ASME B16.48 Forged Spectacle Blind Spacer Ring Paddle Blind Alloy 800HT

ASME B16.48 Forged Spectacle Blind Spacer Ring Paddle Blind Alloy 800HT

Dimensions Spectacle Blinds – ASME B16.48

Pressure Class 150

General notes:

• Dimensions are in millimeters unless otherwise indicated.
• D = Hole size (where required) should be the same as the flange bolt hole. In practice, these dimensions have been rounded round off upwards.
• Wt = Thickness of the web (or tie bar) should be 6 mm minimum, or equal to Thickness (t) if less than 6 mm.
• Spectacle Blinds should be made from a plate or forging specification, approved for use by ASME B31.3, of essentially the same chemical composition as the mating flanges and piping involved.
• Spectacle Blinds according to ASME B16.48 may be used for installation between ASME B16.5 flanges
• Depending on a customer specification, some dimensions can be different from what on this page is defined.

Dimensions of Spades & Ring Spacers – ASME B16.48

Pressure Class 150

General notes:

• Dimensions are in millimeters unless otherwise indicated.
• Spade Handles shall be solid with NO openings.

These Flanges are available in the following range:

• Stainless Steel: ASTM a182 F304, F304L, F304H, F316, F316L, F316Ti, F310, F310S, F321, F321H, F317, F347, F347H, F904L.
• Duplex Stainless Steel: UNS S31803, UNS S32750
• Carbon Steel: ASTM a105,
• Alloy Steel: ASTM a182 F1, F11, F22, F5, F9, F91
• Nickel Alloys: Monel 400 & 500, Inconel 600 & 625, Incoloy 800, 825, Hastelloy C22, C276
• Copper Alloys: Copper, Brass & Gunmetal
• Size: 1/8″ NB TO 48″NB.
• Class: 150#, 300#, 400#, 600#, 900#, 1500#, 2500#

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