API 609 Butterfly Valve, A105N, 12 IN, CL150, Double Flanged

As a professional double flanged butterfly valve factory in China, we manufacture high-performance valves built to API 609 standards for reliable flow control. This model features a robust ASTM A105N carbon steel body paired with a corrosion-resistant ASTM A351 CF8 stainless steel disc, ensuring durability and long service life in demanding applications. Designed in a 12-inch (DN300, 300 mm) size and rated for Class 150 LB pressure, it offers excellent sealing and stable operation across water, HVAC, and industrial systems. Our double flanged design provides secure installation and superior pipeline integrity.
 

Valve Description:
Product Name: Double Flange type Butterfly Valve with Bracket + ISO Top Flange 5211
Design: API 609
Body: ASTM A105N
Disc: ASTM A351 CF8
Stem: 17-4PH
Seat: RPTFE
Sizes: 12 Inch, DN300, 300 mm
Nominal Class: 150 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, Alu. Bronze
Disc: Stainless Steel, Alu. Bronze, Titanium Alloy
Stem: 17-4PH / 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