Fittings for Multi-Layer Tubing

Product catalog summary

Company and Contact Information

HAKKO Corporation, headquartered in Tokyo, Japan, with a sales office in Osaka and factories in Saitama and Akita, specializes in manufacturing fittings and tubing for various industrial applications. Contact details include email [email protected] and website https://hakko-eightron.com/.

Product Overview

The document details the HAKKO Nut Type Fittings designed for multi-layer tubing, primarily made from SUS316L stainless steel for the fitting body and SUS304 for the nut, ensuring excellent corrosion resistance and compatibility with a wide range of fluids.

Applications

Industrial machines and molding machines piping
Precision machines and semiconductor-related equipment piping
Beverage, cosmetics, pharmaceutical, and alcohol piping
Chemical manufacturing equipment, waste oil, waste fluids, and organic solvents handling

Specifications and Materials

The fitting body is made of SUS316L stainless steel with passivation treatment, and the nut is made of SUS304 stainless steel. This composition provides high corrosion resistance and durability.

Model Numbers and Dimensions

Model Number	Body Length (A) mm	Nut Length (B) mm	Dimension C mm	Dimension D mm	Dimension E mm	Thread	HEX (Nut)	HEX (Body)	Weight (g/piece)
E-FTS-2×4-R1/8	24.5	10	4	10.5	1.7	R1/8	10	10.5	13
E-FTS-3×5-R1/4	30	12	5	13	2.5	R1/4	14	13	26
E-FTS-4×6-R1/4	31	12	5	14	3.5	R1/4	14	14	29
E-FTS-5×7-R1/4	31	12	5	14	3.5	R1/4	14	14	29
E-FTS-6×8-R1/4	33	12	5	16	5.5	R1/4	17	16	32
E-FTS-6×9-R1/4	35.5	12	5	18.5	5.5	R1/4	17	18.5	41
E-FTS-8×12-R3/8	41	13	7	21	7	R3/8	19	21	61

Working Pressure Specifications

The fittings are compatible with various flexible fluorine resin tubing types (ETFE, PVDF, KY TUBE series) with working pressures varying by tubing size and temperature. Typical working pressures range from 0 to 0.6 MPa at 20°C and reduce at elevated temperatures (up to 80°C). Specific pressure limits depend on the tubing and fitting size combination.

Key Features and Recommendations

Excellent corrosion resistance due to SUS316L body with passivation treatment.
Nut type fittings allow for standardization and easy assembly.
Suitable for transferring a wide variety of fluids including chemicals and organic solvents.
Compliance with RoHS2 standards (lead-free).
Users are advised to consult "Precautions for Use" and "Chemical Resistance Data" available on the company website and product catalog before application.

Additional Notes

The brochure is subject to change without prior notice. For inquiries and detailed technical support, contact HAKKO Corporation through the provided contact information.

Catalog excerpts

EIGHTRON URL https://hakko-eightron.com/ CORPORATION Applications • For Pipes such as Industrial Machines and Molding Machines • For Pipes such as Precision Machines and Semiconductor-related Equipment • For Pipes of Beverage, Cosmetics, Pharmaceutical, and Alcohol • Manufacturing Equipment of Chemicals, Waste Oil, Waste Fluids, and Organic Solvents Specification Material Body: SUS316L (Passivation Treatment) Nut : SUS304 Seal Composition Body Nut Model Number Head Office Unity Forum 5F, 42-18, 1-Chome, Itabashi, Itabashi-Ku, Tokyo 173-0004, Japan TEL (81) 3-3963-5381 FAX (81) 3-3961-4400 Osaka Sales Office Akatsuki Building 7F, 13-45, Toyotsu-cho, Suita-shi, Osaka 564-0051, Japan TEL (81) 6-6310-6880 FAX (81) 3-3961-4400 E-mail [email protected] URL https://hakko-eightron.com/

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Characteristics and Functions • Original Fittings for HAKKO Tubing Series • Since it is excellent in corrosion resistance (Body: made of 316L Steel Use Stainless---Passivation Treatment), you can transfer a wide variety of fluids. • Due to the nut type fittings, standardization is possible. EASY CHART for Fittings for Multi-Layer Tubing Model Number *When you use our products, please refer to "Precautions for Use" available on our webpage and product catalog. *In terms of chemical resistance, please refer to "Chemical Resistance Data" available on our webpage and product catalog. /■ \ Contact...

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