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Wouda pumping station

Coordinates: 52°50′45″N 5°40′44″E / 52.84583°N 5.67889°E / 52.84583; 5.67889
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Wouda pumping station
UNESCO World Heritage Site
Official nameir. D.F. Woudagemaal (D.F. Wouda Steam Pumping Station)
LocationTacozijl [nl], Lemsterland, De Fryske Marren, Netherlands
CriteriaCultural: (i), (ii), (iv)
Reference867
Inscription1998 (22nd Session)
Area7.32 ha (18.1 acres)
Buffer zone20.68 ha (51.1 acres)
Websitewww.woudagemaal.nl/en
Coordinates52°50′45″N 5°40′44″E / 52.84583°N 5.67889°E / 52.84583; 5.67889
Wouda pumping station is located in Friesland
Wouda pumping station
Location of Wouda pumping station in Friesland
Wouda pumping station is located in Netherlands
Wouda pumping station
Wouda pumping station (Netherlands)

The ir. D.F. Wouda Steam Pumping Station (ir. D.F. Woudagemaal) is a pumping station in the Netherlands, and the largest still operational steam-powered pumping station in the world. On October 7, 1920 Queen Wilhelmina opened the pumping station. It was built to pump excess water out of Friesland, a province in the north of the Netherlands. In 1967 the 47 years old coal furnaces were converted to run on heavy fuel oil. It has a pumping capacity of 4,000 m3/min (1,100,000 U.S. gal/min). The pumping station is currently used to supplement the existing pumping capacity of the J.L. Hooglandgemaal in Stavoren in case of exceptionally high water levels in Friesland, which usually happens a few times each year.

-4 tandem compound, reciprocating steam engines, with poppet valves:

  • Single acting high pressure cylinder, 0.5 m diameter.
  • Double acting low pressure cylinder, uni-flow exhaust, 0.85 m diameter.
  • Stroke: 1.0 m
  • 500 Horsepower, 373 kilowatt

-8 horizontal, double suction, fabricated, centrifugal pumps: 500 m³ per minute, 125,000 GPM, 180 MGD:

  • rotational speed: 95 to 115 rpm, impeller diameter 1.70 m.

Since 1998 the ir. D.F. Woudagemaal has been listed on the UNESCO World Heritage Site list.

The station is open for visitors and tours are given regularly.

Location

The pumping station is located at Tacozijl just outside Lemmer

  • One of the steam engines running
    One of the steam engines running
  • Seaside face of the building
    Seaside face of the building
  • Aerial view
    Aerial view
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