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    47 Products

    Pipeline Fluid Blockers

    Also known as pipe blinds, these fluid blockers fit between two flanges to stop flow, so you can work downstream without draining the system.
    Paddle Blinds
    Image of Product. Front orientation. Contains Annotated. Pipeline Fluid Blockers. Paddle Blinds.
    Paddle blinds slip between the flanges to temporarily block flow.
    304 Stainless Steel and PTFE-Coated 304 Stainless Steel—304 stainless steel blinds resist corrosion better than steel blinds.
    Handle
    For Pipe
    Size
    OD
    For Orifice
    Flange ANSI Class
    Max. Pressure
    @ Temp.
    Thk.
    Lg.
    Wd.
    Temp. Range,
    ° F
    Specs.
    Met
    Food Industry Std.
    Each
    Steel
    1/2
    		1 3/4"150
    		150 psi @ 70° F1/4"7"1"-20 to 100ASTM A36—0000000000000
    3/4
    		2 1/8"150
    		150 psi @ 70° F1/4"7"1"-20 to 100ASTM A36—000000000000
    1
    		2 1/2"—150 psi @ 70° F1/4"7"1"-20 to 100ASTM A36—000000000000
    1 1/4
    		2 7/8"150
    		150 psi @ 70° F1/4"7"1"-20 to 100ASTM A36—000000000000
    1 1/2
    		3 1/4"—150 psi @ 70° F1/4"7"1"-20 to 100ASTM A36—000000000000
    2
    		4"—150 psi @ 70° F1/4"7"1"-20 to 100ASTM A36—000000000000
    2 1/2
    		4 3/4"—150 psi @ 70° F1/4"7"1"-20 to 100ASTM A36—000000000000
    3
    		5 1/4"—150 psi @ 70° F1/4"7"1"-20 to 100ASTM A36—000000000000
    3 1/2
    		6 1/4"150
    		150 psi @ 70° F3/8"7"1"-20 to 100ASTM A36—0000000000000
    4
    		6 3/4"—150 psi @ 70° F1/4"7"1"-20 to 100ASTM A36—000000000000
    6
    		8 5/8"—150 psi @ 70° F1/2"7"1"-20 to 100ASTM A36—0000000000000
    8
    		10 7/8"—150 psi @ 70° F5/8"7"1"-20 to 100ASTM A36—0000000000000
    10
    		13 1/4"—150 psi @ 70° F5/8"7"1 1/2"-20 to 100ASTM A36—0000000000000
    12
    		16"—150 psi @ 70° F3/4"7"1 1/2"-20 to 100ASTM A36—0000000000000
     
    304 Stainless Steel
    8
    		11"150
    		150 psi @ 70° F1/4"7"1"-100 to 400——0000000000000
    10
    		13 3/8"150
    		150 psi @ 70° F3/8"7"1 1/2"-100 to 400——0000000000000
    12
    		16 1/8"150
    		150 psi @ 70° F3/8"7"1 1/2"-100 to 400——0000000000000
     
    PTFE-Coated 304 Stainless Steel
    1/2
    		1 7/8"150
    		150 psi @ 250° F1/8"2"3/4"-100 to 400ASTM D4894FDA Compliant 21 CFR 177.1550
    		000000000000
    3/4
    		2 1/4"150
    		150 psi @ 250° F1/8"2"3/4"-100 to 400ASTM D4894FDA Compliant 21 CFR 177.1550
    		000000000000
    1
    		2 5/8"150
    		150 psi @ 70° F1/8"2 3/4"3/4"-100 to 400ASTM D4894FDA Compliant 21 CFR 177.1550
    		000000000000
    1 1/2
    		3 3/8"150
    		150 psi @ 70° F1/8"2 3/4"3/4"-100 to 400ASTM D4894FDA Compliant 21 CFR 177.1550
    		000000000000
    2
    		4 1/8"150
    		150 psi @ 70° F1/8"3"3/4"-100 to 400ASTM D4894FDA Compliant 21 CFR 177.1550
    		000000000000
    3
    		5 3/8"150
    		150 psi @ 70° F1/8"3"3/4"-100 to 400ASTM D4894FDA Compliant 21 CFR 177.1550
    		000000000000
    4
    		6 7/8"150
    		150 psi @ 70° F1/8"3"3/4"-100 to 400ASTM D4894FDA Compliant 21 CFR 177.1550
    		0000000000000
    6
    		8 3/4"150
    		150 psi @ 70° F3/16"5"3/4"-100 to 400ASTM D4894FDA Compliant 21 CFR 177.1550
    		0000000000000
     
    Spectacle Blinds
    Image of ProductInUse. Front orientation. Contains Annotated. Pipeline Fluid Blockers. Spectacle Blinds.
    Image of Product. Front orientation. Contains Annotated. Pipeline Fluid Blockers. Spectacle Blinds.
    Spectacle blinds install permanently and rotate around the bolt to either block or open flow. However, they add extra weight to your pipeline.
    304 Stainless Steel—304 stainless steel blinds resist corrosion better than steel blinds.
    For Pipe
    Size
    ID
    OD
    For Orifice
    Flange ANSI Class
    Max. Pressure
    @ Temp.
    Thk.
    End-to-End
    Lg.
    Temp. Range,
    ° F
    Specs.
    Met
    Each
    Steel
    1/2
    		5/8"1 3/4"150
    		285 psi @ 70° F1/4"4 1/8"-20 to 800ASTM A5160000000000000
    3/4
    		7/8"2 1/8"150
    		285 psi @ 70° F1/4"4 7/8"-20 to 800ASTM A5160000000000000
    1
    		1"2 1/2"150
    		285 psi @ 70° F1/4"5 5/8"-20 to 800ASTM A5160000000000000
    1 1/2
    		1 7/8"3 1/4"150
    		285 psi @ 70° F3/8"7 1/8"-20 to 800ASTM A5160000000000000
    2
    		2 3/8"4"150
    		285 psi @ 70° F3/8"8 3/4"-20 to 800ASTM A5160000000000000
    2 1/2
    		2 7/8"4 3/4"150
    		285 psi @ 70° F3/8"10 1/4"-20 to 800ASTM A5160000000000000
    3
    		3 1/2"5 1/4"150
    		285 psi @ 70° F3/8"11 1/4"-20 to 800ASTM A5160000000000000
    4
    		4 1/2"6 3/4"150
    		285 psi @ 70° F1/2"14 1/4"-20 to 800ASTM A5160000000000000
    6
    		6 5/8"8 5/8"150
    		285 psi @ 70° F5/8"18 1/8"-20 to 800ASTM A5160000000000000
    8
    		8 5/8"10 7/8"150
    		285 psi @ 70° F5/8"22 5/8"-20 to 800ASTM A5160000000000000
    10
    		10 3/4"13 1/4"150
    		285 psi @ 70° F3/4"27 1/2"-20 to 800ASTM A1050000000000000
     
    304 Stainless Steel
    1/2
    		5/8"1 3/4"150
    		230 psi @ 70° F1/4"4 1/8"-20 to 800ASTM A2400000000000000
    3/4
    		7/8"2 1/8"150
    		230 psi @ 70° F1/4"4 7/8"-20 to 800ASTM A2400000000000000
    1
    		1"2 1/2"150
    		230 psi @ 70° F1/4"5 5/8"-20 to 800ASTM A2400000000000000
    1 1/2
    		1 7/8"3 1/4"150
    		230 psi @ 70° F3/8"7 1/8"-20 to 800ASTM A2400000000000000
    2
    		2 3/8"4"150
    		230 psi @ 70° F3/8"8 3/4"-20 to 800ASTM A2400000000000000
    2 1/2
    		2 7/8"4 3/4"150
    		230 psi @ 70° F3/8"10 1/4"-20 to 800ASTM A2400000000000000
    3
    		3 1/2"5 1/4"150
    		230 psi @ 70° F3/8"11 1/4"-20 to 800ASTM A2400000000000000
    4
    		4 1/2"6 3/4"150
    		230 psi @ 70° F1/2"14 1/4"-20 to 800ASTM A2400000000000000
    6
    		6 5/8"8 5/8"150
    		230 psi @ 70° F5/8"18 1/8"-20 to 800ASTM A2400000000000000
    8
    		8 5/8"10 7/8"150
    		230 psi @ 70° F5/8"22 5/8"-20 to 800ASTM A2400000000000000
    10
    		10 3/4"13 1/4"150
    		230 psi @ 70° F3/4"27 1/2"-20 to 800ASTM A182000000000000000
     
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