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valco valves
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Valco Instruments Co. Inc. Sales:
800–367–8424
Fax: 713–688–8106
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97
Materials of Construction
special body material—
codes and prices
Two PositionValves
Body material
Code
1/32" and
1/16" and
1/4" fittings
1/8" fittings
HPLC grade
Stainless steel
SS
Standard
Standard
Hastelloy C-22
HC
Inconel 600
IN
Monel 400
M4
Nickel
NI
Nitronic 50
N5
Titanium *
TI
* Not available for WT, UWT, or T series valves (high temperature)
due to material temperature limit.
MultipositionValves
1/16" and 1/8" fittings
1/4" fittings
Body material
Code
SC and SD
SF and ST
SD, SC, SF
flowpaths
flowpaths
flowpaths
HPLC grade
Stainless steel
SS
Standard,
Standard,
Standard
most
most
versions
versions
Hastelloy C-22
HC
Inconel 600
IN
Monel 400
M4
Nickel
NI
Nitronic 50
N5
Titanium *
TI
* Not available for WT, UWT, or T series valves (high temperature)
due to material temperature limit.
Specifying a Special Body
Material
To specify a special valve body
material, add the material code to
the end of the valve product number,
and add the amount listed in charts
opposite to the base price.
Example:
An A4C6WE (air actuated 1/16" 6 port
WE valve with a 4" standoff ) made of
Hastelloy C-22 would be designated
A4C6WEHC.
The cost is $830 + $170 = $1000.
Due to design requirements, several
special grades of stainless steel may
be used where “HPLC grade” is noted.
The specific types include Nitronic
60, Type 316 stainless steel, and Type
316L stainless steel. VICI will select
the material to be used based on
availability and quality. HPLC grade
stainless is the standard material for
all Valco two position valves and high
pressure multiposition valves.
more information
Materials
Metals . . . pp 254-255
Polymers . . . . . . 256
Valve rotors . . . . 257
The standard valve body material is Nitronic 60, a gall-resistant stainless steel
which has proven superior to Type 316 or 303 in the majority of applications.
Valves may also be ordered in Hastelloy C-22, Inconel 600, Type 316 stainless,
Monel 400, Nickel 200, Nitronic 50, or Titanium.
Medium temperature GC valves
have a rotor made of Valcon E, a
polyaryletherketone/PTFE composite.
The high temperature versions use a
polyimide/PTFE/carbon composite
designated Valcon T. Valcon H,
a carbon-fiber-reinforced, PTFE-
lubricated inert polymer, is standard
in HPLC valves.
Appropriate fittings are supplied with
all valves. Valves rated at 1000 psi or
less have Type 303 stainless ferrules;
those rated above 1000 psi have Type
316 stainless ferrules. A valve ordered
with an optional body material is
supplied with ferrules of the same
material as the body, with Type 316
stainless nuts.
CHROMalytic TECHnology Pty Ltd AUSTRALIAN Distributors e-mail: sales@chromtech.net.au Tel: 03 9762 2034