VALVES

NORDITEC SUPPLIES VALVES FROM EUROPEAN MANUFACTURERS 

Norditec supplies high-quality valves from European manufacturers for a variety of industrial purposes, including wastewater, energy plants, dams, HVAC, waterworks, marine and food industries. Our valves are certified according to EU standard PED 2014/68, DIN DVGW for drinking water and gas and EAC. With 3-A, EHEDG symbol, FDA, and CE certifications, you can be sure that our valves are of high quality and manufactured to the highest standards. Contact us today to find out how our valves can help you with your needs

INDUSTRIES 

– Waste water

– Conventional and renewable energy plants

– Dams and hydropower plants

– HVAC

- Water works

– Marine Industry, ballast water

– Food industry (3-A, EHEDG symbol, FDA, CE)

Certifications: PED 2014/68 / EU, DIN DVGW for drinking water (EPDM) and gas (NBR) acc. to models, EAC

SHUT-OFF VALVES

LUFTVENTILER & TILBEHØR

Non-return valves

CONTROL VALVES

Rotary isolation valves

Isolation or shut-off valves are those designed to interrupt flow in a system by means of a mechanically controlled closing element.

Rotary isolating valves are equipped with a 90º stem turn as full stroke. Open and close movements are fast, they are usually used for currents. 

The operating device is usually a handle. Supplied with electric or mechanical actuator. 

Isolation or shut-off valves

Designed to interrupt the current in a system by means of a mechanically controlled closing element. Linear isolating valves are characterized by the movement of the stem which controls the closing element downwards to close the valve and upwards to open it.

Check valves

The check valves are those that are activated by the pressure of the fluid itself and allow it to pass through and prevent it from returning to the part under pressure when the system pressure ceases. They are one-way valves that open in one direction of flow and close in the opposite direction of flow.

High safety valve - Releases automatically using a spring system

- Opens instantly

- Several models and widely used in industry

- Offers safety valves from ARI

Overpressure in closed containers is a physical phenomenon to be avoided in order to preserve
safety for people and property. Overpressure in a pressurized system can be caused due to three common causes such as blockage of the discharge, excessive heating by an external fire or by
Thermal expansion. The system acts as an automatic pressure release valve activated by the static pressure that exists at the inlet of the valve. The safety valve is characterized by its ability to open instantly and completely.

Thickness class: PN 16 – 40

Materials: Cast iron, ductile iron and stainless steel.

Treated surface ensures tight valve, exceeds requirements According to DIN-3230

90° angle of flow.

Large relief capacity.

Rubber compensator

The rubber compensators are intended for movement in corrosive and/or abrasive applications.

Used, for example, in connection between pump and pipe installation to relieve the pump from pipe stresses, reduce vibrations, compensate for thermal movements in the pipe system.


The compensator Toraflex is made of a rubber material with rotatable steel flanges according to DIN PN10 / 16 to facilitate installation. As an optional extra, the rubber compensator can be supplied with a length limitation.

The air vents are a very important element.

Its task is to handle air, it is necessary to release air in the pipeline filling process and introduce air in case of drainage or negative pressure to avoid pipe collapse. It is also important to release the air pockets that can be produced under pressure during working conditions. The unwanted presence of air involves several problems such as hydraulic transients (which can cause pipe bursts), head loss and reduced flow, energy consumption, corrosion. The air valves are automatic devices, depending on the function, they can be single functions (air release valves), two function valves (air / vacuum valves) which empty air in the filling process and allow the introduction of air in the emptying or three function air valves (combined air valves) which in addition to air- / the vacuum valves include the air release function. Other special functions such as rapid filling prevention or anti-sludge are also important to avoid hammer.

Pressure reducing valve

The CSA model XLC 310/410 is a global pattern hydraulically operated automatic control valve that reduces and stabilizes downstream pressure to a constant value, regardless of variation in demand and upstream pressure conditions.

Applications
-Downstream the pumps to reduce the pressure on the main supply line.
- Derived from the main line to stabilize the pressure of the secondary line and water users.
- A protection against increased pressure from industrial equipment, facilities and civil installations
-On the inlet line to storage tanks to stabilize pressure and flow required for level regulation.

Product features
– Body and cover in ductile cast iron GJS 450-10.
– Internal parts in ductile cast iron GJS 450-10 and stainless steel.
– Position indicator in stainless steel.
– Circuit in stainless steel.
– Unit flow regulator, needle valves and flow stabilizers in stainless steel.
– Seat in stainless steel.
– Paint with fluidbed technology RAL 5005

Standard and connections
- Design and testing according to EN 1074.
– Flange size from DN 50 to DN 400 mm, higher on request.
– Flanges standard EN 1092/2, different on request.

Working conditions
– Pressure range: 10-16-25 bar.
– Minimum working pressure: 0.7 bar acting on the pilot.
– Treated water maximum 70 ° C, higher temperature on request.

Ball valves

Configuration 2/2-way body

The 2-part 2/2-way metal ball valve is operated manually. It has a lockable hand lever with plastic sleeves. The seat seal is made of PTFE.

Type: B20: Ball valve, metal, manually operated, two piece body, lockable hand lever, low maintenance stem seal and blowout proof shaft
DN8 - DN 65
Body/Ball Configuration: D: 2/2-way body
Connection type: 1: Threaded socket DIN ISO 228
Ball valve material: 37: 1.4408 / CF8M (body, connection), 1.4401 / SS316 (ball, shaft)
Sealing material: 5: PTFE
Control function: L: Manually operated, lockable hand leverk

Ball valve, metal, manually operated, two piece body, lockable hand lever, low maintenance stem seal and blowout proof shaft

High flow rates
Low weight
Compact design
Lockable hand lever

GEMU GDR

Pneumatic quarter turn actuator
GEMÜ DR is a pneumatic double-acting quarter turn actuator. It works on the principle of a double piston rod and gear and is suitable for mounting on butterfly valves or ball valves.

Torque: 8- 6300 Nm

ATEX

Ambient temperature: -10 to 60C

Delivery time 2-4 days

GEMU 9428

Motorized quarter turn actuator
The product is a motorized quarter turn actuator. The actuator is designed for DC or AC operating voltages. A manual override and an optical position indicator are integrated as standard. The torque in the end positions is increased. This enables a closing curve adapted to the valves.

Torque: 6-55 Nm

Ambient temperature: -10 to 60C

Delivery time 2-4 days

GEMU 0322

Electrically operated pilot solenoid valve

The directly controlled 3/2-way pilot solenoid valve GEMÜ 0322 is designed for direct mounting or for modular battery mounting using clips. The body is made of plastic. The coil is plastic encased.

Torque: 8- 6300 Nm

ATEX

Ambient temperature: -10 to 60C

Delivery time 2-4 days

The GEMÜ 3030 mFlow flow meter is based on the magnetically inductive measuring principle. It is suitable for electrically conductive media. Operation is carried out using a membrane keyboard located on the front of the body with a backlit display.

DN 25 -300.

Delivery time 2-4 days.

GEMÜ 3021 Current transmitter, turbine

The GEMÜ 3021 is a turbine for measuring volumetric flow. The fascia keys enable easy setting of measurement units, required display values, etc

DN 25 – 50

Delivery time 2-4 days

Information about valves:

– Sluice valves

Used for all applications, the valve is used either fully closed or open, never used as a control valve. When it is fully open, it leads to minimal pressure loss.

Area of use: water, waste water and general neutral liquids. 

– Butterfly valves (butterfly valves)

Has a cone that closes against a set (metallic seal/soft seal). This leads to a narrow run, i.e. large flow loss through valves.

– Shut-off valves

Valves that only have the purpose of shutting off a flow. The valves have a flow direction, but allow the media to flow back. Shut-off valves have a metal or soft-sealing seat

– Non-return valves

Check valves allow the passage of media in one direction only. 

– Pilot-controlled reduction valve with high capacity

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