Products > Check Valves

Globe Style Silent Check Valve

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Stainless Steel trim and DINC with single, center-guided disc

Eliminate water hammer with a check valve that operates smoothly and silently itself. The Metraflex #900 Series features a center guided single disc and stainless to stainless seating with special stainless steel spring control to insure positive, noiseless opening and closing.

Metraflex Check Valves are applicable to all water systems:

  • Made in fourteen standard sizes: 2-1/2″ through 30″
  • Work in any position
  • Activated at 1/4 to 1/2 psi
  • Constructed of cast iron body with stainless steel trim or DINC
  • 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.

Note #1: 2-1/2″ through 10″ valves mate to wafer-style butterfly valves without use of spool pieces or other adapters.

Note #2: Specify drillings to meet either 125/150 lb. or 250/300 lb. companion flanges.

FM available

Flanges, gaskets & bolts not furnished

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

METRAFLEX PART NO. Pipe Size Body O.D. Face-to-Face Butterfly Valve
Disc Clearance
Pressure / Temp Weight (lbs) CV Bolt Size No. of Bolts 3D Drawing
CVOSS9025 2.5″ 7″ 5-1/2″ 1-3/16″ 200 PSI @ 150°F 21 110 5/8″ 4 Revit/CAD
CVOSS903 3″ 7.5″ 6″ 1-3/8″ 200 PSI @ 150°F 27 155 5/8″ 4 Revit/CAD
CVOSS904 4″ 9″ 7-1/4″ 1-3/4″ 200 PSI @ 150°F 43 278 5/8″ 8 Revit/CAD
CVOSS905 5″ 10″ 8-1/2″ 2″ 200 PSI @ 150°F 64 435 3/4″ 8 Revit/CAD
CVOSS906 6″ 11″ 9-3/4″ 2-1/2″ 200 PSI @ 150°F 81 625 3/4″ 8 Revit/CAD
CVOSS908 8″ 13.5″ 12-1/2″ 3-1/4″ 200 PSI @ 150°F 140 1115 3/4″ 8 Revit/CAD
CVOSS910 10″ 16″ 15-1/2″ 4-1/4″ 200 PSI @ 150°F 218 1770 7/8″ 12 Revit/CAD
CVOSS912 12″ 19″ 14-1/4″ NA 200 PSI @ 150°F 298 2500 7/8″ 12 Revit/CAD
CVOSS914 14″ 21″ 15-3/4″ NA 150 PSI @ 150°F 408 3400 1″ 12 Revit/CAD
CVOSS916 16″ 23-1/2″ 17-5/8″ NA 150 PSI @ 150°F 513 4400 1″ 16 Revit/CAD
CVOSS918 18″ 25″ 18-3/4″ NA 150 PSI @ 150°F 724 5600 1-1/8″ 16 Revit/CAD
CVOSS920 20″ 27-1/2″ 20-5/8″ NA 150 PSI @ 150°F 890 6900 1-1/8″ 20 Revit/CAD
CVOSS924 24″ 32″ 24″ NA 150 PSI @ 150°F 1220 10000 1-1/4″ 20 Revit/CAD
CVOSS930 30″ 38-3/4″ 29-1/4″ NA 150 PSI @ 150°F 2000 15400 1-1/4′ 28 Revit/CAD
CVOSS936 36″ 46″ 45″ NA 150 PSI @ 150°F 4421 22400 1-1/2″ 32 Revit/CAD

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

METRAFLEX PART NO. Pipe Size Body O.D. Face-to-Face Butterfly Valve
Disc Clearance
Pressure / Temp Weight (lbs) CV Bolt Size No. of Bolts 3D Drawing
CVOSS9525 2.5″ 7.5″ 5-1/2″ 1-7/16″ 400 PSI @ 150°F 30 110 3/4″ 8 Revit/CAD
CVOSS953 3″ 8.25″ 6″ 1-3/8″ 400 PSI @ 150°F 33 155 3/4″ 8 Revit/CAD
CVOSS954 4″ 10″ 7-1/4″ 1-3/4″ 400 PSI @ 150°F 58 278 3/4″ 8 Revit/CAD
CVOSS955 5″ 11″ 8-1/2″ 2″ 400 PSI @ 150°F 143 435 3/4″ 8 Revit/CAD
CVOSS956 6″ 12.5″ 9-3/4″ 2-1/2″ 400 PSI @ 150°F 162 625 3/4″ 12 Revit/CAD
CVOSS958 8″ 15″ 12-1/2″ 3-1/4″ 400 PSI @ 150°F 180 1115 7/8″ 12 Revit/CAD
CVOSS960 10″ 17.5″ 15-1/2″ 4-1/4″ 400 PSI @ 150°F 265 1770 1″ 16 Revit/CAD
CVOSS962 12″ 20-1/2″ 14-1/4″ NA 400 PSI @ 150°F 401 2500 1-1/8″ 16 Revit/CAD
CVOSS964 14″ 23″ 15-3/4″ NA 300 PSI @ 150°F 510 3400 1-1/8″ 20 Revit/CAD
CVOSS966 16″ 25-1/2″ 17-5/8″ NA 300 PSI @ 150°F 700 4400 1-1/4″ 20 Revit/CAD
CVOSS968 18″ 28″ 18-3/4″ NA 300 PSI @ 150°F 959 5600 1-1/4″ 24 Revit/CAD
CVOSS970 20″ 30-1/2″ 20-5/8″ NA 300 PSI @ 150°F 1180 6900 1-1/4″ 24 Revit/CAD
CVOSS974 24″ 36″ 24″ NA 300 PSI @ 150°F 1680 10000 1-1/2″ 24 Revit/CAD
CVOSS980 30″ 43″ 29-1/4″ NA 300 PSI @ 150°F 2375 15400 1-3/4″ 28 Revit/CAD
CVOSS986 36″ 50″ 45″ NA 300 PSI @ 150°F 5511 22400 2″ 32 Revit/CAD

Globe Style Silent Check Valve 125lb Class with Nickel Coated Ductile Iron Trim

METRAFLEX PART NO. Pipe Size Body O.D. Face-to-Face Butterfly Valve
Disc Clearance
Pressure / Temp Weight (lbs) CV Bolt Size No. of Bolts 3D Drawing
CVODINC9025 2.5″ 7″ 5-1/2″ 1-3/16″ 200 PSI @ 150°F 20 110 5/8″ 4 Revit/CAD
CVODINC903 3″ 7.5″ 6″ 1-3/8″ 200 PSI @ 150°F 26 155 5/8″ 4 Revit/CAD
CVODINC904 4″ 9″ 7-1/4″ 1-3/4″ 200 PSI @ 150°F 44 278 5/8″ 8 Revit/CAD
CVODINC905 5″ 10″ 8-1/2″ 2″ 200 PSI @ 150°F 56 435 3/4″ 8 Revit/CAD
CVODINC906 6″ 11″ 9-3/4″ 2-1/2″ 200 PSI @ 150°F 79 625 3/4″ 8 Revit/CAD
CVODINC908 8″ 13-1/2″ 12-1/2″ 3-1/4″ 200 PSI @ 150°F 137 1115 3/4″ 8 Revit/CAD
CVODINC910 10″ 16″ 15-1/2″ 4-1/4″ 200 PSI @ 150°F 223 1770 7/8″ 12 Revit/CAD
CVODINC912 12″ 19″ 14-1/4″ NA 200 PSI @ 150°F 298 2500 7/8″ 12 Revit/CAD

Globe Style Silent Check Valve 250lb Class with Nickel Coated Ductile Iron Trim

METRAFLEX PART NO. Pipe Size Body O.D. Face-to-Face Butterfly Valve
Disc Clearance
Pressure / Temp Weight (lbs) CV Bolt Size No. of Bolts 3D Drawing
CVODINC9525 2.5″ 7-1/2″ 5-1/2″ 1-7/16″ 400 PSI @ 150°F 25 110 3/4″ 8 Revit/CAD
CVODINC953 3″ 8-1/4″ 6″ 1-3/8″ 400 PSI @ 150°F 34 155 3/4″ 8 Revit/CAD
CVODINC954 4″ 10″ 7-1/4″ 1-3/4″ 400 PSI @ 150°F 59 278 3/4″ 8 Revit/CAD
CVODINC955 5″ 11″ 8-1/2″ 2″ 400 PSI @ 150°F 74 435 3/4″ 8 Revit/CAD
CVODINC956 6″ 12-1/2″ 9-3/4″ 2-1/2″ 400 PSI @ 150°F 100 625 3/4″ 12 Revit/CAD
CVODINC958 8″ 15″ 12-1/2″ 3-1/4″ 400 PSI @ 150°F 177 1115 7/8″ 12 Revit/CAD
CVODINC960 10″ 17-1/2″ 15-1/2″ 4-1/4″ 400 PSI @ 150°F 255 1770 1″ 16 Revit/CAD
CVODINC962 12″ 20-1/2″ 14-1/4″ NA 400 PSI @ 150°F 375 2500 1-1/8″ 16 Revit/CAD

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