Flange Swing Check Valve for Water, Oil, Gas

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Product Description:

Quick Details of Flange Swing Check Valve

Standard or Nonstandard:





Medium Pressure




WCB WC6,WC9, Brass, Stainless Steel

Temperature of Media:

Medium Temperature


Water, Oil, Gas

Port Size:


Place of Origin:

China (Mainland)

Model Number:


Brand Name:





Packaging & Delivery of Flange Swing Check Valve

Packaging Detail:

Wooden boxes

Delivery Detail:

One Month


Specifications of Flange Swing Check Valve

Certificate: DNV ISO9001 AZ CE,TS

Material: WCB WC6, WC9, Brass, Stainless Steel

Swing check valve is the class-1 supplier of CNOOC, Sinopec CNPC and CAO

- Type: Swing Check Valve


Usage of Flange Swing Check Valve


Various modes of the pipeline, prevent the medium backflow

- Products Design Features: Flanged & Butt-welding ends swing check valves are used in pipes under pressures between PN 1.6-16.0MPa,Class 150-900Lb,working temperatures between -29-570 °C, They are used in industries include oil, chemistry, pharmaceutical, fertilizer, and power generation to prevent the backward flux of the media.

- Method: Handle operation, electric.

- Raw Material: WCB, WC6




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Q:Where can I find the good check valve?
Crown valve pressIt depends on what type of check valve you need
Q:What are the ten major brands of copper check valves?
I knew that:1, Amico2, Jie Kelong3 crown4, good day5, KITZ
Q:What is the difference between check and check valves? Check and check valves?
Check valve. Check valve is the same, but the name is not the same. According to the customary name of the country. In fact, the same valve. Are check valvesCheck valves are widely used and there are many kinds of check valves. The following are common water supply and heat check valves:1, spring: the liquid from the bottom up, rely on the pressure spring controlled valve, the pressure disappears, the spring force the valve, sealing liquid backflow. Often used in the smaller diameter check valve.
Q:Install check valve is not afraid of water, in case the back of the water pollution?
Install check valve is to prevent water in case of backflow, polluting water sources.A check valve or backflow preventer may be installed on the tap water supply pipe, which is not harmful to the system.Backflow prevention device according to tap water supply equipment, especially drinking water pipe back to serious pollution, and effectively prevent the pollution device under the condition of a strictly limited hydraulic control assembly pipeline water only one-way flow of development, its function is to prevent backflow pipeline media in any condition, in order to avoid the purpose of backflow pollution. The backflow preventer consists of low pressure backflow prevention device and vacuum type backflow prevention device two, according to the national standard of low pressure backflow prevention device of head loss is less than 3 meters, decompression type backflow prevention device of head loss is less than 7 meters.
Q:What does the check valve "H44Y-160" mean?
H check valve, 4 flange connection, 4 spiral structure, Y sealing hardfacing alloy. 160 nominal pressure 16MPa
Q:What does the swing check valve "h44h-16" mean?
H44h-16 is the type of swing check valve, respectively: H check valve, 4 flange, 4 swing type H alloy steel, sealing 16 kg pressure
Q:What does the check valve "H41F" mean?
A check valve is a device for carrying a check valve on a pipe, or a gas will not return
Q:What kind of check valve is used in the sewage pump of sewage treatment plant?
2. installation of pump outlet check valve*Swing check valves are generally mounted on horizontal pipes: for bore DN~80mm check valves, they can also be mounted on vertical or upward sloping pipes.*Straight through lift check valves shall be installed on horizontal pipes; vertical lift check valves must be mounted on vertical pipes and medium upward flow.*As the check valve is easy to damage, therefore, should be installed near the pump outlet valve, in the upper part of the check valve with a cut-off valve (general use of ball valve or gate valve), easy to overhaul.*To facilitate the relief of the check valve before disassembly, the relief valve shall be installed between the check valve and the shut-off valve.
Q:How much is the check valve for the concrete pump?
31 concrete pump price ranging from 15W to 60W, different configurations have different prices, which one do you want?
Q:Detailed distinction between backflow preventer and check valve
The backflow preventer consists of two separated check valves and a drain valve. Due to the local head loss of the check valve, the pressure in the middle cavity is always lower than the pressure at the inlet. This pressure difference causes the drain valve to be closed and the pipe is in normal water supply. In abnormal pressure (i.e., the outlet pressure is higher than that of the middle cavity), even if the two check valve can not reverse sealing, safety relief valve can automatically open the reverse water emptying, and the formation of air separation, ensure the health and safety of water upstream.
LQ,was founded in 1997. We specialize in producing brass ball valve, stop valve , check valves, gate valves, angle valves, bibcocks, sprayer fittings and all kinds of pipe fittings. Our products sell well in Europe, North and South America, Africa and the Middle East and Southeast Asia .

1. Manufacturer Overview

Location Shanghai, China
Year Established 1997
Annual Output Value Above US$ 0.5 Million
Main Markets Europe, North and South America, Africa and
the Middle East and Southeast Asia .
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Shanghai
Export Percentage 40%
No.of Employees in Trade Department 100People
Language Spoken: English; Chinese; Spain; Alabic
b)Factory Information  
Factory Size: Above 6,000 square meters
No. of Production Lines 4
Contract Manufacturing OEM Service Offered; Design Service Offered
Product Price Range Average