Range of flow meters incorporating black epoxy coated ductile iron bodies and EPDM ‘O’-rings. Maximum working pressure 16.0 bar. Maximum operating temperature 50°C.

Section:

1505 Water Meters

Size:

See model

Marking:

GWF, Nominal diameter, year of manufacture (YYYY), temp class, install conditions, max pressure, type edge (meter type) manufacturer & other technical information on data label on meter housing

Installation Requirements:

R001

Expiry date:

31/05/2026

Model:

Sonico Edge Range Available in the following sizes: Inlet 50mm Length 200mm, 270mm & 300mm Inlet 65mm Length 200mm & 300mm Inlet 80mm Length 200mm, 225mm, 300mm, 350mm, 370mm & 413mm Inlet 100mm Length 250mm, 350mm, 360mm, 370mm & 483mm Inlet 125mm Length 250mm Inlet 150mm Length 300mm & 500mm

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Approval Holder:

GWF AG

Company Name

GWF AG

Address

Obergrundstrasse 119 Lucerne

Postcode

6005

Phone

+41 41 319 51 77

General Email

moritz.roettger@gwf.ch

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Range of water meters with black epoxy coated cast iron bodies. Maximum working pressure 16.0 bar. Maximum operating temperature 50°C.

Section:

1505 Water Meters

Size:

see model

Marking:

GWF, date of manufacture (YYYY) and other technical information on body.

Installation Requirements:

R001

Expiry date:

30/09/2026

Model:

Sonico EDGE DN200 – 350mm length. Sonico EDGE DN200 – 520mm length Sonico EGDE DN250 – 450mm length Sonico EDGE DN300 – 500mm length

Product Images

Approval Holder:

GWF AG

Company Name

GWF AG

Address

Obergrundstrasse 119 Lucerne

Postcode

6005

Phone

+41 41 319 51 77

General Email

moritz.roettger@gwf.ch

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Range of single-jet water meters with brass bodies and a plastic strainer on the inlet. Maximum working pressure 16.0 bar. Maximum operating temperature 90°C.

Section:

1505 Water Meters

Size:

see model

Marking:

GWF barcode, max pressure, flow rate, model, year of production (YYYY), GWF and other techical info on meter face.

Installation Requirements:

R001 R120

Expiry date:

31/12/2026

Model:

Unico2 and Unico2coder MP: Qn 1.5 (Q3 2.5) G3/4B DN15 110mm: ¾” BSP (M), Qn 1.5 (Q3 2.5) G1B DN20 110mm: 1” BSP (M), Qn 1.5 (Q3 2.5) G1B DN20 130mm: 1” BSP (M), Qn 2.5 (Q3 4.0) G1B DN20 130mm: 1” BSP (M). Models added April 2025: Unico2e: Qn 1.5 (Q3 2.5) G3/4B DN15 110mm: ¾” BSP (M), Qn 1.5 (Q3 2.5) G1B DN20 110mm: 1” BSP (M), Qn 1.5 (Q3 2.5) G1B DN20 130mm: 1” BSP (M), Qn 2.5 (Q3 4.0) G1B DN20 130mm: 1” BSP (M).

Product Images

Approval Holder:

GWF AG

Company Name

GWF AG

Address

Obergrundstrasse 119 Lucerne

Postcode

6005

Phone

+41 41 319 51 77

General Email

moritz.roettger@gwf.ch

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Manufacturer:

GWF AG

Company Name

GWF AG

Address

Obergrundstrasse 119 Lucerne

Postcode

6005

Phone

+41 41 319 51 77

General Email

moritz.roettger@gwf.ch

View All Listings by this Company

Range of water meters with DZR brass bodies and EPDM ‘O’-rings. The inlet incorporates either a plastic or stainless steel strainer (see model). The product is supplied loose fibre gaskets for installation on the inlet and outlet. Maximum working pressure 16.0 bar. Cold water use only.

Section:

1505 Water Meters

Size:

Type (Horizontal) MTK3 / MTK3coder MP: 1¼” BSP (M) - 2⅜” BSP (M). Type (Rispipe VS & Downpipe VF) MTK3-VF & MTK3-VFcoder MP: 1¼” BSP (M) - 2” BSP (M). MTK3-VS & MTK3-VScoder MP: 1¼” BSP (M) - 2” BSP (M).

Marking:

GWF, barcode, production year (YYYY), serial number, measuring range (R..), meter type (MTK3, MTK3coder MP, MTK3-VF, MTK3-VFcoder MP, MTK3-VS or MTK3-VScoder MP), and other technical information on holding ring (around dial face). Size and flow arrow on body.

Installation Requirements:

R001

Expiry date:

31/10/2028

Model:

Type (Horizontal) MTK3 / MTK3coder MP: MTK3(coder MP) Q3 6,3 G1¼B DN25 260mm (Plastic strainer), MTK3(coder MP) Q3 10 G1¼B DN25 260mm (Plastic strainer), MTK3(coder MP) Q3 10 G1½B DN32 260mm (Plastic strainer), MTK3(coder MP) Q3 16 G2B DN40 300mm (Plastic strainer), MTK3(coder MP) Q3 25 G2 3/8B DN50 300mm (S/Steel strainer). Type (Rispipe VS & Downpipe VF) MTK3-VF & MTK3-VFcoder MP: MTK3-VF(coder MP) Q3 6,3 G1¼B DN25 150mm (S/Steel strainer), MTK3-VF(coder MP) Q3 10 G1½B DN32 150mm (S/Steel strainer), MTK3-VF(coder MP) Q3 16 G2B DN40 200mm (Plastic strainer). MTK3-VS & MTK3-VScoder MP: MTK3-VS(coder MP) Q3 6,3 G1¼ DN25 150mm (S/Steel strainer), MTK3-VS(coder MP) Q3 10 G1½B DN32 150mm (S/Steel strainer), MTK3-VS(coder MP) Q3 16 G2B DN40 200mm (Plastic strainer).

Product Images

Approval Holder:

GWF AG

Company Name

GWF AG

Address

Obergrundstrasse 119 Lucerne

Postcode

6005

Phone

+41 41 319 51 77

General Email

moritz.roettger@gwf.ch

View All Listings by this Company

Manufacturer:

GWF AG

Company Name

GWF AG

Address

Obergrundstrasse 119 Lucerne

Postcode

6005

Phone

+41 41 319 51 77

General Email

moritz.roettger@gwf.ch

View All Listings by this Company

Range of water meters with brass bodies Maximum operating pressure 16 bar. Cold water use only.

Section:

1505 Water Meters

Basis of Compliance:

Tested to regulators Specification Test Code Sheets

Size:

¾” & 1” BSP (M). DN15 & DN20.

Marking:

GWF and technical information on face of meter. Flow arrow on body.

Installation Requirements:

R001

Expiry date:

31/07/2029

Model:

MTK3, MTK3coder MP & MTK3e ranges.

Product Images

Approval Holder:

GWF AG

Company Name

GWF AG

Address

Obergrundstrasse 119 Lucerne

Postcode

6005

Phone

+41 41 319 51 77

General Email

moritz.roettger@gwf.ch

View All Listings by this Company

Manufacturer:

GWF AG

Company Name

GWF AG

Address

Obergrundstrasse 119 Lucerne

Postcode

6005

Phone

+41 41 319 51 77

General Email

moritz.roettger@gwf.ch

View All Listings by this Company

Range of in-line water meters with brass bodies and plastic turbines. The inlets incorporate plastic filters, and the outlets incorporate non-return valves (not suitable for backflow protection). Maximum working pressure 16.0 Bar. Maximum operating temperature 65.0°C.

Section:

1505 Water Meters

Basis of Compliance:

Tested to regulators Specification Test Code Sheets

Size:

½” BSP (M) ¾” BSP (M

Marking:

GWF, model code and other info on meter box

Installation Requirements:

R001

Expiry date:

31/10/2029

Model:

Sonico Nano DN15 Q3=2,5 R*** Sonico Nano DN20 Q3=2,5 R*** Sonico Nano DN20 Q3=4 R*** Body lengths DN15: 105 mm / 110mm / 115mm/ 134m / 142mm / 145mm / 160mm / 165mm / 170mm / 190mm / 220mm DN20: 105mm / 110mm / 115mm / 139mm /160mm / 165mm / 190mm / 220mm

Approval Holder:

GWF AG

Company Name

GWF AG

Address

Obergrundstrasse 119 Lucerne

Postcode

6005

Phone

+41 41 319 51 77

General Email

moritz.roettger@gwf.ch

View All Listings by this Company