MST offers the popular ST series High performance High temperature high pressure butterfly valve，with optional metal seats. These High Temperature Butterfly Valves are rated for services up to 700°F. The Valve is suitable for bi-directional flow, and the disc is designed to reduce thermal expansion. The high performance butterfly valves are rated at class IV shutoff as per ASME/FCI 70-2.
The High Temperature Butterfly Valves also provides constant sealing performance against temperature and pressure cycling conditions. The High performance High temperature high pressure butterfly valve is available in both lug and wafer designs and in carbon and stainless steels. It is standard with a direct mount ISO 5211 actuator flange for easy automation.
Features of High performance High temperature high pressure butterfly valve：
1）Body Style: Wafer, Lug and Double Flanged;
2）ASME Class 150 and 300: 2 -1/2” – 30” (65mm - 750mm)、
ASME Class 600: 3” – 14” (80mm - 350mm);
3）Wear-resistant 718 metal seat provides industry leading low torque；
4）3rd party validated high temperature tested;
5）High strength, anti-blowout one piece stem;
6）Nitrided disc for abrasion resistance;
7）Contoured disc to maximize flow;
8）Full face retaining ring protects seat in abrasive applications;
9）Easily accessible and adjustable stem packing.
Class IV bi-directional leakage rates through full pressure range tested in accordance to IEC 60534-4 and ANSI/FCI 70-2-2013.
MST also manufactures high quality high pressure ball valves, cryogenic ball valves, metal seated ball valves, flanged ball valves, industrial butterfly valves, high performance butterfly valves, control valves and custom valves to meet your specifications.