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Hinged and double hinge types, and counterweight.
Models with flanges or to mount between flanges according to type.
Valve and stopper in flake-graphite cast iron, in spheroid graphite cast iron, in bronze, in steel or in stainless steel, according to the type and class of pressure.
Face to face spacing meeting most national and international standards and notably: ISO, EN, NF, BS, DIN...
DN 40 / DN 400
Pressure classes: PN 10 - PN 16 - PN 25.
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Protection of drinking water networks against backflow of polluted water : backflow preventers, other protection systems, pressure reducers and water meters.
Water is the most precious of our natural resources. Whatever its destination, domestic, urban, agricultural or industrial, the water we use every day is distributed through an increasingly complex network of interconnected pipelines.
The risk of pollution coming from backflow ( backsiphonage or backpressure) is even greater when the different pipelines networks are closely interconnected.
The choice of a suitable protection system must then be made in relation to the level of risks induced by the fluids being used and transported.
Danfoss Socla is today the only European manufacturer to offer such a vast range of protection devices for every level of risk. Our valves -which ensure complete safety- are presented by descending level of risk.
Danfoss Socla offers also a complete range of pressure reducing valves in order to protect the water network against the risk of overpressure.
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Series 1890/1896M
ASME NB Certifi ed: Air, Steam & Water
Sizes 1/2 X 1 & 3/4 X 1 (1890) and 1/2 X 3/4 & 3/4 X 3/4 (1896M).
Effective orifi ce areas of 0.077 (liquid) and 0.089 (vapor) square inches. Pressures
from 15 to 800 psig for stainless steel (1890) and 15 to 300 psig for bronze
(1896M). Temperature range from -20 F to +750 F (1890) and -450F to +400F
(1896M).
Materials of construction include stainless steel body and trim (1890) and brass
body and trim with bronze bonnet (1896M).
Applications: air, steam, gas, vapor and liquid process applications (1890) and
where service is compatible with brass and bronze (1896M). Also suitable for
cryogenic applications.
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Positive Displacement (PD) pumps should always be installed with a Relief Valve in the discharge line, to protect the pump and piping against any type of line blockage, including the inadvertent closing of an isolation valve. Liquiflo manufactures two sizes of relief valves in both 316 Stainless Steel and Alloy-C.
Ten standard Liquiflo Relief Valve models are available, based on the body material, the port size, and the pressure setting range (see chart below). Models RV1000, RV1001, RV2000 and RV2001 are factory preset to discharge at 100 PSI (7 bar) unless a different pressure setting is requested when ordering; other models are preset to the pressure setting specified when ordering.
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Brass Midi Check Valves
Description:
Series 6 Brass Midi Check Valves are used in general industrial and plumbing applications. They feature a brass body with NPT female threaded end connections and positive back stop. Series 6 has a silent operation with low opening pressure and low pressure drop. It can be installed in a horizontal or vertical position. Maximum Pressure: 200psi (13.8 bar).
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008PCQT: Anti-Siphon, Spill-Resistant Vacuum Breakers
Description:
Series 008PCQT Anti-Siphon, Spill-Resistant, Vacuum Breakers prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage on indoor point-of-use applications. It consists of a bronze body construction, thermoplastic check and float assembly valve, stainless steel springs, tee handles, and a molded diaphragm separating the air inlet from the potable water supply to prevent spillage. Series 008PCQT is ideal for indoor use on machines or equipment in general plumbing applications. Maximum Working Pressure: 150psi (10.34 bar), Minimum Working Pressure: 8psi (55.2 kPa).
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Series 7100
Brass housing
N-model Carbon graphite to tungsten carbide seal
D-model Tungsten carbide to tungsten carbide seal (for applications with poor filtration water, or abrasive fluids)
Recommended medium: water, heat transfer oil, steam
Available sizes: 1/4" - 2"
Max. pressure
water
sizes 1/4" - 1 1/2" 50,0 bar
size 2" 40,0 bar
steam 8,0 bar
heat transfer oil 6,5 bar
Max. temperature
heat transfer oil 200 C
steam 170 C
water 175 C
Max. speed
sizes 1/4" - 3/4" 3500 RPM
size 1" 3000 RPM
sizes 1 1/4" - 1 1/2" 2500 RPM
size 2" 750 RPM
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Couplings for cooling circuits, cold water, hot water, glycol solution, thermal transfer fluids, oils.
Sealing couplings with brass check valve.
Couplings to be used with a straight through or self-sealing fitting.
Clearance diameter for fluid : 6, 9, 12 or 16 mm
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- Stainless steel pipe
- Diameters 22 to 100 mm (3/4'' to 4'')
- Quick connection, easy to install
- Efficient flow, no leaks
- 10 years guarantee
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Style 162 Transition Couplings...
For joining pipe of different diameters
The Dresser Style 162 Transition Coupling permits you to connect two different kinds of pipe or sizes of pipe. You simply select the correct coupling for the pipe diameters being joined. The drawings at right illustrate how gaskets of different cross-sections adjust the coupling to your requirement. Further adjustment is accomplished with reducing middle-ring couplings.
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