Standard Check Valves
Standard check valves for backflow prevention in water supply systems. Includes DN1300, DN1400, DN1500, DS1400, DS1500. Anti-backflow function with multiple outside diameter options.
Models, Specifications and Technical Documents
Specification sheets list POM / silicone materials, an operating temperature of 0–55°C, and OEM packaging. Review actual assembly conditions before final selection.
DN1300
For hand-shower inlets or hose connections in 13mm waterways, providing a check function to prevent reverse water flow.
| Model | DN1300 |
|---|---|
| Product Name | Check valve |
| Size / O.D. | O.D. 13mm |
| Flow Rate | 2-12L/min |
| Function | Check valve (anti-backflow) |
| Test Pressure | 60 PSI or 3 bar |
| Operating Temperature | 0–55°C |
| Materials | POM / Silicone |
| Package | OEM |
DN1300 Dimensional Drawing (PDF)
DN1400
For 14mm waterways at hand-shower or overhead-shower connections where the inlet requires a check function and backflow prevention.
| Model | DN1400 |
|---|---|
| Product Name | Check valve |
| Size / O.D. | O.D. 14mm |
| Flow Rate | 2-12L/min |
| Function | Check valve (anti-backflow) |
| Test Pressure | 60 PSI or 3 bar |
| Operating Temperature | 0–55°C |
| Materials | POM / Silicone |
| Package | OEM |
DN1400 Dimensional Drawing (PDF)
DN1500
For 15mm waterways at shower-pipe ends and inlet branches, providing a check function to prevent backflow and crossflow between hot and cold supplies.
| Model | DN1500 |
|---|---|
| Product Name | Check valve |
| Size / O.D. | O.D. 15mm |
| Flow Rate | 2-12L/min |
| Function | Check valve (anti-backflow) |
| Test Pressure | 60 PSI or 3 bar |
| Operating Temperature | 0–55°C |
| Materials | POM / Silicone |
| Package | OEM |
DN1500 Dimensional Drawing (PDF)
DS1400
For shallow hand-shower handles and slim overhead showers with 14mm waterways. The short body suits check-valve positions with limited installation length.
| Model | DS1400 |
|---|---|
| Product Name | Short check valve |
| Size / O.D. | O.D. 14mm |
| Flow Rate | 2-12L/min |
| Function | Check valve (anti-backflow) |
| Test Pressure | 60 PSI or 3 bar |
| Operating Temperature | 0–55°C |
| Materials | POM / Silicone |
| Package | OEM |
DS1400 Dimensional Drawing (PDF)
DS1500
For compact fittings and hand-shower tail connectors with 15mm waterways, providing a check function where a standard-length valve will not fit.
| Model | DS1500 |
|---|---|
| Product Name | Short check valve |
| Size / O.D. | O.D. 15mm |
| Flow Rate | 2-12L/min |
| Function | Check valve (anti-backflow) |
| Test Pressure | 60 PSI or 3 bar |
| Operating Temperature | 0–55°C |
| Materials | POM / Silicone |
| Package | OEM |
DS1500 Dimensional Drawing (PDF)
Installation and Sourcing Notes
Confirm the outside diameter against the actual cavity or bore dimension. The outside diameter does not directly equal the pipe size.
Check the installation thickness, retention structure, and sealing arrangement before placing an order.
Provide cavity dimensions, target flow and pressure, expected quantity, and destination market for accurate model selection and sample review.
Common Questions
Can I select a model by matching the outside diameter to the pipe size?
No. The outside diameter does not equal the pipe size. Check the actual cavity dimensions, thickness, and retention structure.
What information should I provide for sourcing?
Provide cavity dimensions, target flow and pressure, expected quantity, and destination market. We will review model options and sample requirements.
Related Product Series
Discuss Your Standard Check Valves Configuration
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