Pigtail, Hoses
& Fittings

KONEX by ProRack Gas Products features a full offering of flexible hoses, pigtails and fittings for the gas industry. Products are available for high pressure gas cylinder filling, manifold systems, liquid cryogenic transfer, high pressure tube trailers, and point of use distribution systems. From a few inches to hundred feet, KONEX products can help move gas for all applications. 

Outstanding Pigtails, Hoses and Fittings Features

  • High pressure flexible hoses are available in 3000, 3600, 4350 and 6000PSI maximum working pressures covering all applications of gas cylinder filling and point of use gas distribution. 
  • Cryogenic hoses are available for cylinder liquid transfer and bulk loading and unloading.
  • Custom rigid brazed copper and tig welded stainless steel pigtails can be supplied to meet all requirements for 3000 and 6000PSI gas service. 
  • Konex hoses are used in fill plants, gas manifolds, gas pack cradle manifolds and point of use gas distribution systems.
  • All hoses are supplied surpassing CGA E-9, 100% tested and cleaned for oxygen service.

Explore our Pigtail, hoses & Fittings

KONEX 3000PSI Braided Hose

CF CMF CM SERIES

PTFE Lined Stainless Steel Gas Hose for Cylinder Filling Pigtails and Manifolds

KONEX offers the compressed gas industry the most complete high quality line of PTFE lined high pressure hoses and pigtails. All KONEX hoses are designed with custom machined end fittings, stainless steel locking collars and 304 stainless reinforcing braid for a highly durable assembly with excellent flexibility. Each hose assembly is 100% pressure tested to 1-1/2 times the rated working pressure, and all hoses surpass CGA E-9 requirements.

CF CMF & CM SERIES 3000PSI STAINLESS STEEL GAS HOSE FEATURES

  • Light and flexible value hose for most standard gas services.
  • Available with machined brass end fittings. (Stainless available upon special request)
  • 1/4" FNPT, 1/4" MNPT available
  • Single Braid, PTFE core hose
  • Standard lengths 12", 14" 18" 24", 36" 48" 60" 72" OAL
  • Armor casing available
  • CGA Fittings available

3000PSI maximum working pressure, 4500PSI test pressure, 12,000PSI minimum burst pressure

See catalog sheet for full specifications

KONEX 3000PSI Braided Hose

CF CMF CM SERIES

PTFE Lined Stainless Steel Gas Hose for Cylinder Filling Pigtails and Manifolds

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KONEX 3600PSI Double Braided SS Hose

CFP SERIES

PTFE Lined Stainless Steel Double Braided Gas Hose for Cylinder Filling Pigtails and Manifolds

KONEX offers the compressed gas industry the most complete high quality line of PTFE lined high pressure hoses and pigtails. All KONEX hoses are designed with custom machined end fittings, stainless steel locking collars and 304 stainless reinforcing braid for a highly durable assembly with excellent flexibility. Each hose assembly is 100% pressure tested to 1-1/2 times the rated working pressure, and all hoses surpass CGA E-9 requirements.

CF CMF & CM SERIES 3600PSI DOUBLE BRAID STAINLESS STEEL GAS HOSE FEATURES

  • The gas industries most popular post sintered hose reduces permeation by approximately 75% and is equipped with double spiral braid.
  • Available with machined brass end fittings. (Stainless available upon special request)
  • 1/4" FNPT, 1/4" MNPT available
  • Double Braid, PTFE post sintered core hose
  • Standard lengths 12", 14" 18" 24", 36" 48" 60" 72" OAL
  • Armor casing available
  • CGA Fittings available

3600PSI maximum working pressure, 5400PSI test pressure, 14,400PSI minimum burst pressure

See catalog sheet for full specifications

KONEX 3600PSI Double Braided SS Hose

CFP SERIES

PTFE Lined, Post Sintered Double Braided Stainless Steel Gas Hose for Cylinder Filling Pigtails and Manifolds

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KONEX 6000PSI Double Braided SS Hose

CFHP SERIES

Stainless Steel Double Braided Ultra High Pressure Gas Hose for Cylinder Filling Pigtails and Manifolds

KONEX offers the compressed gas industry the most complete high quality line of PTFE lined high pressure hoses and pigtails. All KONEX hoses are designed with custom machined end fittings, stainless steel locking collars and 304 stainless reinforcing braid for a highly durable assembly with excellent flexibility. Each hose assembly is 100% pressure tested to 1-1/2 times the rated working pressure, and all hoses surpass CGA E-9 requirements.

CFHP SERIES 6000PSI DOUBLE BRAID STAINLESS STEEL GAS HOSE FEATURES

  • These hoses are KONEX highest pressure rating hoses carrying a rating of 6000PSI due to the extra heavy stainless steel braiding and double spiral wrap reinforcing.
  • Available with stainless steel end fittings
  • 1/4" FNPT, 1/4" MNPT available
  • Double Braid, double spiral wrap
  • Standard lengths 12", 14" 18" 24", 36" 48" 60" 72" OAL
  • Armor casing available
  • CGA Fittings available

6000PSI maximum working pressure, 9000PSI test pressure, 24,00PSI minimum burst pressure

See catalog sheet for full specifications

KONEX 6000PSI Double Braided SS Hose

CFHP SERIES

Double Braided Ultra High Pressure Stainless Steel Gas Hose for Cylinder Filling Pigtails and Manifolds

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KONEX 3000PSI ETFE Braided Hose

CFTZ SERIES

ETFE "TEFZEL" Lined Stainless Steel Gas Hose for Cylinder Filling Pigtails and Manifolds

KONEX offers the compressed gas industry the most complete high quality line of PTFE lined high pressure hoses and pigtails. All KONEX hoses are designed with custom machined end fittings, stainless steel locking collars and

CFTZ SERIES 3000PSI STAINLESS STEEL GAS HOSE FEATURES

  • Features flexibility and reduced permeation with 77% lower effusion than standard PTFE hoses. The Tefzel smooth bore liner is designed for use with small molecule gases a fraction of the cost of welded all metal stainless steel hoses. (Not for use in Oxygen).
  • Available with machined brass end fittings. (Stainless available upon special request)
  • 1/4" FNPT, 1/4" MNPT available
  • Single Braid, ETFE core hose
  • Standard lengths 12", 14" 18" 24", 36" 48" 60" 72" OAL
  • Armor casing available
  • CGA Fittings available

3000PSI maximum working pressure, 4500PSI test pressure, 12,000PSI minimum burst pressure

See catalog sheet for full specifications

KONEX 3000PSI ETFE Braided Hose

CFTZ SERIES

ETFE Lined "Tefzel" Stainless Steel Gas Hose for Cylinder Filling Pigtails and Manifolds, specifically specified for Helium and Hydrogen

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KONEX 3850PSI 316SS METAL CORE SS BRAIDED

CFSS SERIES

316SS All Metal Stainless Steel Gas Hose for Cylinder Filling Pigtails and Manifolds

KONEX offers the specialty gas industry hoses dedicated for use with smaller molecule gases with zero permeation for the most critical specialty gas requirements. All KONEX hoses are designed with custom machined end fittings, stainless steel locking collars and 304 stainless reinforcing braid for a highly durable assembly with excellent flexibility. Each hose assembly is 100% pressure tested to 1-1/2 times the rated working pressure, and all hoses surpass CGA E-9 requirements.

CFSS SERIES 3850PSI STAINLESS STEEL GAS HOSE FEATURES

  • KONEX ultra flexible stainless steel core hoses are the ultimate product for demanding, high end specialty gas applications. The hoses are designed with annular close-corrugation 316 stainless steel core, ensuring high-purity, zero effusion, and excellent flexibility combined with two stainless steel braids for high working pressure “ZERO PERMEATION”.
  • Stainless steel end fittings
  • 1/4" FNPT, 1/4" MNPT available
  • All metal core spiral and braiding
  • Standard lengths 12", 14" 18" 24", 36" 48" 60" 72" OAL
  • Armor casing available
  • CGA Fittings available

3850PSI maximum working pressure, 4800PSI test pressure, 15,400PSI minimum burst pressure

See catalog sheet for full specifications

KONEX 3850PSI 316SS METAL CORE SS BRAIDED

CFSS SERIES

316SS Metal core braided gas hose for cylinder filling pigtails and manifolds, specifically designed for non-permeable specialty gas applications

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KONEX 3850PSI MONEL METAL CORE SS BRAIDED

CFMONEL SERIES

Monel Core with Stainless Steel Braid Gas Hose for Cylinder Filling Pigtails and Manifolds

KONEX offers the specialty gas industry hoses dedicated for use with smaller molecule gases with zero permeation for the most critical specialty gas requirements. All KONEX hoses are designed with custom machined end fittings, stainless steel locking collars and 304 stainless reinforcing braid for a highly durable assembly with excellent flexibility. Each hose assembly is 100% pressure tested to 1-1/2 times the rated working pressure, and all hoses surpass CGA E-9 requirements.

CFMONEL SERIES 3850PSI MONEL CORE GAS HOSE FEATURES

  • KONEX ultra flexible Monel inner core hoses are the premium product for high purity corrosive gas applications featuring zero effusion.
  • The hoses are designed with annular close-corrugation Monel core, ensuring high-purity, zero effusion, and excellent flexibility combined with two stainless steel braids for high working pressure. End fittings are machined from Monel.
  • Monel end fittings
  • 1/4" FNPT, 1/4" MNPT available
  • All metal core spiral and braiding
  • Standard lengths 12", 14" 18" 24", 36" 48" 60" 72" OAL
  • Armor casing available
  • CGA Fittings available

3850PSI maximum working pressure, 4800PSI test pressure, 15,400PSI minimum burst pressure

See catalog sheet for full specifications

KONEX 3850PSI MONEL METAL CORE SS BRAIDED

CFMONEL SERIES

316SS MONEL Metal core braided gas hose for cylinder filling pigtails and manifolds, specifically designed corrosive applications

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KONEX 5000PSI TUBE TRAILER HOSE

8TSHP SERIES

PTFE Lined Tube Trailer Hose for use with Oxygen and Inert Gases (For flow rates ABOVE 150 ft / sec)

KONEX offers the compressed gas industry various tube trailer hoses to meet all gas application requirements. All KONEX hoses are designed with custom machined end fittings, stainless steel locking collars and 304 stainless reinforcing braid for a highly durable assembly with excellent flexibility. Each hose assembly is 100% pressure tested to 1-1/2 times the rated working pressure, and all hoses surpass CGA E-9 requirements.

8TSHP SERIES 5000PSI TUBE TRAILER GAS HOSE FEATURES

  • TSHP Series – Good for use with oxygen and inert gases. TSHP is constructed with a smooth-bore PTFE liner for even product flow and low permeation.
  • The high density steel braids provide the highest working pressure possible for tube trailer service.
  • The optional stainless steel armor casing ensures safety by offering anti-kink characteristics and protecting the stainless steel braid.
  • 1/2" Male or Female NPT end fittings available
  • Standard lengths are 10'. Any lengths are available by foot.
  • Armor casing available
  • CGA Fittings available

5000PSI maximum working pressure, 900PSI test pressure, 2000PSI minimum burst pressure

See catalog sheet for full specifications

KONEX 5000PSI TUBE TRAILER HOSE

8TSHP SERIES

5000PSI PTFE Lined Tube Trailer Hoses for use with high volume bulk filling and discharging of oxygen and inert gases on tube trailers.

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KONEX 3700PSI TUBE TRAILER HOSE

SF32HP SERIES

Stainless Steel Innercore Tube Trailer Hose for use with gases such as Hydrogen and Helium (For flow rates BELOW 150 ft / sec)

KONEX offers the compressed gas industry various tube trailer hoses to meet all gas application requirements. All KONEX hoses are designed with custom machined end fittings, stainless steel locking collars and 304 stainless reinforcing braid for a highly durable assembly with excellent flexibility. Each hose assembly is 100% pressure tested to 1-1/2 times the rated working pressure, and all hoses surpass CGA E-9 requirements.

8TSHP SERIES 5000PSI TUBE TRAILER GAS HOSE FEATURES

  • SF32HP Series – is KONEX zero permeation, all welded stainless steel inner core hose.
  • This tube trailer hose is perfect for specialty gas tube trailer transfill applications of small molecule gases such as hydrogen and helium below 150 ft sec.
  • The optional stainless steel armor casing ensures safety by offering anti-kink characteristics and protecting the stainless steel braid.
  • The high density steel braids provide the highest working pressure possible for tube trailer service.
  • The optional stainless steel armor casing ensures safety by offering anti-kink characteristics and protecting the stainless steel braid.
  • 1/2" Male or Female NPT end fittings available
  • Standard lengths are 10'. Any lengths are available by foot.

3700PSI maximum working pressure, 5500PSI test pressure, 14,800PSI minimum burst pressure

See catalog sheet for full specifications

KONEX 3700PSI TUBE TRAILER HOSE

SF32HP SERIES

3700PSI Stainless Steel Lined Tube Trailer Hoses for use with high volume bulk filling and discharging of gases such Helium and Hydrogen

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KONEX ULTRAFLEX LIQUID CYLINDER HOSE

NASFF OSFF SERIES

Liquid Cylinder Hoses for Cryogenic Cylinder Service

ULTRAFLEX by KONEX is the industry’s most flexible and durable hose for use with cryogenic liquid cylinders. The unique internal disymetrical omega configuration results in ease of bending and cycle-life of 50,000 plus per ISO 10380 standards. The optional stainless steel armor casing ensures safety by offering anti-kink characteristics and protecting the stainless steel braid. Each hose assembly is 100% pressure tested to 1-1/2 times the rated working pressure, and all hoses surpass CGA E-9 requirements.

OSFF and NASFF SERIES LIQUID CYLINDER GAS HOSE FEATURES

  • Extremely flexible, stainless steel flexible hose for cryogenic service
  • Inert and oxygen service available
  • -450F to 1500F
  • Machined stainless steel end fittings
  • 1/2" Flare (CGA295) and 5/8" Flare (CGA440) are standard fittings
  • Standard lengths 36", 48" 60" 72"
  • Armor casing available

1160PSI maximum working pressure

See catalog sheet for full specifications

KONEX ULTRAFLEX LIQUID CYLINDER HOSE

NASFF OSFF SERIES

Ultra Flexible 1160 PSI Liquid Cylinder Hoses for use with Oxygen and Inert Gas Cryogenic Liquid Cylinders

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KONEX SUPERFLEX LIQUID CYLINDER HOSE

E SERIES

Liquid Cylinder Hoses for Cryogenic Cylinder Service

SUPERFLEX by KONEX are dependable, rugged, and economical for most liquid cylinder applications. The optional stainless steel armor casing ensures safety by offering anti-kink characteristics and protecting the stainless steel braid. Each hose assembly is 100% pressure tested to 1-1/2 times the rated working pressure, and all hoses surpass CGA E-9 requirements.

OSFF and NASFF E SERIES LIQUID CYLINDER GAS HOSE FEATURES

  • Durable stainless steel flexible hose for cryogenic service
  • Inert and oxygen service available
  • -450F to 1500F
  • Machined stainless steel end fittings
  • 1/2" Flare (CGA295) and 5/8" Flare (CGA440) are standard fittings
  • Standard lengths 36", 48" 60" 72"
  • Armor casing available

1330PSI maximum working pressure

See catalog sheet for full specifications

KONEX SUPERFLEX LIQUID CYLINDER HOSE

E SERIES

Super Flexible 1330 PSI Liquid Cylinder Hoses for use with Oxygen and Inert Gas Cryogenic Liquid Cylinders

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KONEX BULK CRYOGENIC HOSE

SF21 SERIES

Bulk Cryogenic Hose Unloading and Loading Cryogenic Gases

KONEX offers the compressed gas industry the best quality bulk cryogenic hoses designed specifically for loading and unloading cryogenic vessels. All KONEX hoses are designed with custom machined end fittings. Each hose assembly is 100% leak tested. Each hose assembly is 100% pressure tested to 1-1/2 times the rated working pressure, and all hoses surpass CGA E-9 requirements.

SF21 Series Bulk Cryogenic Hose Features

  • SF21 Series – The KONEX “Superflex” is a durable all stainless steel hose for the bulk transfer of cryogenic liquid.
  • Hoses are available in 1 inch, 1.5 inch and 2 inch diameters.
  • Each assembly is constructed with a 321 stainless steel corrugated inner core, a 304 stainless steel single braid, and 304 stainless steel female NPT threaded coupling each end to accommodate an appropriate CGA threaded fitting.
  • All hoses are supplied standard with 18” casing cuffs. Assemblies can be supplied with brazed on CGA fittings as a special order.
  • 516PSI to 571PSI Working Pressures
  • 1", 1.5" & 2" ID Hose available
  • -450F to 1500F
  • Machined stainless steel end fittings
  • 1/2" Flare (CGA295) and 5/8" Flare (CGA440) are standard fittings
  • Armor casing available

516 PSI maximum working pressure, 1" ID

472 PSI maximum working pressure, 1.5" ID

571 PSI maximum working pressure, 2" ID

See catalog sheet for full specifications

KONEX BULK CRYOGENIC HOSE

SF21 SERIES

Konex Bulk Cryogenic Hose for Loading and Unloading Cryogenic Vessels

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MEDICAL GAS FILL YOKES

MFY SERIES

Chromed Plated Medical Gas Filling Yokes For Pin Index Cylinders

High quality solid brass forged medical fill yokes with chrome plating for durability. Various CGA connections are available for all medical gases

KEY FEATURES

  • All medical yokes are cleaned and packaged for oxygen service
  • Available with CGA, 1/4” & 1/2” M.NPT end connections
  • Standard T-Handle and Deluxe handtight connections are available
  • Special order non-chrome plated all brass yokes available
  • All yokes are manufactured for up to 3000PSI service pressure
  • Repeatable performance

See catalog sheet for full specifications

MEDICAL GAS FILL YOKES

MFY SERIES

KONEX Medical Gas Filling Yokes for Filling and Transfilling Medical Gases into small Pin Index Valve on Small Cylinders

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MEDICAL GAS QUICK CONNECT

TW42 SERIES

Medical Gas Quick Connect Filling Yokes For Pin Index Cylinders

The yoke quick connector type TW42 is especially designed for filling of gas cylinders with Pin-Index system. The connector is very light in weight and therefore easy to operate. Being open at one side makes it easy to connect. Simply place the connector body of the yoke quick connector over the cylinder valve, align it with the index pins and move upwards. The pressure-tight connection is made. The pressure-assisted piston prevents accidental disconnection under pressure and provides additional safety.

TW42 QUICK CONNECT FEATURES
  • Connectors for oxygen applications are oxygen cleaned and free of oil and grease.
  • For Pin-Index connection CGA870
  • Monel vetted piston and full brass, enhances safety (heat sink & spark free)
  • Open bow body for connection in seconds
  • Pressure-assisted piston prevents accidental disconnection under pressure
  • High-grade materials

See catalog sheet for full specifications

MEDICAL GAS QUICK CONNECT

TW42 SERIES

KONEX Quick Connect Medical Gas Yokes for Filling and Transfilling Medical Gases into small Pin Index Valve on Small Cylinders

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CGA CYLINDER GAS QUICK CONNECT

TW54 SERIES

Gas Quick Connect For Filling High Pressure Gas Cylinders

The Quick Connectors have been designed for connection to female and male CGA cylinder valve threads. Just flip the bail to connect – no tapes, no thread sealants, no hand-tightening needed, thus reducing operating times and increasing productivity and eliminating carpal tunnel syndrome due to repetitive wrist movements. Connectors for oxygen applications are cleaned for oxygen and available with adiabatic oxygen approval and rated for 3,000 psi as per CGA and MAWP 3750PSI. The connectors feature high flow and are available with or without RPV (residual pressure cylinder valves). A large variety of bails and levers in different shapes and sizes are available.

TW54 QUICK CONNECT FEATURES
  • Stainless steel and brass body components
  • Bail actuated connectors
  • Jaw Locking Mechanism
  • EPDM Elastomer Seals
  • Whip connection port:
  • Male: 90 Degree Right Angle 1/4”NPT, or Male: Straight 1/4” NPT
  • Specifically designed for heavy duty, high volume filling requirements.
  • Constructed from high grade materials
  • Common CGA connections available; CGA540 and CGA580

See catalog sheet for full specifications

CGA CYLINDER GAS QUICK CONNECT

TW54 SERIES

KONEX Bail Style Quick Connect for Cylinder Gas Filling

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BRASS AND SS CGA FITTINGS

3000-7500PSI

Brass and Stainless Steel CGA Fittings for Cylinder Filling and Cylinder Connections

High quality solid machined brass and stainless steel cylinder connections, adaptors, tees, caps and plugs for various CGA connections are available for all gases.

KEY FEATURES

  • Machined brass and stainless steel fittings
  • Designed and machined to CGA V1 Standards
  • Oxygen Cleaned and bagged
  • 3000 to 7500PSI maximum working pressure
  • Industrial, Medical and Specialty gases

See catalog sheet for full specifications

BRASS AND SS CGA FITTINGS

3000-7500PSI

KONEX CGA connections, adaptors, tees, caps and plugs are commonly used for cylinder filling and point of use applications.

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BRASS AND SS PIPE FITTINGS

3000-7500PSI

Brass and Stainless Steel Pipe Fittings for Assembly of Small Manifolds and Hose Assemblies

High quality solid machined brass and stainless steel tees, crossess, elbows, adaptors and connectors for cylinder connections, manifolds and hose assemblies.

KEY FEATURES

  • Machined brass and stainless steel fittings
  • Designed and machined to exact standards
  • Oxygen Cleaned and bagged
  • 3000 to 7500PSI maximum working pressure
  • Industrial, Medical and Specialty gases

See catalog sheet for full specifications

BRASS AND SS PIPE FITTINGS

3000-7500PSI

KONEX Machined Brass and Stainless Steel Pipe Fittings for Assembly of Small Manifolds and Hose Assemblies

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BRASS PIPE AND MANIFOLD FITTINGS

3000 to 4350PSI

Brass Pipe and Manifold Fittings for Assembly of Cylinder Filling and Point of Use Manifolds

High quality solid machined brass and tees, crosses, elbows, adaptors and connectors for assembly of cylinder filling manifold systems

  • Machined brass bar stock and forged fittings
  • Designed and machined to exact standards
  • Oxygen Cleaned and bagged
  • 3750PSI to 4350PSI maximum working pressure
  • Industrial, Medical and Specialty gases

See catalog sheet for full specifications

BRASS PIPE AND MANIFOLD FITTINGS

3000 to 4350PSI

KONEX Machined Brass Pipe Fittings and Adaptors for Assembly of Cylinder Filling and Point Of Use Manifolds

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