Class “F” Stainless Steel Blind Flanges

AWWA Class SF Stainless Steel Blind Flanges

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Seal off piping systems with our AWWA Class SF Stainless Steel Blind Flanges (Series SPFBL-F) that meet AWWA C228 specification and ANSI #300 bolt pattern. At atmospheric temperature, this blind flange is pressure rated up to 300psi. 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 300 pattern.Pressure Ratings: 300psi at atmospheric temperature.

Class “E” Stainless Steel Blind Flanges

AWWA Class SE Stainless Steel Blind Flanges

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This AWWA Class SE Stainless Steel Blind Flange (Series SPFBL-E) is manufactured to meet AWWA C228 and ANSI #150 drill pattern specifications. At atmospheric temperature, this blind flange is pressure rated to 275psi. 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: 275psi at atmospheric temperature.

Class “D” Stainless Steel Blind Flanges

AWWA Class SD Stainless Steel Blind Flanges

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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. 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.

Class “D” Stainless Steel Blind Flanges 1986

AWWA 1986 Class SD Stainless Steel Blind Flanges

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Our AWWA 1986 Class SD Stainless Steel Blind Flanges (Series SPFBL-86) comply with American Water Works Association (AWWA) C228-86 specifications and meet ANSI #150 pattern. 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. Manufactured to AWWA C207-1986 dimensional specifications.d. AWWA recommends the use of Dish Assemblies for sizes above 72”. Call API customer service for additional information.

Class “B” Stainless Steel Blind Flanges

AWWA Class SB Stainless Steel Blind Flanges

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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. 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.

Class “F” Stainless Steel Slip-on Flanges

AWWA Class SF Stainless Steel Ring Flanges

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AWWA Class SF Stainless Steel Ring Flanges (Series SPF-F) to meet AWWA C228 specifications and ANSI #300 drill pattern. At atmospheric temperature, this slip-on flange is pressure rated up to 300psi. 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 300 pattern.Pressure Ratings: 300 psi at atmospheric temperature.

Class “E” Stainless Steel Slip-on Flanges

AWWA Class SE Stainless Steel Ring Flanges

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Our AWWA Class SE Stainless Steel Ring Flanges (Series SPF-E) meet AWWA C228 and ANSI #150 specifications. These slip-on flanges are pressure rated up to 275psi at atmospheric temperature. 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.Pressure Ratings: 275psi at atmospheric temperature.

Class “D” Stainless Steel Slip-on Flanges

AWWA Class SD Stainless Steel Ring Flanges

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AWWA Class SD Stainless Steel Ring Flanges (Series SPF-D) meet AWWA C228 specifications and ANSI #150 drill pattern. At atmospheric temperature, this slip-on flange has a pressure rating of 175psi for sizes between 4 and 12 inches, and 150psi for flanges 14 inches and larger. 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.Pressure Ratings: 175psi (4” – 12”) and 150psi (14” and larger) at atmospheric temperature.

Class “B” Stainless Steel Slip-on Flanges

AWWA Class SB Stainless Steel Ring Flanges

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Our AWWA Class SB Stainless Steel Ring Flanges (Series SPF-B) are manufactured to meet AWWA C228 specifications. This flange type matches the #150 drill pattern, and is rated for a maximum 86psi at atmospheric temperature. 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.Pressure Ratings: 86psi at atmospheric temperature.