Models G35 and G31 meet the requirements of SOLAS for use in connection with flammable liquids, and are type approved by many of the world wide shipping authorities. Please get in touch if you wish to see some of the approvals listed below.

G35 Seemag Magnetic Gauge
ABS (American Bureau of Shipping)
DNV (Det Norske Veritas) – View Seemag DNV type approval 
Germanischer Lloyds
Lloyds Register
RINA (Italy)
RMRS (Russian Maritime Register of Shipping)
RRR (Russian River Register)

G31 Seeflex Gauge
ABS (American Bureau of Shipping)
BV (Bureau Veritas)
DNV (Det Norske Veritas) – View Seeflex DNV type approval 
Lloyds RegisterRINA (Italy)
RMRS (Russian Maritime Register of Shipping)
RRR (Russian River Register)
NKK (Nippon Kaiji Kyokai – Japan)

G22 Quickmount Gauge – for Non-Flammable liquids
RRR (Russian River Register)
RMRS (Russian Maritime Register of Shipping)

Our range of liquid level gauges also have the EAC Customs Union DECLARATION (Russia, Kazakhstan & Belarus) 
EAC Declaration TR TS 032-2013 (Seetru Liquid Level Gauges)