KOM · INDUSTRIAL VALVE DIRECTORY
Industrial Control Valves & Regulators
Compare 16 KOM valve groups for process control, shut-off, pressure regulation and tank nitrogen management. Review operating principles and selection requirements before requesting a quote.
Electric Control Pneumatic Control Pressure Regulation Tank Nitrogen Power & Steam
Electric Control Valves
Electrically actuated regulation, temperature-loop control and three-way flow control.
Electric control valve guide →
ZDLP/ZDLM
Electric Control Valve
An electrically actuated control valve for modulating process flow.
HOW IT WORKSA control signal commands the electric actuator to move the regulating element and change the available flow area. Confirm the trim arrangement for the selected variant.
TYPICAL APPLICATIONSIndustrial utility lines, heating systems and process flow, pressure or temperature-control loops, subject to fluid compatibility.
SELECTION FOCUSProvide flow cases and corresponding pressures; confirm trim, actuator thrust, power supply, control interface and loss-of-power behavior.
ZDLQ/ZDLX
Electric Three-Way Control Valve
An electrically actuated three-way valve for managing flow between connected circuits.
HOW IT WORKSActuator movement changes the opening of the connected flow paths. Mixing or diverting duty depends on the verified internal construction and port arrangement.
TYPICAL APPLICATIONSHeat-transfer circuits, process blending and bypass arrangements where a three-way configuration is suitable.
SELECTION FOCUSDefine the required flow paths, mixing or diverting duty, port identification, available differential pressure and actuator requirements.
ZZWPE
Electric Temperature Control Valve
An electrically operated valve used as part of a temperature-control loop.
HOW IT WORKSA temperature sensor and controller generate the actuator command, changing the heating or cooling-medium flow. Confirm whether sensing and control components are included.
TYPICAL APPLICATIONSIndustrial heating, cooling and heat-exchanger duties after the proposed valve configuration is checked.
SELECTION FOCUSSpecify the controlled temperature, heating or cooling duty, sensor location, load range and separate overtemperature protection requirements.
ZDLT
Electric Diaphragm Control Valve
An electric control valve using a diaphragm flow element, distinct from a pneumatic diaphragm actuator.
HOW IT WORKSIn a diaphragm valve, actuator movement changes the diaphragm position and the flow passage. The electric actuator and diaphragm assembly must be matched to the intended control duty.
TYPICAL APPLICATIONSProcess-fluid regulation where diaphragm and lining compatibility, if applicable, have been confirmed.
SELECTION FOCUSCheck diaphragm material, wetted construction, operating temperature, differential pressure, flow characteristic and actuator duty. Do not confuse this design with a pneumatic diaphragm actuator.
Pneumatic Control & Shut-Off Valves
Air-actuated control valves and on/off assemblies, grouped by their intended operating duty.
DZHP/DJHM
Pneumatic Diaphragm-Actuated Control Valve
A control valve with a pneumatic diaphragm actuator for modulating process flow.
HOW IT WORKSInstrument air acts on the actuator diaphragm to move the stem. A positioner, where included, adjusts actuator pressure in response to the control signal.
TYPICAL APPLICATIONSModulating service in process plants, utility systems and heat-transfer equipment after medium and construction review.
SELECTION FOCUSConfirm valve internals, instrument-air conditions, available thrust, positioner interface and the complete assembly's fail action.
ZJHPF46
Pneumatic Fluoropolymer-Lined Control Valve
A pneumatically actuated control valve with a fluoropolymer-lined flow path.
HOW IT WORKSPneumatic actuation changes the regulating opening while the specified lining separates covered wetted surfaces from the medium. Confirm the actual lining material and coverage.
TYPICAL APPLICATIONSChemical dosing, process feeds and corrosive-fluid duties where the verified lining is suitable.
SELECTION FOCUSIdentify chemical composition and concentration, temperature, solids, pressure differential and any vacuum condition; check lining and seat compatibility.
ZMAX/ZMBO
Pneumatic Three-Way Control Valve
A pneumatically actuated three-way valve for a specified mixing or diverting duty.
HOW IT WORKSPneumatic actuation moves the regulating element to redistribute flow through three ports. Internal construction and permitted flow directions must match the intended mixing or diverting duty.
TYPICAL APPLICATIONSTemperature-control circuits, process mixing and bypass flow arrangements after engineering review.
SELECTION FOCUSSpecify port mapping, flow split, pressure conditions, positioner interface and the required fail position.
ZSHO
Pneumatic O-Type Shut-Off Ball Valve
An air-actuated on/off ball valve with a circular flow opening.
HOW IT WORKSA pneumatic actuator rotates the ball to open or close the flow passage. Confirm the actual bore, seat design and required shut-off performance for the operating conditions.
TYPICAL APPLICATIONSProcess-line isolation and automated on/off duties where the valve, seats and actuator suit the medium.
SELECTION FOCUSCheck the actual bore, seat compatibility, operating torque, cycling frequency and required behavior on air or signal loss. Define any shutdown qualification separately.
ZSHRF
Pneumatic Fluoropolymer-Lined Ball Valve
A pneumatically actuated ball valve with a fluoropolymer-lined flow path.
HOW IT WORKSA rotary actuator turns the ball between operating positions. The specified lining protects covered wetted surfaces, with the sealing design and lining material confirmed for the order.
TYPICAL APPLICATIONSAutomated isolation of compatible corrosive process streams and chemical handling lines.
SELECTION FOCUSProvide fluid chemistry, temperature, solids and pressure/vacuum conditions; check lining coverage, seat design, actuation torque and safe operating limits.
ZMPQ
Pneumatic Diaphragm-Actuated Shut-Off Valve
A stem-operated shut-off valve with a pneumatic diaphragm actuator for on/off service.
HOW IT WORKSInstrument-air pressure moves the actuator diaphragm and stem to operate the shut-off element. The valve/actuator arrangement determines the final position on loss of utilities.
TYPICAL APPLICATIONSAutomated process isolation, utility switching and equipment-package on/off duties after configuration review.
SELECTION FOCUSSpecify allowable shut-off leakage, pressure differential, required stroke time, cycling duty, air supply and fail action; confirm the applicable test and acceptance requirements.
Self-Operated Pressure Regulating Valves
Local pressure regulation driven by process energy rather than a separately powered actuator.
ZZYP
Self-Operated Pressure Regulating Valve
A process-powered regulator for local pressure-control duties.
HOW IT WORKSA pressure-sensing element balances the controlled pressure against an adjustable force and moves the regulating element. Upstream or downstream control depends on the selected configuration.
TYPICAL APPLICATIONSUtility pressure regulation and process pressure-control duties within the selected regulator's operating envelope.
SELECTION FOCUSIdentify the controlled-pressure side and setpoint, inlet-pressure variation, flow range, sensing arrangement and allowed pressure deviation. Specify independent protection separately.
Nitrogen Blanketing & Venting Valves
Nitrogen admission and controlled venting are different duties within the tank pressure-management system.
ZZYVP
Self-Operated Nitrogen Blanketing Valve
A self-operated valve for controlled nitrogen admission to a tank vapor space.
HOW IT WORKSA blanketing regulator responds to tank pressure and admits nitrogen when the pressure falls below the selected control setting. Confirm the supplied regulator arrangement and sensing method.
TYPICAL APPLICATIONSStorage-tank and vessel blanketing where the stored product, nitrogen supply and process design are suitable.
SELECTION FOCUSConfirm tank pressure limits, nitrogen supply range, demand basis and coordination with venting and independent protective devices.
ZZVP
Nitrogen Blanketing Valve
A blanketing valve for regulating nitrogen supply to a tank gas space.
HOW IT WORKSThe blanketing control adjusts nitrogen inflow in response to sensed tank pressure. Confirm the sensing method and direct-acting or pilot-operated arrangement for the selected assembly.
TYPICAL APPLICATIONSInert-gas blanketing of compatible stored liquids and process vessels, subject to the tank-system design.
SELECTION FOCUSConfirm the configuration, sensing connection, supply and tank pressure conditions, required inflow capacity and separate pressure/vacuum protection.
ZZCP
Tank Nitrogen Venting Valve
A pressure-responsive valve for controlled nitrogen or vapor discharge from a tank system.
HOW IT WORKSA pressure-responsive venting control opens the outlet path as sensed tank pressure rises. Confirm the actual control action, construction and permitted discharge arrangement for ZZCP.
TYPICAL APPLICATIONSControlled nitrogen or vapor discharge to a suitable collection or vent system, subject to process and environmental review.
SELECTION FOCUSDefine vent demand, setpoint coordination, downstream back pressure, vapor composition and discharge destination. Do not assume this valve replaces emergency venting or independent pressure/vacuum protection.
Power Station & Steam Valves
Specialized power-plant control and steam pressure reduction require duty-specific engineering review.
Power and steam applications →
T968
Power Station Control Valve
A control valve for power-station duties selected against the project operating conditions.
HOW IT WORKSAn actuator positions the regulating element to vary flow. The selected actuator, trim and connections must suit startup, normal operation and other specified service cases.
TYPICAL APPLICATIONSPower-station water or steam-related duties only where supported by the selected model's engineering documents.
SELECTION FOCUSProvide startup and operating cases, fluid phase, pressure and temperature conditions, connection requirements and the engineering review needed for flashing, cavitation or noise.
Y43H
Steam Pressure Reducing Valve
A regulator for reducing steam supply pressure to a specified downstream operating pressure.
HOW IT WORKSA steam pressure regulator adjusts the main flow opening in response to sensed downstream pressure. Confirm the selected model's pilot or direct-acting construction and installation instructions.
TYPICAL APPLICATIONSSteam distribution branches, heating equipment and pressure-reducing stations within the verified service limits.
SELECTION FOCUSProvide steam condition, inlet-pressure range, downstream target and load range. Confirm sensing, drainage and the independent protective arrangement for downstream equipment.