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Hattersley Technical Product Guide - FIVESUITE :: Content ...

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BALANCING VALVES - STATIC<br />

PN20 (THREADED) PN16 (COMPRESSION)<br />

Fig. 1832, 1832M, 1832L, 1832C, 1832MC, 1832LC<br />

Bronze Motorised Fixed Orifice Double Regulating Valve<br />

(Motorised FODRV)<br />

FEATURES AND BENEFITS<br />

• Provides precise and accurate flow regulation<br />

• Designed for circuits where combined<br />

functions of actuated regulation and flow<br />

measurement are required<br />

• Operated by motorised actuator<br />

• Integral fixed orifice commissioning valve and<br />

two port control panel – faster commissioning<br />

PRESSURE/<br />

TEMPERATURE<br />

RATING<br />

Threaded Ends<br />

BS 7350 PN20<br />

16 bar at 120ºC<br />

20 bar at -10 to 100ºC<br />

Compressions Ends<br />

5 bar at 120ºC<br />

6 bar at 110ºC<br />

10 bar at 65ºC<br />

16 bar from -10 to 30ºC<br />

TEST PRESSURES<br />

(HYDRAULIC)<br />

Body: 30 bar<br />

Seat: 1.4 bar DP<br />

Note: Max DP = 1.2 bar<br />

DIMENSIONS AND WEIGHTS<br />

For Commissioning Valve Coefficients please refer to pages 49-51.<br />

Every effort has been made to ensure that the information contained in this publication is accurate at the time of publishing.<br />

<strong>Hattersley</strong> Ltd assumes no responsibility or liability for typographical errors or omissions or for any misinterpretation of the<br />

information within the publication and reserves the right to change without notice.<br />

30<br />

SPECIFICATION<br />

Actuator operated for on/off or<br />

modulating control.<br />

Double regulating device allows<br />

flow to be balanced.<br />

Integral fixed orifice.<br />

Supplied with 2 Figure 631 test points.<br />

Flow charts available.<br />

End connections threaded<br />

Sizes 1 /2 & 3 /4" to ISO 228 parallel.<br />

Sizes DN15 & DN20 when used with<br />

compression adaptors suitable for<br />

copper pipe to BS EN 1057 R250<br />

(half hard).<br />

The 1832 Motorised FODRV is<br />

designed for installations in circuits<br />

where combined functions of actuated<br />

regulation and flow measurement are<br />

required.<br />

Nom<br />

Size in 1 /2 L 1 /2 M 1 /2 3 /4<br />

A mm 87 87 87 96<br />

A (compression) mm 105 105 105 118<br />

B mm 50 50 50 51<br />

Weight kg 0.41 0.41 0.41 0.45<br />

MATERIAL SPECIFICATION<br />

Component Material Specification<br />

BS EN<br />

Stem DZR copper alloy 12165 CW602N<br />

Stem Seals EPDM<br />

Disc EPDM<br />

Bonnet DZR copper alloy 12165 CW602N<br />

Body Bronze 1982 CC491K<br />

Orifice Insert DZR copper alloy 12165 CW602N<br />

Fig. 631 Test Valve DZR copper alloy 12165 CW602N<br />

DIMENSIONAL DRAWINGS<br />

Accuracy of flow measurement is<br />

+5% across all driving settings.<br />

1832: 1 /2" has a flow range of<br />

0.061 to 0.132l/s<br />

3 /4" has a flow range of<br />

0.131 to 0.289l/s<br />

1832M: 1 /2" medium flow version<br />

is suitable for flow<br />

applications in the range<br />

of 0.03 to 0.07l/s<br />

1832L: 1 /2" low flow version is<br />

suitable for flow<br />

applications in the range<br />

of 0.01 to 0.03l/s<br />

Compression Ends<br />

0 20 40 60 80 100 120 140<br />

Temperature ˚C<br />

<strong>Technical</strong> Helpline: 0845 604 1790<br />

E: tech-enquiries@hattersley.com W: www.hattersley.com<br />

Pressure bar<br />

Actuator Connecting Thread<br />

M30 x 1.5 for all sizes<br />

18<br />

16<br />

14<br />

12<br />

10<br />

8<br />

6<br />

4<br />

2<br />

0<br />

Threaded Ends

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