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Black Coated, Spectacle Blind Flange, RF, Class 1500, ASME B16.48, ASTM A694 F60

Black Coated, Spectacle Blind Flange, RF, Class 1500, ASME B16.48, ASTM A694 F60

 

Forged SPECTACLE BLIND FLANGE ( FIGURE-8 BLIND FLANGE ) Manufacturer Changrun Supplies Forged Spectacle Flanges, DN15-DN2000 (1/2-80 Inch), 150-2500 LB (PN6-PN420). Flange face: RF, FF, RTJ, TF, GF. Material: ASTM A694 F60. Certificates: CE, ISO, PED, TS, BV, CQC.

spectacle blind flange (figure-8 blind flange) is a specialty flange made of two metal discs attached in the middle by a small section of steel. Spectable flanges get their name because they look like a pair of reading glasses, or spectacles. Spectacle flanges, also known as spectacle blind flanges, are most commonly used on piping systems that need to be separated regularly or where the flow through the systems is regularly stopped. One end of the spectacle flange is solid, while the other end has a hole in the center. The spectacle flange can be rotated to place either the solid or hollow end within the pipe system, thereby opening or closing the flow.

 

 

ASME B16.48 Class 1500 FF/ RF

 

 

Specification:

Size Range: DN15-DN2000, 1/2 Inch-80 Inch 

Face Finish: RF, FF, RTJ, TF, GF

Standard & Pressure Ratings:  

1. ANSI/ASME/ASTM B16.5/B16,47: 150 LB, 300 LB, 600 LB, 900 LB, 1500 LB, 2500 LB

2. DIN/UNI: PN6, PN10, PN16, PN25, PN40, PN64

 

 

Material:  

A. Carbon Steel: ASTM A105, ASTM A350 LF1, ASTM A350 LF2, S235JR, P245GH, P250GH, P280GH, ASTM A694 F42, ASTM A694 F46, ASTM A694 F52, ASTM A694 F56, ASTM A694 F60, ASTM A694 F65, ASTM A694 F70, etc

B. Stainless Steel: ASTM A182 F304, ASTM A182 F304L, ASTM A182 F304H, ASTM A182 F316, ASTM A182 F316L, ASTM A182 F317, ASTM A182 F317L, ASTM A182 F321, ASTM A182 F310, ASTM A182 F347, etc.

C. Alloy Steel: ASTM A182 F1, ASTM A182 F5, ASTM A182 F9, ASTM A182 F11, ASTM A182 F22, ASTM A182 F91, etc.

D. Duplex and super duplex steel: ASTM A815 UNS S31803, ASTM A815 UNS S32205, ASTM A815 UNS S32750, ASTM A815 UNS S32760  

 

 

Service:

Surface Treatment: Black painting, anti-rust varnish, anti-rust oil, hot-galvanized

Non-destructive Testing: penetration test, ultrasonic test, radiographic test

Certificate: CE, ISO, PED, TS, BV, CQC Certificate

Packing: Plywood Case or Pallet

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