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Titanium Flange Spectacle Blinds

Model / Specifications:8 Blanks Spectacle Blinds

Price Range:US $0.2 - 10 / Piece

Size:1/2"-24"

Material:titanium

Standard:DIN

Brand Name:BODA

Details: Titanium Figure( 8 Blanks Spectacle Blinds) Professional technical team. Quick service Humane attitude...Place of Origin: CN;SHA

Baoji Boda Metal Material Co., Ltd.

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Titanium Figure( 8 Blanks Spectacle Blinds)

Model / Specifications:8 Blanks Spectacle Blinds

Price Range:US $0.2 - 10

Size:1/2"-24"

Material:titanium

Standard:DIN

Brand Name:BODA

Details: Titanium Figure( 8 Blanks Spectacle Blinds) Professional technical team. Quick service Humane attitude...

Baoji Boda Metal Material Co., Ltd.

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Titanium Flange( 8 Blanks Spectacle Blinds)

Model / Specifications:8 Blanks Spectacle Blinds

Price Range:US $0.2 - 10

Size:1/2"-24"

Material:titanium

Standard:DIN

Brand Name:BODA

Details: Titanium Figure( 8 Blanks Spectacle Blinds) Professional technical team. Quick service Humane attitude...

Baoji Boda Metal Material Co., Ltd.

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China (Mainland)China (Mainland)

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Spectacle Blinds, Single Blinds, Ring Spacers, 900# - 2500#

Price Range:$4-1000

Details: Product Description: Spectacle Blinds, Single Blinds, Ring Spacers, 900# - 2500# Diameter range: 1/2'' ~60'' (DN15~1500) Pressure class: 150 - 2, ...

Cangzhou yongwang Pipeline Manufacture Co.,Ltd

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Spectacle Blind A516 Gr60

Model / Specifications:A516 Gr60

Price Range:USD$10-1000

Details: spectacle blinds consist of a ring (spacer) and a plate (spade). In the event of an item of equipment being shut down, the plate covers the ring t...

Cangzhou yongwang Pipeline Manufacture Co.,Ltd

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Spectacle Blinds, Spades and Spacers

Model / Specifications:ASME B16.48

Price Range:$1-1000

Details: Product Description: Spectacle Blinds, Spades and SpacersDiameter range: 1/2'' ~60'' (DN15~1500) Pressure class: 150 - 2, 500Lbs Material: Carbon ...

Cangzhou yongwang Pipeline Manufacture Co.,Ltd

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Spectacle Blinds & Bleed Rings

Price Range:#4-1000

Size:1/2''-60''

Material:Carbon Steel

Standard:ASME

Standard or Nonstandard:Standard

Details: Product Description: Spectacle Blinds & Bleed RingsDiameter range: 1/2'' ~60'' (DN15~1500) Pressure class: 150 - 2, 500Lbs Material: Carbon st...

Cangzhou yongwang Pipeline Manufacture Co.,Ltd

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Titanium Flange

Model / Specifications:8 Blanks Spectacle Blinds

Price Range:US $0.2 - 10

Size:1/2"-24"

Material:titanium

Standard:DIN

Brand Name:BODA

Details: Titanium Figure( 8 Blanks Spectacle Blinds) Professional technical team. Quick service Humane attitude...

Baoji Boda Metal Material Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Spectacle Blinds

Model / Specifications:Spectacle blind flange

Size:1/2"-60"

Material:Carbon Steel

Standard:ANSI

Brand Name:Shuangying

Details: Separating one part of a line from another requires a spectacle blind, able to switch from closed to open and back again.

Cixi Shuangying Pipe & Valve Co., Ltd.

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China (Mainland)China (Mainland)

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china flange

Details: FORGED FLANGES ARE AVAILABLE IN VARIOUS YPES LIKE SLIP-ON,BLINDS,WELDING NECK,SOCKET WELDING,THREAD LAP-JOINT,SPECTACLE BLINDS AND ORIFICE

Hebei JiMeng Highstrength Flang-Tubes Group Co., L

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ansi b16.5 spectacle blind flange

Size:1/2"-48

Material:stainless steel carbon steel alloy ...

Standard:ASME

Brand Name:XL

Details: Hebei Longrun Pipeline Group CO.,LTD spectacle blinds are built in accordance with ASME B16.48 to assure that these units will withstand the tempe...

Hebei Longrun Pipeline Group Co., Ltd.

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China (Mainland)China (Mainland)

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spectacle blind flange

Size:1/2"-24"

Material:stainless steel carbon steel alloy ...

Standard:ANSIASMEDINBSGBISO

Brand Name:XL

Details: Spectacle Blinds ASME B16.48 Pressure Class 150 NPS 1/2 - 24NPSOutside øAInside øBCenterlineCThicknesstWeb WidthW1/24516603383/45421...

Hebei Longrun Pipeline Group Co., Ltd.

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China (Mainland)China (Mainland)

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ASTM A182 1.4571/316Ti 150-900LBS FLANGES

Model / Specifications:WN ,SO ,SW ,BL ,THRD .LAP JOINT,LONG WN ,PLATE

Structure:Haokun

Details: Types: Weld Neck, Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Long Weld Neck, Orifice flanges and Orifice Plates, Spectacle Blinds, T...

Tianjin Huilitong Steel Tube Co., Ltd.

Business Type:Manufacturers

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ASTM A182 1.4571/316Ti 150-600 LBS FLANGES

Model / Specifications:WN ,SO ,SW ,BL ,THRD .LAP JOINT,LONG WN ,PLATE

Structure:Haokun

Details: Types: Weld Neck, Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Long Weld Neck, Orifice flanges and Orifice Plates, Spectacle Blinds, T...

Tianjin Huilitong Steel Tube Co., Ltd.

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China (Mainland)China (Mainland)

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PLATE FLANGES

Model / Specifications:WN ,SO ,SW ,BL ,THRD .LAP JOINT,LONG WN ,PLATE

Structure:Haokun

Details: Types: Weld Neck, Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Long Weld Neck, Orifice flanges and Orifice Plates, Spectacle Blinds, T...

Tianjin Huilitong Steel Tube Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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1.4404 FLANGES

Model / Specifications:WN ,SO ,SW ,BL ,THRD .LAP JOINT,LONG WN ,PLATE

Structure:Haokun

Details: Types: Weld Neck, Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Long Weld Neck, Orifice flanges and Orifice Plates, Spectacle Blinds, T...

Tianjin Huilitong Steel Tube Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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1.4404 (F316 L)FLANGES

Model / Specifications:WN ,SO ,SW ,BL ,THRD .LAP JOINT,LONG WN ,PLATE

Structure:Haokun

Details: Types: Weld Neck, Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Long Weld Neck, Orifice flanges and Orifice Plates, Spectacle Blinds, T...

Tianjin Huilitong Steel Tube Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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A516GR.70 Paddle Blinds

Model / Specifications:HZ-SBF036

Size:1/2"-24"

Material:Carbon Steel

Standard:ANSI

Brand Name:HZ

Details: 1.Standard: ANSI B16.482.Flange: Spectacle blind,Paddle Blind,Paddle Spacer3.Material: ASTM A516GR.70,SS304(L),SS316(L)4.NPS: 1/2"-24"5....

Shijiazhuang Huize Pipe Fitting Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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FF Paddle Blinds A516GR.70

Model / Specifications:HZ-SBF044

Size:1/2"-24"

Material:Carbon Steel

Standard:ANSI

Brand Name:HZ

Details: 1.Standard: ANSI B16.482.Flange: Spectacle blind,Paddle Blind,Paddle Spacer3.Material: ASTM A516GR.70,SS304(L),SS316(L)4.NPS: 1/2"-24"5....

Shijiazhuang Huize Pipe Fitting Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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ASTM A516GR.70 Paddle Blinds

Model / Specifications:HZ-PB048

Size:1/2"-24"

Material:Carbon Steel

Standard:ANSI

Brand Name:HZ

Details: 1.Standard: ANSI B16.482.Flange: Spectacle blind,Paddle Blind,Paddle Spacer3.Material: ASTM A516GR.70,SS304(L),SS316(L)4.NPS: 1/2"-24"5....

Shijiazhuang Huize Pipe Fitting Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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FF Paddle Blinds ASTM A516GR.70

Model / Specifications:HZ-PB056

Size:1/2"-24"

Material:Carbon Steel

Standard:ANSI

Brand Name:HZ

Details: 1.Standard: ANSI B16.482.Flange: Spectacle blind,Paddle Blind,Paddle Spacer3.Material: ASTM A516GR.70,SS304(L),SS316(L)4.NPS: 1/2"-24"5....

Shijiazhuang Huize Pipe Fitting Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Carbon Steel FF Paddle Blinds A516GR.70

Model / Specifications:HZ-PB070

Size:1/2"-24"

Material:Carbon Steel

Standard:ANSI

Brand Name:HZ

Details: 1.Standard: ANSI B16.482.Flange: Spectacle blind,Paddle Blind,Paddle Spacer3.Material: ASTM A516GR.70,SS304(L),SS316(L)4.NPS: 1/2"-24"5....

Shijiazhuang Huize Pipe Fitting Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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RF A516GR.70 Paddle Blinds

Model / Specifications:HZ-PB092

Size:1/2"-24"

Material:Carbon Steel

Standard:ANSI

Brand Name:HZ

Details: 1.Standard: ANSI B16.482.Flange: Spectacle blind,Paddle Blind,Paddle Spacer3.Material: ASTM A516GR.70,SS304(L),SS316(L)4.NPS: 1/2"-24"5....

Shijiazhuang Huize Pipe Fitting Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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A516GR.70 Paddle Blinds FF

Model / Specifications:HZ-SBF038

Size:1/2"-24"

Material:Carbon Steel

Standard:ANSI

Brand Name:HZ

Details: 1.Standard: ANSI B16.482.Flange: Spectacle blind,Paddle Blind,Paddle Spacer3.Material: ASTM A516GR.70,SS304(L),SS316(L)4.NPS: 1/2"-24"5....

Shijiazhuang Huize Pipe Fitting Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Carbon Steel Paddle Blinds

Model / Specifications:HZ-PB060

Size:1/2"-24"

Material:Carbon Steel

Standard:ANSI

Brand Name:HZ

Details: 1.Standard: ANSI B16.482.Flange: Spectacle blind,Paddle Blind,Paddle Spacer3.Material: ASTM A516GR.70,SS304(L),SS316(L)4.NPS: 1/2"-24"5....

Shijiazhuang Huize Pipe Fitting Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Carbon Steel FF A516GR.70 Paddle Blinds

Model / Specifications:HZ-PB072

Size:1/2"-24"

Material:Carbon Steel

Standard:ANSI

Brand Name:HZ

Details: 1.Standard: ANSI B16.482.Flange: Spectacle blind,Paddle Blind,Paddle Spacer3.Material: ASTM A516GR.70,SS304(L),SS316(L)4.NPS: 1/2"-24"5....

Shijiazhuang Huize Pipe Fitting Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

FF ASTM A516GR.70 Paddle Blinds

Model / Specifications:HZ-PB058

Size:1/2"-24"

Material:Carbon Steel

Standard:ANSI

Brand Name:HZ

Details: 1.Standard: ANSI B16.482.Flange: Spectacle blind,Paddle Blind,Paddle Spacer3.Material: ASTM A516GR.70,SS304(L),SS316(L)4.NPS: 1/2"-24"5....

Shijiazhuang Huize Pipe Fitting Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

Carbon Steel A516GR.70 Paddle Blinds

Model / Specifications:HZ-PB062

Size:1/2"-24"

Material:Carbon Steel

Standard:ANSI

Brand Name:HZ

Details: 1.Standard: ANSI B16.482.Flange: Spectacle blind,Paddle Blind,Paddle Spacer3.Material: ASTM A516GR.70,SS304(L),SS316(L)4.NPS: 1/2"-24"5....

Shijiazhuang Huize Pipe Fitting Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

Paddle Blinds

Model / Specifications:HZ-SBF033

Size:1/2"-24"

Material:Carbon Steel

Standard:ANSI

Brand Name:HZ

Details: 1.Standard: ANSI B16.482.Flange: Spectacle blind,Paddle Blind,Paddle Spacer3.Material: ASTM A516GR.70,SS304(L),SS316(L)4.NPS: 1/2"-24"5....

Shijiazhuang Huize Pipe Fitting Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

ASTM AA516GR.70 Paddle Blinds FF

Model / Specifications:HZ-PB050

Size:1/2"-24"

Material:Carbon Steel

Standard:ANSI

Brand Name:HZ

Details: 1.Standard: ANSI B16.482.Flange: Spectacle blind,Paddle Blind,Paddle Spacer3.Material: ASTM A516GR.70,SS304(L),SS316(L)4.NPS: 1/2"-24"5....

Shijiazhuang Huize Pipe Fitting Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

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Product Summary

A spectacle blind - also known as a figure-8 blind - is generally a piece of metal that is cut to fit between two pipe flanges and usually sandwiched between two gaskets. A spectacle blind is often made from two metal discs that are attached to each other by a small section of steel. The shape is similar to a pair of glasses or "spectacles" - hence the name spectacle blind. One end of the blind will have an opening to allow flow through the pipe during operation and the other end is solid to block flow during maintenance. They are generally installed as a permanent device to separate process piping systems. Besides,Spectacle blinds are a more permanent form of blanking spade, they are built into the pipeline and can provide a relatively quick and effective positive pipe line shut off to allow piping maintenance, cleaning in place etc. They are available in 2 distinct designs, the sliding spectacle blind and the figure 8 type that is rotated around a central pivot bolt. CRP supply both types, the sliding spectacle blinds are manufactured from solid PTFE and the figure 8 type from carbon steel lined in PTFE. In their open state they allow unhindered flow through the pipeline, when slid or rotated into their closed position they very effectively seal the pipeline. In addition,the whole idea of a spectacle blind is so that one can 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 valved off and pressure relieved prior to loosening flange bolts and swinging the blind.Above all,the applications range of Spectacle blinds are for the   use in the petroleum, boiler heat exchanger, and other fields.

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