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FLEXTECH H40-450 Silicone SAE J20 Hump Hose Coupler - Silicone SAE J20 Hump Hose Couplers for Heater Hoses
FLEXTECHSilicone SAE J20 Hump Hose Couplers for Heater Hoses

FLEXTECH H40-450 Silicone SAE J20 Hump Hose Coupler

The FLEXTECH Hump Hose is a Silicone SAE J20 Hump Hose Coupler for Heater Hoses with a 4 1/2 in inside diameter and 3 in length. This blue hose features silicone tube and cover materials, with a temperature range of…

SKU 3G-OTH-453705

Also listed as: H40450 · H40 450

Brand
FLEXTECH
Item
H40-450 Silicone SAE J20 Hump Hose Coupler
Part Number
H40-450
Category
Silicone SAE J20 Hump Hose Couplers for Heater Hoses
Available to Order
Also known as:H40-450FLEXTECH
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

FLEXTECH
Manufacturer Part Number
H40-450
Type
Blue, Silicone, Silicone
Hose Lg
3 in
Hose Color
Blue
Temp. Range
-65° to 350°F
Hose Tube Material
Silicone
Hose Cover Material
Silicone

Technical Documents

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FLEXTECH Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The FLEXTECH Hump Hose is a Silicone SAE J20 Hump Hose Coupler for Heater Hoses with a 4 1/2 in inside diameter and 3 in length. This blue hose features silicone tube and cover materials, with a temperature range of -65° to 350°F. It is identified by manufacturer part number H40-450.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a FLEXTECH Hump Hose used for?

A FLEXTECH Hump Hose is a silicone SAE J20 coupler designed to connect heater hoses in industrial heating systems. It absorbs vibration and misalignment in coolant and hot-air lines, making it essential for HVAC, process heating, and engine applications where flexible, heat-resistant connections are required.

What are the specifications of the FLEXTECH Hump Hose H40-450?

The FLEXTECH Hump Hose H40-450 has a 4 1/2 in inside diameter and 3 in length. It is made of blue silicone tube and cover materials, with a temperature range of -65° to 350°F. This SAE J20 rated hose is suitable for heater hose coupling in demanding thermal environments.

Where to buy FLEXTECH Hump Hose worldwide?

3G Electric supplies the FLEXTECH Hump Hose H40-450 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this silicone SAE J20 hump hose coupler.

How to install a FLEXTECH Hump Hose?

To install a FLEXTECH Hump Hose, ensure the hose ends and mating pipes are clean and dry. Slide the hose over the pipe ends, centering the hump. Use constant-torque clamps on each side, tightening evenly to avoid leaks. Do not overtighten, as silicone can compress. Verify alignment before final clamping.

Used in

Common applications for FLEXTECH
Industrial burner systems — FLEXTECH silicone heater hoses for coolant circulation in preheat loops
Turbocharged diesel engines — FLEXTECH charge air cooler hoses for intake air routing
HVAC equipment — FLEXTECH vacuum hoses for pneumatic control lines
Marine engine cooling — FLEXTECH SAE J20R3 heater hoses for raw water and closed-loop systems
Generator sets — FLEXTECH 45° elbow hoses for coolant line routing in confined spaces
Compressed air systems — FLEXTECH silicone hoses for high-temperature air transfer
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FLEXTECH Products

3G Electric supplies FLEXTECH silicone sae j20 hump hose couplers for heater hoses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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