Model L76T-UF

Threaded In-Line Flame Arrestor L76T-UF

The L76T-UF threaded in-line flame arrestor provides maximum flame inhibition with minimal pressure drop. Designed to protect gas piping systems and low-pressure storage tanks, the L76T-UF provides reliable, economical defense with a custom-designed spiral-wound crimped ribbon element.

The L76T-UF is threaded for easy installation and removal, and includes an easy-to-clean, modular and simple-to-swap 316SS flame element.

  • Flame arrestor element geometry maximizes flame quenching capability while minimizing pressure drop
  • Removable element housing for ease of maintenance
  • Spiral-wound, crimped ribbon flame element
  • Flame elements made standard with premium 316SS material

Connection sizes: 2″, 3″ and 4″ NPT

Gas group: NEC D; IEC IIA (MESG > 0.90 mm)

Maximum operational pressure: see charts and IOM

Burn time: tBT 2.5 minutes or better at atmospheric pressure (see charts and IOM)

Standard housing materials: carbon steel, stainless steel

Bases standard material: carbon steel

Flame element: 316SS – spiral-wound, crimped-ribbon

Operating temperature: -4 to 140º F (-20 to 60º C)

Bi-directional with respect to flow and ignition source

Wt. Lbs.
Carbon Steel
2″ FPT 5″ 9.00″ 10.50″ 100 psig 36
3″ FPT 6″ 10.50″ 12.25″ 100 psig 52
4″ FPT 8″ 12.50″ 13.13″ 100 psig 89
4″ FPT 10″ 14.30″ 13.13″ 100 psig 106

Specifications subject to change without notice. Certified dimensions available upon request.

Pneumatic tested to 15 psig as standard.

* MAWP does not reflect the maximum operational pressure of the flame arrestor. Please consult the specifications section of the product IOM for the correct maximum operational pressure of the arrestor.

MAWP, refers only to the maximum shell pressure allowed, it has no relation or influence on the flame arresting performance of the flame arrestor.

  • Exterior painting or coating available
  • Drains and instrumentation ports available
  • Factory installed thermocouples for flame sensing available

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