Flexible Connectors

Since their introduction in 1995, FLEX-ING™ FIREFLEX Flexible Connectors have quickly become the industry standard and benchmark for quality as a means to easily connect pipework system to other systems components such as submersible pumps or shear valves. The benefit of their use is undeniable. They have quickly become an integral part of any installation. Installers love their ease of installation while station owners have come to depend on their durability and how easy they make regular maintenance. With tons of available options, Franklin Fueling Systems has the right connector to fit any application.

Flexibility is Key

When it comes to Flexible Connectors, flexibility is key. The tight working conditions found in dispenser and tank sumps provide little room for installers to work, motivating some manufacturers of flexible connectors to sacrifice overall strength for flexibility. With FLEX-ING™ FIREFLEX Flexible Connectors, there’s no need to compromise. Their corrugated fuel contact layers feature a 25% thicker metal construction and gain flexibility from having more corrugations per foot rather than thinner walls.

Quality Construction

Enclosing the corrugated fuel contact layer is a stainless steel braid that is manufactured from only high-grade stainless steel. The precision braiding process used to manufacture the braid gives strength while still maintaining flexibility. These layers are tied together with a hand-welded coupler ring, and are factory pressure-tested for zero leaks.

Ready for Anything

FLEX-ING™ FIREFLEX Flexible Connectors are available in a multitude of end connections to ensure the right fit for any application - including tees, elbows and FRP transitions. Standard male and female end connections with integrated hex-head surfaces provide easy installation and tightening. The male swivel end connection option allows for the ultimate in ease of installation. The male swivel end connection option features a three-gasket, x-ring seal design. This adds up to a total of six seals, eliminating potential leak paths.

EZ Fit Flexible Connectors

The EZ FIT union style coupling system is specifically designed to make connections in confined spaces simple and tight. The entire flexible connector assembly can be quickly and easily disconnected and pulled out of the inline system without breaking pipe. This feature makes installation fast and regular maintenance simple to carry out. Each EZ FIT union style coupling comes complete with couplers and gaskets.

specs

  • USA NFPA 30-A fire rated
  • All metal construction means one flexible connector for both above and below ground applications
  • An 18-8 alloy with titanium, 321 Stainless Steel inner core provides a long service life
  • Thick, schedule 80 hex end fittings protect against deformation of the ends
  • 100% pressure tested to assure quality
  • UL 536 listed for 50psi working pressure
  • EZ FIT clamp and gasket are included with each assembly

Certifications

  • UL 536 listed for above and below ground installation.

Order Info

Use these diagrams below along with the Ordering Guide at the bottom of the page to help you build your flexible connector model numbers.

Ordering Options Diagram

Use the options and descriptions in the Ordering Guide along with this diagram to assist in building your model numbers.

End Fitting Options

Use the options and descriptions in the Ordering Guide along with the diagrams below to select your end fitting types (two total).

Ordering Guide

A B X C D X E

  • A = Product Type
  • FF = If either of the end connections are any type of swivel, this option must be selected.
  • FFUL = If both end connections are fixed (non-swivel), this option must be selected.
  • B = Hose Diameter
  • 07 = ¾"
  • 10 = 1"
  • 15 = 1½"
  • 20 = 2"
  • 30 = 3"
  • 40 = 4"
  • C = Overall Length in Inches
  • Use two-digit format
  • D & E = End Fitting Options
  • EZ = EZ FIT flange only
  • EZM = EZ FIT male NPT (Each EZ FIT union style coupling comes complete with couplers and gaskets)
  • EZF = EZ FIT female NPT (Each EZ FIT union style coupling comes complete with couplers and gaskets)
  • EZFG = EZ FIT fiberglass glue pipe (Each EZ FIT union style coupling comes complete with couplers and gaskets)
  • M346 = Male swivel NPT
  • F346 = Female swivel NPT
  • HM = Hex male fixed NPT
  • HF = Hex female fixed NPT
  • BT = Hex male fixed BSPT
  • BTS = Male swivel BSPT
  • MS90 = 90° with male swivel NPT
  • Example: FF20X18M346XHM = FIREFLEX flexible connector with swivel end fitting(s), 2” hose diameter, 18” overall length, with one male swivel end fitting and one fixed hex male end fitting.
  • Note: Additional options are available. If the options you need are not show, contact Customer Service for assistance.

Common Models

You can also select from the following most-common flexible connector model numbers.

Model

Description

FF07X14HMXM346

¾" dia flex w/ ¾" hex male by ¾" male 346 swivel; 14" OAL

FF10X18HMXM346

1" dia flex w/ 1" hex male by 1" male 346 swivel; 18" OAL

FF15X12F346XEZ

1½" dia flex w/ 1½" female 346 swivel by 2" EZ fit flange; 12" OAL

FF15X12HMXM346

1½" dia flex w/ 1½" hex male by 1½" male 346 swivel; 12" OAL

FF15X12M346XF

1½" dia flex w/ 1½" male 346 swivel by 1½" hex female; 12" OAL

FF15X14BTXBTS

1½" dia flex w/ 1½" BSPT hex male by 1½" BSPT male 346 swivel; 14" OAL

FF15X15HMXM346

1½" dia flex w/ 1½" hex male by 1½" male 346 swivel; 15" OAL

FF15X18BTXBTS

1½" dia flex w/ 1½" BSPT hex male by 1½" BSPT male 346 swivel; 18" OAL

FF15X18HMXM346

1½" dia flex w/ 1½" hex male by 1½" male 346 swivel; 18" OAL

FF15X18M346X2F

1½" dia flex w/ 1½" male 346 swivel by 2" hex female; 18" OAL

FF15X24BTXBTS

1½" dia flex w/ 1½" BSPT hex male by 1½" BSPT male 346 swivel; 24" OAL

FF15X24HMXM346

1½" dia flex w/ 1½" hex male by 1½" male 346 swivel; 24" OAL

FF15X30HMXM346

1½" dia flex w/ 1½" hex male by 1½" male 346 swivel; 30" OAL

FF20X12F346XEZ

2" dia flex w/ 2" female 346 swivel by 2" EZ fit flange; 12" OAL

FF20X12HMXM346

2" dia flex w/ 2" hex male by 2" male 346 swivel; 12" OAL

FF20X12M346XF

2" dia flex w/ 2" male 346 swivel by 2" hex female; 12" OAL

FF20X15HMXM346

2" dia flex w/ 2" hex male by 2" male 346 swivel; 15" OAL

FF20X18BTXBTS

2" dia flex w/ 2" BSPT hex male by 2"BSPT male 346 swivel; 18" OAL

FF20X18HMXM346

2" dia flex w/ 2" hex male by 2" male 346 swivel; 18" OAL

FF20X18M346XF

2" dia flex w/ 2" male 346 swivel by 2" hex female; 18" OAL

FF20X24BTXBTS

2" dia flex w/ 2" BSPT hex male by 2" BSPT male 346 swivel; 24" OAL

FF20X24HMXM346

2" dia flex w/ 2" hex male by 2" male 346 swivel; 24" OAL

FF20X24HMXMS90

2" dia flex w/ 2" hex male by 2" 90° male 346 swivel; 24" OAL

FF20X24M346XF

2" dia flex w/ 2" male 346 swivel by 2" hex female; 24" OAL

FFUL15X12HMXHM

1½" dia flex w/ 1½" hex male by 1½" hex male; 12" OAL

FFUL15X15HMXHM

1½" dia flex w/ 1½" hex male by 1½" hex male; 15" OAL

FFUL15X18HMXHM

1½" dia flex w/ 1½" hex male by 1½" hex male; 18" OAL

FFUL15X24HMXHM

1½" dia flex w/ 1½" hex male by 1½" hex male; 24" OAL

FFUL20X15HMXHM

2" dia flex w/ 2" hex male by 2" hex male; 15" OAL

FFUL20X18HMXHM

2" dia flex w/ 2" hex male by 2" hex male; 18" OAL

FFUL20X24HMXHM

2" dia flex w/ 2" hex male by 2" hex male; 24" OAL

FFUL20X30HMXF

2" dia flex w/ 2" hex male by 2" hex female; 30" OAL

FFUL20X48HMXHM

2" dia flex w/ 2" hex male by 2" hex male; 48" OAL

FFUL30X18MXM

3" dia flex w/ 3" male by 3" male; 18" OAL

FFUL30X24MXM

3" dia flex w/ 3" male by 3" male; 24" OAL

FFUL40X15MXM

4" dia flex w/ 4" male by 4" male; 15" OAL

FFUL40X18MXM

4" dia flex w/ 4" male by 4" male; 18" OAL

Flexible Connectors with Differing Hose and End Fitting Diameters

All end fittings are, by default, the same diameter as the hose. If you require a flexible connector where the end fitting diameter does not match the hose diameter, the size must be indicated numerically in front of the corresponding fitting as in the following example.

  • Example : FFUL15X18HMX2HM = FIREFLEX flexible connector with fixed end fittings, 1½" hose diameter, 18" overall length, with one 1½" hex male fixed end fitting and one 2" hex male fixed end fitting.

Rules:

  • End fitting diameters can not be smaller than hose diameters.
  • Only one hose fitting per flexible connector can be of a different diameter than the hose diameter.
  • End fitting diameter must only be one size larger than hose (1" hose could use 1½" fitting, 1½" hose could use 2" fitting, etc.)

 

 

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