OEM SS hydraulic pressure check valve butterfly type slow closing Supplier, Manufacturer
Product Description
Product Specifications
Characteristics
This stainless steel tilting disc slow closing check valve is cast from 304/316 stainless steel with outstanding acid, alkali and seawater corrosion resistance. Eccentric short-stroke disc with external hydraulic buffer achieves two-stage closing to eliminate water hammer and noise. Low flow resistance improves pump efficiency with soft/metal sealing options, widely used in seawater desalination, food, pharmaceutical and corrosive chemical pipeline systems.
Key Advantages
Packaging & Logistics
Standard export wooden case packaging
Application Scenarios
This disc check valve widely used in Seawater desalination pump stations, food & pharmaceutical circulating pipelines, chemical acid & alkali medium lines, coastal power plant cooling water, pure water treatment, anti-corrosion sewage systems and marine aquaculture water circulation pipelines.
Material of Main Parts
| Components Name | Valve Body | Valve Petal | Valve Lever, Cylinder, Piston | Spring | Valve Seat |
|---|---|---|---|---|---|
| Material | Cast iron, cast steel | Carbon steel | Stainless steel | Stainless steel | Ding nitrile rubber |
Main Dimensions
| DN (mm) | L | H | H1 |
|---|---|---|---|
| 40 | 140 | 200 | 88 |
| 50 | 150 | 215 | 98 |
| 65 | 170 | 225 | 108 |
| 80 | 180 | 235 | 118 |
| 100 | 190 | 280 | 130 |
| 125 | 200 | 290 | 148 |
| 150 | 210 | 310 | 172 |
| 200 | 230 | 350 | 210 |
| 250 | 250 | 415 | 240 |
| 300 | 270 | 450 | 264 |
| 350 | 290 | 480 | 297 |
| 400 | 310 | 550 | 324 |
| 450 | 330 | 585 | 351 |
| 500 | 350 | 640 | 379 |
| 600 | 390 | 720 | 434 |
| 700 | 430 | 780 | 491 |
| 800 | 470 | 840 | 549 |
| 900 | 510 | 990 | 600 |
| 1000 | 550 | 1050 | 655 |
| 1200 | 630 | 1210 | 770 |
Frequently Asked Questions (FAQ)
Q1: What materials are available for this check valve?
The main body options include cast iron, cast steel, or CF8/CF8M stainless steel. Components such as valve levers, cylinders, pistons, and springs are made of stainless steel, while the valve seat uses Ding nitrile rubber.
Q2: How does the valve eliminate water hammer and operational noise?
It features an eccentric short-stroke disc paired with an external hydraulic buffer that performs staged slow closing, successfully eliminating water hammer pressure surges and closing noise.
Q3: What temperature range can this valve handle?
This valve operates reliably under a working temperature range of -20°C < T < 120°C.
Q4: What standards does this tilting disc check valve meet?
The check valve is manufactured in compliance with international EN, DIN, and API standards, utilizing investment casting for zero leakage performance.
Q5: What are the main application scenarios for this valve?
It is widely implemented in seawater desalination stations, food and pharmaceutical pipelines, corrosive chemical acid/alkali lines, power plant cooling systems, and pure water treatment installations.
Q6: What type of packaging is used for international shipment?
The product is packed securely using standard export wooden cases to guarantee protection during transit.
