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Sulfinert ™ -Treated Silcosteel® -Treated
Fitting Type Size qty. cat.# qty. cat.#
Plug Valve
1/8" ea. 21586 ea. 21576
1/4" ea. 21587 ea. 21577
Ball Valve
1/8" ea. 21588 ea. 21578
1/4" ea. 21589 ea. 21579
• 6 • 800-356-1688
We are pleased to introduce Restek’s new
Sulfinert™ -treated and Silcosteel®-treated plug
valves and ball valves with 1/8 " and 1 /4 " fittings. Until
now, the only way to obtain these deactivated parts
was to supply Restek with disassembled valve com-
ponents for custom coating. Now, the newest prod-
uct offerings from our Metals Passivation Group
give you the benefits of these stable, flexible surface
treatments on stock items.
Sulfinert™ -treated or Silcosteel®-treated valves are
logical components in a system that incorporates
Sulfinert™ - or Silcosteel®-treated tubing and fittings.
by Gary Barone, Metals Passivation Marketing Manager
Sulfinert™- & Silcosteel®-Treated
Ball & Plug Valves
Helping Complete the Inert Sample Pathway
✔ No adsorption of active compounds at low ppb concentrations.
✔ Stable, flexible surface deactivation that will not crack or flake.
✔ Commonly used pathway components now available from stock.
Combine deactivated valving with our other stock
deactivated sample pathway components to create
the most inert pathway available.
Our Sulfinert™- or Silcosteel®-treated plug valve is
made by Parker, and is rated for service up to
3000psig at 21ºC. It can be used in environments
having temperatures up to 205ºC.
The Sulfinert ™- or Silcosteel®-treated ball valve also
is a Parker valve. The construction of this valve
allows us to completely coat all sample-wetted steel
components. The Sulfinert™- or Silcosteel®-treated
ball “floats” on dual seats to reduce operating
torque and provide leak-tight bi-directional sealing.
The ball valve is rated for pressures up to 1500psig
at 21ºC.
How do you decide which parts you need? Use
Sulfinert™ -treated valves, fittings, and tubing when
creating pathways for extremely low-level (i.e.,
parts-per-billion) organics. Also, use Sulfinert ™-
treated pathway components when designing a sys-
tem for sulfur-, phosphorus- and/or nitrogen-con-
taining organics. Application areas that benefit from
a Sulfinert™-treated sample pathway include analy-
ses of sulfurs in air, in natural gas, in
ethylene/propylene, or in beverage-grade carbon
dioxide, any flowpath for pesticides or herbicides,
and chemical weapons analyzers.
Silcosteel® treatment continues to be a highly popu-
lar choice for passivating systems and flowpaths
that carry target analytes at parts-per-million levels.
Time-proven Silcosteel® passivation is used to deac-
tivate components in virtually all of today’s leading
sampling systems and instruments.
Price-per-foot by length
ID OD cat.# 5-24 ft. 25-199 ft. 200-399 ft. >400 ft.
0.011" (0.28mm) 0.022" (0.56mm) 22500
0.021" (0.53mm) 0.029" (0.74mm) 22501
0.010" (0.25mm) 1/ 16" (1.59mm) 22502
0.020" (0.51mm) 1/ 16" (1.59mm) 22503
0.030" (0.76mm) 1/ 16" (1.59mm) 22504
0.040" (1.02mm) 1/ 16" (1.59mm) 22505
0.085" (2.16mm) 1/ 8" (3.18mm)* 22506
0.210" (5.33mm) 1/ 4" (6.35mm)* 22507
Ordering Information | Coiled Sulfinert™ -Treated Welded 304 Grade Stainless Steel Tubing
Price-per-foot by length
ID OD cat.# 5-24 ft. 25-199 ft. 200-399 ft. >400 ft.
0.011" (0.28mm) 0.022" (0.56mm) 20590
0.021" (0.53mm) 0.029" (0.74mm) 20591
0.010" (0.25mm) 1/ 16" (1.59mm) 20592
0.020" (0.51mm) 1/ 16" (1.59mm) 20593
0.030" (0.76mm) 1/ 16" (1.59mm) 20594
0.040" (1.02mm) 1/ 16" (1.59mm) 20595
0.085" (2.16mm) 1/ 8" (3.18mm)* 20596
0.210" (5.33mm) 1/ 4" (6.35mm)* 20597
Ordering Information | Coiled Silcosteel®-Treated Welded/Drawn 304 Grade Stainless Steel
Tubing
Ordering Information | Sulfinert™- and Silcosteel ®-Treated Valves
*0.020" wall thickness
for moreinfo
Request the 2003 Product Guide
(lit. cat.# 59473) or visit
for complete
listing of Silcosteel®- and Sulfinert™-
treated fittings.
Paul Silvis, Restek Head Coach
and Founder, Named
Entrepreneur of the Year (2002)
PA Business Central chose Restek’s Head Coach
in the For-Profit, Large Business category.
“Paul’s innovative approach to business and the
results speak for themselves. He created a com-
pany out of nowhere and has been successful
beyond all expectations. Paul epitomizes the
model by which many entrepreneurs should
compare themselves,” said Todd A. Erdley of
Videon Central, one of this year’s contest judges
and a recipient of the newspaper's Entrepreneur
2001 award in the Small Business category.
Congratulations, Paul!