Project Description

  • Tube type One-way check valve
  • Tube type One-way check valve manufacturer
  • Tube type One-way check valve supplier

Tube Type One-way Hydraulic Ball Check Valve

Tube check valve is a device that only allows the flow of fluids in one direction. they are commonly referred to as ‘one way valves’ or ‘non return valves’ .

  • Tube Type One-way Check Ball Valve;
  • Thread Size: G1/4, G3/8, ... G2;
  • Opening Pressure: 0.5bar, 5bar


One-way check valve

Tube one-way check valve is a device that only allows the flow of fluids in one direction. They have two ports, one as an inlet for the media and one as the output for the media. Since they only allow media flow in one direction, they are commonly referred to as ‘one way valves’ or ‘non return valves’. The main purpose of a check valve is to prevent backflow in the system.

A check valve relies on a pressure differential to work. They require a higher pressure on the input side of the valve than the output side to open the valve. When the pressure is higher on the outlet side (or the input side pressure is not high enough), the valve will close. Depending on the valve type, the closure mechanism is different. Unlike other valves, they do not need a handle, lever, actuator, or human to correctly work.

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Tube One-way Check Ball Valves Dimensions

Tube type One-way check valve Drawing
Model DN PN(bar) L D S M H
TCV-G1/4 6 400 62 18.5 19 G1/4 12
TCV-G3/8 10 400 70 23.5 24 G3/8 14
TCV-G1/2 12 350 77 29.5 30 G1/2 16
TCV-G3/4 16 350 90 35.5 36 G3/4 18
TCV-G1 20 350 106 45.5 46 G1 20
TCV-G1 1/4 25 250 130 54.5 55 G1 1/4 22
TCV-G1 1/2 30 250 140 64.5 65 G1 1/2 24
TCV-G2 40 250 160 74.5 75 G2 26

Backflow-Prevention Inline Hydraulic Valves

Also known as check valves, these open to allow flow in one direction and close when flow stops or reverses.

Product name Stainless Steel Check Hydraulic Ball Valve
Part Nunber Custom Label Acceptable
Body & Port Material 1-carbon steel, 4-stainless steel
Stem Seal Material 1-NBR, 4-FPM, 6-EPDM
Ball Seal Material 1-POM, 4-PTFE, 5-PEEK
Surface Treatment Zinc plating, Customization
Port Option Thread or Flange; Optional Standards: SAE, ISO, ANSI, DIN
Media Water / Oil / Gas Industrial
Certificate  ISO9001
Keyword hydraulic ball valve, check valve, non-return valve, one-way valve
Tube One-way check valve Parts
Tube type One-way check valve Code

(1) Ball Valve Series Code: TCV Check Valve

(2) Thread Size: G1/4, G3/8....

(3) Opening Pressure: 0.5bar, 5bar

Tube check valve, non-return valve, reflux valve, retention valve, foot valve, or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction.

Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various types of check valves used in a wide variety of applications. Check valves are often part of common household items. Although they are available in a wide range of sizes and costs, check valves generally are very small, simple, and inexpensive. Check valves work automatically and most are not controlled by a person or any external control; accordingly, most do not have any valve handle or stem. The bodies (external shells) of most check valves are made of plastic or metal.

An important concept in check valves is the cracking pressure which is the minimum differential upstream pressure between inlet and outlet at which the valve will operate. Typically the check valve is designed for and can therefore be specified for a specific cracking pressure.

One-way Tube check valve

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