ASTM A351 CF8 Butterfly Valves, API 609, 20 Inches, CL300 LB

As a leading High-Performance Butterfly Valves Manufacturer in China, we specialize in producing API 609-compliant butterfly valves designed for demanding industrial applications. Our valves feature an ASTM A351 CF8 body and disc, delivering excellent corrosion resistance and long-lasting durability. With a 20-inch (DN500 / 500 mm) size and Class 300 LB pressure rating, these valves provide precise flow control and reliable sealing. Equipped with RPTFE seats and double-flanged ends, they ensure easy installation and maintenance. Ideal for water, oil, gas, and chemical pipelines, our high-performance butterfly valves combine superior materials, engineering precision, and optimal operational reliability.

Product Name: Double Flange Type Butterfly Valve 
Design: API 609
Body & Disc: ASTM A351 CF8
Stem: ASTM A182 F51
Seat: RPTFE
Sizes: 20 Inches, DN500, 500 mm
Nominal Class: Class 300 LB
Connection Ends: Double Flange Ends
Face to Face: API 609
Test and Inspection: API 598

High Performance Butterfly Valve
Valve Design: API 609
Double Offset
Soft Seat, Replaceable Seat
Fire Safe Seat Ring & Fire Safe Seat Insert: API 607
Valve Design is Sealing: Bi-Directional 

Type: Lug, Wafer, Double Flanges

Valve Face to Face: API 609
Testing & inspection: API 598 - tight A

Body: Cast Material Carbon Steel, Stainless Steel, Al-bronze
Disc: Stainless Steel, Al-bronze, Titanium Alloy
Stem: 17-4PH / ASTM A182 F51 / MONEL
Seat: PTFE, RPTFE, PPL, TFM 1600
Operation: Lever, Gearbox + HW

Operation: Manual Gear Operator with Hand Wheel + Position Indicator
to be done ANTI-ACID paint coating