By NORMA Group

By NORMA Group

Check Valves

Check Valve
Prevent water backflow with PVC one-way check valves from NDS. Ensure efficient flow and protect your irrigation and drain systems from costly damage.
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Key Features

  • Water flows one-way through check valves when the water pressure triggers the internal spring or flap to open
  • NDS offers 1/2 in. – 2 in. spring check valves, 3/4 in. – 4 in. swing check valves, as well as sump pump and foot valves
  • Spring check valves allow water through when the water pressure is greater than the weight of the spring
  • Swing check valves allow water through when the flap opens; flap shuts to prevent backflow if water direction changes
  • Check valves are made of polyvinyl chloride (PVC)

Applications

  • Directs water flow one-way through pipe and allows water through; prevents backflow and avoids costly property damage, pipe corrosion, and system issues

  • Use for subsurface irrigation or in sprinkler control system installation; works with most PVC pipe to transport water and prevent backflow in pressurized systems

  • Adjustable inline, true union, and compact spring check valves; low-profile, compression, true union, and sump pump swing check valves connect pipes and other system components to allow water to flow through and prevent backflow

Installation & Maintenance

  • Valve has ends that connect to pipe; ends can be turned to tighten onto pipe or may require solvent cement to keep in place

  • Valve can vibrate or emit noises to indicate damage; replace as needed

Materials & Sustainability

  • Check valves are made of polyvinyl chloride (PVC)

  • Onsite flow management protects pipe systems from backflow which can lead to corrosion of pipes, property damage, and issues with the flow system

Product Models

Part Number
Description
1001-05PVC Spring Check Valve, 1/2 in. IPS FPT X FPT, 1/2 lb. Spring, White
1002-05PVC Spring Check Valve, 1/2 in. IPS FPT X FPT, 2 lb. Spring, White
1001-07PVC Spring Check Valve, 3/4 in. IPS FPT X FPT, 1/2 lb. Spring, White
1002-07PVC Spring Check Valve, 3/4 in. IPS FPT X FPT, 2 lb. Spring, White
1001-10PVC Spring Check Valve, 1 in. IPS FPT X FPT, 1/2 lb. Spring, White
1002-10PVC Spring Check Valve, 1 in. IPS FPT X FPT, 2 lb. Spring, White
1001-12PVC Spring Check Valve, 1-1/4 in. IPS FPT X FPT, 1/2 lb. Spring, White
1002-12PVC Spring Check Valve, 1-1/4 in. IPS FPT X FPT, 2 lb. Spring, White
1001-15PVC Spring Check Valve, 1-1/2 in. IPS FPT X FPT, 1/2 lb. Spring, White
1002-15PVC Spring Check Valve, 1-1/2 in. IPS FPT X FPT, 2 lb. Spring, White
1001-20PVC Spring Check Valve, 2 in. IPS FPT X FPT, 1/2 lb. Spring, White
1002-20PVC Spring Check Valve, 2 in. IPS FPT X FPT, 2 lb. Spring, White
1001-25PVC Spring Check Valve, 2-1/2 in. IPS FPT X FPT, 1/2 lb. Spring, White
1001-30PVC Spring Check Valve, 3 in. IPS FPT X FPT, 1/2 lb. Spring, White
1002-30PVC Spring Check Valve, 3 in. IPS FPT X FPT, 2 lb. Spring, White

Part Number
Description
1205-05PVC Adjustable Spring Check Valve, 1/2 in. IPS FPT X FPT, 2 - 5 lb. Spring, White
1205-07PVC Adjustable Spring Check Valve, 3/4 in. IPS FPT X FPT, 2-1/2 - 5 lb. Spring, White
1205-07-20PVC Adjustable Spring Check Valve, 3/4 in. IPS FPT X FPT, 20 lb. Spring, White
1205-10PVC Adjustable Spring Check Valve, 1 in. IPS FPT X FPT, 4-1/8 - 17 lb. Spring, White
1228V15PVC Adjustable Spring Check Valve, 1-1/2 in. IPS S X S, 30 lb. Spring, White
1205-15PVC Adjustable Spring Check Valve, 1-1/2 in. IPS FPT X FPT, 3-1/2 - 50 lb. Spring, White
1205-20PVC Adjustable Spring Check Valve, 2 in. IPS FPT X FPT, 1-3/4 - 14-1/2 lb. Spring, White
1225-10PVC Adjustable Spring Check Valve, 2 in. IPS S X S, 4-1/4 - 17 lb. Spring, White

Part Number
Description
1011-05PVC Spring Check Valve, 1/2 in. IPS S X S, 1/2 lb. Spring, White
1012-05PVC Spring Check Valve, 1/2 in. IPS S X S, 2 lb. Spring, White
1011-07PVC Spring Check Valve, 3/4 in. IPS S X S, 1/2 lb. Spring, White
1012-07PVC Spring Check Valve, 3/4 in. IPS S X S, 2 lb. Spring, White
1011-10PVC Spring Check Valve, 1 in. IPS S X S, 1/2 lb. Spring, White
1011C10PVC Spring Check Valve, 1 in. IPS S X S, 1/2 lb. Spring, Clear
1012-10PVC Spring Check Valve, 1 in. IPS S X S, 2 lb. Spring, White
1011-12PVC Spring Check Valve, 1-1/4 in. IPS S X S, 1/2 lb. Spring, White
1012-12PVC Spring Check Valve, 1-1/4 in. IPS S X S, 2 lb. Spring, White
1011-15PVC Spring Check Valve, 1-1/2 in. IPS S X S, 1/2 lb. Spring, White
1012-15PVC Spring Check Valve, 1-1/2 in. IPS S X S, 2 lb. Spring, White
1011-20PVC Spring Check Valve, 2 in. IPS S X S, 1/2 lb. Spring, White
1011C20PVC Spring Check Valve, 2 in. IPS S X S, 1/2 lb. Spring, Clear
1012-20PVC Spring Check Valve, 2 in. IPS S X S, 2 lb. Spring, White
1012-25PVC Spring Check Valve, 2-1/2 in. IPS S X S, 2 lb. Spring, White
1015-25PVC Spring Check Valve, 2-1/2 in. IPS S X S, 5 lb. Spring, White
1011-30PVC Spring Check Valve, 3 in. IPS S X S, 1/2 lb. Spring, White
1012-30PVC Spring Check Valve, 3 in. IPS S X S, 2 lb. Spring, White

Part Number
Description
1790-15PVC Compact True Union Spring Check Valve, 1-1/2 in. IPS S X S, 1/2 lb. Spring, White
1790C15PVC Compact True Union Spring Check Valve, 1-1/2 in. IPS S X S, 1/2 lb. Spring, Clear
1790-20PVC Compact True Union Spring Check Valve, 2 in. IPS S X S, 1/2 lb. Spring, White
1790C20PVC Compact True Union Spring Check Valve, 2 in. IPS S X S, 1/2 lb. Spring, Clear
1795C20PVC Compact True Union Spring Check Valve, 2 in. IPS S X S, 5 lb. Spring, Clear

Part Number
Description
S1050-20PVC Air Check Valve, 1-1/2 in. IPS S X 2 in. Spigot, 1/4 lb. Spring, White
S1050C20PVC Air Check Valve, 1-1/2 in. IPS S X 2 in. Spigot, 1/4 lb. Spring, Clear
1055C20PVC Air Check Valve, 1-1/2 in. IPS S X 2 in. Spigot, 5 lb. Spring, Clear
1053C20PVC Air Check Valve, 1-1/2 in. IPS S X 2 in. Spigot, 3 lb. Spring, Clear
1050C20PVC Air Check Valve, 1-1/2 in. IPS S X 2 in. Spigot, 1/4 lb. Spring, Clear
1050C10PVC Air Check Valve, 1 in. IPS S X 1-1/4 in. Spigot, 1/4 lb. Spring, Clear
S1052C20PVC Air Check Valve, 1-1/2 in. IPS S X 2 in. Spigot, 2 lb. Spring, Clear

Part Number
Description
1010-05-0PVC Breakaway Coupling Valve, 1/2 in. IPS FPT X FPT, Orange
1010-07-0PVC Breakaway Coupling Valve, 3/4 in. IPS FPT X FPT, Orange

Part Number
Description
CV-0500-FFPVC Adjustable Inline Spring Check Valve, 1/2 in. IPS FPT X FPT, 5 lb. Spring, Gray
CV-0500-FMPVC Adjustable Inline Spring Check Valve, 1/2 in. IPS FPT X MPT, 5 lb. Spring, Gray
CV-0500-MFPVC Adjustable Inline Spring Check Valve, 1/2 in. IPS MPT X FPT, 5 lb. Spring, Gray
CV-0750-FFPVC Adjustable Inline Spring Check Valve, 3/4 in. IPS FPT X FPT, 5 lb. Spring, Gray
CV-0750-MFPVC Adjustable Inline Spring Check Valve, 3/4 in. IPS MPT X FPT, 5 lb. Spring, Gray
CV-1000-FFPVC Adjustable Inline Spring Check Valve, 1 in. IPS FPT X FPT, 5 lb. Spring, Gray
CV-1000-MFPVC Adjustable Inline Spring Check Valve, 1 in. IPS MPT X FPT, 5 lb. Spring, Gray

Part Number
Description
1001-15FVPVC Foot Valve, 1-1/2 in. IPS FPT, 1/2 lb. Spring, White
1001-20FVPVC Foot Valve, 2 in. IPS FPT, 1/2 lb. Spring, White
1800-07Foot Valve Screen, 3/4 in. IPS, 100 Mesh
1800-10Foot Valve Screen, 1 in. IPS, 100 Mesh
1800-12Foot Valve Screen, 1-1/4 in. IPS, 100 Mesh
1800-15Foot Valve Screen, 1-1/2 in. IPS, 100 Mesh
1800-20Foot Valve Screen, 2 in. IPS, 100 Mesh

Part Number
Description
1500-12PVC Compression Swing Check Valve, 1-1/4 in. IPS UC X UC, White
1500-15PVC Compression Swing Check Valve, 1-1/2 in. IPS UC X UC, White
1500C15PVC Compression Swing Check Valve, 1-1/2 in. IPS UC X UC, Clear
1500-20PVC Compression Swing Check Valve, 2 in. IPS UC X UC, White
1500C20PVC Compression Swing Check Valve, 2 in. IPS UC X UC, Clear
1500-30PVC Compression Swing Check Valve, 3 in. IPS UC X UC, White

Part Number
Description
1520-05FPVC Swing Check Valve, 1/2 in. IPS FPT X FPT, White
1520C05FPVC Swing Check Valve, 1/2 in. IPS FPT X FPT, Clear
1520-07FPVC Swing Check Valve, 3/4 in. IPS FPT X FPT, White
1520C07FPVC Swing Check Valve, 3/4 in. IPS FPT X FPT, Clear
1520-10FPVC Swing Check Valve, 1 in. IPS FPT X FPT, White
1520C10FPVC Swing Check Valve, 1 in. IPS FPT X FPT, Clear
1520-12FPVC Swing Check Valve, 1-1/4 in. IPS FPT X FPT, White
1520-15FPVC Swing Check Valve, 1-1/2 in. IPS FPT X FPT, White
1520C15FPVC Swing Check Valve, 1-1/2 in. IPS FPT X FPT, Clear
1520-20FPVC Swing Check Valve, 2 in. IPS FPT X FPT, White
1520C20FPVC Swing Check Valve, 2 in. IPS FPT X FPT, Clear

Part Number
Description
1520-05PVC Swing Check Valve, 1/2 in. IPS S X S, White
1520C05PVC Swing Check Valve, 1/2 in. IPS S X S, Clear
1520-07PVC Swing Check Valve, 3/4 in. IPS S X S, White
1520C07PVC Swing Check Valve, 3/4 in. IPS S X S, Clear
1520-10PVC Swing Check Valve, 1 in. IPS S X S, White
1520C10PVC Swing Check Valve, 1 in. IPS S X S, Clear
1520-12PVC Swing Check Valve, 1-1/4 in. IPS S X S, White
1520C12PVC Swing Check Valve, 1-1/4 in. IPS S X S, Clear
1520-15PVC Swing Check Valve, 1-1/2 in. IPS S X S, White
1520C15PVC Swing Check Valve, 1-1/2 in. IPS S X S, Clear
1520-20PVC Swing Check Valve, 2 in. IPS S X S, White
1520C20PVC Swing Check Valve, 2 in. IPS S X S, Clear
1520-30PVC Swing Check Valve, 3 in. IPS S X S, White
1520C30PVC Swing Check Valve, 3 in. IPS S X S, Clear
1520-40PVC Swing Check Valve, 4 in. IPS S X S, White
1520C40PVC Swing Check Valve, 4 in. IPS S X S, Clear
1520C15VPVC Swing Check Valve, 1-1/2 in. IPS S X S with Viton™ O-Ring, Clear
1520V20PVC Swing Check Valve, 2 in. IPS S X S with Viton™ O-Ring, White

Part Number
Description
KSL-0750-SPVC Low-profile Swing Check Valve, 3/4 in. IPS S X S, White
KSL-1000-SPVC Low-profile Swing Check Valve, 1 in. IPS S X S, White
KSL-1500-SPVC Low-profile Swing Check Valve, 1-1/2 in. IPS S X S, White
KSL-2000-SPVC Low-profile Swing Check Valve, 2 in. IPS S X S, White

Part Number
Description
1720C07PVC True Union Swing Check Valve, 3/4 in. IPS U X U, Clear
1720-10PVC True Union Swing Check Valve, 1 in. IPS U X U, White
1720C10PVC True Union Swing Check Valve, 1 in. IPS U X U, Clear
1720-15PVC True Union Swing Check Valve, 1-1/2 in. IPS U X U, White
1720C15PVC True Union Swing Check Valve, 1-1/2 in. IPS U X U, Clear
1720-20PVC True Union Swing Check Valve, 2 in. IPS U X U, White
1720C20PVC True Union Swing Check Valve, 2 in. IPS U X U, Clear
1720-30PVC True Union Swing Check Valve, 3 in. IPS U X U, White
1720C30PVC True Union Swing Check Valve, 3 in. IPS U X U, Clear
  
1400-15PVC Sump Pump Swing Check Valve, 1-1/4 in. and 1-1/2 in. IPS UC, White

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