// – OIL WELL CEMENTING API-7K SPEC. - FSL0 TRange III Tube: oil and drilling mud resistant synthetic rubber. Reinforcement: six high tensile steel spirals. Cover: special “supertuff” cover for excellent abrasion resistance and long service life in heavy duty application. Application: high pressure cement slurry transfer between pump manifold and cementing head. Constant operation: -20°C +121°C (-4°F +250°F) Safety factor: 2,25:1 Length: 61 m (200 ft) max Note: Fully API 7K approved when supplied with Alfagomma Integral 2” 1502 Hammer Union couplings. Test Pressure