Stainless steel piston check valve (with internal threads)

Stainless steel check valve (with internal threads) AISI 304/316 – reliable flow control. Corrosion-resistant, suitable for food and chemical industries. Available in stock — delivery throughout Lithuania within 1–2 working days.

✔ In stock
? Delivery across Lithuania within 1–2 working days.

Description

Stainless steel check valve with internal threads - automatic one-way pipe element with threaded connections. Allows liquid or gas to flow in only one direction, automatically preventing backflow. Threaded installation allows easy integration into existing threaded pipelines.

Technical parameters

ParameterMeaning
ConnectionInternal threads (BSP/NPT)
MaterialAISI 304 or AISI 316
SizesDN 8 (1/4") – DN 50 (2")
Working pressureup to 16 bar
Temperature-20°C to +150°C

Areas of application

  • Industry and utility networks - backflow prevention in pipelines
  • Protection of pump systems - pump protection from backflow
  • Chemical industry - one-way feeding system for chemicals
  • Hydraulic systems - hydraulic oil one-way flow
  • Food industry - sanitary threaded check valves

Frequently Asked Questions

What is the difference between a threaded and a welded check valve?

Threaded (with internal threads) – easy to install and uninstall in threaded systems. Welded (ID 136) – irreversible, but stronger and more hermetic.

Is the check valve suitable for gases?

Yes, suitable for gases and liquids. Specify the material and pressure – check compatibility.

We have it in stock. We deliver within 1–3 working days.