Description

Offered for sale is a 12″ Class 150 triple‑offset butterfly valve, manufactured by Tricentric® / Velan, equipped with a Rotork AB1250N gear operator. This valve was procured for a battery limit application and returned unused as project surplus.

Triple‑offset butterfly valves are designed for zero‑leakage isolation service, combining tight shutoff with lower torque requirements compared to traditional gate or ball valves.

Item Overview

• Valve Type: Triple‑Offset Butterfly Valve
• Valve Size: 12 inch
• Pressure Class: ASME Class 150
• End Configuration: Wafer / Lug (per body style)
• Quantity Available: 1 complete valve assembly
• Condition: New Surplus / Uninstalled
• Reason for Return: Materials left over

Valve Data

• Body Material: ASTM A216 WCB
• Stem Material: 17‑4 PH Stainless Steel
• Disc Material: CF8M (316 SS)
• Seat Type: Metal Seat
• Design Standards:
  • API 609
  • ASME B16.34
• Pressure Rating:
  • 285 psig @ 100°F
  • 19.6 bar @ 38°C
• CRN: 0C0765.2
• Serial Number: S13401
• Design: Triple‑Offset Butterfly Valve
• Seat Design: Metal‑to‑metal, fire‑safe design
• Body: Carbon steel WCB
• Disc: CF8M (316 stainless steel)
• Stem: 17‑4 PH stainless
• Packing: Low‑emission graphite packing (API 641 referenced)
• Bearings: Hardfaced / thrust bearing design
• Application: Isolation service, high‑temperature / critical service

Actuator / Operator Details 

Gear Operator

• Manufacturer: rotork‑gears
• Model / Type: AB1250N
• Configuration / Build Code: 13C070
• Customer / Tag #: 034684
• Serial #: 3F258601
• Manufacture Date: Jul‑22