Fuel Oil Drip Sampler - Reliable Quality Witness for Every Bunkering Operation

During any bunkering operation, obtaining a representative fuel oil sample is a key concern for shipowners, charterers, suppliers and surveyors alike. A reliable fuel sample is not only a true reflection of fuel quality but also critical evidence for resolving quality disputes and passing Port State Control inspections.

Under MARPOL 73/78 Annex VI and IMO Resolution No. 96(47), a representative sample of the fuel oil must be obtained during bunkering and retained on board until the fuel is substantially consumed. Deyuan Marine Fuel Oil Drip Samplers are specifically designed for this purpose.

Product Overview

Deyuan Marine Fuel Oil Samplers are manufactured from corrosion-resistant stainless steel (SUS304). They are in-line drip-type sampling devices installed between the bunker manifold flanges, continuously and uniformly collecting fuel samples throughout the entire bunkering process to ensure sample representativeness and reliability.

The product is available in Flange Type and Ring Type configurations to suit different installation requirements.

Key Features

Feature	Description
Certified Compliance	Meets MARPOL 73/78 Annex VI and IMO requirements; approved by LR with type approval certificates
High-Quality Material	Manufactured from SUS304 or SS316(Customized) – seawater and fuel corrosion resistant, long service life
Easy Installation	No welding or pipe modification required – can be installed within minutes without delaying bunkering operations
Continuous Drip Sampling	Adjustable drip rate for consistent, uniform sampling throughout the entire bunkering process
Full Size Range	Suitable for pipe diameters DN80–DN300 (3″–12″), compatible with DIN, JIS, ANSI, GB flange standards
Complete Package	Each set includes flange, probe, stainless steel valve, cubitainer interface, seals, bolts & nuts, gaskets

Why Choose Fuel Drip Oil Sampler?

Sampling Method	Description	Representativeness
Manual / Spot Sampling	Sampling at one moment from one point	Cannot reflect average quality of entire batch
Drip-Type Sampling	Continuous, uniform collection throughout bunkering	Accurately reflects average quality of entire batch
Automatic Sampler	Expensive and complex	Same results as drip-type samplers, but much higher cost

Testing has proven that samples obtained by drip-type samplers are identical to those from expensive automatic samplers – making drip-type samplers the most cost-effective compliance choice.

Selection Guide

Pipe Diameter	Model	Compatible Flange Standards
DN80 (3″)	3″ Sampler	DIN / ANSI / JIS / GB
DN100 (4″)	4″ Sampler	DIN / ANSI / JIS / GB
DN125 (5″)	5″ Sampler	DIN / ANSI / JIS / GB
DN150 (6″)	6″ Sampler	DIN / ANSI / JIS / GB
DN200 (8″)	8″ Sampler	DIN / ANSI / JIS / GB
DN250 (10″)	10″ Sampler	DIN / ANSI / JIS / GB
DN300 (12″)	12″ Sampler	DIN / ANSI / JIS / GB

Applications

*Sampling during vessel bunkering (MGO, MDO, Heavy Fuel Oil)

*Arbitration evidence for fuel quality disputes

*Compliance documentation for Port State Control inspections

*Fuel quality handover between suppliers and shipowners