API 6D Swing Check Valve, 12 Inch, Class 900, CF8C, RF Flanged|JONLOO valve company

API6D swing check valve, bolted body & bonnet ASTM A351 CF8C,, renewable seat, flexible graphite packing, Flange ends RF, Trim 17 for high‑pressure pipeline service.

Tags:

• class 900 check valve
• CF8C check valve
• Swing Check Valve
• API6D Swing check valve

This API 6D swing check valve is designed for heavy‑duty high‑pressure pipeline applications. It adopts bolted‑construction body and bonnet cast from ASTM A351 Grade CF8C stainless steel.

Fitted with CF8C disc and renewable seat for convenient field maintenance and replacement. Flexible graphite packing together with AISI 304 stainless steel strip ensures reliable sealing performance. End connection is RF, internal trim Trim 17.

The swing‑flap structure automatically prevents reverse flow of process media. Widely used in oil‑gas, petrochemical and power‑generation high‑pressure piping systems.

• Standard: API 6D
• Size: 12 Inch
• Pressure Class: Class 900
• Valve Type: Swing Check Valve (Non‑return Valve)
• End Connection: Flange ends RF
• Body & Bonnet: ASTM A351 Gr.CF8C, 
• Disc: ASTM A351 Gr.CF8C, 
• Seat: Renewable seat
• Packing: Flexible graphite packing
• Strip: AISI 304 stainless steel strip
• Internal Trim: Trim 17
• Operation: Automatic swing‑flap non‑return