M2 DN25

2-WAY UNMIXED PUMP UNIT

The unit for 1” (180 mm) circulating pumps consists of:

Supply
• Connection.
• Flanged ball valve with T-handle.
• High efficiency synchronous pre-wired circulating pump (for the models that include it).
• Flanged ball valve supplied with in-handle thermometer (red ring, range 0°C-120°C).

Return
• Flanged ball valve with 20 mbar check valve (which can be excluded by rotating the handle by 45°) supplied with in-handle thermometer (blue ring; 0°C-120°C).
• Magnetic filter and ball valve (in the models where it is present)
• Connection.

Centre distance 125 mm. EPP insulation box (Dimensions: 250x380x170 mm).
PN 10, max temperature 110°C (unit without pump).
External connections: 1” Female.

FIELD OF USE
For power up to 50 kW (with ∆t 20 K) and maximum flow rate 2150 l/h.
Kvs Value: 8.0.
Approximate data calculated with a 6 m head circulating pump. For an accurate sizing or for higher flow rates, please refer to the curve in the instructions.

Available circulating pumps:
Wilo Para 25/6 SC
Grundfos UPM3S Auto 25-60
Wilo Para 25/8 SC

Code	External connections	Circulator	Dirt separator
20355R	G 1" Female	-	-
20355R. BRV ModvlvS M2. Made in Italy. Direct two-way hydraulic module DN25 for 1” (180 mm) circulators. For heating and cooling systems. Reversible right-left supply. PPE insulation box. Dimensions: 250x380x170 mm. External connections: G 1" F (ISO 228). High-efficiency synchronous circulator: not included. Center distance 125 mm. Maximum pressure: PN 10. Operating fluids: water (glycolated max. 50%). Maximum fluid temperature: 110°C. Application range: for powers up to 50 kW (with Δt 20 K) and flow rate of 2.15 m3/h. Kvs value 8.0 for a residual head of 2.4 mH2O. Indicative data calculated with a circulator with a head of 6 m.
20355R-P6	G 1" Female	Wilo Para 25/6 SC	-
20355R-P6. BRV ModvlvS M2. Made in Italy. Two-way direct hydraulic module DN25 for 1” (180 mm) circulators. For heating and cooling systems. Reversible flow right-left. PPE insulation box. Dimensions: 250x380x170 mm. External connections: G 1" F (ISO 228). High-efficiency synchronous circulator: Wilo Para 25/6 SC. Center distance 125 mm. Maximum pressure: PN 10. Operating fluids: water (glycolated max. 50%). Maximum fluid temperature: 95°C. Operating range: for powers up to 50 kW (with Δt 20 K) and flow rate of 2.15 m3/h. Kvs value 8.0 for a residual head of 2.4 mH2O. Power supply: 230 V AC.
20355R-A6	G 1" Female	Grundfos UPM3S Auto 25-60	-
20355R-A6. BRV ModvlvS M2. Made in Italy. Direct two-way DN25 hydraulic module for 1” (180 mm) circulators. For heating and cooling systems. Reversible supply right-left. PPE insulation box. Dimensions: 250x380x170 mm. External connections: G 1" F (ISO 228). High-efficiency synchronous circulator: Grundfos UPM3S Auto 25-60. Center distance 125 mm. Maximum pressure: PN 10. Operating fluids: water (glycolated max. 50%). Maximum fluid temperature: 110°C. Operating range: for powers up to 53 kW (with Δt 20 K) and flow rate of 2.3 m3/h. Kvs value 8.0 for a residual head of 2.4 mH2O. Power supply: 230 V AC.
20355R-P8	G 1" Female	Wilo Para 25/8 SC	-
20355R-P8. BRV ModvlvS M2. Made in Italy. Direct two-way hydraulic module DN25 for 1” circulators (180 mm). For heating and cooling systems. Reversible flow right-left. PPE insulation box. Dimensions: 250x380x170 mm. External connections: G 1" F (ISO 228). High-efficiency synchronous circulator: Wilo Para 25/8 SC. Center distance 125 mm. Maximum pressure: PN 10. Operating fluids: water (glycolated max. 50%). Maximum fluid temperature: 95°C. Application range: for powers up to 70 kW (with Δt 20 K) and flow rate of 3.0 m3/h. Kvs value 8.0 for a residual head of 2.4 mH2O. Power supply: 230 V AC.
203652	G 1" Female	-	●
203652. BRV ModvlvS M2. Made in Italy. Two-way direct hydraulic module DN25 for 1” circulators (180 mm), equipped with magnetic dirt separator. For heating and cooling systems. Reversible flow right-left. PPE insulation box. Dimensions: 250x380x170 mm. External connections: G 1" F (ISO 228). High-efficiency synchronous circulator: not included. Center distance 125 mm. Maximum pressure: PN 10. Operating fluids: water (glycolated max. 50%). Maximum fluid temperature: 110°C. Application range: for powers up to 50 kW (with Δt 20 K) and flow rate of 2.15 m3/h. Kvs value 7.4 for a residual head of 2.3 mH2O. Indicative data calculated with a 6 m head circulator.
203652-P6	G 1" Female	Wilo Para 25/6 SC	●
203652-P6. BRV ModvlvS M2. Made in Italy. Two-way direct hydraulic module DN25 for 1” (180 mm) circulators, equipped with a magnetic dirt separator. For heating and cooling systems. Reversible supply right-left. PPE insulation box. Dimensions: 250x380x170 mm. External connections: G 1" F (ISO 228). High-efficiency synchronous circulator: Wilo Para 25/6 SC. Center distance 125 mm. Maximum pressure: PN 10. Operating fluids: water (glycolated max. 50%). Maximum fluid temperature: 95°C. Application range: for powers up to 50 kW (with Δt 20 K) and flow rate of 2.15 m3/h. Kvs value 7.4 for a residual head of 2.3 mH2O. Power supply: 230 V AC.
203652-A6	G 1" Female	Grundfos UPM3S Auto 25-60	●
203652-A6. BRV ModvlvS M2. Made in Italy. Two-way direct hydraulic module DN25 for 1” circulators (180 mm), equipped with a magnetic dirt separator. For heating and cooling systems. Reversible flow right-left. PPE insulation box. Overall dimensions: 250x380x170 mm. External connections: G 1" F (ISO 228). High-efficiency synchronous circulator: Grundfos UPM3S Auto 25-60. Center distance 125 mm. Maximum pressure: PN 10. Operating fluids: water (glycolated max. 50%). Maximum fluid temperature: 110°C. Operating range: for powers up to 53 kW (with Δt 20 K) and flow rate of 2.3 m3/h. Kvs value 7.4 for a residual head of 2.3 mH2O. Power supply: 230 V AC.
203652-P8	G 1" Female	Wilo Para 25/8 SC	●
203652-P8. BRV ModvlvS M2. Made in Italy. Two-way direct hydraulic module DN25 for 1” (180 mm) circulators, equipped with a magnetic dirt separator. For heating and cooling systems. Reversible supply right-left. PPE insulation box. Dimensions: 250x380x170 mm. External connections: G 1" F (ISO 228). High-efficiency synchronous circulator: Wilo Para 25/8 SC. Center distance 125 mm. Maximum pressure: PN 10. Operating fluids: water (glycolated max. 50%). Maximum fluid temperature: 95°C. Operating range: for powers up to 67 kW (with Δt 20 K) and flow rate of 2.9 m3/h. Kvs value 7.4 for a residual head of 2.3 mH2O. Power supply: 230 V AC.