ASME B16.48 F51 RTJ Spectacle Blind Flange 4 Inch 2500LBS

Quick Details

• Size: 4" (DN100)

• Material: F51 (2205/UNS S31803/UNS S32205)

• Place of Origin: Zhejiang, China (Mainland)

• Brand Name: Tanell

• Standard or Nonstandard: Standard

• Technics: Forged

• Standard: ASME B16.48

• Type: F51 RTJ Spectacle Blind Flange

Packaging & Delivery

Packaging Details:	Seaworthy plywood case or as customer requests
Delivery Detail:	2 - 10 days after receiving the deposit

Specifications

ASME B16.48 F51 RTJ Spectacle Blind Flange 4 Inch CL600 2500LBS
1. Material: F51 (2205/UNS S31803/UNS S32205)

2. Size: 4" (DN100)

3. Standard: ASME B16.48

4. Pressure: 2500#

Spectacle blind flange, is made by a steel spade and spacer, united by a welded handle. Spectacle blind may have a different type of joint face (RR Raised Face, FF Flat Face, RTJ Ring Joint), depending the type of flange.

The rtj spectacle blind flange is usually used on the oil line with two different function:

If the spade is put in between the flanges, it stops the fluid’s passage;

If the spacer is put in between the flanges, the passage of the fluid is allowed.

The rtj spectacle blind flange is inserted between two flanges: in order to guarantee a perfect waterlight two gaskets are normally mounted, one on each side of rtj spectacle blind flange.

China Spectacle Blind Manufacturer Tanell supplies ASME B16.48 F51 RTJ Spectacle Blind Flange, 4 Inch, 2500LBS.

Composition ranges for 2205 (F51) grade stainless steels

Grade		C	Mn	Si	P	S	Cr	Mo	Ni	N
2205 (S31803)	Min Max	- 0.030	- 2.00	- 1.00	- 0.030	- 0.020	21.0 23.0	2.5 3.5	4.5 6.5	0.08 0.20
2205 (S32205)	Min Max	- 0.030	- 2.00	- 1.00	- 0.030	- 0.020	22.0 23.0	3.0 3.5	4.5 6.5	0.14 0.20

A spectacle blind flange is machined from a single piece of metal that is cut to match the pipe size, fit between two pipe flanges and requires an additional gasket when it is installed. Also, the bolts will need to be lengthened depending on what piping class and size blind is used. The thickness of the spectacle blind is specified based on the line pressure and pipe size.

The specification that determines the dimensions of a spectacle blinds is ASME B16.48 - Line Blanks.

STANDARDS

ASME Standards

ASME B16.5 - Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard

ASME B16.20 - Metallic Gaskets for Pipe Flanges: Ring-Joint, Spiral-Wound, and Jacketed

ASME B16.47 - Large Diameter Steel Flanges: NPS 26 Through NPS 60 Metric/Inch Standard

ASME B16.48 - Line Blanks

Applications Of ASME B16.48 F51 RTJ Spectacle Blind Flange:            

1. petrochemical industry

2. Pharmaceutical industry

3. Food industry

4. Aviation and aerospace industry

5. Architectural decoration industry

6. Oil and gas industry

Other Features:

1) Chemical and Physical characteristic: durable, corrosion resistant and high-temperature resistant

2) We also produce flange with special specifications according to customers’ requirements;

Packing

1) Packing Method:

Normal packing: Plastic film or bubble paper wrapped, endings protect by caps,

then into wooden case or load on fumigation plywood pallet.

Custom product: As per your request.

2) Shipping:

By Sea, By Air, By Train or River-and-Sea Coordinated Transport, according to your request.

Where can we find the high quality ASME B16.48 F51 RTJ Spectacle Blind Flange 4 Inch 2500LBS.