Check Valve

Lug Type Double Plate Check Valve

Debug Β· supplier source (internal only)

Specifications

Confirmed at quote
Size Range
NPS 8"-NPS 60"
Pressure Class
Class 150/Class 900
Standards
API 594, API 6D, ASME B16.34, ASME B16.10, ASME B16.5, ASME B16.47, API 598
End connection
Lug type; ASME B16.5, ASME B16.47
Face-to-face
API 594, API 6D, ASME B16.10

Available pressure classes

Pressure classes this product is rated to.

Configure your variant(manually adjust box on the right if you require a different spec)

Size
Pressure
End connection

Materials

All available material options per part. Click a pill to set it in the configurator.

body
disc
shaft
o ring
forged body alternative
gland

Operating media

wateroilgas

Features

  • Short face-to-face dimension facilitates installation, handling, storage and pipeline layout
  • Dual-flap design reduces fluid resistance compared to single-disc construction
  • Each flap is half the size of a full single disc, halving the rotation radius and reducing travel time to closed position by up to 50%
  • Reduced flap weight minimises slamming and water hammer
  • Dual-plate (double-disc) lug-type wafer check valve
  • Lug-style body with threaded bolt holes for end-of-line installation
  • Lifting eye/lug at top of body
  • Stainless steel disc plates with visible centre hinge pin
  • Heavy-wall cast body construction

Notes

  • Diagram: Product photograph of a dual-plate lug wafer check valve in stainless steel/carbon steel construction, showing lug body with circumferential bolt holes and twin semi-circular disc plates

Description

A lug-type double plate (dual disc) check valve designed for pipeline installations where short face-to-face dimensions are required. The dual-flap configuration reduces fluid resistance and travel distance to the closed position, minimising water hammer. Available in sizes NPS 8–60" and pressure classes 150–900 Lb.

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