Durco vs KITZ
How Durco and KITZ compare on origin, specialisation and valve range — and the Vajra alternative to both, supplied to the same standards with full certification.
Durco vs KITZ: what is the difference?
Durco (USA, est. 1912) is known for Corrosion-resistant alloy valves for chemical service - Alloy 20, Hastelloy C-276, titanium, and high-silicon iron butterfly, globe, and ball valves. KITZ (Japan, est. 1951) is known for Bronze, stainless, and carbon steel ball valves, gate valves - JIS standard, Asia-Pacific. They overlap most in ball valves, gate valves, globe valves. Below is the side-by-side, then the Vajra equivalent — a peer manufacturer supplying the same standards.
| Durco | KITZ | |
|---|---|---|
| Origin | USA | Japan |
| Founded | 1912 | 1951 |
| Known for | Corrosion-resistant alloy valves for chemical service - Alloy 20, Hastelloy C-276, titanium, and high-silicon iron butterfly, globe, and ball valves | Bronze, stainless, and carbon steel ball valves, gate valves - JIS standard, Asia-Pacific |
| Valve range | 4 categories | 4 categories |
Where Durco and KITZ compete
The Vajra alternative to both
Vajra Industrial Solutions is a peer valve manufacturer supplying API 6D / ASME B16.34 certified valves equivalent to both Durco and KITZ — under one PO, with full documentation.
- ASTM A351 CN7M (Alloy 20), CW-6M (Hastelloy C-276), and A890 5A (Super Duplex) globe, gate, ball, and butterfly valves
- Titanium Grade 2 valves for concentrated nitric acid and bleach (NaOCl) service
- PVDF-lined and PTFE-lined butterfly valves and ball valves for chlorine, hydrofluoric acid, and aggressive oxidising service
- EN 10204 3.1 MTCs with chemistry and mechanical properties, NACE MR0103 hardness compliance certificates
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