The LP3 is the worlds first elbow PRV . An extension of the W3 designed to bring diaphragm technology at price of piston technology . Has a great combination of price, performance and better flow rates too. Another big plus is the low scrap value of SS material thereby reducing chances of theft from sites. (though SS is expensive for many valves the scrap value is much lower than brass) This is quite a contractors choice. Of course this model misses the built-in filter option currently.


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  • Elbow design helps reduce cost of an elbow joint and otherwise also reduces cost of PRV
  • SS304 stainless Steel body*. No lead. Saves cost , also since scrap value of SS304 is low, chances of theft reduces.
  • Corrugate shaped diaphragm that increases its flexibility thus increasing its fatigue life. Also surface area is increased, thus allowing a compact PRV. (lesser diaphragm diameter)
  • Thin walled diaphragm which is more sensitive to small changes in pressure .( strength is compensated by nylon layer reinforcement )
  • low weight avoiding buckling of pipe (in case of plastic pipes of UPVC , CPVC etc.)
  • Low – weight internals of plastic – stainless steel combination increases response time of PRV, thus avoiding water hammer, noise and pressure built-up.
  • ‘Cartridge’ internals, which can be removed easily without removing entire PRV / body from pipe.
  • In-built provision for inserting pressure gauge. Thus saving cost of additional Tee and pipes settings.
  • Easy to adjust, concealed pressure setting to avoid mishandling.


HTML Table Generator
SIZE (MM) A B C D E F G
25 85 125 61 27 16 75 24
32 84 121 61 23 8 71 19
40 100 172 79 30 15 109 23
50 122 180 98 34 6 114 28
65 128 183 98 33 4 107 22
*all dimensions are in mm.

Medium : Water, Compressed Air, Nitrogen
Max Inlet Pressure : 16 bar (customisable to higher pressure)
Max Temperature : 70°C #
Size (mm) : 25,32,40,50,65
End connections : BSP female threaded
Outlet Pressure : 1 to 5 bar.

* Higher Temperatures/Pressures available on request.

Body : SS304 (Brass options also available)
Internals : SS316; NBR; Brass; Plastic.
Bonnet : Nylon
Installation : Can be fixed in horizontal, vertical, upside down any direction

To see accessories click here

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