Swing check valve, DN350-DN1200, PN16, lever weight and guard

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Metal Seat Swing Check Valve with an optional lever weight used to prevent reverse flow, it is suitable for potable water, wastewater and sewage applications.
Starting From POA

Orders placed by 4pm have same working day dispatch and next working day delivery, selected models only

Grouped product items
Type Code Band Price Quantity Delivery Status
DN350 Metal Seat Gate Valve AQ/NRV350LW B
£4,140.00 £3,450.00
DN400 AQ/NRV400LW B
£5,817.60 £4,848.00
DN450 AQ/NRV450LW B
£8,355.60 £6,963.00
DN500 AQ/NRV500LW B
£10,927.20 £9,106.00
DN600 AQ/NRV600LW B
£15,297.60 £12,748.00
DN700* AQ/NRV700LW B
POA
Out of stock
DN800* AQ/NRV800LW B
POA
Out of stock
DN900* AQ/NRV900LW B
POA
Out of stock
DN1000* AQ/NRV1000LW B
POA
Out of stock
DN1200* AQ/NRV1200LW B
POA
Out of stock

Details

 Metal seat swing check valve used to prevent reserve flow. This valve is suitable for clean water, wastewater and sewage applications.

Technical Specifications

Standard: BS EN1074 Pt 3:2000, BS EN12334:2001 & BS5153:1974

Range: DN350 - DN1800

Flange & Drillings: BS EN1092-2 1987 Table 9 (PN16)

Face to Face Dimensions: BS EN558-1:1986 Table 10, Basic Series 10

Maximum working Pressure: 16 Bar

Hydrostatic Pressure Tests: Seat: 1.1PN (17.6 Bar) Body: 1.5 PN (24.0 Bar)

Temperature Range: -10 degrees to 70 degrees; insulate at 0 degrees and below

Coating: Blue fusion  bonded epoxy coated (WRAS listed)

Features

  • Unique lightweight ductile iron design
  • Gunmetal seats
  • Durable fusion bonded epoxy coated
  • Suitable for horizontal and vertical installation
  • Positive keyed drive between shaft and hanger
  • Optional guarded external weighted arm
  • 1/2" BSP air release tapping as standard
  • Robust low maintenance design
  • Safety guard

 

*Please contact our sales office for alternative flange drillings and pressure ratings on 01630 647200. Accessories available include external weighted arm kit, safety guard, flow sensing switches and bypass assemblies- see our valve accessories section or contact us for further information!

Applications

  • Clean Water Treatment Works
Type Code Weight (kg) Price PDF Delivery Status Compare

DN350 Metal Seat Gate Valve

AQ/NRV350LW

350

£4,140.00 £3,450.00

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DN400

AQ/NRV400LW

495

£5,817.60 £4,848.00

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DN450

AQ/NRV450LW

650

£8,355.60 £6,963.00

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DN500

AQ/NRV500LW

790

£10,927.20 £9,106.00

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DN600

AQ/NRV600LW

930

£15,297.60 £12,748.00

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DN700*

AQ/NRV700LW

1750

P.O.A.

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DN800*

AQ/NRV800LW

2640

P.O.A.

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DN900*

AQ/NRV900LW

3750

P.O.A.

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DN1000*

AQ/NRV1000LW

5830

P.O.A.

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DN1200*

AQ/NRV1200LW

9400

P.O.A.

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  • Same day dispatch
  • Lead times may apply
  • DN: Nominal Diameter. *Not WRAS approved but WRAS listed materials
  • ¤ Please note that these models are not available to buy online. Please contact our sales team for further information.

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