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Fig. MH739 Commissioning Set - Fixed Orifice Double Regulating Valve

Verified by manufacturer 2 months ago

DN65

Hattersley Variant:

Ductile iron fixed integral orifice, double regulating valve.

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Application

  • Primarily used in injection or other circuits requiring a double regulating valve for system balancing.
  • Suitable for flow regulation and isolation.
  • Supplied with Fig. 631 test points to enable flow measurement.

Description

Ductile iron fixed integral orifice, double regulating valve with ANSI version option MHA739.


Features and benefits:

  • Single unit Y-Pattern globe valves incorporating an integral orifice plate, to form a fixed orifice flow measurement unit with regulation and isolation capacity.
  • The Double Regulating feature allows the valve to be used for isolation and to be reopened to its pre-set position, to maintain required flow rate.
  • Accuracy of flow measurement is ±5% at all open positions of the valve, in accordance with BS 7350: 1990.
  • Primarily used in injection or other circuits requiring a double regulating valve for system balancing.
  • External spray epoxy coated for improved durability.
  • Supplied with Fig. 631 test points to enable flow measurement.
  • Valve operation by means of a hand wheel.

General information

Color

Blue

Guidance for specification option:

  • Body, bonnet and handwheel.
  • Downstream test point marker.

Silver

Guidance for specification option:

Stem.

Red

Guidance for specification option:

Upstream test point marker.

Yellow

Material

Bronze

Guidance for specification option:

Disc bush and seat ring.

Rubber

Guidance for specification option:

EPDM coating on cast iron disks.

Brass

Guidance for specification option:

Gland (65 to 150 mm).

Stainless steel

Guidance for specification option:

Stem.

Steel

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Uniclass

Pr_65_54_95_26 Double regulating valvesPrimary

CAWS

S90/650 Flow-reducing/ servicing valves

S92/435 Sprinkler valve sets

S90/650 Flow reducing/ servicing valves

S92/435 Control valve sets

Specification data - Double regulating valves

Standard

To BS 7350.

Arrangement

Globe (Y-pattern).

Material

Body and bonnet: Ductile iron, Disc: EPDM coated cast iron, Disc bush and seat ring: Bronze, Stem: Stainless steel grade 410 – 1.4006, Packing and bonnet gasket: Non-asbestos, Gland (65 to 150 mm): Brass CW614N, Gland (200 to 300 mm): Cast iron.

Manufacturer guidance

  • EPDM: Ethylene Propylene Diene Monomer.
  • Ductile iron to BS EN 1563 GJS-450-10.
  • Bronze to BS EN 1982.
  • Stainless steel grade 410 to BS EN 10088-3, 1.4006.
  • Brass to BS EN 12164: 2016 CW614N.
  • Cast iron to BS EN 1561 EN-GJL-250.

Connections

Flanged to BS EN 1092-2, PN16 and Flanged to ANSI B16.1, Class 125.

Guidance for specification option:

MH739: Formerly to BS 4504.

PressureRange

Temperature: -10 to +120°C: PN16.

Guidance for specification option:

Ratings align with BS EN 1092-2 PN16 (formerly BS 4504).

Inlets/outlets diameter

DN65.

Manufacturer guidance

Nominal.

Dimensions

290 x 262 mm.

Manufacturer guidance

Nominal A x B.

Weight

16.3 kg.

Flow capacity

93 (Kv), 90 (Kvs).

Guidance for specification option:

Kv: Partially open valve.

Manufacturer guidance

  • Kv: Partially open valve.
  • KVS: Fully open valve.


PressureLossCoefficient

6.9.

Manufacturer guidance

Headloss coefficient (K).

Integral accessories

Fig. 631 test points.

Manufacturer guidance

Supplied with red and blue test points to enable flow measurement.

Sustainability data

Material

Bronze

Guidance for specification option:

Disc bush and seat ring.

Rubber

Guidance for specification option:

EPDM coating on cast iron disks.

Brass

Guidance for specification option:

Gland (65 to 150 mm).

Stainless steel

Guidance for specification option:

Stem.

Steel

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Recyclability

Recycle locally

Expected Life

20 year

Literature

Fig. MH739 Commissioning Set - TM65-HATTERSLEY-FIG. MH739-DN65

Fig. MH739 Commissioning Set - TM65-HATTERSLEY-FIG. MH739-DN65

Fig. MH739 Commissioning Set - TM65-HATTERSLEY-FIG. MH739-DN80

Fig. MH739 Commissioning Set - TM65-HATTERSLEY-FIG. MH739-DN80

Fig. MH739 Commissioning Set - TM65-HATTERSLEY-FIG. MH739-DN100

Fig. MH739 Commissioning Set - TM65-HATTERSLEY-FIG. MH739-DN100

Fig. MH739 Commissioning Set - TM65-HATTERSLEY-FIG. MH739-DN125

Fig. MH739 Commissioning Set - TM65-HATTERSLEY-FIG. MH739-DN125

Fig. MH739 Commissioning Set - TM65-HATTERSLEY-FIG. MH739-DN150

Fig. MH739 Commissioning Set - TM65-HATTERSLEY-FIG. MH739-DN150

Fig. MH739 Commissioning Set - TM65-HATTERSLEY-FIG. MH739-DN200

Fig. MH739 Commissioning Set - TM65-HATTERSLEY-FIG. MH739-DN200

Fig. MH739 Commissioning Set - TM65-HATTERSLEY-FIG. MH739-DN250

Fig. MH739 Commissioning Set - TM65-HATTERSLEY-FIG. MH739-DN250

Fig. MH739 Commissioning Set - TM65-HATTERSLEY-FIG. MH739-DN300

Fig. MH739 Commissioning Set - TM65-HATTERSLEY-FIG. MH739-DN300

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