This is a zinc plated steel spring loaded check valve that allows free flow in one direction and prevents it from going in the opposite direction. It has a 20 mm cutting ring with a M30x2 union nut on both sides. Rated for S (heavy) load classes. It has an NBR seal that makes it suitable for applications within a temperature range from -20 to 100 °C (-4 to 212 °F). The operating pressure range is 1 to 400 bar (15 to 5800 psi). It is made in accordance with ISO 8434-1.
Pros:
- Adheres to ISO 8434-1
- Suitable for hydraulic applications
Specifications
Union nut thread : M30 x 2
Load class (DIN 2353) : S (heavy)
Connection type : Cutting ring
Material : Steel
Seal material : NBR (nitrile rubber)
Max pressure at 20 °C (bar) : 400
Min temperature (°C) : -20
Max temperature (°C) : 100

![FKM O-ring 8 x 1.9mm (OD 11.8mm) 80 Shore A [50 Pieces]](https://www.drillforgepro24.com/wp-content/uploads/2026/06/or.19a44f36_dc3b6201-8fc1-4bae-8a45-6c00a3954c95.webp)
![FKM O-ring 6.5 x 2mm (OD 10.5mm) 80 Shore A [50 Pieces]](https://www.drillforgepro24.com/wp-content/uploads/2026/06/or.19a44f36_5980b554-225c-4f32-802e-97e3c68db32f.webp)
![EPDM O-ring 9 x 1.5mm (OD 12mm) 70 Shore A [50 Pieces]](https://www.drillforgepro24.com/wp-content/uploads/2026/06/or.19a44f36_5ce887fc-0734-4905-b97e-6b06af60e1f7.webp)
![NBR O-ring 74.2 x 5.7mm (OD 85.6mm) 70 Shore A [20 Pieces]](https://www.drillforgepro24.com/wp-content/uploads/2026/06/or.19a44f36_9e217a7b-e67a-418d-8966-e4c0a3cbd499.webp)
Reviews
There are no reviews yet.