Fluid Controls Ltd is one of the UK’s leading distributors for pressure control

Marwin Three Piece Ball Valve – 4700 Series

Marwin Three Piece Ball Valve – 4700 Series

The 4700 Series represents the leading technology in three piece ball valves.

  • Sizes 1/2″ through 4″
  • Full port
  • Fire tested to API 607 4th edition with standard RPTFE seats, graphite packing and graphite body seals
  • ISO 5211 direct mount top with slide lock leaver in one design for automation flexibility or manual operation
  • Self pressure relieving design by means of a pressure balance hole in the ball slot to equalise cavity pressure when the ball is open
  • NPT threaded and socket weld ends
  • Blow-out proof stem
  • Live loaded packing plus lower stem o-ring seals
  • High integrity tongue and groove body seals

Latest News

Showcasing the services we offer at Fluid Controls Here at Fluid Controls, we consider ourselves much more than your typical, run-of-the-mill distributor of pressure control products. Our mission is to add value to your operations in every way we can. From pressure testing and repairs to product training, technical back-up and installation services,... Read More
Who are Fluid Controls? Are you in the market for high-quality pressure control instrumentation? Do you need a supplier that can not only provide the finest pressure control products from the world’s most respected brands, but can do so at the best possible value and with incredible customer service? If the answer is ‘yes’... Read More
What different types of flow control valves are used in fluid control? If you need to control the flow rate of a fluid within a hydraulic circuit, flow control valves offer the perfect solution. They do this by varying the size of the flow passage as directed by a signal from a controller, usually a flow meter. From ball valves to needle valves, there are various different... Read More
What are the different types of valves used in the chemical industry? In chemical processing applications it’s imperative that valves are fit for purpose. Not only must they deliver precise control and dosing, but they should do so whilst handling highly corrosive media. That means sourcing well-constructed valves built from chemical resistant materials that promise... Read More
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