Can DIN 3015 double clamp polyamide type 301 be welded to carbon steel structures without affecting performance or fire classification?

Can DIN 3015 double clamp, polyamide, type 301 be welded to carbon steel structures without affecting performance or fire classification? DIN 3015 double clamp, polyamide, type 301 is supplied with a carbon steel base intended for welding to structures. Welding the carbon steel base to a carbon steel structure is an accepted mounting method and, when performed correctly, will not inherently degrade the clampâs mechanical performance. However, key considerations to maintain performance and any fire classification are: - Heat impact: Welding generates localized heat that can transfer to the polyamide parts. Polyamide (selfâextinguishing) has a rated operating range â40Â°C to +180Â°C; excessive heat during welding or prolonged exposure above this range can deform or char the polymer and compromise clamp function and fire performance. Use tack welding, short welds, and allow cooling intervals; protect the polyamide with heat shields or remove polymer parts during welding when practical. - Joint design and technique: Follow appropriate welding procedures for carbon steel (correct filler, preheat/postâheat if required) to avoid distortions that could stress the clamp assembly. Weld in locations and orientations intended by the supplier (base plate area) to prevent warping of mounting surfaces. - Corrosion protection: After welding, restore any galvanizing or protective coatings near the weld (zinc touchâup, primer/paint) to maintain corrosion resistance of plates/screws and avoid undercut that could affect clamping integrity. - Fire classification: The clampâs fire performance is determined by the polyamide material and overall assembly. If the polymer is thermally damaged during welding, its selfâextinguishing properties can be impaired, potentially changing fire behavior. Keep welding thermal exposure below levels that would alter polymer properties and document procedures to satisfy fire safety requirements. - Supplier consultation: For critical installations, marine or classified environments, consult TUBES INTERNATIONALÂ® to confirm allowable welding practices, request guidance on protective measures (removable polymer parts, shielding), and verify that the welded assembly meets required fire and performance certifications. Conclusion: Yes.welding the carbon steel base of the DIN 3015 double clamp, polyamide, type 301 to carbon steel structures is standard practice, provided welding is executed to limit thermal damage to the polyamide, protective and postâweld corrosion measures are applied, and supplier guidance is followed to preserve performance and fire classification.

Can DIN 3015 double clamp polyamide type 301 be used in marine environments without additional corrosion protection?

No - DIN 3015 double clamp, polyamide, type 301 is not suitable for marine environments without additional corrosion protection. Although the clamp body is selfâextinguishing polyamide, the screws and plates are galvanized steel and the base is carbon steel; these metallic parts are susceptible to corrosion in marine (saltâladen) environments. For durable, maintenanceâfree service in marine installations you should specify corrosionâresistant materials or protections (e.g., stainless steel fasteners/bases, hotâdip galvanizing to appropriate class, additional coatings, or sacrificial protection) and confirm component selection with TUBES INTERNATIONALÂ® before installation.

Does DIN 3015 double clamp, polyamide, type 301 require specific lubricant or sealant for hose installations?

DIN 3015 double clamp, polyamide, type 301 does not inherently require a specific lubricant or sealant for standard hose installations. The clamp is designed for quick, easy and durable mounting of pipes and hoses, with a profiled or smooth contact surface (H version) made of selfâextinguishing polyamide that secures the hose mechanically when tightened with the galvanized steel screw and plate. However, consider these practical points: - Lubricant: A light, compatible assembly lubricant (e.g., siliconeâbased or other polymerâsafe lubricant) can ease installation and reduce friction between hose and clamp, but avoid petroleumâbased oils or solvents that can degrade certain hose materials or the polyamide. Only use lubricants approved for the hose material and service media. - Sealant/antivibration: The clamp is not a sealing device; it does not provide fluid-tight sealing of hose ends. If vibration damping or additional protection is needed, use compatible rubber inserts, sleeves or dedicated antivibration pads designed for DIN 3015 clamps (or the H smooth version). These accessories also help prevent chafing and improve grip without chemical sealants. - Corrosion/fastening: For welded bases no sealant is needed. If bolting or using rails, use threadlocker or corrosionâprotective coatings only if compatible with galvanized steel and operating conditions. - Temperature and media compatibility: Given operating range â40Â°C to +180Â°C, confirm any lubricant, sealant, or insert material is rated for that range and compatible with the conveyed media. If in doubt, consult TUBES INTERNATIONALÂ® or the hose manufacturer for recommended lubricants, sealants, or antivibration inserts compatible with your specific hose material and application.

DIN 3015 double clamp, polyamide, type 301

All products, Clamps for hydraulic pipes/

Additional information

Material	P – material (plastic)

DIN 3015 double clamp type 301 (with upper plate) designed for quick, easy, durable, and aesthetic mounting of pipes, hoses, and hoses in various industrial sectors, in ground and marine installations. Manufactured according to DIN 3015 standard. The clamp is mounted to the structure using welding of the clamp base (there is an option for bolting or mounting on a rail). The clamp typically features a profiled (grooved) surface for the pipe opening. A clamp with a smooth surface for hoses and hoses is also available, marked with the letter H at the end of the index. In addition to standard metal components, extended plates, rails, and screws for mounting clamp sets can be ordered. The selection of components should be consulted with TUBES INTERNATIONAL®. Clamp material: self-extinguishing polyamide. Screw material: galvanized steel. Plate material: galvanized steel. Base material: carbon steel. Operating temperature: from -40°C to +180°C.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]
TC-PA301-106	DIN3015 double PA clamp for 6 mm pipes	-	-
TC-PA301-106,4	DIN3015 double PA clamp for 6.4 mm pipes	-	-
TC-PA301-108	DIN3015 double PA clamp for 8 mm pipes	-	-
TC-PA301-109,5	DIN3015 double PA clamp for 9.5 mm pipes	-	-
TC-PA301-110	DIN3015 double PA clamp for 10 mm pipes	-	-
TC-PA301-112	DIN3015 double PA clamp for 12 mm pipes	-	-
TC-PA301-212,7	DIN3015 double PA clamp for 12.7 mm pipes	-	-
TC-PA301-213,5	DIN3015 double PA clamp for 13.5 mm pipes	-	-
TC-PA301-214	DIN3015 double PA clamp for 14 mm pipes	-	-
TC-PA301-215	DIN3015 double PA clamp for 15 mm pipes	-	-
TC-PA301-216	DIN3015 double PA clamp for 16 mm pipes	-	-
TC-PA301-217,2	DIN3015 double PA clamp for 17.2 mm pipes	-	-
TC-PA301-218	DIN3015 double PA clamp for 18 mm pipes	-	-
TC-PA301-319	DIN3015 double PA clamp for 19 mm pipes	-	-
TC-PA301-320	DIN3015 double PA clamp for 20 mm pipes	-	-
TC-PA301-321,3	DIN3015 double PA clamp for pipes 21.3 mm	-	-
TC-PA301-322	DIN3015 double PA clamp for 22 mm pipes	-	-
TC-PA301-325	DIN3015 double PA clamp for 25 mm pipes	-	-
TC-PA301-325,4	DIN3015 double PA clamp for 25.4 mm pipes	-	-
TC-PA301-426,9	DIN3015 double PA clamp for 26.9 mm pipes	-	-
TC-PA301-428	DIN3015 double PA clamp for 28 mm pipes	-	-
TC-PA301-430	DIN3015 double PA clamp for 30 mm pipes	-	-
TC-PA301-532	DIN3015 double PA clamp for 32 mm pipes	-	-
TC-PA301-533,7	DIN3015 double PA clamp for pipes 33.7 mm	-	-
TC-PA301-535	DIN3015 double PA clamp for 35 mm pipes	-	-
TC-PA301-538	DIN3015 double PA clamp for 38 mm pipes	-	-
TC-PA301-540	DIN3015 double PA clamp for 40 mm pipes	-	-
TC-PA301-542	DIN3015 double PA clamp for 42 mm pipes	-	-
TC-PA301-542,4	DIN3015 double PA clamp for 42.4 mm pipes	-	-

DIN 3015 double clamp type 301 (with upper plate) designed for quick, easy, durable, and aesthetic mounting of pipes, hoses, and hoses in various industrial sectors, in ground and marine installations. Manufactured according to DIN 3015 standard. The clamp is mounted to the structure using welding of the clamp base (there is an option for bolting or mounting on a rail). The clamp typically features a profiled (grooved) surface for the pipe opening. A clamp with a smooth surface for hoses and hoses is also available, marked with the letter H at the end of the index. In addition to standard metal components, extended plates, rails, and screws for mounting clamp sets can be ordered. The selection of components should be consulted with TUBES INTERNATIONAL®. Clamp material: self-extinguishing polyamide. Screw material: galvanized steel. Plate material: galvanized steel. Base material: carbon steel. Operating temperature: from -40°C to +180°C.