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Stokvis Industrial Boilers (International) Ltd

NBS Plus
Tel +44 (0)870 770 7747, www.stokvisboilers.com
96R Walton Road, East Molesey, Surrey, KT8 0DL

Product overview

Econoflame R3500

Econoflame R3500

Product in NBS

An important note about specifying

The product information below is from the NBS Plus library of product clauses offered in NBS specification products. It has been created by NBS for Stokvis Industrial Boilers (International) Ltd. Each product clause is authored in NBS format and is intended for inclusion in project specifications. Please note that NBS product guidance is not a replacement for the manufacturer's literature and it is recommended that Stokvis Industrial Boilers (International) Ltd be consulted before specifying.

To find out more about producing specifications for building projects visit www.theNBS.com/solutions

Detailed description

The R3500 series consists of 5 models in a range from 613 to 1000 kW with variable outputs from 25% to 100% of maximum capacity.

Standard product features

  • Premix Fully Modulating boiler.
  • Ultra low NOx.
  • Higher efficiency than atmospheric models.
  • Smaller footprint than atmospheric models.
  • Smaller flue diameter than atmospheric models.
  • Stainless steel construction, high build quality.
  • Integral primary boiler pump.
  • BMS compatible.
  • Semi condensing capability no minimum return temperature requirements.

Options

R3501

  • Nominal heat output (80/60°C): 613 kW. Minimum heat output: 187 kW. Dimensions: 2265 mm long x 1355 mm high x 1330 mm deep. Weight: 740 kg.
  • Pilot burner: 30 kW.
  • Gas consumption: Natural gas H (10.9 kWh/m³): 59.9 m³/h. Propane (12.8 kWh/kg): 51 m³/h.
  • Gas inlet pressure: Natural gas (minimum): 18 mbar. Natural gas (maximum): 25 mbar. Natural gas (maximum) option: 100 mbar.
  • Water capacity: 53 dm³.
  • Flue connection: 300 mm diameter.
  • Gas connection: Rp 2".
  • Water connections: DN65 PN6.
  • Pressure relief valve (boiler connection): 1¼".
  • Pressure relief valve (relief connection): 1½".
  • Maximum electrical consumption (boiler and pump): 2.15 kW.

R3502

  • Nominal heat output (80/60°C): 717 kW. Minimum heat output: 218 kW. Dimensions: 2653 mm long x 1355 mm high x 1130 mm deep. Weight: 840 kg.
  • Pilot burner: 30 kW.
  • Gas consumption: Natural gas H (10.9 kWh/m³): 70.1 m³/h. Propane (12.8 kWh/kg): 59.7 m³/h.
  • Gas inlet pressure: Natural gas (minimum): 18 mbar. Natural gas (maximum): 25 mbar. Natural gas (maximum) option: 100 mbar.
  • Water capacity: 70 dm³.
  • Flue connection: 350 mm diameter.
  • Gas connection: Rp 2".
  • Water connections: DN80 PN6.
  • Pressure relief valve (boiler connection): 1¼".
  • Pressure relief valve (relief connection): 1½".
  • Maximum electrical consumption (boiler and pump): 2.15 kW.

R3503

  • Nominal heat output (80/60°C): 811 kW. Minimum heat output: 247 kW. Dimensions: 2653 mm long x 1355 mm high x 1130 mm deep. Weight: 950 kg.
  • Pilot burner: 30 kW.
  • Gas consumption: Natural gas H (10.9 kWh/m³): 79.4 m³/h. Propane (12.8 kWh/kg): 67.6 m³/h.
  • Gas inlet pressure: Natural gas (minimum): 18 mbar. Natural gas (maximum): 25 mbar. Natural gas (maximum) option: 100 mbar.
  • Water capacity: 75 dm³.
  • Flue connection: 350 mm diameter.
  • Gas connection: Rp 2".
  • Water connections: DN80 PN6.
  • Pressure relief valve (boiler connection): 1½".
  • Pressure relief valve (relief connection): 2".
  • Maximum electrical consumption (boiler and pump): 2.45 kW.

R3504.

  • Nominal heat output (80/60°C): 906 kW. Minimum heat output: 276 kW. Dimensions: 2658 mm long x 1355 mm high x 1330 mm deep. Weight: 1070 kg.
  • Pilot burner: 30 kW.
  • Gas consumption: Natural gas H (10.9 kWh/m³): 88.6 m³/h. Propane (12.8 kWh/kg): 75.5 m³/h.
  • Gas inlet pressure: Natural gas (minimum): 18 mbar. Natural gas (maximum): 25 mbar. Natural gas (maximum) option: 100 mbar.
  • Water capacity: 80 dm³.
  • Flue connection: 400 mm diameter.
  • Gas connection: DN65 PN6.
  • Water connections: DN80 PN6.
  • Pressure relief valve (boiler connection): 1½".
  • Pressure relief valve (relief connection): 2".
  • Maximum electrical consumption (boiler and pump): 3.12 kW.

R3505

  • Nominal heat output (80/60°C): 1000 kW. Minimum heat output: 305 kW. Dimensions: 2658 mm long x 1355 mm high x 1330 mm deep. Weight: 1200 kg.
  • Pilot burner: 30 kW.
  • Gas consumption: Natural gas H (10.9 kWh/m³): 97.8 m³/h. Propane (12.8 kWh/kg): 83.3 m³/h.
  • Gas inlet pressure: Natural gas (minimum): 18 mbar. Natural gas (maximum): 25 mbar. Natural gas (maximum) option: 100 mbar.
  • Water capacity: 85 dm³.
  • Flue connection: 400 mm diameter.
  • Gas connection: DN65 PN6.
  • Water connections: DN80 PN6.
  • Pressure relief valve (boiler connection): 1½".
  • Pressure relief valve (relief connection): 2".
  • Maximum electrical consumption (boiler and pump): 3.12 kW.

NBS Specification

This product is associated with the following NBS clauses:

Product specification

Manufacturer

- Name:

Stokvis Industrial Boilers (International) Ltd

- Tel:

+44 (0)870 770 7747

Product reference

Econoflame R3500

 

Model

[3501]
[3502]
[3503]
[3504]
[3505]
 

Accessories

[BME option]
[E6 option]
[KKM option]
[Speed controlled pump]
 

Contact details

96R Walton Road,
East Molesey,
Surrey, KT8 0DL
Tel +44 (0)870 770 7747
Fax +44 (0)870 770 7767
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