Pipe Repair Clamps
Straight Pipe Repair Clamp for Concrete Pipe
Professional straight repair clamp for concrete pipe for pipe repair and replacement.
Inquire NowSpecifications
How to read the model number： Z300×1000 = straight-pipe repair for DN300 concrete pipe with 1000 mm clamp body.
| Model | DN | NPS | OD (mm) OD (in) | Length (mm) Length (in) |
|---|---|---|---|---|
| Z100×1000 | DN100 | 4" | 150 mm 5.91" | 1000 mm 39.4" |
| Z100×300 | DN100 | 4" | 150 mm 5.91" | 300 mm 11.8" |
| Z100×500 | DN100 | 4" | 150 mm 5.91" | 500 mm 19.7" |
| Z150×1000 | DN150 | 6" | 200 mm 7.87" | 1000 mm 39.4" |
| Z150×300 | DN150 | 6" | 200 mm 7.87" | 300 mm 11.8" |
| Z150×500 | DN150 | 6" | 200 mm 7.87" | 500 mm 19.7" |
| Z200×1000 | DN200 | 8" | 260 mm 10.24" | 1000 mm 39.4" |
| Z200×300 | DN200 | 8" | 260 mm 10.24" | 300 mm 11.8" |
| Z200×500 | DN200 | 8" | 260 mm 10.24" | 500 mm 19.7" |
| Z300×1000 | DN300 | 12" | 380 mm 14.96" | 1000 mm 39.4" |
| Z300×500 | DN300 | 12" | 380 mm 14.96" | 500 mm 19.7" |
| Z400×1000 | DN400 | 16" | 490 mm 19.29" | 1000 mm 39.4" |
| Z400×500 | DN400 | 16" | 490 mm 19.29" | 500 mm 19.7" |
| Z500×1000 | DN500 | 20" | 610 mm 24.02" | 1000 mm 39.4" |
| Z500×500 | DN500 | 20" | 610 mm 24.02" | 500 mm 19.7" |
| Z600×1000 | DN600 | 24" | 720 mm 28.35" | 1000 mm 39.4" |
| Z600×500 | DN600 | 24" | 720 mm 28.35" | 500 mm 19.7" |
Frequently Asked Questions
What pipe types and sizes is the Straight Pipe Repair Clamp for Concrete Pipe compatible with?
The Straight Pipe Repair Clamp for Concrete Pipe fits DN100 to DN600 pipelines and is engineered for pre-stressed concrete (PCCP) and self-stressed concrete. It seals longitudinal cracks, pinholes, circumferential fractures, and joint leaks without cutting out the damaged pipe section.
What is the working pressure rating?
Rated for 1.0 MPa. Standard clamp bodies are tested to at least PN16 (1.6 MPa); higher-pressure variants are available on request for gas-distribution and industrial service.
Can this clamp be installed on a live, pressurized pipeline?
Yes. The Straight Pipe Repair Clamp for Concrete Pipe is designed for installation on live pipelines under pressure, which means municipal water, gas, or process flow does not have to be interrupted. Our technical team provides pre-install checklists to ensure safe deployment.
What materials are used in the body and sealing gasket?
Construction — shell: Ductile iron QT450-10 · seal: EPDM. Corrosion-resistant stainless-steel banding (SUS304 / SUS316) with EPDM (potable water) or NBR (oil / hydrocarbon service) gaskets is available depending on the application.
What is the lead time and how is it shipped?
Standard lead time is 15 working days ex-factory, shipping FOB Shanghai. Sea, air, and combined transport are arranged through PipeKnot to over 40 countries. Volume orders and project tenders receive priority scheduling.
Is installation guidance and technical support included?
PipeKnot provides English-language installation drawings, torque specifications, and remote technical support. On-site commissioning support can be arranged for qualifying projects in partnership with Anhui Tongfa field engineers.
