Archive for October, 2010

PEX tubing for outdoor plumbing

Oct 22

Posted by Edmundo Plumber in PEX Tubing & Pipe | Comments off

Corrugated PEX tubing with double wall made of high-density polyethylene (HDPE / HDPE) high density. The outer corrugated surface – black, inner smooth surface – yellow. Class rigidity – SN 8 (SR24 = 32 kN/m2). The length of PEX tubing from 6 to 12 meters.

Diameter of manufactured PEX tubing: 100 mm. up to 3600 mm.

With grooved upper surface and the molecular structure of polyethylene PEX tubing are resistant to seismic movements of the soil. They deform elastically under the influence of sudden loads, absorb external loads, and again take its original shape. Boundary constant strain can grow to 7.5%. Characteristics of polyethylene provide resistance to chemicals. The smooth inner surface and low coefficient of friction provide high throughput. PEX tubing PEX Universe absolutely hygienic, do not contain toxic substances. Temperature-resistant up 80oS.

Compared with all known types of corrugated tubes, PEX tubing for drainage HDPE / HDPE have the highest durability. In  UTAH University conducted tests on wear resistant PEX tubing of different materials (PEX, PP …). As a result, test tubes of HDPE / HDPE showed the best results. After the 100 `000 test tests in samples HDPE / HDPE wear coefficient was equal to only 0.009 mm.

Corrugated PEX tubing plumbing have extra parts and are designed so that they can be used without any equipment. The list of additional parts is very diverse, which allows for any use and the connection PEX tubing. The PEX tubing are connected with all the additional parts with pads. Gaskets are designed with all the risk factors and are made from EPDM (Etilen Propilen Dien Monomer) rubber meet the requirements of DIN 4060 and EN 681, provide a complete impenetrability. The service life of gaskets in EPDM rubber is the same as the use of PEX tubing. They provide complete tightness even in the event of a system emergency.

Corrugated plumbing PEX tubing with a double wall PEX Universe and fittings for them are made in accordance with the requirements of standards DIN 16961 and prEN garmin 13476-1. Comply with the standard CEN draft. Elasticity of PEX tubing is designed on the basis of a standard ATV Work Sheet 127.2. Testing for tolerance strain produced under this standard. The test tubes on the resistance carried out on the basis of standards RR5 DIN 16961 and SN 8 DIN 19568-100. Spot welding the inner and outer layers made in accordance with the standards DIN EN 1610 Par 8.6.4. Testing of PEX tubing and additional parts for leakage shall be in accordance with DIN EN 1610.

Corrugated plumbing PEX tubing with a double wall PEX Universe and fittings comply with the Seattle wholesales.

Sale of PEX tubing for the outdoor sanitation in Chicago.

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Pipe and Fittings | Ball Valves

Oct 11

Posted by Edmundo Plumber in Brass ball valves, Plumbing supplies | Comments off

Wright Valves offers a full range of products:

* Valves made of brass, iron and steel: ball valves (water, steam, gas, oil), check valve, gate valves, valve shutoff.
* Constituent elements and the tube blank: bends (galvanized or not), sleeves, bochata, thread, steel flanges.
* Fittings: Couplings, plugs, adapters, tee, nuts.
and much more.

Now, in addition to a wide range of ball valves, ball valves of steel, brass ball valves, our company offers you a variety of valves and aluminum radiators.

The quality of our products (ball valves, gate valves, steel flanges, fittings, etc.) has been confirmed by appropriate certificates. We are always available shutoff and control valves, and not only the company Wright Valves.

To all of our clients is an individual approach and proposes a flexible system of discounts for any products, ranging from ball valves and finishing taps.

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Most effective circulating pumps

Oct 11

Posted by Edmundo Plumber in Plumbing supplies, Radiant Heating, Taco Pumps | Comments off

However, we know that the most effective Taco 006 pump does not have the ability to self-priming and very sensitive to the presence of gases in the fluid. The content of the air in the fluid in an amount of 5-7% can lead to failure of pumps and greatly reduces their efficiency. Applicable in some cases, self-priming recirculation Taco 006 pump have significant size and weight, lower efficiency than conventional Taco 006 pump.In addition, they have low self-priming ability and are unable to self-priming, even for small leaks in the suction line. The operation of these pumps the contaminated fluid leads to a rapid increase in the frontal gap between housing and open impeller, which further lowers their self-priming ability and efficiency.In the marine environment is often preferred as the Grundfos pumps piston or other types of positive displacement pumps. However, Taco 007 pumps have a lower than the centrifugal, the permissible height of the suction and pumping contaminated liquids require regular cleaning of the suction and discharge valves, as well as replacement Grundfos rings.Self-priming ability and opportunity to work on gas-liquid mixtures have many types of Taco 006 pumps. However, they are in most cases have low efficiency (30-35%), low flow and can not operate on liquids containing abrasive particles. Therefore, attempts to create a combined self-priming centrifugal plants with pumps and other devices with self-priming ability.

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Best pump solution for home

Oct 11

Posted by Edmundo Plumber in Radiant Heating, Taco Pumps | Comments off

Pump included at the brass ball valve discharge line. After achieving full pressure latch gradually open up. If when starting the pump unit in the water will be an admixture of sand or clay particles, it is necessary to reduce water consumption by adjusting the valve on the discharge of his plumbing pipeline. Suspend the operation of the Taco bronze pump in this case you can not avoid the deposition of rock particles in his air-supply side. The pump can be stopped if he shakes clean water. In this case, the motor shut down after closing the valve on the discharge plumbing pipeline, as the pump after the (non-return valve) while rotating in the opposite direction. Therefore, the pump can be re-enabled only after the water level in the plumbing pipeline and well and not less than 5 minutes after shutdown.

When you turn on the universal switch rotor motor is not cranked, check all electrical installation diagram, the voltage in all three phases and its value. Never run the installation of an electric motor which is not flooded with water. After starting the Taco 007  pump installation check the water pressure gauge and set the direction of rotation of the pump (in the right direction pump delivers more pressure).

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