
Best Sales 1 Inch Stainless Steel 316 One-Way Spring Lift Check Valve with NPT
Product Introduction
Our Ecc Con Swage Nipple, Wled Pipe Fittings PL RF Flanges, Industrial Pipe Fittings Tee Cross and technologies have become a model of the industry with low energy consumption and high precision. In the face of increasingly fierce market competition, our company will continue to take the market as the guidance, customer service as the center and scientific and technological progress as the driving force to continuously improve the product brand image. We believe that the sustainable development of the economy and society is the basic guarantee for the sustainable operation of the enterprise. We are committed to improving the execution of rules and regulations. We constantly improve and implement the Staff Code to guide and regulate the behavior of all employees with a common code of conduct. We have an obligation to create greater value for customers with high quality products and perfect services, and to create a better future with all partners.
Bod^Bonnet | CF8 | CF3 | CF8M | CF3M | WCB | LCB | WC6 | WC9 | C5 |
Wedge | CF8 | CF3 | CF8M | CF3M | WCB | LCB | WC6 | WC9 | C5 |
Test Item | Shell Test | Seal Test | Back Seal Test | Air Seal Test | |
Medium | Water | Air | |||
Unit | MPa | MPa | MPa | MPa | |
Nominal Pressure PN(MPa) | 1.6 | 2.4 | 1.8 | 1.8 | 0.5-0.7 |
2.5 | 3.8 | 2.8 | 2.8 | ||
4.0 | 6.0 | 4.4 | 4.4 | ||
6.4 | 9.6 | 7.0 | 7.0 | ||
10.0 | 15.0 | 11.0 | 11.0 | ||
16.0 | 24.0 | 18.0 | 18.0 | ||


Standards
Design and manufacture as GB/T12235
Face to face dimensions as GB/T12221
End flange dimension as JB/T79
Pressure test as JB/T9092
Pressure
Material | ||||||||
CF8 | CF3 | CF8M | CF3M | WCB | LCB | WC6 | WC9 | C5 |
CF8 | CF3 | CF8M | CF3M | WCB | LCB | WC6 | WC9 | C5 |
PTFF | Graphite | |||||||
Stainless Steel | 35CrMoA | |||||||
Stainless Steel | 45, 35CrMoA | |||||||


Main Connection Dimensions
| Type | DN(mm) | Dimension(mm) | ||||||||
| L | D | Dl | D2 | D6 | b-f | fl | z-ød | H | ||
| H H41W-16 Y | 15 | 130 | 95 | 65 | 45 | 14-2 | 4-ø14 | 90 | ||
| 20 | 150 | 105 | 75 | 55 | 14-2 | 4-ø14 | 105 | |||
| 25 | 160 | 115 | 85 | 65 | 14-2 | 4-ø14 | 115 | |||
| 32 | 180 | 135 | 100 | 78 | 16-2 | 4-ø18 | 120 | |||
| 40 | 200 | 145 | 110 | 85 | 16-3 | 4-ø18 | 130 | |||
| 50 | 230 | 160 | 125 | 100 | 16-3 | 4-ø18 | 140 | |||
| 65 | 290 | 180 | 145 | 120 | 18-3 | 4-ø18 | 150 | |||
| 80 | 310 | 195 | 160 | 135 | 20-3 | 8-ø18 | 170 | |||
| 100 | 350 | 215 | 180 | 155 | 20-3 | 8-ø18 | 185 | |||
| 125 | 400 | 245 | 210 | 185 | 22-3 | 8-ø18 | 195 | |||
| 150 | 480 | 280 | 240 | 210 | 24-3 | 8-ø23 | 225 | |||
| 200 | 600 | 335 | 295 | 265 | 26-3 | 12-ø23 | 250 | |||
| 250 | 650 | 405 | 355 | 320 | 30-3 | 12-ø25 | 270 | |||
| 300 | 750 | 460 | 410 | 375 | 30-3 | 12-ø25 | 300 | |||
| H H41W-25 Y | 15 | 130 | 95 | 65 | 45 | 16-2 | 4-ø14 | 90 | ||
| 20 | 150 | 105 | 75 | 55 | 16-2 | 4-ø14 | 105 | |||
| 25 | 160 | 115 | 85 | 65 | 16-2 | 4-ø14 | 115 | |||
| 32 | 180 | 135 | 100 | 78 | 18-2 | 4-ø18 | 120 | |||
| 40 | 200 | 145 | 110 | 85 | 18-3 | 4-ø18 | 130 | |||
| 50 | 230 | 160 | 125 | 100 | 20-3 | 4-ø18 | 140 | |||
| 65 | 290 | 180 | 145 | 120 | 22-3 | 8-ø18 | 150 | |||
| 80 | 310 | 195 | 160 | 135 | 22-3 | 8-ø18 | 170 | |||
| 100 | 350 | 230 | 190 | 160 | 24-3 | 8-ø23 | 185 | |||
| 125 | 400 | 270 | 220 | 188 | 28-3 | 8-ø25 | 195 | |||
| 150 | 480 | 300 | 250 | 218 | 30-3 | 8-ø25 | 225 | |||
| 200 | 600 | 360 | 310 | 278 | 34-3 | 12-ø25 | 250 | |||
| 250 | 650 | 425 | 370 | 335 | 36-3 | 12-ø30 | 270 | |||
| 300 | 750 | 485 | 430 | 390 | 40-4 | 16-ø30 | 300 | |||
| H H41W-40 Y | 25 | 160 | 115 | 85 | 65 | 58 | 16-2 | 4 | 4-ø14 | 115 |
| 32 | 180 | 135 | 100 | 78 | 66 | 18-2 | 4 | 4-ø18 | 120 | |
| 40 | 200 | 145 | 110 | 85 | 76 | 18-3 | 4 | 4-ø18 | 130 | |
| 50 | 230 | 160 | 125 | 100 | 88 | 20-3 | 4 | 4-ø18 | 140 | |
| 65 | 290 | 180 | 145 | 120 | 110 | 22-3 | 4 | 8-ø18 | 150 | |
| 80 | 310 | 495 | 160 | 135 | 121 | 22-3 | 4 | 8-ø18 | 170 | |
| 100 | 350 | 230 | 190 | 160 | 150 | 24-3 | 4.5 | 8-ø23 | 185 | |
| 125 | 400 | 270 | 220 | 188 | 176 | 28-3 | 4.5 | 8-ø25 | 195 | |
| 150 | 480 | 300 | 250 | 218 | 204 | 30-3 | 4.5 | 8-ø25 | 225 | |
| 200 | 600 | 375 | 320 | 282 | 260 | 38-3 | 4.5 | 12-ø30 | 250 | |
| H H41W-64 Y | 15 | 170 | 105 | 75 | 55 | 40 | 18-2 | 4 | 4-ø14 | 110 |
| 20 | 190 | 125 | 90 | 68 | 51 | 20-2 | 4 | 4-ø18 | 125 | |
| 25 | 210 | 135 | 100 | 78 | 58 | 22-2 | 4 | 4-ø18 | 152 | |
| 32 | 230 | 150 | 110 | 82 | 66 | 24-2 | 4 | 4-ø23 | 168 | |
| 40 | 260 | 165 | 125 | 95 | 76 | 24-3 | 4 | 4-ø23 | 170 | |
| 50 | 300 | 175 | 135 | 105 | 88 | 26-3 | 4 | 4-ø23 | 188 | |
| 65 | 340 | 200 | 160 | 130 | 110 | 28-3 | 4 | 8-023 | 205 | |
| 80 | 380 | 210 | 170 | 140 | 121 | 30-3 | 4 | 8-ø23 | 230 | |
| 100 | 430 | 250 | 200 | 168 | 150 | 32-3 | 4.5 | 8-ø25 | 280 | |
| 125 | 500 | 295 | 240 | 202 | 176 | 36-3 | 4.5 | 8-ø30 | 300 | |
| 150 | 550 | 340 | 280 | 240 | 204 | 38-3 | 4.5 | 8-ø34 | 350 | |
| 200 | 650 | 405 | 345 | 300 | 260 | 44-3 | 4.5 | 12-ø34 | 400 | |
Product Description:
Type | DN(mm) | Dimension(mm) | |||||
L | D | Dl | D2 | b-f | z-ød | ||
H H42W-16 Y | 15 | 85 | 95 | 65 | 45 | 14-2 | 4-ø14 |
20 | 95 | 105 | 75 | 55 | 14-2 | 4-ø14 | |
25 | 105 | 115 | 85 | 65 | 14-2 | 4-ø14 | |
32 | 150 | 135 | 100 | 78 | 16-2 | 4-ø18 | |
40 | 160 | 145 | 110 | 85 | 16-3 | 4-ø18 | |
50 | 170 | 160 | 125 | 100 | 16-3 | 4-ø18 | |
65 | 180 | 180 | 145 | 120 | 18-3 | 4-ø18 | |
80 | 200 | 195 | 160 | 135 | 20-3 | 8-ø18 | |
100 | 210 | 215 | 180 | 155 | 20-3 | 8-ø18 | |
125 | 275 | 245 | 210 | 185 | 22-3 | 8-ø18 | |
150 | 300 | 280 | 240 | 210 | 24-3 | 8-ø23 | |
200 | 380 | 335 | 295 | 265 | 26-3 | 12-ø23 | |
250 | 430 | 405 | 355 | 320 | 30-3 | 12-ø25 | |
H H42W-25 Y | 15 | 85 | 95 | 65 | 45 | 16-2 | 12-ø25 |
20 | 95 | 105 | 75 | 55 | 16-2 | 4-ø14 | |
25 | 105 | 115 | 85 | 65 | 16-2 | 4-ø14 | |
32 | 150 | 135 | 100 | 78 | 18-2 | 4-ø14 | |
40 | 160 | 145 | 110 | 85 | 18-3 | 4-ø18 | |
50 | 170 | 160 | 125 | 100 | 20-3 | 4-ø18 | |
65 | 180 | 180 | 145 | 120 | 22-3 | 4-ø18 | |
80 | 200 | 195 | 160 | 135 | 22-3 | 8-ø18 | |
100 | 210 | 230 | 190 | 160 | 24-3 | 8-ø18 | |
125 | 275 | 270 | 220 | 188 | 28-3 | 8-ø23 | |
150 | 300 | 300 | 250 | 218 | 30-3 | 8-ø25 | |
200 | 380 | 360 | 310 | 278 | 34-3 | 8-ø25 | |
250 | 430 | 425 | 370 | 335 | 36-3 | 12-ø25 | |
Main Connection Dimensions
H41H/W lifting check valve is selected for pipelines with nominal pressure pn1.6-16mpa and working temperature of -29-550 ℃ in various working conditions such as petroleum, chemical industry and thermal power station.
Structure and characteristics:
1. The sealing pair is advanced and reasonable. The sealing surface of valve disc and seat is made of iron base alloy or Stellite cobalt based cemented carbide. It has good wear resistance, high temperature resistance, corrosion resistance and abrasion resistance and long service life.
2. The products are designed and manufactured according to the national standard gb/t12235.
3. Various pipe flange standards and flange sealing types can be adopted to meet the needs of various projects and user requirements.
4. The valve body is of complete material, and the gasket can be reasonably selected according to the actual conditions or user requirements, and can be applied to various pressure, temperature and medium conditions.
The check valve with different structure and connection can be designed and manufactured according to the requirements of users, which can be used for various equipment
Application: in the pipeline of petroleum, chemical, pharmaceutical, chemical fertilizer, electric power industry and other working conditions, the suitable medium is water, oil, steam, acid medium, etc.
Price:Our price fluctuates with raw materials and exchange rate.Please leave your contact information and give you a new quotation as soon as possible.
Packing: wooden case, wooden pallet or packing method specified by customers.
We have many years of experience in dealing with Best Sales 1 Inch Stainless Steel 316 One-Way Spring Lift Check Valve with NPT, therefore we are confident that we can meet any requirements of our customers. With the advanced workshop, professional design team and strict quality control system, based on mid- to high-end marked as our marketing positioning, our products are fast selling onto European and American markets with our own brands such as below Deniya, Qingsiya and Yisilanya. 'Use wisdom to make products and serve customers with heart' is our service philosophy.
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