SUS304 Stainless Steel Swing Check Valve – 1.6 MPa
SUS304 stainless steel swing check valve with Female × Female threaded ends for automatic reverse-flow prevention in compatible piping systems. Rated for 1.6 MPa working pressure and -30°C to 120°C operating temperature, with sizes from DN15 to DN50 for water, steam and compatible non-corrosive liquids.
The SUS304 stainless steel swing check valve
is designed to help prevent reverse flow automatically
in compatible piping systems.
The internal swing-disc mechanism opens with forward flow
and closes when the flow reverses, helping protect the
upstream piping and equipment.
The current specification lists a working pressure of
1.6 MPa and a working-temperature range
of -30°C to 120°C.
Available sizes are DN15, DN20, DN25, DN32,
DN40 and DN50. Water, steam and compatible
non-corrosive liquids are listed as working media.
Key Product Features
SUS304 Stainless Steel
The valve material is specified as SUS304 stainless steel.
Swing Check Design
Internal disc swings open with forward flow
and closes automatically when flow reverses.
1.6 MPa Working Pressure
Current technical data lists a working pressure
of 1.6 MPa.
-30°C to 120°C
Listed operating-temperature range for
compatible applications.
Female × Female Connection
The product shown uses internal threaded
connections on both ends.
DN15 to DN50
Six nominal sizes are available within
the current product range.
Technical Specifications
| Product Type | Stainless Steel Swing Check Valve |
|---|---|
| Material | SUS304 Stainless Steel |
| Check Mechanism | Swing Disc |
| Connection | Female × Female Threaded Ends |
| Working Pressure | 1.6 MPa |
| Working Temperature | -30°C to 120°C |
| Working Media | Water / Steam / Compatible non-corrosive liquids |
| Available Sizes | DN15 / DN20 / DN25 / DN32 / DN40 / DN50 |
| Thread Standard | To be confirmed |
| Disc Material | To be confirmed |
| Sealing Material | To be confirmed |
| Cracking Pressure | To be confirmed |
Buyer Note:
the current specification does not define the thread standard,
disc material, sealing material or cracking pressure.
Confirm these parameters when they are important to the project.
Available Sizes
| Nominal Size | Material | Working Pressure |
|---|---|---|
| DN15 | SUS304 | 1.6 MPa |
| DN20 | SUS304 | 1.6 MPa |
| DN25 | SUS304 | 1.6 MPa |
| DN32 | SUS304 | 1.6 MPa |
| DN40 | SUS304 | 1.6 MPa |
| DN50 | SUS304 | 1.6 MPa |
How a Swing Check Valve Works
A swing check valve uses an internal hinged disc
that moves with the direction of fluid flow.
Forward flow pushes the disc away from the seat.
When the flow slows or reverses, the disc returns
toward the seat and closes the flow path.
Because the closing action depends on the valve design,
gravity and system conditions, installation orientation
should be confirmed for the intended application.
Swing Check vs Spring Check Valve
A swing check valve uses a hinged disc,
while a spring check valve uses a spring-assisted
closing mechanism.
Swing check valves can provide a relatively open flow path,
while spring-assisted designs generally close more quickly.
Actual pressure loss and closing behavior depend on
the specific valve design and system conditions.
The correct choice should consider flow rate,
installation orientation, pressure drop and
reverse-flow characteristics.
Typical Applications
Water Systems
Reverse-flow protection in compatible water piping systems.
Steam Systems
Steam is listed as an applicable medium
within the specified operating range.
Non-Corrosive Liquids
Can be evaluated for compatible
non-corrosive liquid systems.
Equipment Protection
Helps prevent reverse flow toward compatible
upstream equipment and pipelines.
What Should Buyers Confirm Before Ordering?
- Required size: DN15, DN20, DN25, DN32, DN40 or DN50
- Female × Female connection requirement
- Required thread standard and dimensions
- Actual working pressure
- Minimum and maximum operating temperature
- Working medium
- Installation orientation
- Required cracking pressure, when important
- Disc and hinge material requirements
- Sealing-material requirements
- Quantity by size
- Product marking and packaging requirements
OEM and Project Supply
SUNRICH FLOW works with manufacturing partners to coordinate
product specifications, production requirements, quality follow-up,
marking and packaging for international buyers.
For OEM or replacement projects, drawings,
thread information and operating conditions can help
confirm the required valve configuration.
Frequently Asked Questions
What material is this check valve made from?
The current specification lists SUS304 stainless steel.
What is the working pressure?
The listed working pressure is 1.6 MPa.
What sizes are available?
DN15, DN20, DN25, DN32, DN40 and DN50.
What is the working-temperature range?
The listed range is -30°C to 120°C.
Does this valve require manual operation?
No. A swing check valve operates automatically
according to the direction and condition of the flow.
Which thread standard is used?
The current technical sheet does not identify one
fixed thread standard. Confirm the required connection
before ordering.
Looking for SUS304 Stainless Steel Swing Check Valves?
Send us the required DN size, thread standard,
working medium, pressure, temperature and quantity.
SUNRICH FLOW can review the specification and prepare
a quotation for your project.