Formerly Black Gold Rotary Decoking Hose
(Specification 4773PE)
RECOMMENDED FOR: Coke is one of the by-products used in oil refining. It is stored in silos until it can be loaded into railroad cars for shipment. The coke hardens after being placed in the silos. To unload the coke from the silos, a decoking hose is attached to a drill stem which travels down the silo using warm, high-pressure water to wash the loosened coke from the silo.
TEMPERATURE: -20°C to +82°C continuous service.
CONSTRUCTION: Tube: Type C3 (Modified Nitrile). 3/16" thick. Black. Specially compounded for handling abrasion and corrosion.
Reinforcement: Multiple layers of polyester cord over tube. Multiple layers of "close wound", high tensile steel cables with one layer of adhesion fabric placed between cable layers. Multiple layers of reinforcement under cover.
Cover: Type C4 (Modified Nitrile). Black. Specially compounded UltraBrasion™ cover is resistant to abrasion, corrosion, cutting, gouging, oil and weather.
COUPLINGS: Swaged – supplied with API standard flanges or equivalent of your choice. Please contact your nearest Gates E&S facility for more detailed information.
NOTE: FIELD WELDING OF FITTINGS TO COUPLING IS NOT RECOMMENDED.
PACKAGING: Each length packaged in a heavy-duty wooden crate.
BRANDING: One continuous longitudinal yellow transfer label (with serial number and code date embossed).
Example: “Gates® Black Gold® Decoking 7500 3 Inch Max WP 5000 psi API Spec 7K Tested to 10000 psi Grade D FSL 1 Temp Range 1 ISO 14693 License 7K-0003 Made in U.S.A.”
CERTIFICATION/STANDARDS: Coupling/Mat’l Traceability (Additional Cost)
Letter of Conformance (Additional Cost)
Test Certificates
3rd Party Witness Test (Additional Cost)
OPTIONAL: Accessories such as SAFETY CLAMPS, HOSE LIFT EYE & COLLAR CLAMP and STAINLESS STEEL ARMOR are available.