Composite Hose STG-Type
The Composite Hose STG Type is a PTFE-lined composite transfer hose engineered for the safe suction and discharge of aggressive chemicals — including concentrated acids, alkalis, solvents, and Chemical Group 3 substances incompatible with polypropylene. This composite hose STG type features stainless steel 316 inner wire over polypropylene base construction with multiple layers of PTFE film inner lining. EN 13765 certified, Chemical Group 3 rated. Available from Flytech Engineering Sdn Bhd with ready stock in Klang, Selangor.
Key Features
• Working pressure: 10 Bar (145 PSI)
• Vacuum rating: Full vacuum rated
• Temperature range: -30°C to +100°C
• Inner lining: Multiple layers of PTFE film over PP construction
• Wire: Stainless Steel 316 inner wire, galvanised outer wire
• Cover: PVC-coated polyester — weatherproof and abrasion resistant
• Chemical rating: Group 3 — aggressive acids, alkalis, solvents
• Sizes: 1″ to 8″ (DN25 to DN200)
• Certification: EN 13765, IMO IBC Code
• Safety factor: 5:1
Applications
• Concentrated acid suction and discharge
• Aggressive alkali and solvent transfer
• Chemical Group 3 substances incompatible with PP
• Pharmaceutical and specialty chemical transfer
• Ship-to-shore aggressive chemical transfer
• Chemical plant and processing facility transfer lines
Available Configurations
• Loose hose — cut to required length
• Assembled with Camlock couplings (Type A, B, C, D, E, F)
• Assembled with BSP threaded end fittings
• Assembled with flanged ends (ANSI 150#, DIN, JIS)
• Hydrotest with certificate available on request
Why Choose Flytech Engineering?
• Ready stock — Klang, Selangor — fast delivery nationwide
• ISO 9001:2015 certified — consistent quality since 1999
• Over 25 years supplying composite hoses
• Custom assembly — any length, any end fitting
• Hydrotest with cert — for marine, offshore and oil & gas
• Export ready — Singapore, Indonesia, Thailand, Middle East
Frequently Asked Questions
Q: What is composite hose STG type used for?
A: Composite hose STG type is used for aggressive Chemical Group 3 transfer — including concentrated acids, alkalis, solvents, and chemicals incompatible with polypropylene lining. The PTFE inner lining provides near-universal chemical resistance.
Q: What is the difference between STG and STS type?
A: Both are PTFE-lined with SS316 inner wire. The STG type has galvanised outer wire. The STS type has full SS316 inner and outer wire — maximum specification for aggressive chemical and marine service.
Q: Is composite hose STG type EN 13765 certified?
A: Yes. EN 13765 Type 3 certified and IMO IBC Code compliant — required for chemical tanker and ship-to-shore transfer of Group 3 chemicals.
Q: What sizes are available?
A: Available in sizes 1″ to 8″ (DN25 to DN200) from Flytech Engineering in Klang. Custom lengths available.
Q: Is hydrotest certification available?
A: Yes. Hydrotest with certificate available for all composite hose STG type assemblies — required for chemical plant and marine compliance.
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