The FlexiGas DS 40mm Contractor Kit – 15m with 2x Male BSP Fittings is a complete gas pipe installation kit designed for commercial gas engineers and professional installers. It includes 15 metres of pre-sleeved, double-layer CSST gas pipe, two male BSP adaptors and a roll of yellow silicone tape for finishing the fitting tails after gas tightness testing.
Featuring FlexiGas DS pre-sleeved CSST pipe, this contractor kit is designed to simplify installation planning across suitable wall, floor, screed and void applications. Its integrated sleeve is intended to reduce the need for additional on-site sleeving where the installation complies with the relevant requirements. The kit is identified by manufacturer code DS-CK40-15M-Male.
40mm / DN40
15m Pipe Length
Double-Sleeved CSST
2 Male BSP Adaptors
BSI Kitemark Listed
At a Glance
Max Operating Pressure
0.5 bar
About the FlexiGas DS 40mm Contractor Kit
The FlexiGas DS-CK40-15M-Male is a contractor kit for gas installations requiring 40mm double-sleeved corrugated stainless steel tubing (CSST). The pipe combines an inner gas-carrying tube with an integrated outer sleeve, helping installers plan suitable concealed and exposed routes in accordance with the product instructions and applicable installation standards.
The kit includes two male BSP adaptors for connecting to compatible threaded components, such as suitable valves, meters and plant connections. A roll of yellow silicone tape is also supplied for the specified finishing application after the gas tightness test has been completed.
Key Features
1. 15-Metre Continuous Pipe Coil
Supplies 15 metres of FlexiGas DS-40 pipe in one kit, helping simplify material planning for longer gas installation runs.
2. Double-Layer CSST Design
Features an inner gas-carrying CSST tube and an integrated outer sleeve for applications permitted by the manufacturer's instructions.
3. Two Male BSP Adaptors
Includes two male BSP fittings for compatible threaded connections, subject to correct thread size and system compatibility.
4. Integrated Protective Sleeve
The pre-sleeved construction is intended to reduce additional sleeving work where the installation and routing meet applicable requirements.
5. Yellow Silicone Tape Included
A roll of yellow silicone tape is supplied for finishing the gap around the fitting tail after the gas tightness test, following the manufacturer's instructions.
6. Stated Certification and Testing
The supplied product information lists BSI Kitemark KM 598726, EN 15266 and EN 1775 Annex A and B fire testing. Confirm the applicable approvals for the exact product and installation.
What's Included in the Kit?
FlexiGas DS-40 Pipe
One 15-metre coil of 40mm double-sleeved CSST gas pipe.
Male BSP Adaptors
Two adaptors described as dezincification-resistant brass, for compatible threaded connections.
Yellow Silicone Tape
One roll for the specified fitting-tail finishing application after testing.
Important Gas Installation Information
Gas pipework must be selected, installed, tested and commissioned by a suitably qualified and legally authorised gas professional. Always follow the FlexiGas manufacturer's installation instructions and applicable regulations. Confirm the required pipe sizing, operating pressure, fitting compatibility, routing, sleeve requirements and certification before installation. Do not assume that the integrated sleeve makes every installation route automatically compliant.
Product Specifications
| Product Name |
FlexiGas DS 40mm Contractor Kit – 15m with 2x Male BSP Fittings |
| Manufacturer |
FlexiGas |
| Manufacturer Part Number |
DS-CK40-15M-Male |
| Pipe Type |
Double-sleeved CSST gas pipe |
| Nominal Size |
DN40 (40mm), as supplied |
| Pipe Length |
15 metres |
| Maximum Overall Diameter, Including Sleeve |
63mm |
| Fittings Included |
2 male BSP adaptors |
| Additional Item |
1 roll of yellow silicone tape |
| Maximum Operating Pressure |
0.5 bar, as stated in supplied product information |
| Certification |
BSI Kitemark KM 598726; EN 15266, as supplied |
| Fire Testing Reference |
EN 1775 Annex A and B, as supplied |
| Colour |
Yellow |
| Warranty |
1 year, subject to manufacturer's terms and conditions |
Who Is This Product Suitable For?
- Commercial gas engineers working on suitable DN40 gas pipe installations.
- Professional installers planning longer gas pipe runs using a 15-metre coil.
- Projects requiring compatible male BSP connections to threaded plant or system components.
- Installations where pre-sleeved CSST may simplify routing through permitted walls, floors or screed.
- Contractors who want pipe, adaptors and finishing tape supplied together in one kit.
Frequently Asked Questions
1. What is included in the FlexiGas DS 40mm Contractor Kit?
The kit contains a 15-metre coil of double-sleeved 40mm CSST pipe, two male BSP adaptors and one roll of yellow silicone tape.
2. What is the maximum operating pressure?
The supplied specifications state a maximum operating pressure of 0.5 bar. Check the manufacturer's documentation to confirm suitability for the intended gas system.
3. What is the overall diameter including the sleeve?
The supplied specification lists a maximum overall diameter of 63mm, including the sleeve.
4. Can the pipe be installed through walls, floors and screed?
The product information identifies these as intended applications. Actual suitability depends on the specific installation, manufacturer's instructions and applicable gas installation requirements.
5. What fittings are supplied?
Two male BSP adaptors are included. Confirm the exact thread dimensions and compatibility with the connections on site before installation.
6. What warranty is included?
The supplied product information states a 1-year warranty, subject to the manufacturer's terms and conditions.
Order the FlexiGas DS 40mm Contractor Kit
Get 15 metres of pre-sleeved CSST pipe, two male BSP adaptors and silicone tape in one contractor kit for suitable professional gas installation projects.
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