GA Figure 624, 625, 626:

Surge Relief Valve for Sewage, Angle or Wye Body

Size: 2" to 16"
Valve Type: Surge Relief Valve
Fluid: Wastewater

GA Industries Figures 624-D, 625-D and 626-D direct acting, spring loaded surge relief valves protect sewage and wastewater systems from excessively high pressure due to a sudden stoppage of pumping or valve closure.

The valves remain closed when the pressure at its inlet is below the spring setting but open as quickly as needed to discharge fluid out of the system at the rate necessary to prevent an excessive rise in pressure.The valve closes slowly and seals tightly when pressure decreases below the setting.

The valve’s streamlined, flow efficient, non-clogging long radius elbow or wye body provides dependable surge protection even when handling solids-laden fluids such as raw sewage.

Characteristics
  • Heavy duty, flow efficient long radius elbow or wye body
  • Tough 316 stainless steel replaceable body seat
  • Durable resilient disc seat for tight shutoff
  • Compression spring(s) enclosed in chambers, safer than exposed tension springs
  • Self-contained hydraulic closing speed control
Material
  • Body & Cover: Cast Iron, ASTM A126 Class B
  • Body Seat: Type 316 Stainless Steel
  • Disc: Ductile Iron, ASTM A536 Gr 65-45-12
  • Disc Seat: Thiokol Composition or UHMWPE
  • Shaft: Stainless Steel
  • External Fasteners: Steel, A307, Zinc Plated
  • Spring(s): Alloy Spring Steel, Painted
Corrosion Protection
  • Internal and External Carboline 891 NSF-61 Certified Epoxy, min 6 mil DFT
Downloads
Drawings and Parts List
Fig624-10-16in-k-1019
Download
Fig625-d-2-3in-k-1011-2
Download
Fig625-d-4-8in-k-1011
Download
Fig626-d-10-16in-k-1255
Download
Fig626-d-2-3in-k-1248-1
Download
Fig626-d-4-8in-k-1248
Download
Sample Specification
Ga-ssrv-spec Rev B
Download
Technical Datasheet
Sewage Surge Relief Data Sheet Ssrv-01b
Download
Sewage Surge Relief Sizing Guideline
Download
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Wastewater

Reliable wastewater valves designed for rigorous service

GA Industries sewage and wastewater valves are specially designed to accommodate the rigorous demands of the sewage collection, pumping and treatment process.

Whether a large regional sewage pump station, a small lift station or in-plant process pumping, GA Industries line of wastewater check, pump control and surge relief valves provide reliable service under difficult operating conditions. GA Industries ECO-Centric® plug valves handle solids and stringy material and are used in sewage and wastewater systems for pump, pipeline or process isolation.

Our full range of sewage and wastewater air valves automatically release air and sewage gas from forcemains to maintain pumping efficiency and minimize pipeline corrosion.

GA Figure 624, 625, 626:
Surge Relief Valve for Sewage, Angle or Wye Body
GA Figure 624, 625, 626 Image
Size: 2" to 16"
Valve Type: Surge Relief Valve
Fluid: Wastewater
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