Nishtha Engineering Services

Valve automation house

Automated valve packages, sized and tested in-house

We convert manual valves into reliable automated assemblies — correctly sized actuators, the right accessories, and functional testing before dispatch.

Pneumatic actuator mounted on a stainless steel butterfly valve

How a package comes together

  1. 01Requirement studyWe review media, pressure class, differential pressure, torque, cycle time, fail-safe action and area classification.
  2. 02Actuator sizing & selectionTorque calculation with safety factor, then selection of pneumatic (rack & pinion or scotch yoke) or electric actuators.
  3. 03Assembly & accessoriesMounting kits, solenoid valves, limit switch boxes, positioners, filter regulators, speed controls and manual overrides.
  4. 04Testing & documentationFunctional cycle testing, stroke verification and leakage checks, supplied with test reports and wiring details.

Actuators and accessories

  • Pneumatic rack & pinion actuators
  • Scotch yoke actuators for large torque
  • Electric multi-turn & quarter-turn actuators
  • Solenoid valves (3/2 and 5/2, Ex-proof options)
  • Limit switch boxes & proximity sensors
  • Smart positioners (4–20 mA, HART)
  • Air filter regulators & lock-up valves
  • Manual gear override & handwheels

Retrofit an existing valve

Already have manual valves in the line? Share the make, size, class and operating conditions and we will propose an automation package with mounting hardware, control accessories and Vadodara-based support.

We also handle actuator overhaul, seal replacement and spares for installed assemblies.

Request a quotation

Share your specification — size, class, media and quantity — and we will revert with availability and pricing.