Metal Protection Tubes
PTBS / PTSS
To Order (Specify Model Number)
Nominal 3/4" Schedule 40 Black Steel Pipe
(.824" I.D. x 1.050" O.D.)
Nominal 1/2" Schedule 40 Black Steel Pipe
(.622" I.D. x .840" O.D.)
Thread
Length
Model No.
Price
Thread
Length
Model No.
Price
3/4" NPT
12"
3/4-PTBS-12
$57
1/2" NPT
12"
1/2-PTBS-12
$49
3/4" NPT
18"
3/4-PTBS-18
$84
1/2" NPT
18"
1/2-PTBS-18
$72
3/4" NPT
24"
3/4-PTBS-24
$112
1/2" NPT
24"
1/2-PTBS-24
$95

Nominal 3/4" Schedule 40-304 SS Pipe
(.824" I.D. x 1.050" O.D.)
Nominal 1/2" Schedule 40-304 SS Pipe
(.622" I.D. x .840" O.D.)
Thread
Length
Model No.
Price
Thread
Length
Model No.
Price
3/4" NPT
12"
3/4-PTBS-12
$67
1/2" NPT
12"
1/2-PTBS-12
$58
3/4" NPT
18"
3/4-PTBS-18
$121
1/2" NPT
18"
1/2-PTBS-18
$86
3/4" NPT
24"
3/4-PTBS-24
$135
1/2" NPT
24"
1/2-PTBS-24
$114

Technical Data - Male NPT thread on one end, spun closed on the other end
Material
Max. Continuous Operating Temp.
Mech. Strength
Applications
Remarks
Cold
Hot
304SS
900° C (1650°F)
Excellent
Fair
Food processing, dairy products, petroleum products, mild acids, alkalies
Embrittles in 425°C (800°F) to 760°C (400°F) range.
Black Steel
650°C (1200°F)
Excellent
Good
Molten babbit, tin, lead and Magnesium
Low cost
*Other lengths available, consult Sales Department.
Ordering Example: 3/4"-PTSS-12,
is a 12" long metal protection tube of 304 stainless steel with a 3/4" thread, $61
Mounting Flanges and Bushings with standard N.P.T. thread available upon request. Consult Sales for pricing.

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