Page 245 - 4300 Catalog Cover.pdf

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Parker Hannifin Corporation

Tube Fittings Division

Columbus, Ohio

http://www.parker.com/tfd

4300 Catalog

Komatsu

®

Style Adapters

Dimensions and pressures for reference only, subject to change.

Table K1 – Standard Material

Specifications for Komatsu Style Adapters

Note:

On request, Komatsu style fittings can

be furnished in materials other than those

shown above.

Finish:

Zinc with yellow chromate (being

changed to zinc chromium 6 free) is used on

all standard steel products.

Introduction

The30° flare,metric thread interface, also knownas theKomatsu

style flare fitting, is one of the most common specialized OEM

mobile equipment fittings in the marketplace. Parker offers a

line of caps, plugs and conversion adapters to mate with this

specialty connection. Parker’s line of products is designated as

“KA” adapters.

TheKomatsu style connection is generally rated at 4000 psi (280

kg/cm

2

or 27.5Mpa).Parker’s caps, plugs and conversion adapt-

ers are rated at the full pressure rating in sizes 4-16, with slight

pressure reductions in the less common sizes of -20 and -24.

Parker’s offering of Komatsu style adapters allow for more af-

termarket flexibility. Parker’s caps and plugs enable technicians

to protect critical sealing surfaces of hoses and adapters from

damage and contamination. This protection is important during

testing, repair and/or implement installation and removal.

Parker’s line of Komatsu style conversion adapters are ideal

for emergency situations, field repair, or “plumbing in” hydraulic

attachments and options. Parker’s exclusive swivel nut design

minimizes the sealing surface damage to mating components.

Design and Construction

Parker’s lineof Komatsu style fitting is soldonly as ahoseadapter

and thus tube nuts and sleeves are not available. The adapter

consists of a single body.The mating hose swivel mates directly

to the 30° nose of the adapter. This simple, metal-to-metal con-

nection provides a very effective seal between the fitting nose

and the hose swivel seat.

The Komatsu style adapter offers the traditional advantages of

the 37° flare fitting but incorporates the following differences:

1) 30° nose flare

2) Metric threads with 1.5 mm pitch

3) Used only as a hose adapter

4) Heavy duty crimp nut for higher assembly torques

Due to the prevalent field repair needs of mobile equipment

and relative simplicity of the Komatsu style fitting, several

manufacturers offer a similar product line. Even though some

manufacturers conform to the same dimensional standards,

there are significant performance advantages to Parker’s prod-

uct offering due to higher integrity manufacturing methods and

Parker’s commitment to quality.

Fig. K1 – Cutaway of Komatsu Style Adapter

Materials Specifications

Komatsu style components are manufactured using state-of-

the-art equipment and manufacturing technologies to assure

construction integrity, highest strength, long service life and the

highest quality. At the heart of the Komatsu Style product line

is the finest raw materials and manufacturing technologies as

outlined i

n

Table K1

a

nd discussed below:

Komatsu Style Adapter Bodies:

Komatsu style fittings are

manufactured in five configurations. All straight bodies are

manufactured from cold drawn bar stock.

Komatsu Style Crimp Swivel Nuts:

Komatsu style crimp nuts

are machined from cold drawn barstock.

Komatsu Style

Adapters

Steel

Type

Bodies

12L14

Crimp Nuts

1215 or 1018