CHECK VALVES

Wafer Style Silent Check Valves

Eliminate water hammer with a check valve that operates smoothly and silently. The Metraflex #700 Series features a center guided single disc and bronze to bronze seating with special stainless steel spring control to insure positive, noiseless opening and closing.

  • Metraflex Check Valves are applicable to all water systems
  • Rated to both 125 lb. And 250 lb. Flange class
  • Made in eight standard sizes: 2" through 10"
  • Work in any position
  • Activated at 1/4 to 1/2 psi
  • Constructed of cast iron body with bronze or stainless steel trim
  • Compacted into shortest possible face to face dimensions
  • Designed with larger-than-pipe-size flow area for low pressure loss with maximum efficiency.

Intended for liquid service only.

Fits both 250# Class bolt circle and 125# Class bolt circle.

FM approval available

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Wafer Style Silent Check Valve

Check Valve Installation
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Wafer Style Silent Check Valve 125lb Class with Bronze Trim

METRAFLEX PART NO. Pipe Size O.D. Face-to-Face Pressure / Temp Weight (lbs) CV Bolt Size No. of Bolts 3D
Drawing
CVO702  2" 4-1/4" 2-5/8" 200 PSI @ 150°F 6 66 5/8" 4 CAD
CVO7025 2.5" 5" 2-7/8" 200 PSI @ 150°F 8 88 5/8" 4 CAD
CVO703 3" 5-3/4" 3-1/8" 200 PSI @ 150°F 11 130 5/8" 4 CAD
CVO704 4" 7" 4" 200 PSI @ 150°F 20 228 5/8" 8 CAD
CVO705 5" 8-3/8" 4-5/8" 200 PSI @ 150°F 29 350 3/4" 8 CAD
CVO706 6" 9-3/4" 5-1/2" 200 PSI @ 150°F 44 520 3/4" 8 CAD
CVO708 8" 13-3/8" 6-1/2" 200 PSI @ 150°F 79 900 3/4" 8 CAD
CVO710 10" 16" 8-1/4" 200 PSI @ 150°F 120 1450 7/8" 12 CAD

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Wafer Style Silent Check Valve 250lb Class with Bronze Trim

METRAFLEX PART NO. Pipe Size O.D. Face-to-Face Pressure / Temp Weight (lbs) CV Bolt Size No. of Bolts 3D
Drawing
CVO758 8" 13-3/8" 6-1/2" 400 PSI @ 150°F 84 900 7/8" 12 CAD
CVO760 10" 16" 8-1/4" 400 PSI @ 150°F 93 1450 1" 16 CAD

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Wafer Style Silent Check Valve 125lb Class with Stainless Steel Trim

METRAFLEX PART NO. Pipe Size O.D. Face-to-Face Pressure / Temp Weight (lbs) CV Bolt Size No. of Bolts 3D
Drawing
CVOSS702 2" 4-1/4" 2-5/8" 200 PSI @ 150°F 6 66 5/8" 4 CAD
CVOSS7025 2.5" 5" 2-7/8" 200 PSI @ 150°F 8 88 5/8" 4 CAD
CVOSS703 3" 5-3/4" 3-1/8" 200 PSI @ 150°F 11 130 5/8" 4 CAD
CVOSS704 4" 7" 4" 200 PSI @ 150°F 20 228 5/8" 8 CAD
CVOSS705 5" 8-3/8" 4-5/8" 200 PSI @ 150°F 29 350 3/4" 8 CAD
CVOSS706 6" 9-3/4" 5-1/2" 200 PSI @ 150°F 44 520 3/4" 8 CAD
CVOSS708 8" 13-3/8" 6-1/2" 200 PSI @ 150°F 79 900 3/4" 8 CAD
CVOSS710 10" 16" 8-1/4" 200 PSI @ 150°F 120 1450 7/8" 12 CAD

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Wafer Style Silent Check Valve 250lb Class with Stainless Steel Trim

METRAFLEX PART NO. Pipe Size O.D. Face-to-Face Pressure / Temp Weight (lbs) CV Bolt Size No. of Bolts 3D
Drawing
CVOSS758 8" 13-3/8" 6-1/2" 400 PSI @ 150°F 84 900 7/8" 12 CAD
CVOSS760 10" 16" 8-1/4" 400 PSI @ 150°F 93 1450 1" 16 CAD

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Wafer Style Silent Check Valve 125lb Class with Buna Seat

METRAFLEX PART NO. Pipe Size O.D. Face-to-Face Pressure / Temp Weight (lbs) CV Bolt Size No. of Bolts 3D
Drawing
CVOBN702 2" 4-1/4" 2-5/8" 200 PSI @ 150°F 6 66 5/8" 4 CAD
CVOBN7025 2.5" 5" 2-7/8" 200 PSI @ 150°F 8 88 5/8" 4 CAD
CVOBN703 3" 5-3/4" 3-1/8" 200 PSI @ 150°F 11 130 5/8" 4 CAD
CVOBN704 4" 7" 4" 200 PSI @ 150°F 20 228 5/8" 8 CAD
CVOBN705 5" 8-3/8" 4-5/8" 200 PSI @ 150°F 29 350 3/4" 8 CAD
CVOBN706 6" 9-3/4" 5-1/2" 200 PSI @ 150°F 44 520 3/4" 8 CAD
CVOBN708 8" 13-3/8" 6-1/2" 200 PSI @ 150°F 79 900 3/4" 8 CAD
CVOBN910 10" 16" 8-1/4" 200 PSI @ 150°F 120 1450 7/8" 12 CAD

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Wafer Style Silent Check Valve 250lb Class with Buna Seat

METRAFLEX PART NO. Pipe Size O.D. Face-to-Face Pressure / Temp Weight (lbs) CV Bolt Size No. of Bolts 3D
Drawing
CVOBN758 8" 13-3/8" 6-1/2" 400 PSI @ 150°F 84 900 7/8" 12 CAD
CVOBN760 10" 16" 8-1/4" 400 PSI @ 150°F 93 1450 1" 16 CAD

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