Double Offset Fire Safe Seat High Performance Butterfly Valves
High Pressure, High Temperature, bi-directional, Zero Leakage Double offset Butterfly Valves.
The fire safe seated high performance butterfly valve incorporates two seats which function together to seal off pipeline flow. In normal operation, the soft seat provides a bi-directional "bubble tight" shutoff (zero leakage); the metal seat provides bi-directional shutoff in the event of a fire, in conformance to industry fire-safe requirements. Rigorously 100% internal tests prove bi-directional zero leakage seal.
Technical Details
Pressure Ratings and Size Ranges:
ANSI / ASME Class150 NPS 1 1/2 to 30 / DN 40 to 1200
ANSI / ASME Class 300 NPS 1 1/2 to 24 / DN 40 to 600
ANSI / ASME Class 600 NPS 1 1/2 to 14 / DN 40 to 350
PN 10 NPS 1 1/2 to 48 / DN 40 to 1200
PN16 NPS 1 1/2 to 48 / DN 40 to 1200
PN25 NPS 1 1/2 to 48 / DN 40 to 1200
PN40 NPS 1 1/2 to 24 / DN 40 to 600
PN64 NPS 1 1/2 to 14 / DN 40 to 350
PN100 NPS 1 1/2 to 14 / DN 40 to 350
JIS 5K NPS 1 1/2 to 48 / 40A to 1200A
JIS 10K NPS 1 1/2 to 48 / 40A to 1200A
JIS 16K NPS 1 1/2 to 30 / 40A to 750A
JIS 20K NPS 1 1/2 to 24 / 40A to 600A
Temperature range: Fire Safe Seat -60°F to 1022°F (-51°C to 550°C)
Connection Style: Wafer, Lug, Simi-Lug, Double Flange
Face To Face : ANSI B16.10 / API 609 / MSS-SP-68 / ISO 5752 / BS5155/ EN 558
Flange Drilling:
ASME B16.5: Class 150, 300, 600
DIN ISO EN 1092: PN10, PN16, PN25, PN40, PN64, PN100
JIS B2210: 5K, 10K, 16K, 20K
Top Flange: ISO 5211
Shell/Seat Test: API 598, EN-12266-1
Shutoff Rating: Class VI Bubble Tight, Class V After Fire
Operate: Bare Stem, Hand Lever, Worm Gear, Actuated
MAIN MATERIALS
BODY |
Carbon Steel(A216-WCB) or A105 304 Stainless Steel (CF8) 304L Stainless Steel (CF3) 316 Stainless Steel (CF8M) 316L Stainless Steel (CF3M) 318 Stainless Steel 321 Stainless Steel Aluminum Bronze Duplex stainless steel 2205 / 2207 Hastelloy C276 |
DISC |
304 Stainless Steel (CF8) 304L Stainless Steel (CF3) 316 Stainless Steel (CF8M) 316L Stainless Steel (CF3M) 318 Stainless Steel 321 Stainless Steel Aluminum Bronze Duplex stainless steel 2205 / 2207 Hastelloy C276 |
STEM |
17/4PH(A56 4-630) 316SS Duplex stainless steel 2205 / 2207 MONEL |
SEAT |
316 SS+PTFE with FPM Rubber Energizer 316 SS+RTFE with FPM Rubber Energizer Inconel+PTFE with FPM Rubber Energizer Inconel+RTFE with FPM Rubber Energizer |
SHAFT BEARING |
316 SS+DuPont, RTFE |
PACKING SEAL |
Graphite |
Applications:
HVAC industries
Mining
Oil and Gas
Pulp and paper
Power generation
Chemical/Petrochemical Processing
Hydrocarbon processing
Marine and commercial shipbuilding.
Water and waste water treatment