产品名称：WHEATLEY® Check Valves止回阀

Valves -   WHEATLEY Dual Plate Wafer Check Valve

Valves -   TOM WHEATLEY Piston Check Valves

Carbon Steel Body, Cover and Trim.

Valves -   WHEATLEY Short Pattern Wafer Check Valve

Inexpensive Reduced Port Check Valves are used in applications where...
 • Media is clean (abrasives are not present)
 • Flow is steady and not pulsating
 • Flow rates are low
 • Pigs or spheres are not intended to run through the valve
 • Velocity through the seat does not exceed:
   Liquids 15 feet per second
   Gases 100 feet per second

Valves -   WHEATLEY Series 500 Fire Tested Carbon Steel Flanged End Check Valve

API 6D/Drilling production valve carbon steel flanged end check valves 

When you need a check valve that has to work!

Features:
• 316 stainless steel trim is compatible with a broad range of
  media and operating conditions
• Full-Open, through-conduit design for low pressure drop and
  less turbulence.Valves easily pass pigs and spheres
• 90 Durometer, peroxide-cured seals are compatible with a
  broad range of media and operating conditions. Seals provide
  a bubble-tight shut-off every time
• Suitable for vertical flow up or horizontal installation.
  Eliminates installation guesswork
• All materials conform to NACE MR0175 / ISO 15156
• Cast on flanges provide greater valve body integrity and
  fewer leak points
• API 6D Monogram (510 / 511 Only)

API 6D/Drilling production valve carbon steel flanged end check valves  When you need a check valve that has to work! Features: • 316 stainless steel trim is compatible with a broad range of   media and operating conditions • Full-Open, through-conduit design for low pressure drop and   less turbulence.Valves easily pass pigs and spheres • 90 Durometer, peroxide-cured seals are compatible with a   broad range of media and operating conditions. Seals provide   a bubble-tight shut-off every time • Suitable for vertical flow up or horizontal installation.   Eliminates installation guesswork • All materials conform to NACE MR0175 / ISO 15156 • Cast on flanges provide greater valve body integrity and   fewer leak points • API 6D Monogram (510 / 511 Only)

• Designed in accordance with ASME B16.34 (510 / 511 Only)
• Valve is fire tested to API 6FD requirements (except for 1 in. (25 mm) valve)
• CANADIAN REGISTRATION NUMBER (CRN) available upon request
• Flanges are back-faced - an extra manufacturing step which provides smoother bolting surfaces and
  even bolt  loading
• Bolted top entry complete with 1/2 in. NPT cover tap for gauges and accessories (except 1 in. (25 mm) size)
• In-line repairable
• Thru-pin clapper shaft makes clapper removal easier and extends valve life by transferring wear and tear to
  an inexpensive replaceable part.


 

Valves -   WHEATLEY Series 822 Check Valve

WHEATLEY^® Series 822 Check Valves

When you need a check valve that has to work!

Features:
• Designed in Accordance with ASME B16.34 (WCC, LCC and
  CF8M only)
• Material of construction conform to NACE MR0175 / ISO 15156 
• Solid 316 stainless steel clapper and hanger which eliminates the
  need for seperate pins, bushings and rollers 
• Compact valve geometry minimizes weight and space
• Bevelled, self-aligning clapper and seat design incorporates
  a molded seal in the clapper for a bubble-tight primary and
  metal-to-metal secondary seal
• Peroxide-cured Buna-N (FKM & HNBR optional) Seals
• Generous wrench area on body and hex-head threaded cover for
  easier installation and maintenance
• Full opening
• Suitable for horizontal or vertical flow up
• Below-the-threads cover seal isolates the cover threads from 
  line media
• Metal Nameplate