Home > Products > Valve > Valve Positioner > Samson TROVIS SAFE 3730-6 Electric Valve Positioner

Samson TROVIS SAFE 3730-6 Electric Valve Positioner

Samson TROVIS SAFE 3730-6 electric valve positioner adopts die-cast aluminum or stainless steel housing. It is a linear actuator product conforming to IEC 60534-6, VDI / VDE 3847 or SAMSON one-piece accessory. Samson TROVIS SAFE 3730-6 electric valve positioner can be used for the integrated EXPERTplus diagnosis of on-off valves of safety instrumented systems. Samson TROVIS SAFE 3730-6 electric valve positioner uses the TROVIS-VIEW software to configure through the computer through the SSP interface. Samson TROVIS SAFE 3730-6 electric valve positioner has a two-wire system with a small electrical load of 460Ω.

Product Features

Samson TROVIS SAFE 3730-6 electric valve positioner adopts die-cast aluminum or stainless steel housing. It is a linear actuator product conforming to IEC 60534-6, VDI / VDE 3847 or SAMSON one-piece accessory. Samson TROVIS SAFE 3730-6 electric valve positioner can be used for the integrated EXPERTplus diagnosis of on-off valves of safety instrumented systems. Samson TROVIS SAFE 3730-6 electric valve positioner uses the TROVIS-VIEW software to configure through the computer through the SSP interface. Samson TROVIS SAFE 3730-6 electric valve positioner has a two-wire system with a small electrical load of 460Ω.

The electropneumatic positioner is mounted on pneumatic control valves and is used to assign the valve position to the control signal. The positioner compares the electric control signal of a control system to the travel or opening angle of the control valve and issues a signal pressure for the pneumatic actuator.

The positioner consists of a travel sensor system proportional to resistance, an analog i/p converter with a downstream air capacity booster and the electronics with microcontroller. The positioner is fitted with three binary contacts as standard: A fault alarm output indicates a fault to the control room and two configurable software limit switches are used to indicate the end positions of the valve. The valve position is transmitted as a either an angle of rotation or travel to the pick up lever and to the travel sensor and supplied to an analog PD controller. An A/D converter transmits the position of the valve to the microcontroller. The PD controller compares this actual position to the 4 to 20 mA DC control signal (reference variable) after it has been converted by the A/D converter. In case of a set point deviation, the activation of the i/p converter is changed so that the actuator of the control valve is pressurized or vented accordingly over the downstream booster. This causes the valve plug to move to the position determined by the reference variable.

The supply air is supplied to the booster and the pressure regulator. An intermediate flow regulator with fixed settings is used to purge the positioner and, at the same time, guarantees trouble-free operation of the booster. The output signal pressure supplied by the booster can be limited by software. Both pressure sensors monitor the supply pressure ps and the signal pressure pout. The volume restriction Q is used to optimize the positioner.

Product Parameters

Product name Samson TROVIS SAFE 3730-6 electric valve positioner
Usage Challenge transportation time

Challenging environmental conditions

Throttle service

Safety Instrumented System

On/off service

Use external stroke sensor

Annex Linear actuator, single acting

Linear actuator, double acting

Rotary actuator, single acting

Rotary actuator, double acting

Explosion proof Type of protection “intrinsically safe”

No certification

Communication Not needed
Control loop 4 to 20 mA
Optional solenoid valve Need
Valve diagnosis Need
Load impedance ≤9.2 V (corresponding to 460 Ω at 20 mA)
Direction of action Reversible

Application and After-Sales Service

The main application areas of valve positioners include:
1. Coal gasification project
2. Clean energy gasification unit
3. Electricity
4. Hydrocarbons
5. Water supply and water treatment
6.Pulp and paper
7.Industrial environment
8. Food and beverage
9. Life sciences and other fields

After-sales service

Online support and Video technical support.

Inquiry:

*
*
Please Choose:
*
Hot Product
Name * E-mail *
Tel Country Message *
x