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Fig. 5973 Commissioning Set

Verified by manufacturer 13 days ago

DN50: Fig. 5973

Hattersley Variant:

Cast iron, fully lugged metrex commissioning set.

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Application

Suitable for flow regulation and measurement for Chilled Water, LTHW and MTHW.

Description

Cast iron, fully lugged metrex commissioning set.


Features and benefits:

  • Robust iron body materials for long service life.
  • Precise flow regulation and accurate measurement.
  • Fully-Lugged – easy to install and operate.
  • Positive flow control at all handwheel settings.
  • A close coupled commissioning set comprising a lugged butterfly valve and metering station to offer all the advantages of the close coupled concept, together with an accuracy of ±5% of flow rate.
  • Gear operation provides infinitely variable settings between fully open and closed positions.
  • The commissioning set is supplied as a single unit.
  • Supplied complete with Figure 631 test points and necessary bolting, for connection of the valve end to the system.
  • Comprehensive flow charts available.
  • The valve should be not less than 30° open for regulation duties.
  • Lever operated version available in sizes 50 to 200 mm.

General information

Color

Yellow

Guidance for specification option:

Test points and valve disc.

Red

Guidance for specification option:

Upstream test point marker.

Blue

Guidance for specification option:

Body (including valve), handwheel and downstream test point marker.

Material

Bronze

Guidance for specification option:

Extension sleeve.

Cast iron

Guidance for specification option:

Housing.

Stainless steel

Guidance for specification option:

Orifice plate, valve stem and disc.

Steel

Rubber

Guidance for specification option:

  • EPDM liner (valve seat).
  • Polytetrafluoroethylene (PTFE)valve bearings.

Show more

Uniclass

Pr_65_54_95_30 Flow-measuring valvesPrimary

CAWS

S90/650 Flow-reducing/ servicing valves

S14/490 Water metering valves

Specification data - Flow-measuring valves

General requirements

Test points.

Arrangement

3.

Material

Housing: Cast iron, Orifice plate: Stainless steel grade 316, Extension sleeve: Bronze.

Guidance for specification option:

  • Bronze to BS EN 1982 CC491K and ASTM B62.
  • Cast iron to BS EN 1561 EN-JLI040 and A126 Cl B.
  • Stainless steel to BS EN 10088-1 XSCrNiMo 17-12-2 and AISI 316.

Manufacturer guidance

Fig. 631: Test point material.

Fig. 973: Valve material.

Connections

Flanged.

PressureRange

Temperature: -10 to +120°C: 16 bar.

Guidance for specification option:

EPDM seat.

Manufacturer guidance

Test pressures: Shell (24 bar) and Seat (17.6 bar).

Inlets/outlets diameter

DN50.

Manufacturer guidance

Nominal.

Dimensions

133 x 135 mm.

Manufacturer guidance

  • Nominal A x B.
  • For valve dimensions, refer to Fig. 973.

Weight

13 kg.

Guidance for specification option:

  • Geared weight.
  • Lever operated version available in sized 50 to 200 mm, consult manufacturer.

Integral accessories

Position indicator and double regulating valve.

Guidance for specification option:

  • Supplied and fitted with two Fig. 631 test points (red and blue).
  • Fig. 973 valve supplied as part of single unit.

Flow capacity

56 Kv, 48.24 KVs.

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