Preguntas frecuentes

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Aquí se recopilan las preguntas más comunes que recibimos de nuestros clientes, así como sus correspondientes respuestas, sobre nuestras válvulas industriales y nuestros servicios.


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Preguntas Frecuentes



We are private enterprise.

There are 220 employees in our company.

The area of our company and factory is 20000 square meters.

Our company has 5 production lines with a capacity of 8,000 tons.

Our company’s annual output value is more than 32 million.

The MOQ of products in our company is 1 piece.

The sample is free of charge, the sample fee and freight are borne by our customer.



Our company’s products are butterfly valves,ball valves,gate valves,check valves,globe valves,plug valves and actuated valves.

The size and pressure of valves is as following:
1) Ball Valve:1/2″”-48″”(DN15-DN1200 ) Class 125-2500#(PN6-PN420)
2) Butterfly Valve: 2″”-128″”(DN50-DN3200 ) Class 125-1500#(PN6-PN250)

3) Gate Valve: 1/2″”-60″”(DN15-DN1500 ) Class 125-2500#(PN6-PN420)              

4) Globe Valve: 1/2″”-24″”(DN15-DN600 ) Class 125-2500#(PN6-PN420)                   
5) Check Valve: 1/2″”-28″”(DN15-DN700 ) Class 125-2500#(PN6-PN420)                  

6) Plug Valve: 1/2″”-24″”(DN15-DN600 ) Class 125-2500#(PN6-PN420)                   
7) Actuated Valve: 1/2″”-60″”(DN15-DN1500 ) Class 125-2500#(PN6-PN420)

The connection method of valves includes RF,RTJ,NPT,SW,BW,FF,HUB.

The material of valves includes Carbon Steel,Stainless Steel, Super Duplex Stainless Steel,Cr-Mo Steel,Alloy steel,Bronze,Ti Alloy,Monel, Hastelloy Alloy.

The operation mode of valve includes handwheel, handle, worm gear, electric, pneumatic, hydraulic, pneumatic, hydraulic and electro-hydraulic

The application of valves includes Refining & Petrochemical,Chemical Processing,Coal Chemical,Power Generation,LNG,Pipeline Transport.

We have a large stock of our products, including gate valve, globe valve, check valve, ball valve, butterfly valve and plug valve,with carbon steel and stainless steel in material also 1 / 2 “- 16” in diameter.



The warranty period of our company’s products is 24 months after the valve leaves the factory or 18 months after the valve is installed on the pipeline. Whichever comes first shall prevail.

If it’s a product quality problem of our company, we can communicate by email or webcam discussion to solve it. If it can’t be solved, we will replace the valve for free. If it is the quality accident caused by the customer’s personel illegal operation, we are not responsible.

If conditions permit, we normally arrive on-site within 24 hours. If not,the duration to solve the problem will depend on the difficulty of the actual problem and we normally provide solutions within 48 hours.



The company stipulates that the quotation of the same day shall be processed on the same day, including price, drawing, weight and volume, no more than two days at most

The company provides 10% spare parts for each order free of charge

The samples can be shipped in a week. The normal production of products generally takes 45-50 days, except for special materials and customization. It can be shipped within 7-10 days if in stock.

Dombor is a very professional valve manufacturer. There are many uncertain factors in the price of the valve, such as diameter, material, pressure, connection mode and operation mode. Therefore, the quotation should be made according to the detailed parameters of customers, so as to meet the requirements of customers and better serve customers

1) Choose the right product according to the customer’s parameters
2) Quotation and drawing confirmation according to the selected products
3) Order confirmation
4) 30% deposit for production
5) Carry out production and provide production cycle progress report
6) Inform the customer that the goods are ready and the customer arranges the balance
7) Deliver the goods to the customer’s forwarder and arrange the transportation.
8) Provide the documents required in the order and send the process report of the whole order to the customer.
9) After sales service.



1) L/C at sight
2) Telegraphic transfer (less than 2000 USD, 100% paid before delivery; equal or more than 2000 USD, 30% deposit, 70% paid before delivery)



The products deliver method includes air, sea, express and train.

The products will be packed in fumigated wooden cases or plywood, and the samples will be packed in cartons

We can use the customer designated freight forwarder. If not, we can recommend the forwarder or directly use the forwarder we have cooperated with for a long time.


La estrategia más económica es elegir las fiables válvulas DomBor.

DomBor Valve, con sus experimentados especialistas, se especializa en la fabricación de válvulas industriales y proporciona soporte técnico y soluciones de ventanilla única para el mercado global.