Nakakita Seisakusho NS737S-D Pneumatic Valve Positioner
Item Specifications :
Brand: Nakakita Seisakusho
Model: NS737S-D
Product Type: Pneumatic Valve Positioner
Application Marking: Press. Control Valve for M.T. Gland Steam
Valve Marking: Make Up Valve
Input Signal: 20–60 kPa visible on plate
Supply Pressure: 140 kPa visible on plate
Output Pressure: 20–100 kPa visible on plate
Pressure Unit: kPa
Gauges: 3 x Pressure Gauges, 0–200 kPa scale
Port Markings: IN, OUT.1, OUT.2, P
Control Type: Pneumatic / Mechanical Positioner
Mounting Type: Panel / Valve Mounted Assembly
Harbourline Ship Management offers a Nakakita Seisakusho NS737S-D Positioner, designed for pneumatic pressure control valve operation in marine steam and automation systems. The unit is clearly marked “PRESS. CONTROL VALVE FOR M.T. GLAND STEAM” and “MAKE UP VALVE”, making it suitable for shipboard gland steam control applications.
This positioner assembly includes a mechanical actuator mechanism, pressure gauges, pneumatic input/output ports, control linkage, and internal spring-loaded operating arrangement. It is commonly used to receive a pneumatic control signal and regulate valve movement accurately for pressure control in marine machinery systems.
nameplate information includes Type: NS737S-D, Brand: Nakakita Seisakusho, input/output pressure markings in kPa, and dedicated function plates for M.T. Gland Steam and Make Up Valve service.
Features :
– Genuine Nakakita Seisakusho marine positioner unit
– Model clearly marked NS737S-D
– Designed for M.T. gland steam pressure control valve operation
– Marked for Make Up Valve service
– Pneumatic control signal based operation
– 3 pressure gauges for input, output and supply pressure monitoring
– Mechanical spring and linkage arrangement for valve positioning
– Multiple pneumatic ports marked IN, OUT.1, OUT.2 and P
– Strong metal body suitable for ship machinery environment
– Useful for marine steam control and automation systems
Application Field :
– Marine main turbine gland steam system
– M.T. gland steam pressure control valve
– Make up valve control system
– Ship steam pressure regulation system
– Marine pneumatic control panel
– Engine room automation system
– Boiler and steam auxiliary control
– Industrial pneumatic valve positioning
– Pressure control valve actuator system
– Ship repair, marine spares and automation maintenance
WORLDWIDE DISPATCH FROM BHAVNAGAR, INDIA
A spare sitting on a shelf in Bhavnagar is of no use to a vessel berthed in Rotterdam — so our dispatch desk is reachable around the clock and built to move fast. We routinely arrange same-day air freight from Mumbai and Ahmedabad to the major bunkering and crew-change ports worldwide, with documentation, customs and port-agent coordination handled in-house so the part lands at the gangway exactly when the vessel needs it.
WHAT EVERY DISPATCH INCLUDES
- Same-day air freight from Mumbai and Ahmedabad to major bunkering and crew-change ports worldwide, with faster routing when the requirement is urgent.
- Customs paperwork, export documentation and port-agent coordination managed end-to-end by our own team — not handed off to a third party.
- Every spare inspected and signed off by our marine engineers before it leaves the store, with photographs of the actual part shared before the PO is issued.
Once your order is confirmed we provide a clear dispatch timeline, and consignments are packed and routed to clear customs and reach the vessel inside your planned port stay. To get an availability check, quotation and dispatch estimate within the same working day, send us the engine make, the part description and your port of delivery — call +91 98256 45515 or email harbourlineshipmanagement@gmail.com, and our emergency dispatch lines stay open 24/7.
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