HM-DF-WCB
High Performance Butterfly Valves



Double Flange Type, Carbon steel (A216 WCB) Body, Double Offset


  • Sizes available: 2″-60″ (50-1500mm)
  • Body Connection: Double Flange type
  • Body Material: Carbon steel (ASTM A216 WCB)
  • Disc Material: 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
ItemsANSI Class 150ANSI Class 300ANSI Class 600
Rating – PSI2857401440
Rating – BAR2050100
Size – Inch2-602-482-24
Size – mm50-150050-120050-600
TestingAPI 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
ConnectionWafer, Lugged, Double Flanged
Actuator – ManualLever Handle, Worm Gear Operator
Actuator – AutomaticElectric Motor, Pneumatic Double Acting,
Pneumatic Spring Return
MAIN MATERIALS
ItemsANSI Class 150ANSI Class 300ANSI Class 600
BODYCarbon Steel (A216-WCB)
316 SS (A351-CF8M)
Duplex Stainless Steel (2205/2507)
Hastelloy
Aluminum Bronze
Titanium Alloy
DISC316 SS (A351-CF8M)
Duplex Stainless Steel (2205/2507)
Hastelloy
Aluminum Bronze
Titanium Alloy
STEM17 - 4PH (A564-630) / 316SS
SEATSoft Seat: PTFE/RTFE + FPM Rubber Energizer
Metal Seat: 316L SS + 316 SS Backup Ring
Fire Safe Seat: 316L SS + Soft Seat Assembly
SHAFT BEARING316 SS Bonded to Dupont PTFE
PACKING SEALPTFE, Graphite

SEAT MATERIALS and RATING
PTFEClass VI, Bubble Tight
RTFEClass VI, Bubble Tight
316 SSClass V
INCONELClass V
PTFE + 316 SSClass VI Bubble Tight
Class V w/ Preferred Flow After Fire
RTFE + 316 SSClass 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: