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Ultra Flow
®
HIGH BTU GAS CONNECTOR SPECIFICATIONS
High BTU Stainless Steel
Gas Connectors
DesignCerticationsandApprovals
• ANSI Z21.24/CSA 6.10 – Connectors for Gas Appliances
• ANSI Z21.75/CSA 6.27 – Connectors for Outdoor Appliances
and Manufactured Homes
• City of New York – MEA #376-92-M
• Approved by the Commonwealth of Massachusetts Board of
State Examiners of Plumbers and Gas Fitters – connector length
may not exceed 36".
* Tested and passed vibration criteria set forth in UL2200, section
35.1.3.3, “Stationary Engine Generator Assemblies,” and UL536,
section 7, “Flexible Metallic Hose.”
FeaturesandSpecications
• Tubing Annealed, 304 stainless steel (ASTM A240)
• Flare nuts Brass or plated steel
• Adapters Brass or plated steel
• Optional coating Heavy-duty, antimicrobial, hot-dipped gray PVC
(41, 51 & 61 series). Coating will not hold a flame.
• Approved for indoor and outdoor use
• Operating temperature with adapters: -40°F to 150°F
• 100% leak tested
• When installing a new appliance or when an existing appliance
is moved to a new location a NEW gas connector must be used
per manufacturer’s installation instructions and per product
standards ANSI Z21.24/CSA 6.10 and ANSI Z21.75/CSA 6.27.
• Avoid repeated bending, flexing, or extreme vibration. Do not
use on portable gas generators due to excessive vibration
• Not suitable for moveable installations. Not NSF certified.
Applications
• Boilers
• Gas Meters
• Furnaces
• Commercial
Designed for high BTU demand
Exclusive No-Neck
®
design increases flexibility
CSA design-certified
Durable 304 stainless steel
tubing
More corrugations per inch
increase flexibility and extend
service life
Water Heaters
• Gas packs/Rooftop HVAC
units
• Tankless Water Heater
• Stationary Standby Gas
Generators*
• Specifically designed for
application with a significant
BTU requirement. Can supply
up to 1.5 million BTU (natural
gas) or 2.4 million (propane),
depending on length.
• Eliminates the need for pipe
nipples, 90’s and elbows.
• Pre-fabricated gas connector
means no field threading,
cutting or assembly of CSST
fitting and tubing.
• Available with hot-dipped PVC
coating with antimicrobial
agent, SafetyShield yellow
coating, or Stainless Steel.
Connector Minimum Flow Capacity – For Propane Gas (per ANSI Z21.24/CSA 6.10 & ANSI Z21.75/CSA 6.27)
Straight Length Capacity – BTU per Hr 1.55 SG., 2500 BTU per Cu. Ft. at 0.5 inch Water Column Pressure Drop
Series Nominal OD
(in)
Nominal ID
(in)
12" 18" 24" 30" 36" 48" 60" 72"
40/41/40C 1" 3/4" 558,400 509,600 465,440 432,800 409,440 344,000 315,840 278,240
50/51 1-1/4" 1" 1,116,800 1,019,200 930,880 872,320 825,440 708,320 638,240 556,480
60/61 1-1/2" 1-1/4" 2,400,000 2,352,000 1,920,000 1,808,000 1,536,000 1,488,000
Connector Minimum Flow Capacity – For Natural Gas (per ANSI Z21.24/CSA 6.10 & ANSI Z21.75/CSA 6.27)
Straight Length Capacity – BTU per Hr 0.64 SG., 1000 BTU per Cu. Ft. at 0.5 inch Water Column Pressure Drop
Series Nominal OD
(in)
Nominal ID
(in)
12" 18" 24" 30" 36" 48" 60" 72"
40/41/40C 1" 3/4" 349,000 318,500 290,900 270,500 255,900 215,000 197,400 173,900
50/51 1-1/4" 1" 698,000 637,000 581,800 545,200 515,900 442,700 398,900 347,800
60/61 1-1/2" 1-1/4" 1,500,000 1,470,000 1,200,000 1,130,000 960,000 930,000
All installations must completely comply with all Dormont
manufacturing company warnings and instructions, nation-
al, state and local codes and all applicable ansi standards.
NOTICE
When using 0.2 water column pressure drop, capacity can be determined by multiplying the values above by 0.632 (for both natural and propane gas).
For capacities at other than noted, contact Dormont at 1-800-DORMONT.
FIP endMIP end
WARNING
!