Drilling, Pressure and
Pumping Solutions

Why use Coflexip hoses?

Coflexip hoses have many advantages over hard pipe:-

1502 Coflexip hoses are all 20m x 3" ID rated to 10,000 psi (68.94 mpa ) working and 15,000 psi ( 103.42 mpa ) test.

Information on hose construction, features and chemical resistance is taken from the Technip website . For more information check the following documents:-

pdficonFlexible pipe

pdficonCoflexip User's Guide

pdficon1502 Coflexip Brochure

Rugged Construction

coflexip cuttaway

  1. Stainless steel outer wrap protects the hose from mechanical damage
  2. Thermoplastic layer protects against corrosion and external pressure
  3. Cross wound tensile armour resists axial load and torsion
  4. Intermediate Thermoplastic Layer improves hose movement
  1. Flat steel spiral reinforces the zeta layer below(F)
  2. Zeta Spiral protects hose from hoop stress and limits bend radius
  3. Aramid tape reinforces the thermoplastic liner below (H)
  4. Thermoplastic inner liner holds pressure and resists corrosive chemicals

All 1502 Coflexip hoses feature Coflon liners. This table shows the hose's resistance to treating fluids at various temperatures. If you intend to pump other fluids or at temperatures outside the range below please check with us first.

FLUID Concentration -18°C
( 200°F)
( 250°F)
Hydrochloric acid HCl 15% S S S S S
30% S S S S S
Hydrofluoric acid HF 3% S S S S S
7.5% S S S S S
Xylene C6 H4 (CH3)2 100% S S S S S
Methanol CH30H 100% S S S S S
Glycol 100% S S S* L* NR*
Zinc bromide ZnBr2 saturated S S S S S
Calcium Bromide CaBr2 saturated S S S S S
Calcium chloride CaCl2 saturated S S S S S
Methane CH4 100% S S S S S
Diesel 100% S S S S S
Crude oil 100% S S S S S
Sodium hydroxide NaOH 50% S S L NR NR
Hydrogen sulphide H2S < 20% S S S S S

S: Satisfactory   NR: Not Recommended   L: Limited use   F: Forbidden   * Line must be vented

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