AWWA Class B Steel Blind Flanges

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Class “B” Steel Blind Flanges

Intended for sealing off piping systems, this AWWA Class B Steel Blind Flange (Series PFBL-B) is manufactured to meet AWWA C207 specifications and complies with ANSI #150 drill pattern requirements. At atmospheric temperature, this blind flange is pressure-rated to 86psi.

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
PFBL0400-B49.00 BLIND7.500.75080.62510.6
PFBL0500-B510.00 BLIND8.500.87580.62513.0
PFBL0600-B611.00 BLIND9.500.87580.68817.6
PFBL0800-B813.50 BLIND11.750.87580.68827.0
PFBL1000-B1016.00 BLIND14.251.000120.68838.5
PFBL1200-B1219.00 BLIND17.001.000120.71967.0
PFBL1400-B1421.00 BLIND18.751.125120.79180.0
PFBL1600-B1623.50 BLIND21.251.125160.892105.0
PFBL1800-B1825.00 BLIND22.751.250160.950132.0
PFBL2000-B2027.50 BLIND25.001.250201.040186.0
PFBL2200-B2229.50 BLIND27.251.375201.132209.0
PFBL2400-B2432.00 BLIND29.501.375201.216268.0
PFBL2600-B2634.25 BLIND31.751.375241.307328.0
PFBL2800-B2836.50 BLIND34.001.375281.398397.0
PFBL3000-B3038.75 BLIND36.001.375281.477488.0
PFBL3200-B3241.75 BLIND38.501.625281.581586.0
PFBL3400-B3443.75 BLIND40.501.625321.661675.0
PFBL3600-B3646.00 BLIND42.751.625321.751790.0
PFBL3800-B3848.75 BLIND45.251.625321.853944.0
PFBL4000-B4050.75 BLIND47.251.625361.9331066.0
PFBL4200-B4253.00 BLIND49.501.625362.0231220.0
PFBL4400-B4455.25 BLIND51.751.625402.1141385.0
PFBL4600-B4657.25 BLIND53.751.625402.1941547.0
PFBL4800-B4859.50 BLIND56.001.625442.2851739.0
PFBL5000-B5061.75 BLIND58.251.875442.3771934.0
PFBL5200-B5264.00 BLIND60.501.875442.4682163.0
PFBL5400-B5466.25 BLIND62.751.875442.5592408.0
PFBL6000-B6073.00 BLIND69.251.875522.8203225.0
PFBL6600-B6680.00 BLIND76.001.875523.0924272.0
PFBL7200-B7286.50 BLIND82.501.875603.3535418.0

Notes:
a. Steel material conforms to the requirements of AWWA C207 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” Steel Blind Flanges - 2013 Specs (86 psi) Drawing