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One-way check valve PP with spring inside

EUR 10.90

(excl. VAT)

Plastic laboratory check valve (non-return valve or one-way valve) with hose barbs for tubing.

Helps prevent liquid from running out of the tubing after each dose.

Item numbers and tubing sizes

DXF/T-14 – suitable for tubing with an inner diameter of 1.6 mm (14#)
DXF/T-16 – suitable for tubing with an inner diameter of 3.1 mm (16#)
DXF/T-25 – suitable for tubing with an inner diameter of 4.8 mm (15#, 25#)
DXF/T-17 – suitable for tubing with an inner diameter of 6.4 mm (17#, 24#, 26#)
DXF/T-18 – suitable for tubing with an inner diameter of 7.9 mm (18#, 35#)
DXF/T-36 – suitable for tubing with an inner diameter of 9.6 mm (36#, 73#)

Materials

Valve body: PP (polypropylene)
Sealing ring: Rubber
Spring: 316 stainless steel
Ball: 316 stainless steel

One-way check valve PP with spring inside

Items

Price

Note

Quantity

Size: for tubing ID: 1.6 mm (14#)

Model/Product no.: CHECK-VALVE 14#

EUR 10.90

(excl. VAT)

22 pcs. in stock

Weight: 0.05 kg
Size: for tubing ID: 3.1 mm (16#)

Model/Product no.: CHECK-VALVE 16#

EUR 10.90

(excl. VAT)

12 pcs. in stock

Weight: 0.05 kg
Size: for tubing ID: 4.8 mm (15#, 25#)

Model/Product no.: CHECK-VALVE 15#

EUR 10.90

(excl. VAT)

18 pcs. in stock

Weight: 0.05 kg
Size: for tubing ID: 6.4 mm (17#, 24#, 26#)

Model/Product no.: CHECK-VALVE 17#

EUR 10.90

(excl. VAT)

12 pcs. in stock

Weight: 0.05 kg
Size: for tubing ID: 7.9 mm (18#, 35#)

Model/Product no.: CHECK-VALVE 18#

EUR 10.90

(excl. VAT)

11 pcs. in stock

Weight: 0.05 kg
Size: for tubing ID: 9.6 mm (36#, 73#)

Model/Product no.: CHECK-VALVE 36#

EUR 10.90

(excl. VAT)

6 pcs. in stock

Weight: 0.05 kg

Spring-loaded check valve in PP

This spring-loaded check valve in PP is designed for use in liquid and gas systems where it effectively prevents backflow. The valve opens at low pressure and closes under back pressure, ensuring a reliable one-way flow.

Key features

Made of PP
With internal spring
Opening pressure: < 2 kPa
Back pressure: > 300 kPa
Used in liquid and gas systems to prevent backflow

Technical specifications

Valve type: Spring Check Valve
Materials:
- Valve body: PP (polypropylene)
- Sealing ring: Rubber
- Spring: 316 stainless steel
- Ball: 316 stainless steel
Opening pressure: < 2 kPa
Back pressure: > 300 kPa

Applications

Liquid systems
Gas systems
Applications where backflow prevention is required

Item numbers and tubing sizes

DXF/T-14 – suitable for tubing with an inner diameter of 1.6 mm (14#)
DXF/T-16 – suitable for tubing with an inner diameter of 3.1 mm (16#)
DXF/T-25 – suitable for tubing with an inner diameter of 4.8 mm (15#, 25#)
DXF/T-17 – suitable for tubing with an inner diameter of 6.4 mm (17#, 24#, 26#)
DXF/T-18 – suitable for tubing with an inner diameter of 7.9 mm (18#, 35#)
DXF/T-36 – suitable for tubing with an inner diameter of 9.6 mm (36#, 73#)

Documentation

Datasheet with technical specifications and dimensional drawings is available under the downloads tab.

Dimensions (mm)

The dimensions refer to the drawing above and can be used to verify the correct size before ordering.

Model	Tubing size (#)	D1 (mm)	D2 (mm)	D3 (mm)	L (mm)
DXF/T-13	13#	1.64	2.61	14.97	23.22
DXF/T-14	14#	2.32	2.9	15.09	23.03
DXF/T-16	16#	4.8	6.53	19.34	37.8
DXF/T-25	25# / 15#	5.6	7	16.47	44.4
DXF/T-17	17# / 24# / 26#	8	9.88	18.45	40
DXF/T-18	18# / 35#	10	11.1	20.48	57.62
DXF/T-36	36# / 73#	12.52	13.5	21.97	62.93