By fluid
Sea Water & Brine
Offshore · Coastal · Marine — 316L or polymer inserts
Temperature−5 / +40 °C
Max. pressure16 bar
Standards3
Material compatibility
| PPPolypropylene−20/+100 °C | PAPolyamide 6/66−40/+120 °C | NBRNitrile Rubber−40/+100 °C | PVDFPVDF (Kynar®)−40/+150 °C | MetalMetal (Al/Steel)−196/+425 °C | |
|---|---|---|---|---|---|
| Sea water & brineoffshore, coastal, marine | A | B | A | A | D |
| ⚠ Carbon steel corrodes rapidly in seawater (D). Use PP, PVDF, or NBR inserts. For all-metal marine duty, specify WQS stainless steel 316L. | |||||
A — ExcellentB — GoodC — LimitedD — Not recommended
Full compatibility matrix Fluid variants
Open seawater
Cl⁻ up to 35,000 ppm
Carbon steel rating D — corrodes
Offshore splash zone
UV + salt spray
Specify 316L stainless (WQS)
Saline process water
Brackish / cooling water
PP or PVDF insert preferred
Applicable standards
NORSOK M-630Material data sheets — offshore piping qualificationISO 12944Corrosion protection — category C5-M marineDNV GLMarine structural design — piping requirements