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CF8m Stainless Steel Swing Type Non Return Check Valve
CF8M Stainless Steel Swing Type Non-Return Check Valve
Model No.: DTVA Series
Function: DDCV Double Lobe, NRVr Silence, SFCV Rubber Lobe, NRVz Silence, NRVG Silence
Sealing Form: Bellows Globe Valve
Flow Direction: Bidirectional
Standard: GB
Application: Industrial Water Usage
Port Size: DN50-DN600
Wedge: Flexible Wedge
Bonnet: Bolted Bonnet
Bolt: B7/2H
Trademark: DOTOP
Transport Package: Wooden Crate
Specification: 6 Inches
Origin: China
HS Code: 84813000
Below is a detailed material specification table for the CF8M Stainless Steel Swing Type Non-Return Check Valve:
| No. | Part Name | WCB/Trim 1 | WCB/Trim 5 | WCB/Trim 8 | CF8 / 304 | CF8M / 316 |
|-----|----------------|------------------|------------------|------------------|------------------|------------------|
| 1 | Body | A216 WCB | A216 WCB | A216 WCB | A351 CF8 | A351 CF8M |
| 2 | Seat Ring | A105 + 13 CR | A105 + STL | A105 + STL | A351 CF8 | A351 CF8M |
| 3 | Disc | A216 WCB + 13CR | A216 WCB + STL | A216 WCB + STL | A351 CF8 | A351 CF8M |
| 4 | Arm | A216 WCB | A216 WCB | A216 WCB | A351 CF8 | A351 CF8M |
| 5 | Nut | A194 2H | A194 2H | A194 2H | A194 8 | A194 8M |
| 6 | Arm Pin | 182 F6a | 182 F6a | 182 F6a | A182 F304 | A182 F316 |
| 7 | Yoke | A216 WCB | A216 WCB | A216 WCB | A351 CF8 | A351 CF8M |
| 8 | Bonnet Nut | A194 2H | A194 2H | A194 2H | A194 8 | A194 8M |
| 9 | Bonnet Bolt | A193 B7 | A193 B7 | A193 B7 | A193 B8 | A193 B8M |
| 10 | Bolt | A193 B7 | A193 B7 | A193 B7 | A193 B8 | A193 B8M |
| 11 | Gasket | 304 + Graphite | 304 + Graphite | 304 + Graphite | 304 + Graphite | 304 + Graphite |
| 12 | Bonnet | A216 WCB | A216 WCB | A216 WCB | A351 CF8 | A351 CF8M |
| 13 | Eye Bolt | A181 | A181 | A181 | ASTM A181 | ASTM A181 |
**Packaging:**
We are ready to deliver the valves in wooden crates. For container transport, we will send the marine flanged valves directly to the port warehouse and load them into the container. Upon arrival at the destination port, forklift trucks will be required to unload and move the materials onto the truck for delivery to the warehouse.
**Our Advantages:**
a) We have long-term cooperation with CSIC (China Shipbuilding Heavy Industry Corporation), making us more professional in the marine industry.
b) We offer samples for testing before confirming an order.
c) Once production is complete, your sales manager will accompany you for factory inspection.
d) Our sales team provides 18-hour online support, and engineers are available from 10:00–16:00 (GMT+8).
e) We have a long-term agreement with our manufacturer, which allows us to offer competitive pricing.
f) Quality and price are both important to us—we never sell substandard products.
**Factory Visit:**
[Image of CF8M Stainless Steel Swing Type Non-Return Check Valve]
You are welcome to visit our factory and see the production process firsthand.
**Exhibition:**
[Image of CF8M Stainless Steel Swing Type Non-Return Check Valve]
We participate in various international exhibitions to showcase our products and connect with global clients.