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LK Group

  • 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 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 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
LK 508 HydroFill

LK 508 HydroFill

LK 508 HydroFill is a combination valve for hot water heaters. The valve housing has a shut-off to incoming cold water and an integrated non-return valve to prevent flowback of hot water to incoming cold water ...

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LK 508 HydroFill

  • Variants
  • Detailed Information
  • Documentation
  • Accessories & Spare parts

Variants

LK 508 - Compression Fitting

LK 508 - Compression Fitting 2 variants

Article Dim. Kvs m³/h A mm B mm C mm D mm E mm F mm Weight (kg) Dimensional sketch Item List
090025 22 mm 2.9 57 83 51 50 36 41 0.3
090020 15 mm 2.1 57 76 54 42 33 38 0.3

090025

Dim. 22 mm
Kvs m³/h 2.9
A mm 57
B mm 83
C mm 51
D mm 50
E mm 36
F mm 41
Weight (kg) 0.3
Dimensional sketch
Item list

090020

Dim. 15 mm
Kvs m³/h 2.1
A mm 57
B mm 76
C mm 54
D mm 42
E mm 33
F mm 38
Weight (kg) 0.3
Dimensional sketch
Item list

Detailed Information

Description

LK 508 HydroFill is a combination valve for hot water heaters. The valve housing has a shut-off to incoming cold water and an integrated non-return valve to prevent flowback of hot water to incoming cold water pipes. The valve housing has two connections with internal thread G ½” for installation of safety, vacuum or filler valves.
Arrows on the valve body indicate the direction of flow.

Female threads are designed for the LK Armaturs system med O-ring seal. Other components are fitted in the usual way. When fitting to a male thread connection, adapter LK 373 is used - see under Accessories.
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 separate data sheet for compression fittings. Soft pipes are to be fitted with a support sleeve.

The valve requires no maintenance. The installation should be checked regularly.

Technical Data

Max. working pressure: 1.0 MPa (10 bar)
Working temperature: Min. 5 °C/Max. 90 °C
Material, valve body: DZR Brass EN 12165 CW625N
Material, sealing: EPDM

Technical Diagrams

LK 508 HydroFill

Capacity Diagram

Documentation

Product sheet

LK 508 HydroFill

Accessories & Spare parts

Article no. Article Position
4311733 LK 684 Repair kit, Shut-off/Check valve 1
1898055 Adapter LK 373 22 x M ¾" 2
052002 LK 373 Adapter 15 x M ½" 2