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Frequently Asked Questions

What international standards do your sanitary tubes comply with?

We strictly manufacture according to ASTM A270, ASME BPE, DIN 11850, EN 10357, ISO 2037, and SMS standards, ensuring 100% compatibility with global fluid systems.

What material grades do you offer for sanitary tubing?

We primarily offer premium stainless steel grades including 304/304L, 316/316L, and European grades like 1.4301, 1.4404, and 1.4435 for biopharmaceutical and high-purity applications.

Are your tubes suitable for the food and beverage industry?

Yes, our food-grade tubing is FDA-compliant and widely used in dairy, brewery, and beverage processing, featuring ultra-smooth inner surfaces for effortless CIP/SIP cleaning.

Do you provide ASME BPE certified tubing for the pharmaceutical industry?

Absolutely. Our BPE tubing meets stringent biotech requirements, providing precise SF1 (MP) and SF4 (EP) surface finishes for cleanroom and high-purity fluid engineering.

What internal surface roughness (Ra) can your sanitary tubes achieve?

For mechanically polished (MP) tubes, we achieve an internal Ra ≤ 0.4 µm (15 µin). For electropolished (EP) tubes, we strictly control the Ra ≤ 0.25 µm (10 µin).

How do you test the surface roughness of your tubes?

We conduct 100% surface roughness testing using advanced profilometers on the production line to guarantee that every tube perfectly meets the specified Ra value.

Are your sanitary tubes seamless or welded?

We offer both. Our welded sanitary tubes undergo specialized bead-rolling and bright annealing, making the internal weld seam completely flush and indistinguishable from the parent metal.

Do you perform Non-Destructive Testing (NDT) on your tubing?

Yes, all our tubes undergo rigorous 100% Eddy Current Testing (ECT) or Hydrostatic Testing to ensure there are absolutely no leaks, cracks, or structural defects.

Can you provide continuous inkjet marking on the tubes?

Yes, each tube features clear continuous inkjet marking detailing the standard, material grade, dimensions, and heat number for 100% traceability.

What is the standard length of your sanitary tubing, can it be cut to size?

The standard length is typically 20 ft (6.1 meters) or 6 meters. However, we provide highly precise cut-to-length services to meet your specific installation requirements.

Do you accept OEM/ODM orders?

Yes, as a direct manufacturer, we welcome OEM orders and can fully customize dimensions, tolerances, surface finishes, and packaging based on your engineering drawings.

Can you manufacture metric size sanitary tubes?

Yes, alongside imperial sizes, we manufacture a full range of metric sizes according to DIN 11850 and EN 10357 standards (e.g., 28mm, 34mm, 52mm, etc.).

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