pressure setting rangesUpto 25, 50, 100, 200, 315, 400 and 700 bar max.
Hydraulic mediumMineral Oil
Viscosity range10 Cst. to 380 Cst
Fluid temperature range .-20 °C to +70 °C
Fluid cleanliness requirementAs per ISO 16/13 or better.


Additional Information:
  • Item Code: DPR
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We are counted amongst the top companies involved in offering an extensive range of Return Line Filter. These are mainly threaded type and Sub-plate mounting style. These are well known because these can be spin on disposable canisters and integral by-pass check valve. Additionally, these have a paper element as a filtration media.

Specifications:
Nominal Flow and Pressure Ratings
ModelMax. working
pressure
Flow handling
capacity
Filtration
capacity
RF7 bar40 l/min.25 microns

Additional Information:
  • Item Code: RF
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Coimbatore Aeration Accessories

Mustafa Y. M.(Partner)
No. 218, Ranga Konar Street, Kattoor
Ram Nagar, Coimbatore - 641009
Tamil Nadu, India
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