High Performance Valves 

POWER-SEAL High Performance Butterfly Valves ANSI/ASME Class 150 and 300

• PS and P1S Series – Soft Seat design
  Soft seat for bubble-tight shutoff of general purpose applications. (PS soft seat material is RTFE. P1S soft seat material is G2TFE).
• PF and P1F Series – Firesafe seat design
  Primary soft seat for bubble-tight shutoff backed up by secondary 316L SST firesafe seat. Secondary firesafe seat provides Class V shutoff when primary soft seat is compromised in a fire event. (PF soft seat material is RTFE/316L SST. P1F soft seat material is G2TFE/316L SST).
• PM and P1M Series – Metal seat design for specialized applications
  316L SST seat for Class V shutoff of high temperature applications. Standard disc with this series is 316 SST with HCr.
• PH and P1H Series – Metal seat design for high temperature
  Inconel 625 seat and 316 SST with Stellite disc is recommended for extreme temperatures.

Features and Benefits

• Available inventory includes sizes 2”-36”. Larger sizes available upon request
• Standard body materials are 316 SST or WCB. Application specific options include: Alloy 20, Monel, CD3MN, Hastelloy C-276, Inconel 625, Aluminum Bronze, LCB and others.
• Refer to catalog for standard seat materials for each series. Application specific seat materials include: 50/50 STFE, PTFE, TFM-1600 and Inconel 625.
• Soft and Firesafe seat designs offer bubble-tight, bi-directional shutoff to full ANSI/ASME Class 150 and 300 standards. Metal seat design offers Class V shutoff.
• Blow out proof stem design
• Live Loaded Packing
• Application Specific Stem Packing
• Internally Cast Travel Stop

These valves hold CRNs (Canadian Registration Numbers). Use the search bar on our site to access the CRN certificates; search “CRN”.