is this 1" inside diameter??

The corrugated portion is 1" inside diameter. The short (about 1.5") tubular portions before the nuts are 7/8"

what the burst pressure rating and time?

I do not know the exact specifics about the hose. I can tell you I have had the line under about 30-50 psi for about 8 months and all is good. Very strong stainless and well constructed. Fairly flexible. I am using it on a water softener on a water well. Good luck!

is there any head loss vs gpm data available for this flex line?

At this moment we do not have data available for this flex line.

Is this for one or a pair?

This is one only (my order - 12/2017).

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💧 Flex your flow with stainless steel strength!

PRECISION FIT CONNECTOR - 1-inch female NPT threading guarantees a secure, leak-proof connection every time.
FLEXIBILITY MEETS TOUGHNESS - Heavy-duty bendable design adapts effortlessly to tight spaces without kinking.
OPTIMIZED FOR WATER SYSTEMS - Specifically engineered for water softeners and filtration setups to enhance system performance.
SEAMLESS STAINLESS STRENGTH - Durable corrosion-resistant stainless steel ensures long-lasting reliability.
READY TO INSTALL CONVENIENCE - Comes with free PTFE tape for a hassle-free, professional-grade seal.

This 18-inch corrugated stainless steel flexible water line features a 1-inch female NPT threaded connector, designed specifically for water softener and filter system supply lines. Its heavy-duty, bendable construction resists corrosion and kinking, ensuring a secure, leak-proof connection. Each purchase includes free PTFE tape for easy installation, making it a reliable and professional-grade plumbing solution.

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E£ 3645

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Brand	CMI
Material	Stainless Steel
Color	Stainless
Product Dimensions	18"L x 1"W
Outside Diameter	1 Inches
Item Length	18 Inches
UPC	783583354233 847877044313
Manufacturer	CMI Inc.
Global Trade Identification Number	00847877044313
Part Number	173218
Item Weight	9.1 ounces
Item model number	FLEX18-1FF
Is Discontinued By Manufacturer	No
Size	18" x 1"
Item Package Quantity	1
Included Components	1 line
Batteries Included?	No
Batteries Required?	No

18" Corrugated Stainless Steel Flexible Water Line - 1 Inch Female Threaded NPT Connector - Designed for Water Softeners Filters System Supply - Heavy Duty Bendable Flex Pipe Connections

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