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Your Location: Home > Types of Flanges > Spectacle Blind Flanges > ASME B16.48 Class 2500 Spectacle Blind Flanges
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ASME B16.48 Class 2500 Spectacle Blind Flanges

  • FOB PriceUSD 1 - 1,900/Piece
  • PortNingbo or Shanghai Port
  • MOQ1 Piece
  • Supply Ability1000 Pieces Per Day
  • Payment TermsL/C,T/T,Western Union,MoneyGram
  • PackagingSeaworthy plywood cases or pallets
  • Delivery2 - 10 days

Detailed description
Specification:

Size: 1/2" (DN15) - 100" (DN2500)

Brand Name: Yaang

Class: 2500 LBS
Type: Spectacle Blind Flange, Spectacle Flange
Specialize: As per drawing


Standard:
ANSI/ASME:
ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
DIN:
DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
B.S:

BS4504, BS4504, BS1560, BS10, etc


A Spectacle Blind Flange allows you to be absolutely sure that an item of equipment is properly and securely blanked off with no possibility of any flow or leakage through a valve during maintenance.

The flow can be diverted to other items of equipment but not just bypassed around the blank as this would compromise the safety function of the Spectacle Blind. The flow has to valve off and pressure relieved prior to loosening Flange bolts and swinging the blind.


ASME B16.48 Spectacle Blind Flanges

ASME B16.48 Class 150 Spectacle Blind Flanges

ASME B16.48 Class 300 Spectacle Blind Flanges

ASME B16.48 Class 600 Spectacle Blind Flanges

ASME B16.48 Class 900 Spectacle Blind Flanges

ASME B16.48 Class 1500 Spectacle Blind Flanges

ASME B16.48 Class 2500 Spectacle Blind Flanges


Spectacle Blind Flanges Material & Grades:

Stainless Steel Spectacle Blind Flanges: ASTM A182, A240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L

Carbon Steel Spectacle Blind Flanges: ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F70

Alloy Steel Spectacle Blind Flanges: ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91

Duplex Steel Spectacle Blind Flanges: ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61

Super Duplex Spectacle Blind Flanges: ASTM / ASME A/SA 182, A240 F 44, F 45, F51, F 53, F 55, F 60, F 61

Nickel Alloy Spectacle Blind Flanges: Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), etc

Copper Alloy Spectacle Blind Flanges: UNS No. C10100, 10200, 10300, 10800, 12000, 12200, 70600, 71500, UNS No. C 70600 (Cu -Ni- 90/10), C 71500 (Cu-Ni-70/30)

Low Temperature Carbon Steel Spectacle Blind Flanges: ASTM A350, LF2, LF3


Applications Of ASME B16.48 Class 2500 Spectacle Blind Flanges

ASME B16.48 Class 2500 Spectacle Blind Flanges are used in Chemical and petrochemical processing.

ASME B16.48 Class 2500 Spectacle Blind Flanges are used in electronics.

ASME B16.48 Class 2500 Spectacle Blind Flanges are used in processing equipment for maintaining product purity in handling foods, synthetic fibers.

ASME B16.48 Class 2500 Spectacle Blind Flanges are used in marine and offshore engineering.


Characteristics of ASME B16.48 Class 2500 Spectacle Blind Flanges

ASME B16.48 Class 2500 Spectacle Blind Flanges are highly resistant to various reducing chemicals.

ASME B16.48 Class 2500 Spectacle Blind Flanges are excellent resistance to caustic alkalies.

ASME B16.48 Class 2500 Spectacle Blind Flanges are high electrical conductivity.

ASME B16.48 Class 2500 Spectacle Blind Flanges are excellent corrosion resistance to distilled and natural waters.

ASME B16.48 Class 2500 Spectacle Blind Flanges are resistance to neutral and alkaline salt solutions.

ASME B16.48 Class 2500 Spectacle Blind Flanges are excellent resistance to dry fluorine.

ASME B16.48 Class 2500 Spectacle Blind Flanges are widely used to handle caustic soda.

ASME B16.48 Class 2500 Spectacle Blind Flanges are good thermal, electrical and magnetostrictive properties.

ASME B16.48 Class 2500 Spectacle Blind Flanges offer some resistance to hydrochloric and sulfuric acids at modest temperatures and concentrations.


Dimensions of ASME B16.48 Class 2500 Spectacle Blind Flanges

Dimensions of ASME B16.48 Spectacle Blind Flanges

NPS  Outside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W
1/2 67 16 90 9.7 38
3/4 73 21 95 9.7 41
1 83 27 110 9.7 64
102 35 130 12.7 64
114 41 145 15.7 70
2 143 53 170 15.7 70
165 63 195 19.1 76
3 194 78 230 22.4 76
4 232 102 275 28.4 89
5 276 128 325 35.1 89
6 314 154 370 41.1 89
8 384 198 440 53.8 102
10 473 248 540 66.5 114
12 546 289 620 79.2 114
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