Product Introduction:
Metal seated dual plate check valve adopts metal-to-metal hard sealing structure with Stellite alloy surfacing on disc and seat, spring assisted quick closing to prevent reverse flow and reduce water hammer.
No rubber parts, excellent high temperature, high pressure and abrasion resistance.
Advantages:
Wide temperature range (-29℃~450℃), anti-abrasion for particle medium, fire safe, long service life for steam & hot oil pipeline, low flow resistance, compact structure.
Application:
Thermal power plant, boiler steam pipeline, petrochemical hot oil pipeline, metallurgical gas pipeline, central heating high-temperature steam pipe, industrial high-pressure circulating pipeline.
Specifications:
Size: DN50-DN1200
Pressure: PN10/16, Class150,JIS6K/10K
Standard:DIN 2501,BS5155,ANSI B16.10
Materials:
Body : CF8
Disc:CF8
Seal : CF8
Stem : Stainless Steel
Spring:Stainless Steel
| Part Name | Conventional Materials | High Temperature/Corrosion Upgraded Material |
|---|
| Body | WCB/SS304/SS316/Bronze | WC6 and WC9 chromium-molybdenum steel (high-temperature steam), 304/316 stainless steel, duplex steel 2205 |
| Disc | WCB/SS304/SS316/Bronze | Stainless steel base + Stellite alloy weld overlay |
| Seat Ring | WCB/SS304/SS316/Bronze | integral alloy valve seat |
| Stem | WCB/Stainless Steel | Hastelloy and Monel |
| Spring | Stainless Steel | Inconel 750 high-temperature alloy spring (above 450℃) |
| Bushing | Graphite bearings /Cemented Carbide Bushings | Self-lubricating wear-resistant bushing |
Characteristic:
Applicable medium：Water, Oil, Gas
Applicable Temperature:-40~425℃
All valves are equipped with professional export protective packaging.
With protective caps on the sealing surfaces, rust-proof treatment, and shock-absorbing material filling to ensure intact transport; the loading is secure and safe.
We can also customize packaging according to customer requirements.
Regarding transportation methods, we can provide appropriate transportation options based on the cargo requirements and the customer's timeliness requirements.
Common transportation methods include: sea freight, air freight, land freight, and express delivery.
