AWWA Class SB Stainless Steel Blind Flanges

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

Our AWWA Class SB Stainless Steel Blind Flanges (Series SPFBL-B) are intended for blocking off pipe or nozzle ends. These blind pipe flanges are manufactured to AWWA C228 specifications and ANSI #150 drill pattern, and are pressure rated to 86psi 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-B49.00BLIND7.500.75080.62511.0
SPFBL0500-B510.00BLIND8.500.87580.62513.0
SPFBL0600-B611.00BLIND9.500.87580.68818.0
SPFBL0800-B813.50BLIND11.750.87580.68827.0
SPFBL1000-B1016.00BLIND14.251.000120.68838.0
SPFBL1200-B1219.00BLIND17.001.000120.71956.0
SPFBL1400-B1421.00BLIND18.751.125120.79175.0
SPFBL1600-B1623.50BLIND21.251.125160.892105.0
SPFBL1800-B1825.00BLIND22.751.250160.950126.0
SPFBL2000-B2027.50BLIND25.001.250201.040167.0
SPFBL2200-B2229.50BLIND27.251.375201.132209.0
SPFBL2400-B2432.00BLIND29.501.375201.216267.0
SPFBL2600-B2634.25BLIND31.751.375241.307327.0
SPFBL2800-B2836.50BLIND34.001.375281.398397.0
SPFBL3000-B3038.75BLIND36.001.375281.477475.0
SPFBL3200-B3241.75BLIND38.501.625281.581586.0
SPFBL3400-B3443.75BLIND40.501.625321.661675.0
SPFBL3600-B3646.00BLIND42.751.625321.751790.0
SPFBL3800-B3848.75BLIND45.251.625321.853944.0
SPFBL4000-B4050.75BLIND47.251.625361.9331066.0
SPFBL4200-B4253.00BLIND49.501.625362.0231220.0
SPFBL4400-B4455.25BLIND51.751.625402.1141385.0
SPFBL4600-B4657.25BLIND53.751.625402.1941547.0
SPFBL4800-B4859.50BLIND56.001.625442.2851739.0
SPFBL5000-B5061.75BLIND58.251.875442.3771934.0
SPFBL5200-B5264.00BLIND60.501.875442.4682163.0
SPFBL5400-B5466.25BLIND62.751.875442.5592408.0
SPFBL6000-B6073.00BLIND69.251.875522.8203225.0
SPFBL6600-B6680.00BLIND76.001.875523.0924272.0
SPFBL7200-B7286.50BLIND82.501.875603.3535418.0

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: 86psi at atmospheric temperature.

AWWA Class “B” Stainless Steel Blind Flanges (86 psi)-Drawing