Limiting Stop Valve 20mm

Features and Benefits

• Compact 4 in 1 Valve - Limiting, Isolation, Non-return and Filter all in one.
• Pressure compensated to give constant outlet pressure regardless of inlet pressure.
• Extremely high flow rates up to 135 L/min at 700 kPa inlet pressure.
• No tools required to service valve, all valve seats and piston are contained in the easy replaceable cartridge (VALVE DOES NOT NEED REASSEMBLING to clean filter).
• Removal of cartridge will not affect the set pressures - all valve seats are contained within the cartridge.
• Valve is adjustable 200 - 600 kPa simply with Philips screw driver.
• Can be installed outside (with cartridge down).
• Machined Assembled, and 100% tested in NZ.
• Forged, high quality, corrosion resistant DR brass body.
• No pipe unions, no leaks.

Specifications

• LSV 20    Inlet: 20mm, 3/4"BSP(male)
  
                     Outlet: 20mm, 3/4"BSP(male)
• Length: 140mm
• Maximum inlet pressure: 2000 kPa
• Maximun temperature: 65°C
• Integral 60 mesh (250 micron) filter.

Sectional View

Product Codes

LSV 20-350       350 kPa (use with EVT500) LSV 20-500       500 kPa (use with EVT700)

Installation

• Refer Technical Section for installation guide.
• Do NOT install Limiting Valve in the ground.
• Do NOT apply heat near during installation.
• Install so that both hot and cold supplies are balanced.
• Can be installed in any orientation. For external application, cartridge must be bottom.
• Must be installed with correct Expansion Valve.
• To adjust outlet pressure remove blue cap at the end of the cartridge. Inset large Phillips screw driver, turn adjusting screw clockwise to increase (1 turn = 60kPa).

Servicing

Filter must be cleaned regularly.

Standards

• Complies with NZ building Code G12 (2001)
• Complies with NZ 4607:1989
• Valves manufactured to NZS 4608:1992
• Cartridge Watermarked AS1357.2 LICWMKA 02596