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D2890 / D2880 Thermal Circulation Valve

Verified by manufacturer 16 days ago

D2880 DN20

Crane Fluid Systems Variant:

A thermal circulation valve.

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+44 (0)1473 277300 Website

Application

Suitable for domestic hot water services to assist with protection against Legionella.

Description

A thermal circulation valve.


Features and benefits:

  • Ideal for domestic hot water services to assist with protection against Legionella.
  • Provides self-balancing, thermostatically controlled regulation of flow and disinfection.
  • Thermal disinfection at temperatures above 70°C.
  • Compact unit comprising isolation valve with thermometer access point.
  • Incorporates a settable temperature sensing cartridge, factory pre-set at a standard 57°C.
  • Has an accuracy of +/- 2°C at set temperature.
  • D2890 low flow option.

General information

Color

Bronze

Material

Bronze

Uniclass

Pr_65_54_95_26 Double regulating valvesPrimary

CAWS

S90/650 Flow reducing/ servicing valves

S90/650 Flow-reducing/ servicing valves

Specification data - Double regulating valves

Standard

To BS EN 10226-2, BS EN 1982 and BS EN 12164.

Material

Bronze BS EN 1982 CC491K, Polypropylene, Nylon 6, DZR Brass BS EN 12164 CW602N, Stainless steel SS EN10088-3 1.4305, EPDM rubber and PTFE.

Guidance for specification option:

Body, Bonnet, Body seat, Plug, Bush, Stem, Stem seat retainer: Brass; Protective cap: Polypropylene; Temperature adjusting cap, Handwheel: Nylon; Stem: Stainless steel; O-ring seals: EPDM; Body seat: PTFE.

Connections

Taper threaded to BS EN 10226-2.

Inlets/outlets diameter

DN20.

Dimensions

126 x 80 mm.

Manufacturer guidance

Refer to datasheet for detailed dimensions.

Weight

0.88 kg.

Pressure

16 BAR.

Maximum temperature

+90°C.

Flowrate

-

Manufacturer guidance

Standard.

ValveOperation

-

Manufacturer guidance

  • When the set point is pre-set to 57°C, the valve completely opens up to a valve temperature of 52°C.
  • Between 52°C and the set point of 57°C, the valve starts to close. When the set point temperature has been reached, a minimum volume flow is continuously flowing through the circulation system.
  • If the storage temperature is further increased to temperatures greater than 70°C to effect disinfection, the valve increases the flow.

Approvals

Water Regulations Advisory Scheme (WRAS).

Sustainability data

Country of product manufacture

United Kingdom

Material

Bronze

Manufacturing plant location

Recyclability

Recyclable

Guidance for specification option:

Recycle locally, consult manufacturer for details.

Expected Life

20 year

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