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Brass Check Valves
High capacity, inline
Size 1/4" - 2" 400 WOG, 2-1/2" - 4" 175 WOG
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Be sure to check out the brand comparison chart at the bottom of this page. The Bonomi brass check valves we sell come in more sizes, have
more and better features and cost less than the competition.
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Characteristics & Features:
- Soft seat for bubble tight shutoff, spring loaded for fast seating action
- Compact design
- Low cracking pressure, 1/2 psi
- Flow profile designed to minimize head loss
- Perfect seating both at high and low pressure, wide temperature range: +10° to 210° F
- Polyethermide disc to ensure the best resistance for corrosion and abrasion
- Patented disc guide to prevent any side loading
- Connection: FNPT x FNPT
- Click here to see these products in our online store
Brass In-Line Check Valve Price Comparison (March 2010)
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Brand Name>>
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Bonomi (ours)
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NIBCO
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Conbraco
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Watts
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Size Range
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1/4" - 4"
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3/8" - 2"
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1/4" - 3"
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1/4" - 2"
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Minimum opening pressure (cracking)
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0.5psi
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2.0psi
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0.5psi
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1.0psi
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Body pressure rating
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400psi*
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250psi
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400psi
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400psi
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Bubble tight seating at low operating pressures?
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Yes
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Yes
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No
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No
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NSF-61 certified?
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Yes
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No
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No
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No
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Well service usage?
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Yes
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No
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No
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No
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Full or reduced
port opening?
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Full
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Reduced
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Reduced
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Reduced
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Prices**
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Bonomi (ours)
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NIBCO
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Conbraco
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Watts
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1/4"
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$6.18 (NBR)
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N/A
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$25.91
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$17.75
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3/8"
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$6.18 (NBR)
$6.28 (Viton)
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$18.20
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$25.91
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$17.75
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1/2"
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$7.30 (NBR)
$7.46 (Viton)
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$19.84
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$25.91
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$17.75
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3/4"
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$10.06 (NBR)
$10.58 (Viton)
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$24.38
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$36.78
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$23.50
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1"
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$13.42 (NBR)
$13.76 (Viton)
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$33.48
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$50.58
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$32.05
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1-1/4"
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$21.24 (NBR)
$22.22 (Viton)
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$41.69
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$88.08
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$45.85
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1-1/2"
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$31.44 (NBR)
$35.30 (Viton)
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$54.46
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$112.41
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$56.80
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2"
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$43.14 (NBR)
$44.18 (Viton)
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$78.35
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$182.97
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$85.40
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2-1/2"
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$96.36 (NBR)
$98.48 (Viton)
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N/A
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$396.02
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N/A
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3"
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$132.96 (NBR)
$135.40 (Viton)
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N/A
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$624.42
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N/A
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4"
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$216.66 (NBR)
$221.00 (Viton)
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N/A
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N/A
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N/A
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* Pressure rating for 1/4" through 2" sizes. 2-1/2" and larger rated 175psi.
** Pricing varies. These are the manufacturers' list prices for our competitors and the price
we sell for in our web store. What you would actually pay (street prices) would depend on the reseller, but our research shows that Bonomi is consistently a MUCH better value.
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