product focus: greenhouse equipment & components
Heating system separator
The Hamilton System Separator is
designed to allow for an infi nite number
of heating zones and loads with pre-
cise water temperature control, while
maintaining boiler effi ciency through
turbulent fl ow. It functions
as the heating system’s hub,
removing air, separating fl ows
and acting as the primary dirt
Energy screens
and sludge separator. Hamilton
The latest products in the Harmony series feature a closed structure
Engineering. www.hamilton
design that integrates Svensson’s proprietary white strips to go beyond
engineering.com (800) 968-5530.
cooling: sunlight refl ection, plus heat retention in the greenhouse when
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there is no sun or the outdoor temperature drops. All Harmony products
are made from fl ame-retardant materials and meet the highest safety stan-
dards. Ludvig Svensson, Inc.
www.svenssonamericas.com (704) 357-0457.
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Greenhouse covers
Griffolyn Greenhouse Covers
are designed to be lightweight,
durable and cost-effective protec-
tion against snow, harsh winds
and unwanted light transmission.
Griffolyn products are manufac-
tured using a stabilizing additive
that helps to minimize the dete-
riorating effects of the sun. The
patented high-strength cord rein-
forcement grid provides a unique
combination of extreme tear resis-
tance and will not rip, tear or fray. Covers are available for 80, 30
and 0 percent light transmission. Custom fabrication with addi-
tional features such as grommets and zippers is available to meet
Room dividers
specifi c installation needs. Reef Industries. www.reefi ndustries.
Provide space division and privacy with new Electric Roll-Up Room
com (800) 231-6074.
Dividers and Fabric Room Dividers. These new products are ideal for
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greenhouses, nurseries or anywhere room separation is needed. Choose
between white PolyMax 10-ounce fabric or VinylTek insulated 7-Layer
Fabric. Add the exclusive Roll-Up Power Drive Unit Assembly, sold sep-
arately. Growers Supply.
www.growerssupply.com (800) 476-9715.
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Stir fans
A new series of 18-inch stir fans is
now available. They have two guard
options and a single- or variable-speed
Greenhouse fi lm motor option. The standard VS18 and
Sun Master Thermal, a con- VS188 models have wide guard spacing
densation control fi lm, fea- to reduce buildup and cleaning time to
tures three layers co-extruded ensure fans are running at maximum
that’s UV stabilized for up to capacity all year long. To satisfy horti-
four years of fi lm life. Infrared cultural applications, a white powder-
retention fi lm provides excel- coated, OSHA-approved guard is now
lent diffusion. Lumite. www. available for fans that must be mounted
lumiteinc.com (866) 358-6483. below 7 feet. All fans have a mounting
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and swivel. J&D Mfg.
www.jdmfg.com
(800) 998-2398.
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www.gpnmag.com February 2010 GPN 41
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