Brass Spring Check Valve Resorte de Cobre Amarillo Válvula de Retención

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10 set
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100 set/month

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Packaging & Delivery

Packaging Detail:packed in standard export packing
Delivery Detail:25~45 days


Brass spring check valve 1/2"~2" 
1)ISO9001 Certificate 
2)quality guaranteed 
3)delivery in time 
4)over 15 years experience

Product details:


2:name:forged brass spring check valve





7:packing:poly bag,inner box,carton or as clients'requirement
8:OEM service offered
9:working temperature:-20~180 degrees

10:normal pressure:1.6MPa

11:suitable medium:water,oil,gas,steam and so on

Check Valve (Check Valve) : according to the structure, can be divided into the lift Check Valve, swing Check Valve and butterfly Valve.Lift check valve can be divided into vertical and straight-through type two kinds.Swing check valves can be divided into single type, more than double disc type and disc type 3 kinds.Butterfly check valve as butterfly double valve, butterfly single, the above several kinds of check valve in the connection form can be divided into the thread connection, flange connection, welding and clamp connection of four.



We have organized several common questions for our clients,may help you sincerely:

①How about your company?

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel,is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

②How to guarantee the quality of the products?

We have established the international advanced quality management system,every link from raw material to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

③How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The pecific time of receiving is related to the state and position of customers.Commonly 7 to 10 working days can be served.


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Q:Furnace blower outlet check valve what
One can be installed to prevent the backflow of high temperature gas in the boiler
Q:Check valve is 150, why not put 150 of the smoke pipe?
DN150 check valve, it is possible that the internal path is less than the required value of 5mm-10mm. Therefore, the 150 outer diameter of the smoke pipe is not up.
Q:Check valve selection
1, do not use ordinary ball check valve, rubber check valve, quick response, but it is not very durable2, vacuum tank3, I think the most benevolent is, get an auxiliary start pump, small kind of, the head is not too high, connect the municipal pipe network, open the main pump before the auxiliary pump irrigation. But the premise is that your main pump is a centrifugal pump
Q:The difference between swing check valve and lift check valve
Swing check valve, swing check the valve to the disc valve seat around the channel axis for rotation, because the valve channel into a streamlined, flow resistance than the small valve lift check, suitable for large caliber occasions in low flow and no flow frequently change, but should not be used for the pulsating flow, the sealing performance is less than lift. Swing check valve is divided into single, double, and most types of three, the three forms mainly by the valve bore points, the purpose is to prevent the media to stop flow or reverse flow, weakening the hydraulic impact.
Q:Are the gate valves and check valves of the same type?
It is a kind of valve opening and closing function (i.e. switch) of the valve, it is on the gate lifting and play the role of the switch, the switch is to be applied by external force (hand wheel, electric, pneumatic and hydraulic) it is not required to;Check valve is a check valve function, is to prevent the media back, it is by the valve on the pin shaft and the rotary switch to play the role of the valve with different things, when it is opened by medium pressure automatic opening, closing time depending on the medium and back type the self gravity valve closed, it is a kind of automatic gate valve function, does not require an external force is applied to it, it is a demand for the direction.
Q:What is the difference between check and check valves? Check and check valves?
3, swing type: liquid in the valve straight through, relying on the pressure to open the side of the rotating valve flap, after the loss of pressure, the valve depends on the weight back, the reverse of the liquid pressure closed valve. Other one-way valves (check valves), such as the sewage check valve, air defense explosion-proof valve and liquid use of the principle of the check valve is very similar
Q:What is the function of the stop valve and check valve installed on the water supply pipe?
The cut-off valve is a common valves, can also be used for throttling, mainly used to connect or disconnect the line of medium, generally not for regulating flows.
Q:Can the check valves fit two in one tube? One up, the other down
A water pipe is used for launching, and the two check valves that you install are reverse, and the water is blocked by one of the check valves on either side
Q:Is it necessary to install a check valve in front of the water meter? Does the water company have a definite requirement?
To install a check valve, or, when the tap water supply, there is water in the pipe will flow back, but the water meter will not reverse, if there is air in the water pipe, this phenomenon continues to cycle, virtually increase the number of water charges
Q:Check valve H41T-16. What are the numbers and letters in it?
H stands for check valves, 4 for flanges, 1 for lift, T for seal, and 16 for pressure

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