Duckbill Check Valves

Precision-molded, one-piece elastomeric valves designed to provide forward flow rates at low pressures and are non-position sensitive.

 Outer Diameter 
 Geometry NumbermmInchesComments 
VA3120

VA3120View Data Sheet

Outer Diameter (mm): 2.41Outer Diameter (Inches): 0.095Comments: Miniature, CompactView Product

VA3120

The VA3120 design is a very compact duckbill that provides a simple check valve in a small space. Relatively large flange for easy mounting but with short length. Not recommended for high flow applications.

 ProductMaterial NumberMaterial TypeColorPrice/Lot 

V160910100 (View Data Sheet)

Material Number: VL1704Z6Material Type: EPDMColor: Black $2,325.00
(500/Lot)
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VA3272

VA3272View Data Sheet

Outer Diameter (mm): 3.02Outer Diameter (Inches): 0.119Comments: High Back Pressure, MiniatureView Products

VA3272

The VA3272 design is recommended when a very small check valve is needed and relatively low flow for its size. Curved lip design will withstand very high reverse pressures.

 ProductMaterial NumberMaterial TypeColorPrice/Lot 

V221210400 (View Data Sheet)

Material Number: VL1001M12Material Type: SiliconeColor: Grey $2,325.00
(500/Lot)
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V085710100 (View Data Sheet)

Material Number: VL1704Z6Material Type: EPDMColor: Black $2,325.00
(500/Lot)
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VA3426

VA3426View Data Sheet

Outer Diameter (mm): 4.01Outer Diameter (Inches): 0.158Comments: High Back Pressure, CompactView Product

VA3426

The VA3426 design is a small and compact valve. Low leakage and high reverse pressure duckbill. Somewhat restricted flow for its size.

 ProductMaterial NumberMaterial TypeColorPrice/Lot 

V080410100 (View Data Sheet)

Material Number: VL1704Z6Material Type: EPDMColor: Black $2,325.00
(500/Lot)
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VA3582

VA3582View Data Sheet

Outer Diameter (mm): 4.06Outer Diameter (Inches): 0.160Comments: Standard Smaller SizeView Products

VA3582

The VA3582 design is a general purpose, small sized duckbill. Good flow and leakage. Available in a wide range of materials for use in air, fuels, motor oils, water, and medical applications.

 ProductMaterial NumberMaterial TypeColorPrice/Lot 
Placeholder

V149010300 (View Data Sheet)

Material Number: VL1001M12Material Type: SiliconeColor: Grey $2,325.00
(500/Lot)
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V0312110VI (View Data Sheet)

Material Number: VL1401M247Material Type: FluorosiliconeColor: Orange $2,325.00
(500/Lot)
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V0468102VI (View Data Sheet)

Material Number: VL1501T251Material Type: FluorocarbonColor: Green $2,325.00
(500/Lot)
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V061010100 (View Data Sheet)

Material Number: VL1703Z28Material Type: EPDMColor: Black $2,325.00
(500/Lot)
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V061010200 (View Data Sheet)

Material Number: VL1706Z8Material Type: EPDMColor: Black $2,325.00
(500/Lot)
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VA6898

VA6898View Data Sheet

Outer Diameter (mm): 4.17Outer Diameter (Inches): 0.164Comments: Miniature,Low LeakageView Products

VA6898

The VA6898 design is a compact, general purpose duckbill. Normally open valve. Valve in VMQ is also available in a plastic housing as part number VL1300-217.

 ProductMaterial NumberMaterial TypeColorPrice/Lot 

V216310700 (View Data Sheet)

Material Number: VL1001M12Material Type: SiliconeColor: Grey $2,325.00
(500/Lot)
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V452410300 (View Data Sheet)

Material Number: VL1704M3Material Type: EPDMColor: Black $2,325.00
(500/Lot)
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VA3893

VA3893View Data Sheet

Outer Diameter (mm): 4.19Outer Diameter (Inches): 0.165Comments: Oval ShapeView Product

VA3893

The VA3893 specially designed duckbill has a preload to ensure low leakage at low reverse pressures. This preload significantly reduces forward flow as the preload must be overcome to open the valve in the forward direction. Contact Vernay for special mounting instructions.

 ProductMaterial NumberMaterial TypeColorPrice/Lot 

V029710600 (View Data Sheet)

Material Number: VL1713Z19Material Type: EPDMColor: Black $2,325.00
(500/Lot)
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VA4838

VA4838View Data Sheet

Outer Diameter (mm): 6.35Outer Diameter (Inches): 0.250Comments: Low Cracking PressureView Products

VA4838

The VA4838 design is a high flow duckbill used in medical applications. Available in a plastic housing with a variety of different fitments as the VL1300-200 series of parts.

 ProductMaterial NumberMaterial TypeColorPrice/Lot 

V13005030A (View Data Sheet)

Material Number: VL1001M11Material Type: SiliconeColor: White $2,325.00
(500/Lot)
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V241310100 (View Data Sheet)

Material Number: VL1401M247Material Type: FluorosiliconeColor: Orange $2,325.00
(500/Lot)
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VA3562

VA3562View Data Sheet

Outer Diameter (mm): 6.45Outer Diameter (Inches): 0.254Comments: Low Cracking PressureView Products

VA3562

The VA3562 design is a general purpose medical duckbill. High flow and low leakage valve designed for relatively low pressures such as IV drip assemblies.

 ProductMaterial NumberMaterial TypeColorPrice/Lot 

V174210200 (View Data Sheet)

Material Number: VL1001M11Material Type: SiliconeColor: White $2,325.00
(500/Lot)
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V023511200 (View Data Sheet)

Material Number: VL1001M12Material Type: SiliconeColor: Grey $2,325.00
(500/Lot)
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VA3640

VA3640View Data Sheet

Outer Diameter (mm): 7.65Outer Diameter (Inches): 0.301Comments: Standard Moderate FlowView Products

VA3640

The VA3640 design is a general-purpose normally open check valve. Very high flow (low pressure drop) for its size. Typical uses are medical equipment and fuel systems.

 ProductMaterial NumberMaterial TypeColorPrice/Lot 

V101710100 (View Data Sheet)

Material Number: VL1401M247Material Type: FluorosiliconeColor: Orange $2,325.00
(500/Lot)
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V246110200 (View Data Sheet)

Material Number: VL1001M12Material Type: SiliconeColor: Grey $2,325.00
(500/Lot)
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Placeholder

VA3469View Data Sheet

Outer Diameter (mm): 7.75Outer Diameter (Inches): 0.305Comments: Oval ShapeView Product

VA3469

The VA3469 specially designed duckbill has a preload to ensure low leakage at low reverse pressures. This preload significantly reduces forward flow as the preload must be overcome to open the valve in the forward direction. Contact Vernay for special mounting instructions.

 ProductMaterial NumberMaterial TypeColorPrice/Lot 

V029710500 (View Data Sheet)

Material Number: VL1706Z8Material Type: EPDMColor: Black $2,325.00
(500/Lot)
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VA3677

VA3677View Data Sheet

Outer Diameter (mm): 8.51Outer Diameter (Inches): 0.335Comments: High Back PressureView Products

VA3677

The VA3677 design has high reverse pressure with some compromise on flow for its size. Typical uses are in automotive fuel and medical applications.

 ProductMaterial NumberMaterial TypeColorPrice/Lot 

V019613800 (View Data Sheet)

Material Number: VL1401M247Material Type: FluorosiliconeColor: Orange $2,325.00
(500/Lot)
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V294110100 (View Data Sheet)

Material Number: VL1001M12Material Type: SiliconeColor: Grey $2,325.00
(500/Lot)
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VA4394

VA4394View Data Sheet

Outer Diameter (mm): 9.53Outer Diameter (Inches): 0.375Comments: Cross SlitView Product

VA4394

The VA4394 design is a medical check valve and can be used as a catheter introducer seal. Four flutes provide low insertion force while compromisng the reverse leakage somewhat due to the need for all four portions to come together and seal when reverse pressure is applied.

 ProductMaterial NumberMaterial TypeColorPrice/Lot 

V102610700 (View Data Sheet)

Material Number: VL1001M12Material Type: SiliconeColor: Grey $2,325.00
(500/Lot)
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VA4295

VA4295View Data Sheet

Outer Diameter (mm): 10.11Outer Diameter (Inches): 0.398Comments: High Back PressureView Product

VA4295

The VA4295 design is a high reverse pressure duckbill with some compromise on flow for its size. Typical uses are in automotive fuel and medical applications.

 ProductMaterial NumberMaterial TypeColorPrice/Lot 

V296610100 (View Data Sheet)

Material Number: VL1401M187Material Type: FluorosiliconeColor: Orange $2,600.00
(500/Lot)
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VA6908

VA6908View Data Sheet

Outer Diameter (mm): 11.96Outer Diameter (Inches): 0.471Comments: Snap-In DesignView Product

VA6908

The VA6908 design is a snap-in, high flow (low pressure loss) check valve. The VMQ material is suitable for medical applications.

 ProductMaterial NumberMaterial TypeColorPrice/Lot 

V288310100 (View Data Sheet)

Material Number: VL1001M12Material Type: SiliconeColor: Grey $2,325.00
(500/Lot)
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VA3512

VA3512View Data Sheet

Outer Diameter (mm): 16.00Outer Diameter (Inches): 0.630Comments: Standard High FlowView Products

VA3512

The VA3512 design is a large, conventional duckbill. Recommended for applications where high flow, relatively low valve pressure drop, and reverse leakage at low reverse pressures are not an issue. An example application would be as the inlet and outlet for a reciprocating pump.

 ProductMaterial NumberMaterial TypeColorPrice/Lot 

V451310200 (View Data Sheet)

Material Number: VL25Z1Material Type: NitrileColor: Black $3,400.00
(500/Lot)
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V451310300 (View Data Sheet)

Material Number: VL1001M12Material Type: SiliconeColor: Grey $3,400.00
(500/Lot)
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V451310400 (View Data Sheet)

Material Number: VL1401M247Material Type: FluorosiliconeColor: Orange $3,400.00
(500/Lot)
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