Is the CNG Marine Vehicle Tank Filling Hose compatible with all CNG dispenser systems and fittings?

CNG Marine Vehicle Tank Filling Hose is designed to meet the key safety, pressure and environmental requirements of modern CNG refuelling, but compatibility with all CNG dispenser systems and fittings cannot be guaranteed from the hose specification alone. The hose’s conductive polyamide inner layer, aramid reinforcement (rated to 345 bar), and broad temperature range (-40°C to +82°C) plus compliance with NFPA 52, ANSI/CSA NGV 4.2-2014, CSA 12.52-2014, ISO 8031 and ISO 15500-17 make it suitable for the majority of certified CNG dispenser systems and standard NGV fittings. However, final compatibility depends on the specific coupling types, thread standards, sealing arrangements and dispenser configurations used at a given site. Before installation, verify mechanical and dimensional matching (thread type, size, torque and seal type), working pressure ratings, and any local codes. If needed, consult the hose manufacturer or supplier for recommended end fittings, adapters, and a compatibility statement for your exact dispenser model.

Can the CNG Marine Vehicle Tank Filling Hose be used continuously at its maximum 345 bar working pressure without reducing service life?

No. The CNG Marine Vehicle Tank Filling Hose is rated and constructed to safely handle working pressures up to 345 bar, but continuous operation at the maximum rated pressure is not recommended if you want to avoid accelerated wear and preserve service life. Hoses are specified with maximum working pressures for safe short-term operation and occasional peak loading; continuous exposure to the upper pressure limit increases cyclic stress, fatigue of the aramid reinforcement and seals, and can accelerate material degradation (inner conductive polyamide and outer polyurethane), especially under real-world factors like temperature swings, dynamic movement, and mechanical abrasion. For long-term reliability, industry best practice is to operate below the maximum rated pressure, implement regular inspection and maintenance, follow manufacturer duty-cycle guidance, and comply with applicable standards and safety protocols.

CNG Marine Vehicle Tank Filling Hose

All products, Thermoplastic hoses/

Additional information

Material	PA – polyamide
Maximum operating temperature [°C]	85
Minimum operating temperature [°C]	-40
Vacuum resistance	no

This lightweight and highly flexible hose is engineered specifically for safe and efficient transfer of compressed natural gas (CNG) when refueling CNG-powered vehicles. Its conductive polyamide inner layer (R<1.2×10⁵ Ω/m) ensures reliable electrostatic discharge control, while the robust aramid fiber reinforcement provides exceptional strength under working pressures up to 345 bar. The outer microperforated polyurethane layer delivers outstanding resistance to abrasion, UV exposure, and fluctuating weather conditions, guaranteeing long-lasting durability even in demanding environments. Designed to perform in extreme temperatures ranging from -40°C to +82°C, the hose combines safety, flexibility, and resilience in one advanced solution. Fully compliant with NFPA 52, ANSI/CSA NGV 4.2-2014, CSA 12.52-2014, as well as ISO 8031 and ISO 15500-17 standards, it offers a dependable choice for operators seeking maximum performance and safety in CNG refueling applications.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]
ZC-CNGMARINE-06	CNG MARINE thermoplastic hose 1/4"	6	345
ZC-CNGMARINE-08	CNG MARINE thermoplastic hose 5/16"	8	345
ZC-CNGMARINE-10	CNG MARINE thermoplastic hose 3/8"	10	345
ZC-CNGMARINE-13	CNG MARINE thermoplastic hose 1/2"	12	345
ZC-CNGMARINE-19	CNG MARINE thermoplastic hose 3/4"	20	345
ZC-CNGMARINE-25	CNG MARINE 1"" thermoplastic hose	25	345

This lightweight and highly flexible hose is engineered specifically for safe and efficient transfer of compressed natural gas (CNG) when refueling CNG-powered vehicles. Its conductive polyamide inner layer (R<1.2×10⁵ Ω/m) ensures reliable electrostatic discharge control, while the robust aramid fiber reinforcement provides exceptional strength under working pressures up to 345 bar. The outer microperforated polyurethane layer delivers outstanding resistance to abrasion, UV exposure, and fluctuating weather conditions, guaranteeing long-lasting durability even in demanding environments. Designed to perform in extreme temperatures ranging from -40°C to +82°C, the hose combines safety, flexibility, and resilience in one advanced solution. Fully compliant with NFPA 52, ANSI/CSA NGV 4.2-2014, CSA 12.52-2014, as well as ISO 8031 and ISO 15500-17 standards, it offers a dependable choice for operators seeking maximum performance and safety in CNG refueling applications.