Medical Umbrella Check Valves

Designed to be normally closed when there is no pressure differential across the valve. Designed to open and allow flow at predefined pressure differential. We have a wide range performance available from our family of umbrella products, each with a specific opening and closing pressure.

Outer Diameter

Geometry Number mm Inches Comments

VA31560View Data Sheet

Outer Diameter (mm): 7.4

Outer Diameter (Inches): 0.291

Comments: Push-In

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VA31560

	Product	Material Number	Material Type	Color	Price/Lot
	V573210100 (View Data Sheet)	Material Number: VL1001P260	Material Type: VMQ	Color: Clear	$2,325.00 (500/Lot)	Add to cart

VA3497View Data Sheet

Outer Diameter (mm): 6.22

Outer Diameter (Inches): 0.245

Comments: Push-In, No Shoulder

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VA3497

The VA3497 is a relatively thick-sectioned, vented stem, push-in design intended for pressure relief applications.Thickness of the seat can be changed to adjust relief pressure.Test data was performed using a seat thickness of 2.08 mm. Low cost material is suitable for use in air and water.

Product	Material Number	Material Type	Color	Price/Lot
V102610100 (View Data Sheet)	Material Number: VL1719Z33	Material Type: EPDM	Color: Black	$2,325.00 (500/Lot)	Add to cart
V168210500 (View Data Sheet)	Material Number: VL1001M12	Material Type: Silicone	Color: Grey	$2,325.00 (500/Lot)	Add to cart
V181810100 (View Data Sheet)	Material Number: VL29Z49	Material Type: Nitrile	Color: Black	$2,325.00 (500/Lot)	Add to cart
V260310100 (View Data Sheet)	Material Number: VL1401M229	Material Type: Fluorosilicone	Color: Blue	$2,325.00 (500/Lot)	Add to cart
V426010100 (View Data Sheet)	Material Number: VL1001P74	Material Type: Silicone	Color: Lt Grey	$2,325.00 (500/Lot)	Add to cart

VA6197View Data Sheet

Outer Diameter (mm): 6.88

Outer Diameter (Inches): 0.271

Comments: Pull-In

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VA6197

The VA6197 design is a small sized, general purpose, pull-in umbrella. VL1401M187 Material is suitable for fuel applications.

	Product	Material Number	Material Type	Color	Price/Lot
	V194010500 (View Data Sheet)	Material Number: VL1401M187	Material Type: Fluorosilicone	Color: Orange	$2,325.00 (500/Lot)	Add to cart

VA3333View Data Sheet

Outer Diameter (mm): 7.50

Outer Diameter (Inches): 0.295

Comments: Pull-In

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VA3333

The VA3333 design is a small sized, general purpose, pull-in umbrella.

	Product	Material Number	Material Type	Color	Price/Lot
	V119510200 (View Data Sheet)	Material Number: VL1704Z6	Material Type: EPDM	Color: Black	$2,325.00 (500/Lot)	Add to cart
	V260110200 (View Data Sheet)	Material Number: VL1001M12	Material Type: Silicone	Color: Grey	$2,325.00 (500/Lot)	Add to cart

VA4687View Data Sheet

Outer Diameter (mm): 10.20

Outer Diameter (Inches): 0.400

Comments: Push-In

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VA4687

The VA4687 design is a medium sized, general purpose, push-in umbrella. Materials are suitable for fuel applications.

	Product	Material Number	Material Type	Color	Price/Lot
	V031212400 (View Data Sheet)	Material Number: VL1502T118	Material Type: Fluorocarbon	Color: Black	$2,325.00 (500/Lot)	Add to cart

VA5219View Data Sheet

Outer Diameter (mm): 10.35

Outer Diameter (Inches): 0.407

Comments: Pull-In

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VA5219

The VA5219 design is a medium sized, general purpose, pull-in umbrella.

	Product	Material Number	Material Type	Color	Price/Lot
	V228710100 (View Data Sheet)	Material Number: VL1401M247	Material Type: Fluorosilicone	Color: Orange	$2,325.00 (500/Lot)	Add to cart
	V251010200 (View Data Sheet)	Material Number: VL1001M13	Material Type: Silicone	Color: Blue	$2,325.00 (500/Lot)	Add to cart

VA3206View Data Sheet

Outer Diameter (mm): 11.90

Outer Diameter (Inches): 0.469

Comments: Push-In, No Shoulder

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VA3206

The VA3206 design is a relatively thick-sectioned, vented stem, push-in umbrella intended for pressure relief applications. The thickness of the seat can be changed to adjust the relief pressure. Test data was performed using a seat thickenss of .075 inches (1.905 mm).

	Product	Material Number	Material Type	Color	Price/Lot
	V262510100 (View Data Sheet)	Material Number: VL1714Z244	Material Type: EPDM	Color: Black	$2,325.00 (500/Lot)	Add to cart
	V039910100 (View Data Sheet)	Material Number: VL22Z107	Material Type: Nitrile	Color: Black	$2,325.00 (500/Lot)	Add to cart

VA3123View Data Sheet

Outer Diameter (mm): 14.70

Outer Diameter (Inches): 0.580

Comments: Pull-In

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VA3123

The VA3123 is a medium-sized, general purpose, pull-in umbrella.

Product	Material Number	Material Type	Color	Price/Lot
V136910300 (View Data Sheet)	Material Number: VL1001M14	Material Type: Silicone	Color: Lt Grey	$2,325.00 (500/Lot)	Add to cart
V142210100 (View Data Sheet)	Material Number: VL1502T380	Material Type: Fluorocarbon	Color: Black	$2,325.00 (500/Lot)	Add to cart
V022510100 (View Data Sheet)	Material Number: VL1704Z6	Material Type: EPDM	Color: Black	$2,325.00 (500/Lot)	Add to cart

VA3859View Data Sheet

Outer Diameter (mm): 14.70

Outer Diameter (Inches): 0.580

Comments: Stemless

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VA3859

The VA3859 design is a stemless umbrella, designed to be mounted between two flat plates with a spacing of 3 mm.

	Product	Material Number	Material Type	Color	Price/Lot
	V108210800 (View Data Sheet)	Material Number: VL1001M146	Material Type: Silicone	Color: White	$2,325.00 (500/Lot)	Add to cart

VA6067View Data Sheet

Outer Diameter (mm): 15.40

Outer Diameter (Inches): 0.606

Comments: Push-In

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VA6067

The VA6067 is a medium sized, general purpose, push-in umbrella.

	Product	Material Number	Material Type	Color	Price/Lot
	V292810101 (View Data Sheet)	Material Number: VL1401M187	Material Type: Fluorosilicone	Color: Orange	$2,325.00 (500/Lot)	Add to cart

VA9855View Data Sheet

Outer Diameter (mm): 15.90

Outer Diameter (Inches): 0.626

Comments: Pull-In

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VA9855

The VA9855 design is a medium sized, general purpose, pull-in umbrella. VL1502T94 material is suitable for water, fuel, and motor oil applications.

	Product	Material Number	Material Type	Color	Price/Lot
	V450410400 (View Data Sheet)	Material Number: VL1502T94	Material Type: Fluorocarbon	Color: Black	$2,325.00 (500/Lot)	Add to cart

VA5495View Data Sheet

Outer Diameter (mm): 16.50

Outer Diameter (Inches): 0.650

Comments: Push-In, Flat Top

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VA5495

The VA5495 design is a relatively thick sectioned, push-in umbrella. Designed to withstand 2 bar or more reverse pressure (depending on seat design). Remains open at relatively low pressure. VL1401M271 material is suitable for use in fuel applications.

	Product	Material Number	Material Type	Color	Price/Lot
	V140710200 (View Data Sheet)	Material Number: VL1401M271	Material Type: Fluorosilicone	Color: Orange	$2,325.00 (500/Lot)	Add to cart

VA3733View Data Sheet

Outer Diameter (mm): 20.75

Outer Diameter (Inches): 0.817

Comments: Push-In

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VA3733

The VA 3733 is a large, relatively thick sectioned, push-in umbrella. Designed to withstand 2.5 to 4 bar or more reverse pressure (depending on seat design and material) but still open at relatively low pressures.

	Product	Material Number	Material Type	Color	Price/Lot
	V184910400 (View Data Sheet)	Material Number: VL1001M342	Material Type: Silicone	Color: White	$2,325.00 (500/Lot)	Add to cart

VA3235View Data Sheet

Outer Diameter (mm): 20.80

Outer Diameter (Inches): 0.818

Comments: Push-In

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VA3235

The VA3235 is a larger sized, general purpose, push-in umbrella.

	Product	Material Number	Material Type	Color	Price/Lot
	V184910700 (View Data Sheet)	Material Number: VL1001M12	Material Type: Silicone	Color: Grey	$2,325.00 (500/Lot)	Add to cart
	V229812500	Material Number: VL1401M247	Material Type: Fluorosilicone	Color: Orange	$2,325.00 (500/Lot)	Add to cart

VA3095View Data Sheet

Outer Diameter (mm): 25.60

Outer Diameter (Inches): 1.008

Comments: Pull-In

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VA3095

The VA3095 design is a very large, low cracking pressure, high flow umbrella.

Product	Material Number	Material Type	Color	Price/Lot
V013018400 (View Data Sheet)	Material Number: VL1401M247	Material Type: Fluorosilicone	Color: Orange	$2,600.00 (500/Lot)	Add to cart
V013020500 (View Data Sheet)	Material Number: VL1502T457	Material Type: Fluorocarbon	Color: Black	$2,600.00 (500/Lot)	Add to cart
V013020700 (View Data Sheet)	Material Number: VL1714M1	Material Type: EPDM	Color: Black	$2,600.00 (500/Lot)	Add to cart
V013020800 (View Data Sheet)	Material Number: VL1001M12	Material Type: Silicone	Color: Grey	$2,600.00 (500/Lot)	Add to cart

VA6086View Data Sheet

Outer Diameter (mm): 32.40

Outer Diameter (Inches): 1.275

Comments: Pull-In

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VA6086

	Product	Material Number	Material Type	Color	Price/Lot
	V177310200 (View Data Sheet)	Material Number: VL22M19	Material Type: Nitrile	Color: Black	$2,600.00 (500/Lot)	Add to cart

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