Offering you a complete choice of products which include 1 ps pressure switch, rf return line filter, rotary directional control valve, dcv lever operated pressure holding, solenoid operated directional control valve and lever operated directional control valve.
Completely encapsulated mechanism for protection against dirt. Five chamber design for better reduction in dynamic forces and longer valve life. Available as spring centred, spring off-set or detented model. Operating head can be rotated by 90° x 4 around spool axis for flexibility in mounting. Valve mounting interface conforms to ISO 4401-03-02. Five chamber body and spool design provides low-pressure drop, with maximum performance. Balanced spool design ensures proper shifting force for maximum reliability and long life.All spools and bodies are interchangable, simplifying maintenance.
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Solenoid Operated Cartridge Directional Control Valve
Completely encapsulated mechanism for protection against dirt. Five chamber design for better reduction in dynamic forces and longer valve life. Mounting styles — Subplate body. Available as spring centred, spring off-set or detented model. Operating head can be rotated by 90° x 4 around spool axis for flexibility in mounting. Valve mounting interface conforms to International and National Standards. Port configuration conforms to Factory Standards.
Completely encapsulated mechanism for protection against dirt. Available as spring centred, spring offset or detented model. Internal or external drain available as an optional feature. Valve mounting interface conforms to International and National standards.
4-port, spool type, directional control valves with hand lever actuation and wide variety of spool types with spring-centered, spring-offset and de-tent arrangements.
Five chamber body and spool design to facilitate high flow.
Conforms to 1504401-03, NFPA T3.5.1 and ANSI 893-7 D03 interface.
Available in 52 standard, interchangeable spool configurations.
New fully encapsulated hand-lever mechanism for protection against ingress of dirt. High flexibility in mounting and operation - The operating head can be Rotated 4 x 90° around the spool axis The operator head can be relocated towards port b of the valve. - Hand Lever can be rotated so that it is parallel to the axis at neutral condition.
Special R-rings for high extrusion resistance. Increased stability under high dynamic condition.
The Covers CVC*R are designed to hold Polyhydron make 2 port slip-in cartridge valves model CV" in the cavities machined as per ISO 7368, and are meant to create a pilot operated relief function, when combined with a valve having a poppet area ratio of 1:1.
The covers have options of having pressure adjustment facility by means of Set screw or a Hand knob. Clockwise rotation of the screw increases the pressure setting.
These covers are also available with an optional facility to mount on them, a Solenoid operated Directional Control Valve to give the combination an added feature of unloading a pump or regulating pressure and exhausting a cylinder side by means of an electrical signal to the Solenoid.
Pilot operated Check valves model CL allow free flow in the direction from Port A to Port B and offer leakage free closure in opposite direction. Reverse flow can be achieved by applying pilot pressure to their Port X. These valves are meant for applications where the reverse flow (from Port B to Port A) encounters resistance downstream of the Port A. The intensity of pilot pressure required to keep the valve open during reverse flow depends upon the valve model, pressure at Port A and pressure existing at the Port B when the reverse flow starts. Pilot pressure can be calculated using formulae given below.
In most cases, smooth decompression and opening of the valve for flow from Port B to Port A can be effectively achieved by controlling pressure and flow to the Pilot Port X. However, in certain cases it is necessary to decompress the oil in the cylinder first before admitting the oil in the cylinder for the return stroke for smooth reversal.
Throttle check valves model TCM 06 are meant for controlling flow in one direction in circuit by simple throttling of flow.
Reverse flow is free and is independent of throttle condition in opposite direction in same path. the valve is available with throttle check valve facility on either A port, B port or A and B ports.
These are non-pressure compensated flow control valves and therefore offer constant flow for a given setting, only if the pressure drop across the throttled passage is constant
The valve can be converted from meter-in condition to meter-out condition by simply rotating the body along its longitudinal axis by 180 degree, while being installed. Rotation of the throttling screw in clockwise direction, increase the pressure drop in the path.
For locking the setting, a check nut is provided For proction of the setting, a protective cap is provided
Throttle check valves model TCM 10 are meant for controlling flow in one direction in circuit by simple throttling of flow. Reverse flow is free and is independent of throttle condition in opposite direction in same path. The valve is available with throttle check valve facility on either A port, B port or A and B ports.
These are non-pressure compensated flow control valves and therefore offer constant flow for a given setting, only if the pressure drop across the throttled passage is constant.
The valve can be converted from meter-in condition to meter-out condition by simply rotating the body along its longitudinal axis by 180 degree, while being installed.
Rotation of the throttling screw in clockwise direction, increase the pressure drop in the path. For locking the setting, a check nut is provided For proction of the setting, a protective cap is provided
Prefill and Exhaust valves model PV" are seat type check valves, allowing free flow from its port A to port B and leak-free closure in opposite direction. For reverse flow, these valves can be opened by applying pilot pressure to its port X.
The valves are designed for the purpose of pre-filling large cylinders during their rapid approach motions, which are actuated mean like a pair of kicker cylinders or jack up cylinders or by gravitational force.
These valves have very low cracking pressure and generous internal passage to help them to offer least possible pressure drop while pre-filling.
Due to low pressure drop, these valves also can handle much higher exhaust flow enabling rapid return of the cylinders.
For connectivity, it's A port is machined as per Port dimensions for Flanged connection ISO 6162.
The special cavity for the B port helps the user to mount these valves directly on the cylinders, thus further reducing the pressure drop in the line.
A hydraulic system having Prefill valve without decompression feature, must have an external arrangement of decompressing the oil in the cylinder, before the valve is opened.
Description Seat type valves Allow free flow from port A to port B and offer leakage free closure in opposite direction. Available in four sizes of standard interfaces conforming to ISO 5781 IS 10187 DIN 24340 Each model available with options of four cracking pressures • 0 5 1 5 3 and 5 bar.
Double pilot operated check valves series 2C110T provide pressure holding facility on service ports Al and Bl.
The valve opens and allows free return flow, when the other working port is pressurized.
The valve is not suitable for holding pressure on rod end side of Double acting cylinders , where ratio ( Bore area : Annullus area ) is equal to or greater than 3.5.
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PV 100 - 200 Prefill Valve
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-20 Deg C to 80 Deg C
The Prefill Exhaust Valve (PV) 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.
The decompression feature enables the valve to open in two stages progressively, allowing smooth and rapid exhaust of the compressed oil. Opening and closing time of the valve can be influenced by providing Throttle-Check Valves in the X port line.
Flanged port A of the valve housing can be rotated around verti-cal axis through 360° to facilitate access to flange fixing bolts and flange orientation
The cartridge valves with model CV are used to control oil pressure flow rate or direction and are designed for insertion into cavities machined as per ISO 7368. These cartridges are available in two area ratios , four cracking pressures and seven poppet styles. The covers are available for different functions like directional control, pressure control, unloading, flow control etc.
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Cover For 2 Manual Pressure Setting, Electrically Selectable
The Covers CVC 2RS are designed to hold Polyhydron make 2 port slip-in cartridge valves model CV*** in the cavities machined as per ISO 7368, and are meant to provide duel pressure Pilot operated Relief function, using combination of a Slip-in Cartridge having a poppet ratio of 1:1, and two Relief valves, selectable by means of energizing a solenoid valve mounted on it.
Please note that difference in the pressure setting between the 1st Relief valve and the 2nd Relief valve (as marked in the circuits below) must be minimum 10 bar; 2nd Relief valve being set at lesser pressure of the two.
By using a Double solenoid valve as shown in the circuit, an additional unloading function can also be achieved by the cover.
The covers CVC X are designed to hold polyhydron make Cartridge valves model CV" in cavities machined as per ISO 7368, and to provide oil passage to their control port C via X port provided on the cover to control the opening and closing operation of the cartridge valve.
The passage has an orifice screwed into it, for influencing the rate of opening and closing of the poppet of the cartridge valve, there by reducing / eliminating shocks in the main circuit oil flow. The threaded port on the cover can also be used for diagnostic purpose or for parallel supply of oil to some other function. This is particularly useful for the onsite modifications to the circuit.