Audited Supplier
Cast steel Swing Check Valve
19с53нж 19с76нж flanged steel swing check valve . 19с53нж and 19с76нж is used to automatically prevent the reverse flow of media in pipelines for water, steam, natural gas and other liquid and gaseous media that are neutral to valve body materials. The check valve is manufactured in the following nominal diameters: DN50, DN80, DN100, DN150, DN200
Main parts Material
Body, bonnet,: Cast steel
Disc: Cast steel
| Specification |
| Suitable medium: water, oil, steam |
| Working temperature: ≤425ºC |
| Nominal pressure: PN16/25/40 |
| Main Parts material |
| Body, bonnet: steel WCB |
| disc ,stem:WCB |
| seal:stainless steel |
MAIN DIMENSIONS, mm
| DN | PN | L mm | D mm | D1 mm | D2 mm | z-d | b-h | H | Weight | |
| 50 | 16 | 230 | 160 | 125 | 100 | 4-18 | 16-3 | 132 | 8 | |
| 80 | 16 | 310 | 195 | 160 | 129 | 8-18 | 20-3 | 164 | 13.5 | |
| 100 | 16 | 350 | 215 | 180 | 155 | 8-18 | 20-3 | 185 | 16.5 | |
| 125 | 16 | 400 | 245 | 210 | 185 | 8-18 | 22-3 | 202 | 25.5 | |
| 150 | 16 | 480 | 280 | 240 | 210 | 8-23 | 24-3 | 223 | 35 | |
| 200 | 16 | 550 | 340 | 295 | 266 | 12-23 | 26-3 | 350 | 72.5 | |
First Class hardware equipments, Professional Product Quality
In the production process, we adopt advanced workmanship and methods such as precise casting CNC maching and individualized assembling ect.We also introduced management philosphies into ever link of the process, to assure and esactly, timely and synchronously production as per the requirements of the customers.
1.Can I have a sample order for valve?
A: Definitely Yes. We welcome your sample order for test and quality check. Mixed samples are acceptable.
2: We are interested in your products?
A : In order to recommend you suitable products, please provide detail information, like size, material, pressure, model.
3: Is the requirement for MOQ?
A: For some small size, like 2''-48''(DN50-DN1200), it request the MOQ is 50pcs for each size. Generally speaking, it depends on your order.
4 : How about the warranty?
A: The warranty time is 12 months after leaving our factory. We can repair or change because of the quality problems.
5 : Payment
A : Mainly T/T, Payment Term: 30% prepayment, 70% balance paid before shipping or against copy of BL.
6: Can you manufacture different standards valves according to customer requirements?
A : Yes. We can manufacture API,DIN,GOST standards for different pressure & temperature & size according to different needs.
If you want to know more about our products, please contact freely. We will patiently answer your all questions.
