MacoTango supplies industrial control valves and automated valve packages configured for flow regulation, process isolation and project-specific applications across oil and gas, chemical, power, water treatment and other process industries.
MacoTango supplies pneumatic and electric control valves for flow, pressure, temperature and level regulation in oil and gas, chemical, power, water treatment and other process applications. Valve configurations can be reviewed against the service conditions, materials, actuation requirements and project specifications.
Compare globe, angle, three-way and self-operated control valves for industrial flow, pressure, temperature and level duties. MacoTango reviews the submitted operating cases, fluid data, required shut-off, materials and automation scope before proposing the valve, trim, actuator and accessory configuration.
The required function determines the starting product direction. The final choice still depends on the complete operating range, shut-off condition, fluid properties, installation and maintenance constraints.
For continuous control of flow, pressure, temperature or level, begin with a globe, angle or other modulating control-valve construction. Compare the required flow range, differential pressure, pressure recovery, normal operating position, shut-off requirement and actuator response before confirming the body and trim.
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High differential pressure, cavitation, flashing, gas or steam noise, erosive particles, corrosion or extreme temperature can change the body, trim, materials and actuator selection. These conditions require an application-specific review rather than a standard trim assumption.
Review Severe-Service Conditions
Use the required flow path, controlled stream, pressure balance, shut-off arrangement and failure position to evaluate a three-way control valve. Confirm whether the valve must mix two inlet streams or divert one inlet stream between two outlets.
View Three-Way Control Valves
A self-operated control valve may be evaluated when process pressure or temperature can provide the operating energy. Confirm the controlled variable, set range, available differential pressure, flow range, sensing arrangement and installation conditions.
View Self-Operated Control Valves
If the primary requirement is remote on-off isolation, compare actuated ball or butterfly valves instead of forcing the duty into a throttling-control category. Review shut-off differential pressure, leakage requirement, cycling, valve size, seat construction and fail action.
Use the Cv calculator to screen liquid, gas or steam operating cases before submitting an RFQ. Check the selected units and enter each operating case separately. A calculated Cv does not by itself confirm the final valve size, installed opening, cavitation, flashing, choking, noise, material selection or actuator sizing.
Define the documents required for technical approval, manufacturing release, inspection and final handover. We will confirm the included submittals, review stages, tests, acceptance criteria and final records in the quotation and order.
Shows the submitted operating cases and proposed valve, trim, materials, actuator and accessories. Missing inputs, assumptions and deviations remain visible for review.
Shows principal dimensions, end connections, flow direction and the valve–actuator arrangement for piping and installation review.
Defines which pressure-containing, trim and other components require material records, identification, PMI, retest or additional traceability.
Defines each requested inspection or test, including the method, conditions, acceptance criteria, witness points and record format.
Identifies the proposed actuator, sizing basis, utility supply, action, fail position, signal, feedback and included accessories.
Defines valve tags, purchaser or OEM nameplate data, marking language, packing marks and required export documents.
Have an ITP, datasheet or document register? Upload it with your RFQ.
Upload a datasheet, valve list, P&ID excerpt or project specification. Include the operating cases, fluid data, required shut-off, control signal, fail action, quantity and document requirements that are available. Mark unconfirmed values as TBD so they can be listed for clarification.
Submit a Control Valve RFQ Download the Control Valve Specification SheetA quotation can only be as specific as the submitted duty and confirmed scope.
Tell us what the valve must control, isolate or route. Upload your datasheet, valve list, drawing or project specification so the valve series, materials, trim, actuation, accessories and document scope can be reviewed together. If information is incomplete, mark the missing items as TBD and include the available operating data.
Provide the controlled variable, fluid composition and phase, minimum, normal and maximum flow, corresponding inlet and outlet pressures, operating and design temperature, line size, pressure class, end connection, shut-off requirement and all startup, shutdown, cleaning or upset cases that may affect selection. Also include the actuator, signal, fail action, quantity and document requirements where known.
Not automatically. The valve size should follow the required capacity and operating range for the selected valve construction. Pipeline reducers, velocity, cavitation, noise, installed opening and maintenance requirements may also affect the final arrangement.
No. Cv is one part of the sizing basis. Final selection may also require a check of valve opening across the operating range, pressure recovery, choking, cavitation, flashing, gas or steam noise, velocity, materials, shut-off load and actuator sizing.
Use pneumatic or electric actuation when the valve must respond to an external control or automation signal. Compare the available utility, required thrust or torque, operating time, fail action and site interface. A self-operated valve may be evaluated for local pressure or temperature regulation when process energy and the required set range support that method.
Requested datasheets, drawings, material records, inspection documents, test records, actuator information, nameplate data and export documents can be reviewed for inclusion in the quotation and order scope. State the required format, approval stage, acceptance criteria and witnessing requirements in the RFQ.
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