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Fig. M651 Check Valve Swing Pattern

Verified by manufacturer 14 days ago

DN50

Hattersley Variant:

Cast iron swing pattern check valve.

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Application

Suitable for water or other liquids, for velocities up to 3 m/s, on horizontal or vertical pipelines.

Description

Cast iron check valve with a swing pattern, PN16.


Features and benefits:

  • Suitable for velocities of up to 3 m/s.
  • Ideal for water or other liquids.
  • Bolted cover.
  • Suitable for mounting in horizontal and vertical pipelines (with an upwards direction of flow).

General information

Color

Blue

Guidance for specification option:

Body and cover.

Material

Cast iron

Guidance for specification option:

Body, cover and disc.

Uniclass

Pr_65_54_40_13 Irrigation check valvesPrimary

CAWS

S14/325 Backflow prevention devices

S15/350 Backflow prevention

Specification data - Irrigation check valves

Standard

To BS EN 12334: 2001 and BS EN 558-1 (basic series 10).

Pressure rating

PN25.

Connections

Flanged.

Guidance for specification option:

  • Fig. M651: To BS EN 1092-2, PN16.
  • Fig 651E: Flanges drilled to BS 10 available.
  • Fig. 651ANSI: Flanges drilled to ANSI B16.1 125.

Manufacturer guidance

Suitable for mounting in horizontal and vertical

pipes (with the flow upwards).

PressureRange

Temperature: -10 to +120°C: 16 bar, +230°C: 11.8 bar.

Guidance for specification option:

Rating to BS EN 1092-2, PN16.

Manufacturer guidance

Hydraulic pressure test: Shell (24 bar) and Seat (17.6 bar).

Dimensions

203 x 113 mm.

Manufacturer guidance

Nominal A x B.

Weight

13 kg.

Inlets/outlets diameter

DN50.

Manufacturer guidance

Nominal.

Material (all components)

Body, cover and disc: Cast iron, Hinge pin and plug: Brass CW603N, Disc face ring and body seat ring: Bronze CC491K, Hinge: Ductile iron, Cover gasket: Reinforced compressed graphite.

Manufacturer guidance

  • Bronze: BS EN 1982 CC491K and ASTM B62 C83600.
  • Brass: BS EN 12164 CW603N and ASTM B16-C36000.
  • Ductile iron: BS EN 1563 EN-JS1040 and ASTM A536 70-50-05.
  • Cast iron (cover and disc): BS EN 1561 EN JLI040 and ASTM A126 CI B.
  • Cast iron (body): BS EN 1561 EN-JL 1040 (GJL-250) and ASTM A126 CI B.

Sustainability data

Material

Cast iron

Guidance for specification option:

Body, cover and disc.

Recyclability

Recycle locally

Expected Life

20 year

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