Formerly Black Gold Sour Service Hose

(Specification 4773LE)

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. 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: Hoses are manufactured to handle up to 20% hydrogen sulfide (H2S) for 1 hour at 93°C at rated working pressure. Field welding of couplings is not recommended.

TEMPERATURE: -20°C to +93°C continuous service.

CONSTRUCTION: Tube: Type V (Fluoroelastomer). 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. Meets NACE MR0175. 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^® Sour Service – Max 20% H S 4 Inch Max WP 7500 PSI Tested To 15000 PSI 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, 3rd party witness tests and NACE certificates are available for an additional fee.

REMNANT LENGTHS: None.

STANDARDS: NACE MR0175.