AWWA Class SD Stainless Steel Blind Flanges

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Class “D” Stainless Steel Blind Flanges (Series SPFBL-D)

AWWA Class SD Stainless Steel Blind Flanges (Series SPFBL-D) are manufactured to meet American Water Works Association (AWWA) C228 specifications. This blind flange type matches the ANSI #150 drill pattern and offers pressure ratings of 175psi for 4- to 12-inch sizes, and 150psi for flanges 14 inches and larger at atmospheric temperature.

ALL DIMENSIONS ARE IN INCHES UNLESS OTHERWISE STATED
API Part NumberSizeO.D.I.D.Ø B.H.C.Ø B.H.# B.H.THKWeight Lbs
SPFBL0400-D49.00 BLIND7.500.75080.62511.0
SPFBL0500-D510.00 BLIND8.500.87580.65013.0
SPFBL0600-D611.00 BLIND9.500.87580.69318.0
SPFBL0800-D813.50 BLIND11.750.87580.81331.0
SPFBL1000-D1016.00 BLIND14.251.000120.95352.0
SPFBL1200-D1219.00 BLIND17.001.000121.11787.0
SPFBL1400-D1421.00 BLIND18.751.125121.133107.0
SPFBL1600-D1623.50 BLIND21.251.125161.265150.0
SPFBL1800-D1825.00 BLIND22.751.250161.331178.0
SPFBL2000-D2027.50 BLIND25.001.250201.448234.0
SPFBL2200-D2229.50 BLIND27.251.375201.568290.0
SPFBL2400-D2432.00 BLIND29.501.375201.661365.0
SPFBL2600-D2634.25 BLIND31.751.375241.786447.0
SPFBL2800-D2836.50 BLIND34.001.375281.906542.0
SPFBL3000-D3038.75 BLIND36.001.375282.008647.0
SPFBL3200-D3241.75 BLIND38.501.625282.150798.0
SPFBL3400-D3443.75 BLIND40.501.625322.252916.0
SPFBL3600-D3646.00 BLIND42.751.625322.3701071.0
SPFBL3800-D3848.75 BLIND45.251.625322.5061277.0
SPFBL4000-D4050.75 BLIND47.251.625362.6091439.0
SPFBL4200-D4253.00 BLIND49.501.625362.7291648.0
SPFBL4400-D4455.25 BLIND51.751.625402.8491867.0
SPFBL4600-D4657.25 BLIND53.751.625402.9522082.0
SPFBL4800-D4859.50 BLIND56.001.625443.0722340.0
SPFBL5000-D5061.75 BLIND58.251.875443.1962600.0
SPFBL5200-D5264.00 BLIND60.501.875443.3152906.0
SPFBL5400-D5466.25 BLIND62.751.875443.4353235.0
SPFBL6000-D6073.00 BLIND69.251.875523.7794328.0
SPFBL6600-D6680.00 BLIND76.001.875524.1365719.0
SPFBL7200-D7286.50 BLIND82.501.875604.4807245.0

Notes:
a. Dual grade 304/304L & 316/316L Stainless Steel material conforms to the requirements of AWWA C228 specifications. Other material is available upon request.
b. Meets ANSI class 150 pattern.
c. AWWA recommends the use of Dish Assemblies for sizes above 72”. Call API customer service for additional information.
Pressure Ratings: 175psi (4” – 12”) and 150psi (14” and larger) at atmospheric temperature.

AWWA Class “D” Stainless Steel Blind Flanges (150-175 psi)-Drawing