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LK Group

  • LK Systems

    LK Systems is the leading manufacturer of easy-to-install systems for heating and tap water distribution and pre-insulated pipes in the Nordics. Through our prefabrication factory, we also provide tailor-made solutions that simplify the installation process even further. Svenska English Norsk Suomi

  • LK Armatur

    LK Armatur is a leading producer in Europe, manufactures millions of valves per year for the global HVAC market. Our solutions are based on a comprehensive view of how valves, control units, components and prefabricated products work together. Svenska English Deutsch Italiano Yкраїнська Suomi

  • LK Pex

    Our PEX Pipe Extrusion business area is an innovative manufacturer of high-quality plastic pipes for the heating and plumbing industry. Our core is the efficient, high-technology production process for crosslinked PE-Xa pipes, resulting in products with a unique combination of flexibility and hydrostatic strength. English

  • LK Group

    LK is a family-owned trading and production group, operating on a global scale within the HVAC-area. We are the market leader in Sweden and has an increasing sales of products, systems and solutions in the Nordic countries, Europe and the USA. Svenska English
LKS0907

LK 510 MultiSafe

LK 510 MultiSafe is a safety relief valve for tap water installations, as well as heating systems with closed boiler system with a power of max.50 kW. The valve must not be used for steam. The outlet is fitted ...

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LKS0907

LK 510 MultiSafe

  • Variants
  • Detailed Information
  • Documentation

Variants

Article Dim. Opening pressure Discharge capacity Packaging Environment Item List
500 53 20 ¾" / ¾" 0,15 MPa 35 l/min
500 53 21 ¾" / ¾" 0,25 MPa 38 l/min
500 53 05 ¾" / 22 mm 0,15 MPa 35 l/min
500 53 04 0,20 MPa 35 l/min
500 53 06 0,25 MPa 38 l/min
500 53 07 0,30 MPa 40 l/min

500 53 20

Dim. ¾" / ¾"
Opening pressure 0,15 MPa
Discharge capacity 35 l/min
Packaging
Packaging
Item list

500 53 21

Dim. ¾" / ¾"
Opening pressure 0,25 MPa
Discharge capacity 38 l/min
Packaging
Packaging
Item list

500 53 05

Dim. ¾" / 22 mm
Opening pressure 0,15 MPa
Discharge capacity 35 l/min
Packaging
Packaging
Item list

500 53 04

Dim.
Opening pressure 0,20 MPa
Discharge capacity 35 l/min
Packaging
Packaging
Item list

500 53 06

Dim.
Opening pressure 0,25 MPa
Discharge capacity 38 l/min
Packaging
Packaging
Item list

500 53 07

Dim.
Opening pressure 0,30 MPa
Discharge capacity 40 l/min
Packaging
Packaging
Item list

Detailed Information

Description

LK 510 MultiSafe is a safety relief valve for tap water installations, as well as heating systems with closed boiler system with a power of max.50 kW. The valve must not be used for steam. The outlet is fitted with compression fitting for simple installation of a discharge pipe.The safety relief valve can be installed horizontally or vertically, i.e. with the valve knob facing outwards or upwards. In horizontal installations the outlet must be positioned so that a water pocket cannot be formed.
The thread has to be sealed in the usual manner.

It is easier to fit the compression fitting if a lubricant is applied to the thread and bevel. Tighten first by hand and then with a box spanner. Number of turns to be tightened with a spanner: See the separate datasheet for compression fittings. Soft pipes are to be fitted with a support sleeve.
The safety relief valve requires no maintenance. The opening function should, however, be checked 2-3 times a year.:

Turn the knob counterclockwise by hand, until water flows out. Let the water flush through for a moment. Then turn the knob until a click is heard, about ¼ turn, and the valve returns to closed position.

The safety relief valve may open after a large discharge from the water heater. This is a normal function since the pressure relief level in the water heater can be reached due to the increased volume of the water when heated.

Documentation

Product sheet

LK 510 MultiSafe