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Part Number: CTF-112

HPS Performance 304 Stainless Steel Constant Tension Hose Clamp

5 (3 reviews)
Constant Tension Clamps (Stainless Steel)
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Over 100 in stock.

Pickup available at HPS Performance
Monday - Friday, 8:30AM - 4:30PM PST

Usually ready in 24 hours

Product Highlights
- Size #10, Effective Range: 9/16" - 1-1/16" (14mm-27mm)
- The spring-loaded mechanism automatically adjusts tension to compensate for expansion and contraction caused by temperature variations or pressure fluctuations.
- Maintains consistent and evenly distributed clamping force, minimizing the risk of leaks and ensuring a reliable seal.
- Suitable for various hose sizes and types, including rubber, silicone, and thermoplastic hoses, making them versatile for a wide range of applications.
- Band is constructed from 304 stainless steel to withstand the rigors of continuous use, providing long-lasting performance and reliability.
- Rolled edges and smooth one piece liner prevents damage to soft hoses.

Features and Benefits
HPS Constant Tension Clamps Size #10 with Effective Range 9/16" - 1-1/16" (14mm-27mm) are designed to accommodate fluctuations in temperature and pressure. These constant torque clamps feature a series of Belleville spring washers that automatically adjust the clamping force to maintain a consistent tension on the hose, preventing leaks, slippage, and damage over time. With the band made from 304 stainless steel and the springs and screw made from 410 stainless steel, these hose clamps are resistant to corrosion and can withstand harsh environmental conditions. They are widely used in automotive, industrial, and plumbing applications where reliable hose connections are essential.

Constant tension clamps have a wide variety of applications due to their unique ability to automatically adjust to changing conditions. Here's a breakdown of their common uses:
Automotive
Radiator and Heater Hoses - They provide a secure seal even with temperature fluctuations in the engine's cooling system.
Turbocharger Hoses - Maintain a strong seal under the pressure and heat variations in turbocharged engines.
Fuel Lines - Ensure a leak-free connection in fuel systems.

Industrial
Pump and Filtration Systems - Offer consistent pressure in lines subject to temperature changes.
Hydraulic and Pneumatic Systems - Prevent leaks in systems with fluctuating pressures and vibrations.
Machinery and Equipment - Secure hoses on machinery that experience vibrations and temperature variations.

Other Applications
Marine - Used on boat engines and other marine systems exposed to water and harsh weather.
Appliances - Found in dishwashers, washing machines, and other appliances with fluctuating water temperatures.
HVAC Systems - Provide reliable seals in air ducts and ventilation systems.

Technical Specification
- Part Number: CTF-112
- Size #10
- Band: 304 Stainless Steel
- Springs and Screw: 410 Stainless Steel
- Band width: 14.2mm (9/16")
- Head size: 5/16"
- Effective Diameter Range: 9/16" - 1-1/16" (14mm-27mm).
- Recommended torque spec: 45 in lbs.
- Recommend to use on HPS hoses with an inside diameter of 1/2" (13mm)

Size Chart

Size # HPS SKU Effective Diameter Range Fits HPS Hoses
with INSIDE Diameter
10 CTF-112 9/16" - 1-1/16" (14mm - 27mm) 1/2"
12 CTF-125 11/16" - 1-1/4" (17mm - 32mm) 5/8", 3/4"
16 CTF-150 3/4" - 1-1/2" (19mm - 38mm) 7/8"
20 CTF-175 13/16" - 1-3/4" (21mm - 44mm) 1", 1-1/8"
24 CTF-200 1-1/16" - 2" (27mm - 51mm) 1-1/4", 1-3/8"
28 CTF-225 1-5/16" - 2-1/4" (33mm - 57mm) 1-1/2", 1-5/8"
32 CTF-250 1-9/16" - 2-1/2" (40mm - 64mm) 1-3/4". 1-7/8"
36 CTF-275 1-13/16" - 2-3/4" (46mm - 70mm) 2", 2-1/8"
40 CTF-300 2-1/16" - 3" (52mm - 76mm) 2-1/4", 2-3/8"
44 CTF-325 2-5/16" - 3-1/4" (59mm - 83mm) 2-1/2", 2-9/16", 2-11/16"
48 CTF-350 2-9/16" - 3-1/2" (65mm - 89mm) 2-3/4"
52 CTF-375 2-13/16" - 3-3/4" (71mm - 95mm) 3", 3-1/8"
412 CTHD-412 3-1/4" - 4-1/8" (83mm - 105mm) 3-1/4"
450 CTHD-450 3-9/16" - 4-1/2" (90mm - 114mm) 3-1/2", 3-3/4"
462 CTHD-462 3-3/4" - 4-5/8" (95mm - 117mm) 4", 4-1/8"
512 CTHD-512 4-1/4" - 5-1/8" (108mm - 130mm) 4-1/4", 4-5/16", 4-1/2"
562 CTHD-562 4-3/4" - 5-5/8" (121mm - 143mm) 5"
612 CTHD-612 5-1/4" - 6-1/8" (133mm - 156mm) 5-1/2"
662 CTHD-662 5-3/4" - 6-5/8" (146mm - 168mm) 6"
712 CTHD-712 6-1/4" - 7-1/8" (159mm - 181mm) 6-1/2"
Size # HPS SKU Effective Diameter Range
10 CTF-112 9/16" - 1-1/16" (14mm - 27mm)
12 CTF-125 11/16" - 1-1/4" (17mm - 32mm)
16 CTF-150 3/4" - 1-1/2" (19mm - 38mm)
20 CTF-175 13/16" - 1-3/4" (21mm - 44mm)
24 CTF-200 1-1/16" - 2" (27mm - 51mm)
28 CTF-225 1-5/16" - 2-1/4" (33mm - 57mm)
32 CTF-250 1-9/16" - 2-1/2" (40mm - 64mm)
36 CTF-275 1-13/16" - 2-3/4" (46mm - 70mm)
40 CTF-300 2-1/16" - 3" (52mm - 76mm)
44 CTF-325 2-5/16" - 3-1/4" (59mm - 83mm)
48 CTF-350 2-9/16" - 3-1/2" (65mm - 89mm)
52 CTF-375 2-13/16" - 3-3/4" (71mm - 95mm)
412 CTHD-412 3-1/4" - 4-1/8" (83mm - 105mm)
450 CTHD-450 3-9/16" - 4-1/2" (90mm - 114mm)
462 CTHD-462 3-3/4" - 4-5/8" (95mm - 117mm)
512 CTHD-512 4-1/4" - 5-1/8" (108mm - 130mm)
562 CTHD-562 4-3/4" - 5-5/8" (121mm - 143mm)
612 CTHD-612 5-1/4" - 6-1/8" (133mm - 156mm)
662 CTHD-662 5-3/4" - 6-5/8" (146mm - 168mm)
712 CTHD-712 6-1/4" - 7-1/8" (159mm - 181mm)
5 (3 reviews)
H
12-30-2024
Verified buyer
1st of all customer service was outstanding. I was helped by a female and male employees and both went out of their way to help me find what I was looking for. As for the product itself, the fit was excellent and my intake hose has not slipped off the throttle body under boost...
D
12-09-2024
Verified buyer
I ordered 5ft of silicone 16mm hose and 8 constant tension clamps for the water coolant lines on my Rotax airplane engine. I needed these parts quickly so I picked them up at there Irwindale factory will call. The offer was ready next day and waiting at the counter when I arrived . The woman sales rep at the counter answered a few questions I had and suggested that the clamps I ordered were one size to large for the hose. She was right . I have now installed them on the engine and there are no leaks. These hoses are much better than the factory rubber hoses and probably will never need replacement. Great product and great service.
C
10-20-2024
Verified buyer
Great quality product, just what I needed to replace old clams for my car’s filler neck
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