The Plug and Play Hose
system consists of Parflex 515H
hose and the Parker RA (Rapid Assembly) quick connecting hose fittings and
adapters. Parflex 515H hose is a light weight, fiber reinforced, low pressure
thermoplastic hose that has great kink resistance. Typically, a Â¼ inch 515H
hose has a 20 percent smaller diameter than a standard 100R1 hose and a 25
percent tighter bend radius. It is also 5 times lighter than comparable hoses.
The brass RA quick connect fittings offer plug and
play convenience in a very compact, anti-corrosive and economical system. The
connector design is simple, durable and easy to install, eliminating the need
for wrenches or other tools. However, the RA series fittings are not live swivels and care should be
taken to insure that relative movement between the adapter and the hose fitting
is eliminated. Sealing is achieved through the use of petroleum
and synthetic hydraulic oil resistant elastomeric o-rings.
Parflex 515H hose is useful
for routing through tight spaces while maintaining the flexibility of a more
robust hose and is often used in pilot lines or joy stick applications where
multiple hoses are required to fit into a tight space. Sizes range from 3/16
I.D. up to Â½ inch I.D. in a single or multi-line assembly.
An in-depth survey of 700 current and future users of 3D printing holds few surprises, but results emphasize some major trends already in progress. Two standouts are the big growth in end-use parts and metal additive manufacturing (AM) most respondents expect.
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