Backflow Preventers
Cantidad : 1pc Precio : US $1 - 3,000 / Set
The problem of contaminated water due to backflow is emerging, and the health hazards caused by contaminated water are also alarming to engineers and water equipment suppliers. The problem of backflow water may occur in every place where water is used. We can learn about the harm caused by backflow water from the following two specific cases: A serious backflow problem occurred in Allegheny County, Pittsburgh, Pennsylvania.
A pest control company contaminated the water supply when it used the insecticide to kill termites. The company USES water from garden to mix chlordane and heptachlor in tanker trucks. The end of the hose is immersed in the chemicals, while water in the area are draining.
When the plumber inserted the pipe into the gate valve , the water began to flow out because the discharge point was downstream of the tank car and there was no water backflow preventer installed, which caused the siphon phenomenon, causing the chemicals to be sucked out of the tank car and into the water supply system; The drinking water of a primary school in bowling green, Kentucky, was contaminated with ethylene glycol, a chemical used in an HVAC system, due to the lack of a backflow preventer valve.
When the contractor pumps the drinking water into the geothermal heat pipe, a small amount of ethylene glycol flows back into the drinking water under pressure. The university then issued a notice to ensure the safety of drinking water in the future, staff in the HVAC system installed double check backflow preventer.
Our company has backflow preventer for sale!
ZECO is one of the most professional china check valve manufacturers, and we have been devoted to produce china control valve for many years. If you want to know more details or want a quotation, just feel free to contact us!
Persona a contactar : Zhao Johnson, 86 21 39597277
Buen trato: comprar del vendedor
Por favor, lea nuestras condiciones de uso. También puede visitar nuestras preguntas frecuentes y ver nuestra información sobre los riesgos relacionados con la falsificación.
|
Esta página es acerca de los importadores y exportadores de Backflow Preventers Buscar en la categoria : Varios / Descuento Buscar en la categoria : preventers, backflow |
Sunday 06 October 2013
Cantidad : 1 set - Precio : USD 77,000
Product parameters: Mobile LED Display Truck EW3360-S6-P10 (Complete Vehicle) Chassis Brand Foton Aumak External 5995mm x 2150mm x 3200mm Power Cummins Curb weight 2495KGS Emission standards Euro IV Total Weight 4290KGS Seat Single row 3 seats Wheelbase 3360MM Silence generator...
Shanghai Jingxiang Advertisement Communication Co.,Ltd
- Lillian123
- 201900021 - Shanghai
- 008618001970686
Friday 07 March 2014
Cantidad : la tonne - Precio : 67 et 63 usd FOB cha
Nous proposons directe usine du ciment turk, sac de 50kg chargé sur le bateau à 67 usd la tonne au port de Trabzon. Aussi du ciment iranien à 63 usd la tonne, en sac de 50kg chargé sur le navire. Au port de bandar abbas. Autre produit proposé: de l'Asphalte en contenaire. Provenance d'Iran...
Makendi Worldwide
- 34000 - istanbul
- 06 01 05 42 72
Sunday 06 October 2013
Cantidad : 1 set - Precio : USD125,000
Product parameters: Parameters EW4700-S12-P10 (Complete Vehicle) Chassis Brand Foton Aumak External 8310mm x 2175mm x 3750mm Power Cummins Curb weight 3700KGS Emission standards Euro IV Total Weight 14495KGS Seat One and half row A 1995 Wheelbase 4700mm Hydraulic Lifting...
Shanghai Jingxiang Advertisement Communication Co.,Ltd
- Lillian123
- 201900021 - Shanghai
- 008618001970686



