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5 Products That Will Create Efficiency in Your CNG System

Zemarc is your Fluid Power Distributor

Zemarc Corporation is a Complete CNG Solutions provider. We have the unique ability to integrate multiple technologies into robust, customer-focused solutions, such as on board fuel regulation modules and custom manifolds. Our solutions include fittings, couplings, valves, regulators, hoses, nozzles, and receptacles.

1. Fittings

Use fittings designed for CNG applications

Seal-Lok for CNG O-Ring Face Seal (ORFS) Fittings

  • Leak-free, vibration-resistant ORGS threaded connections
  • Available in 1/4″ to 3/4″ and 6mm to 20mm
  • Resistant to over-torque up to 200%
  • ECE R110, ANSI NGV, 3.1-2014/CSA 12.3-2014, & ISO 15500
  • Stainless Steel & XTR (zinc nickle) plated steel

Compression Fittings

  • CPI™ Tube Fittings – single ferrule, leak-proof, molybdenum coated nut fit fine pitch threads
  • A-LOK® Tube Fittings – two-ferrule, leak-proof

2. Filters designed for CNG

The M series and J series Filters (Parker Hannifin) are high pressure gas separation filters designed for CNG applications.

M Series Filters

  • 800 psig (55 bar) maximum pressure ensures reliability
  • Excellent corrosion resistance
  • Easy drainage without bowl removal
  • Multiple sizes and media choices

J Series Filters

  • 5000 psig (345 bar) remove solid/ liquid contaminants
  • More filter choices than any other competitor
  • Easy drainage without bowl removal
  • Optional high pressure drain kits allow drainage while system is pressurized

3. Valves

Utilize the right valves that are available for on vehicle solutions. Zemarc offers high-pressure CNG valves, low-pressure CNG valves, check valves, receptacles, HB4 series ball valves, B series ball valves, and more.

Check Valves

Place on on the fuel line between the fill receptacle and the fuel tank
Parker’s CVS-363 is ideal for
  • Uni-directional flow control
  • Preventing return flow

Ball Valves

HB4 Series Ball Valves – Compact & Rugged, spring-loaded seats for high cycle life, low operating torques up to 10k psig, great for diverter applications
B Series Ball Valves – Manually, pneumatically, and electrically actuated two-way, quick 1/2 turn, on-off control of natural gas

4. CNG Hose

We offer low and high pressure hoses that are compatible for CNG applications. Hoses meet multiple testing and conformance standards to ensure longevity in fuel conveyance applications.

  • Electrically Conductive Compressed Natural Gas Hose
  • Dampens vibration and noise
  • Up to 30% lighter than rigid tubing 
  • Easy to install with faster routing and simple maintenance
  • Resists fatigue, corrosion, and environmental effects

Parflex 5CNG Hose

5. CNG Pressure Transducers

We offer high pressure CNG transducers that are certified to industry standards and organization approvals. The CNG transducer provides accuracy and reliability for high pressure applications even in the most harsh environments.

  • Conforms to ANSI/CSA NGV 3.1 2014 -P36
  • Working pressure up to 5,000 psi
  • Wide operating temperature -40°C to +125°C
  • One piece 316 Stainless steel construction
    for harsh environments
  • Standard accuracy +/- 0.5%

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