API 7K High Pressure kelly hose
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 mud. The 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 200°F (93°C) at rated working pressure. Field welding of couplings is not recommended.
TEMPERATURE: -4°F to +200°F (-20°C to +93°C) continuous service.
Inner Tube: Fluoroelastomer. Black.
Reinforcement: Multiple layers of textile fabric and steel wire
Cover: Modified Nitrile. Black with gold stripe.
Design Factor: 2.5:1
COUPLINGS: Swaged couplings. hammer unions, flanges, etc.
PACKAGING: Each length packaged in a heavy-duty wooden case.
BRANDING: One continuous longitudinal gold transfer label with embossed serial number and code date.
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.