Formerly Black Gold Rotary/Vibrator Drilling Hose

(Specification 4774PE)

RECOMMENDED FOR: Flexible connection between standpipe and swivel (rotary drilling) or between pump and standpipe (rotary vibrator) for pumping mud at extra high pressure in oil drilling and exploration work. Meets the severe demands of today’s drilling methods including directional drilling, pressure pulses and elevated temperatures. The 3/16” thick tube is designed to handle abrasive, corrosive and oil based drilling muds. The UltraBrasion^™ cover is designed to handle external damage from abrasion, corrosion, gouges, oil and weather.

CAUTION: Can be used for offshore motion compensator applications, but is not recommended for systems using phosphate ester fluids. Field welding of couplings is not recommended.

TEMPERATURE: -20°C to +82°C continuous service.

CONSTRUCTION: Tube: Type C2 (Modified Nitrile). Black.
Reinforcement: Multiple layers of textile fabric and steel cable
Cover: Type C4 (Modified Nitrile). Black with gold stripe.
Design Factor: 2.5:1

COUPLINGS: Swaged couplings. Contact Gates E&S for a full range of fitting options such as hammer unions, flanges, etc.

PACKAGING: Each length packaged in a heavy-duty wooden crate.

BRANDING: One continuous longitudinal gold transfer label with embossed serial number and code date. Example: “Gates^® Black Gold^® Rotary Vibrator 5 Inch Max WP 5000 PSI API SPEC 7K Tested To 10000 PSI Grade D FSL 2 Temp Range II ISO 14693 License 7K-0003 Made In U.S.A.”

SPECIAL ORDER REQ: Accessories such as safety clamps, hose lift eyes and stainless steel armor are available upon request. Test certificates are shipped with every order. Coupling material traceability, letters of conformance and 3rd party witness tests are available for an additional fee.

REMNANT LENGTHS: None.

STANDARDS: API (American Petroleum Institute) Spec 7K. ISO 14693. ABS and DNV type approvals.