HM-DF-316
High Performance Butterfly Valves



Double Flange Type, 316 SS (A351-CF8M) Body, Double Offset


  • Sizes available: 2″-60″ (50-1500mm)
  • Body Connection: Double Flange type
  • Body Materail: 316 SS (A351-CF8M)
  • Disc Materail: 316 SS (A351-CF8M)
  • One piece stem: 17-4PH or 316SS
  • Packing: PTFE or graphite
  • Unique Seats Design: Soft Seat, Metal Seat or Fire Safe Seat
  • Manual Operator: Lever Handle, Worm Gear Operator
  • Automatic Operation: Pneumatic Spring Return, Pneumatic Double Acting, Electric Motor.
  • Pressure ratings: ANSI Class 150 / 300/ 600; DIN ISO PN16 / PN25 / PN40 / PN100
  • Shell/Sealing Test: API 598

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Size available:


Soft Seat

  • ANSI Class 150 2″-60″ (50-1500mm)
  • ANSI Class 300 2″-48″ (50-1200mm)
  • ANSI Class 600 2″-24″ (50-600mm)

Metal Seat

  • ANSI Class 150 2″-30″ (50-750mm)
  • ANSI Class 300 2″-24″ (50-600mm)

Fire Safe Seat

  • ANSI Class 150 2″-30″ (50-750mm)
  • ANSI Class 300 2″-24″ (50-600mm)

End flange spec. available

  • ASME B16.5: Class 150, 300, 600
  • JIS B2210: 10K, 16K, 20K
  • DIN ISO PN10, PN16, PN25, PN40

Pressure ratings:


  • ANSI Class 150 to 285 psi (2000 kPa)
  • ANSI Class 300 to 740 psi (5100 kPa)
  • ANSI Class 600 to 1440 psi (10000 kPa)
  • DIN ISO PN16/PN25 to 2500 kPa (25bar)
  • DIN ISO PN40 to 4000 kPa (40bar)
  • DIN ISO PN100 to 10000 kPa (100bar)

Temperature range:

  • Soft Seat -20°F to +500°F (-29°C to +260°C)
  • Metal Seat -60°F to +1022°F (-51°C to +550°C)
  • Metal Seat (Cryogenic) -320°F to +250°F (-196°C to +121°C)
  • Fire Safe Seat -60°F to +1022°F (-51°C to +550°C)

Basic design: 

  • ANSI B16.10 / API 609 / MSS-SP-68 / ISO 5752
Standard Production Range
Items ANSI Class 150 ANSI Class 300 ANSI Class 600
Rating – PSI 285 740 1440
Rating – BAR 20 50 100
Size – Inch 2-60 2-48 2-24
Size – mm 50-1500 50-1200 50-600
Testing API 598
Face to face spec. ANSI B16.10 / API 609 / MSS-SP-68 / ISO 5752
End Flange Spec. ASME B16.5: Class 150, 300, 600
JIS B2210: 10K, 16K, 20K
DIN ISO PN10, PN16, PN25, PN40
Connection Wafer, Lugged, Double Flanged
Actuator – Manual Lever Handle, Worm Gear Operator
Actuator – Automatic Electric Motor, Pneumatic Double Acting,
Pneumatic Spring Return
MAIN MATERIALS
Items ANSI Class 150 ANSI Class 300 ANSI Class 600
BODY Carbon Steel (A216-WCB)
316 SS (A351-CF8M)
Duplex Stainless Steel (2205/2507)
Hastelloy
Aluminum Bronze
Titanium Alloy
DISC 316 SS (A351-CF8M)
Duplex Stainless Steel (2205/2507)
Hastelloy
Aluminum Bronze
Titanium Alloy
STEM 17 - 4PH (A564-630) / 316SS
SEAT Soft Seat: PTFE/RTFE + FPM Rubber Energizer
Metal Seat: 316L SS + 316 SS Backup Ring
Fire Safe Seat: 316L SS + Soft Seat Assembly
SHAFT BEARING 316 SS Bonded to Dupont PTFE
PACKING SEAL PTFE, Graphite

SEAT MATERIALS and RATING
PTFE Class VI, Bubble Tight
RTFE Class VI, Bubble Tight
316 SS Class V
INCONEL Class V
PTFE + 316 SS Class VI Bubble Tight
Class V w/ Preferred Flow After Fire
RTFE + 316 SS Class VI Bubble Tight
Class V w/ Preferred Flow After Fire

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Contact info.

Address: 3 Economic and Technological Development Zone of Ningjin County, Dezhou City, Shandong, China 253400


Tel: +86 (0) 532-84688512

Fax: +86 (0) 532-84688513


Email: sales@huameimachinery.com


We look forward to hearing from you for the in-depth communication on how to fulfill your Valve requirements.

Connection Type:
Pressure Rating:
Body Material:
Seat Design: