NSW C95800 Dual Plate Check Valve – Class 150–900, Wafer Type, Retainerless Design

Product Details

Quantity

500
Availability (Lead Time)

4-6 Weeks
Product Location

China
Condition
OEM

WENZHOU NEWSWAY VALVE CO. LTD
Equipment code

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Short Description

C95800 nickel-aluminum bronze dual plate check valve in wafer style, Class 150 to 900, NPS 2" to 24". Lightweight, compact design with metal or rubber seat, retainerless option, and spring-assisted closing for fast response and sealing.

Description

NSW C95800 Dual Plate Check Valve – Class 150–900, Wafer Type, Retainerless Design

The NSW C95800 Dual Plate Check Valve is a compact, high-performance non-return valve engineered to prevent backflow in marine, desalination, water treatment, and industrial pipeline systems. Manufactured with corrosion-resistant C95800 nickel-aluminum bronze, this valve is ideally suited for use with seawater and other aggressive media.

Conforming to API 594 and ASME B16.10 standards, this wafer-type valve is available in sizes from NPS 2” to 24” and pressure classes 150 to 900. Its dual plate (split disc) design features spring-loaded plates that quickly close when forward flow ceases, minimizing water hammer and system shock. The valve is offered with either a metal-to-metal or rubber seat seal, and comes in both retainerless and retainer-type configurations depending on application needs.

The streamlined structure allows short face-to-face dimensions, reduced weight, and unobstructed flow, resulting in minimal pressure drop. C95800 body and disc materials ensure long service life and excellent resistance to saltwater, brine, and chemical environments.

Specifications:

– Valve Type: Dual Plate Wafer Check Valve
– Design Standard: API 594
– Size Range: NPS 2" to 24"
– Pressure Class: 150#, 300#, 600#, 900#
– Body Material: C95800 (Nickel-Aluminum Bronze)
– Other Material Options: A216 WCB, A351 CF8/CF8M/CF3/CF3M, A352 LCB/LCC/LC2, A995 4A/5A, Monel, Inconel, Hastelloy
– Disc Material: C95800 (standard)
– Seal Options:
– Metal-to-Metal
– Rubber-lined
– End Connection: Wafer-type to fit between flanges per ASME B16.5 / B16.47 / MSS SP-44 (NPS 22 only)
– Face-to-Face: API 594 / ASME B16.10
– Design Features:
1. Retainerless or Retainer Type
2. Metal or Rubber Seat
3. Spring-Loaded Dual Plate
4. Lightweight and Compact Body
5. Unobstructed Flow Channel
6. Fast Closing for Anti-Backflow
7. High Sealing Performance and Sensitivity
8. Simple, Aesthetic Structure
– Testing & Inspection: API 598
– Fire Safe Design: Optional per API 6FA, API 607
– Compliance Options:
– NACE MR-0175 / MR-0103
– ISO 15848 (Fugitive Emission)
– Non-Destructive Testing: PMI, UT, RT, PT, MT

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Technical Details

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