valco fittings
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Valco Instruments Co. Inc. Sales:
800–367–8424
Fax: 713–688–8106
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11
External Nuts, Plugs, and Caps
External nuts – stainless steel
External nuts are used with external fittings, such as our column end fittings
(ECEF series) and external unions (EZU and EZRU series). They may also be used
with Valco ferrules on Parker CPI and Swagelok type fittings. Standard material is
300 series stainless.
* PTFE-coated threads standard.
Stainless nuts
Description
Prod No Price
1/32”external nut
EN.5
1/32”external nut, knurled
EN.5KN
1/16" external nut
EN1
1/8" external nut
EN2
1/4" external nut
EN4 *
3/8" external nut
EN6 *
1/2" external nut
EN8 *
1" external nut
EN1K *
Plugs – stainless steel and high pressure
Stainless plugs consist of a zero volume nut with a ferrule made up on a solid
rod. For high pressure applications such as UHPLC, SFE, and SFC (>7000 psi), we
recommend the special high pressure plugs with the ferrule and rod machined
as a single, solid piece.
High pressure
Stainless plugs
Stainless plugs
Description Length of nut*
Prod No Price
Prod No Price
1/32"
.30"
ZP.5
ZP.5H
1/16"
.43"
ZP1
ZP1H
1/16"
.75"
LZP1
LZP1H
1/8"
.57"
ZP2
ZP2H
1/8"
.82"
LZP2
LZP2H
1/4"
.70"
ZP4
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more information
PEEK plugs . pages 64, 71
PEEK plugs for high
pressure Cheminert
valves . . . . . . . . 64
PEEK caps . . . . . 57, 64
Caps – stainless steel
A cap is essentially a piece of hex stock with a zero volume fitting detail
machined into it, but with no through-hole.
Stainless caps
Description Length of nut*
Prod No Price
1/32"
.30"
ZC.5
1/16"
.43"
ZC1
1/8"
.57"
ZC2
1/4"
.70"
ZC4
CHROMalytic TECHnology Pty Ltd AUSTRALIAN Distributors e-mail:
Tel: 03 9762 2034
