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Home ProductsSpectacle Blind Flange

Nickel Alloy Spectacle Blind Flange , ASME B16.48 Hastelloy C276 Flanges

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Nickel Alloy Spectacle Blind Flange , ASME B16.48 Hastelloy C276 Flanges

Nickel Alloy Spectacle Blind Flange , ASME B16.48 Hastelloy C276 Flanges
Nickel Alloy Spectacle Blind Flange , ASME B16.48 Hastelloy C276 Flanges Nickel Alloy Spectacle Blind Flange , ASME B16.48 Hastelloy C276 Flanges

Large Image :  Nickel Alloy Spectacle Blind Flange , ASME B16.48 Hastelloy C276 Flanges

Product Details:

Place of Origin: China
Brand Name: BoYue
Certification: ISO,BV,SGS
Model Number: BYSBF00003

Payment & Shipping Terms:

Minimum Order Quantity: 1 pcs
Price: Negotiable
Packaging Details: PLY-WOODEN CASE OR PALLET
Delivery Time: 10-100 days depending on quantity
Payment Terms: L/C, T/T, Western Union
Supply Ability: 40000pcs per month
Detailed Product Description
SIZE: 1/2" - 24" PROCESS: FORGED
CLASS RATING: 150#300#600#900#1500#2500# SEALING FACE: RF FF RTJ
FACE FINISH: SMOOTH /STOCK FINISH PRODUCT NAME: RF FF RTJ 150#-2500# 1/2"-24" MONEL 400 FLANGE AS PER ASME B16.5
APPLICATION: CHEMICAL /OIL/GAS/ENERGY STANDARD: ANSI/ASTM/ASME
High Light:

spec blind flange

,

figure 8 spectacle blind

Spectacle Blind Nickel Alloy Flanges ASME B16.48 Hastelloy C-276 Material Size 2'-24'

 

1. What is Spectacle Blind or figure 8 blind?

Spectacle blind is pressure retaining plate with one solid end and one open end connected with small nose piece (small tie bar). Now, look at the image of this blind. As it resembles a pair of eyeglasses or numeric number Eight, Spectacle blind is also known as a figure 8 blind and sometimes refer collectively as figure 8 spectacle blind.

 

Nickel Alloy Spectacle Blind Flange , ASME B16.48 Hastelloy C276 Flanges 0

2. Paddle blank or Spade or Slip Blind

Paddle blank or spade is similar to the solid end of the spectacle blind. A handle is welded with the spec blind. See the image.

Nickel Alloy Spectacle Blind Flange , ASME B16.48 Hastelloy C276 Flanges 1

3. Paddle Spacer or Spacer Ring

Paddle blank or spacer ring is similar to the open end of the spectacle blind. A handle is welded with the blank. See the image.

Nickel Alloy Spectacle Blind Flange , ASME B16.48 Hastelloy C276 Flanges 2

4. Use of Spectacle Blind, Spades and Spacers

Spectacle Blind, Spades and Spacers are used to provide flexibility during maintenance an operation. Therefore, it is essential to consider this during design of Piping system. Blanks are installed in horizontal line. In general, you can see the use of spectacle blind flange at following location;

. At inlets and outlets of static equipment

. At inlets and outlets of rotary equipment

. At inlets and outlets of fired heater and common headers

. In bypass line

. At unit battery limit

 

5. Spectacle Blind Flange Class & Types

ASME B16.48 standard that covers Line Blanks. This standard covers the Spectacle Blind, Spades and Spacers with pressure class 150, 300, 600, 900, 1500, and 2500 as listed in ASME B16.5.

 

6. Spec blinds are available in the following face type;

. Raised Face

. Female Ring-Joint Blanks

. Male Ring-Joint Blanks

 

7. More Information about C276

Hastelloy Alloy C276 Pipe Flanges Chemical Composition

Grade C Mn Si S Co Ni Cr Fe Mo P
C276 0.010 max 1.00 max 0.08 max 0.03 max 2.50 max 50.99 min* 14.50 – 16.50 4.00 – 7.00 15.00 – 17.00 0.04 max

 

Hastelloy C276 Plate Flanges Mechanical Properties

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Hastelloy C276 8.89 g/cm3 1370 °C (2500 °F) Psi – 1,15,000 , MPa – 790 Psi – 52,000 , MPa – 355 40 %

Equivalent Grades for C276 Hastelloy Industrial Pipe Flanges

STANDARD WERKSTOFF NR. UNS JIS GOST EN OR
Hastelloy C276 2.4819 N10276 NW 0276 ХН65МВУ NiMo16Cr15W ЭП760

 

8. Hastelloy Flange Standards / Types And Pressure Class :

ASME/ANSI B 16.5 Welding Neck Flange, Slip on Flange, Blind Flange, High Hub Blind Flange, Socket Weld Flange, Lap Joint Flange, Threaded Flange, Ring Type Joint Flange
PRESSURE CLASS 150, 300, 400, 600, 900, 1500, 2500
ASME/ANSI B 16.47 Welding Neck Flange, Blind Flange [Series A & B]
PRESSURE CLASS 75, 150, 300, 400, 600, 900
ASME/ANSI B 16.36 Welding Neck Flange, Slip on Flange, Threaded Flange
PRESSURE CLASS 300, 400, 600, 900, 1500, 2500
BS 4504 SEC 3.1 Welding Neck Flange, Hubbed Slip on Flange, Hubbed Threaded Flange, Lapped Pipe End Flange, Plate Flange, Loose Plate Flange, Loose Plate With Weld Neck Flange, Blank Flange
PRESSURE CLASS PN 2.5 TO PN 40
BS 4504[PART 1] Welding Neck Flange, Hubbed Slip-On Hubbed Threaded, Plate Flange, Loose Plate With Weld On Plate Collar, Blank Flange
PRESSURE CLASS PN 2.5 TO PN 400
BS 1560 BOSS Welding Neck Flange, Socket Welding Flange, Slip-On Flange, Blind Flange, Screwed Boss Flange, Lapped Flange
PRESSURE CLASS 150, 300, 400, 600, 900, 1500, 2500
BS10 Welding Neck Flange, Plate Slip-On Flange, Screwed Boss Flange, Slip-On Boss Flange, Blind Flange
TABLE D, E, F, H
DIN FLANGES DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673
PRESSURE CLASS PN 6 TO PN 100

Product Attribute

 

Place of Origin China Brand Name BOYUE
Standard ANSI, ISO, ASME, DIN, ASTM Type Spectacle Blind Flange
ModelNumber Hastelloy C-276 Thickness #150,#300,#600,.#900,#1500,#2500
Packing Ply-Wood Cases Payment 30%TT+70% Balance

 

Supply Ability:40000Pieces / per Month

Packaging & Delivery

Packaging Details:Generally plywooden case or following customer's requirement.

Port:Shanghai/Tianjin

 

Commerce Clause

 

Minimum Order Quantity: 1pcs
Price: Depending on quantity
Payment Terms: T/T or Western Union or LC
Supply Ability: 40000pcs per month
Delivery Time: 10-100 days depending on quantity
Packaging Details: PLY-WOODEN CASE OR PALLET

Why Choose Us

1. One-Stop Service,One Single Source.

2. No MOQ.

3. Best quality,competitive price

4. Fast Reply.

5. On-Time Delivery

6. Professional sales and technical team .

 

FAQ

 

Q1: Are you a factory or a trade company?
A1: We are a professional manufacturer for designing and producing of Large-size products.(View Mor)

Q2: Do you make customized products or finished parts?
A2: All parts are custom made only, and in stock, we can produce based on your drawings.

Q3: Will my drawing be safe after you get it?
A3: Yes, we will not release your design to third party unless with your permission.

Q4: What is the MOQ?
A4: Small order is acceptable, but the more, the cheaper.


Q5: How about the samples?
A5: We are happy to make prototype part or sample for clients to ensure quality standard, but it’s charged according to your drawing.

Contact Details
BoYue Industrial (Shanghai)Co., Ltd.

Contact Person: david

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