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Garlock Graph-Lock 3125-SS Full-Face Gasket

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GRAPH-LOCK® 3125-SS has laminated layers of 0.015" purified natural graphite flake that have been acid washed, expanded under heat and then compressed into sheets with a minimum graphite content of 98%. This sheet contains a 0.002” thick 316 stainless steel foil insert, bonded with a proprietary adhesive.

PERFORMANCE & SPECIFICATIONS

GRAPH-LOCK® 3125-SS has laminated layers of 0.015" purified natural graphite flake that have been acid washed, expanded under heat and then compressed into sheets with a minimum graphite content of 98%. This sheet contains a 0.002” thick 316 stainless steel foil insert, bonded with a proprietary adhesive.

  •  Performance
    • Min Temperature (F) -400°
    • Max Temperature (F) 850°
    • Max Pressure (PSI) 2000
  • Features and Benefits
    • Proven fire-safe
    • Pure exfoliated graphite flake material excels in extreme conditions, withstanding heat, pressure and aggressive chemicals
    • Seals easily under moderate bolt load, offers superior torque retention
    • Retains dimensional stability in high temperatures; seals tightly even during pressure fluctuations
Inner Diameter (In.)
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Outer Diameter (In.)
Outer Diameter
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Thickness (In.)
Thickness Nominal
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Grouped product items
PART NUMBER Nominal Pipe Size Pressure Rating (lbs) Flange Standard (ASME) Thickness (In.) Inner Diameter (In.) Outer Diameter (In.) Ships Within
PRICE
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1/2" 150# 1/32" Thk Graph-Lock 3125-SS ASME B16.5 Full Face Gasket

Nominal Pipe Size 1/2

Pressure Rating (lbs) 150

Flange Standard (ASME) ASME B16.5

Thickness (In.) 1/32

Inner Diameter (In.) 0.840

Outer Diameter (In.) 3.500

Ships Within 1-2 Days

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Starting at: $1.68
PRICE QTY
$18.36
1/2" 150# 1/16" Thk Graph-Lock 3125-SS ASME B16.5 Full Face Gasket

Nominal Pipe Size 1/2

Pressure Rating (lbs) 150

Flange Standard (ASME) ASME B16.5

Thickness (In.) 1/16

Inner Diameter (In.) 0.840

Outer Diameter (In.) 3.500

Ships Within 1-2 Days

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Starting at: $2.16
PRICE QTY
$16.93
1/2" 150# 1/8" Thk Graph-Lock 3125-SS ASME B16.5 Full Face Gasket

Nominal Pipe Size 1/2

Pressure Rating (lbs) 150

Flange Standard (ASME) ASME B16.5

Thickness (In.) 1/8

Inner Diameter (In.) 0.840

Outer Diameter (In.) 3.500

Ships Within 1-2 Days

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Starting at: $3.60
PRICE QTY
$23.58
1/2" 300# 1/32" Thk Graph-Lock 3125-SS ASME B16.5 Full Face Gasket

Nominal Pipe Size 1/2

Pressure Rating (lbs) 300

Flange Standard (ASME) ASME B16.5

Thickness (In.) 1/32

Inner Diameter (In.) 0.840

Outer Diameter (In.) 3.750

Ships Within 1-2 Days

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Starting at: $1.81
PRICE QTY
$19.11
1/2" 300# 1/16" Thk Graph-Lock 3125-SS ASME B16.5 Full Face Gasket

Nominal Pipe Size 1/2

Pressure Rating (lbs) 300

Flange Standard (ASME) ASME B16.5

Thickness (In.) 1/16

Inner Diameter (In.) 0.840

Outer Diameter (In.) 3.750

Ships Within 1-2 Days

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Starting at: $2.36
PRICE QTY
$17.85
1/2" 300# 1/8" Thk Graph-Lock 3125-SS ASME B16.5 Full Face Gasket

Nominal Pipe Size 1/2

Pressure Rating (lbs) 300

Flange Standard (ASME) ASME B16.5

Thickness (In.) 1/8

Inner Diameter (In.) 0.840

Outer Diameter (In.) 3.750

Ships Within 1-2 Days

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Starting at: $4.17
PRICE QTY
$25.46
3/4" 150# 1/32" Thk Graph-Lock 3125-SS ASME B16.5 Full Face Gasket

Nominal Pipe Size 3/4

Pressure Rating (lbs) 150

Flange Standard (ASME) ASME B16.5

Thickness (In.) 1/32

Inner Diameter (In.) 1.060

Outer Diameter (In.) 3.880

Ships Within 1-2 Days

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Starting at: $1.89
PRICE QTY
$15.67
3/4" 150# 1/16" Thk Graph-Lock 3125-SS ASME B16.5 Full Face Gasket

Nominal Pipe Size 3/4

Pressure Rating (lbs) 150

Flange Standard (ASME) ASME B16.5

Thickness (In.) 1/16

Inner Diameter (In.) 1.060

Outer Diameter (In.) 3.880

Ships Within 1-2 Days

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Starting at: $2.48
PRICE QTY
$18.41
3/4" 150# 1/8" Thk Graph-Lock 3125-SS ASME B16.5 Full Face Gasket

Nominal Pipe Size 3/4

Pressure Rating (lbs) 150

Flange Standard (ASME) ASME B16.5

Thickness (In.) 1/8

Inner Diameter (In.) 1.060

Outer Diameter (In.) 3.880

Ships Within 1-2 Days

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Starting at: $4.40
PRICE QTY
$19.90
3/4" 300# 1/8" Thk Graph-Lock 3125-SS ASME B16.5 Full Face Gasket

Nominal Pipe Size 3/4

Pressure Rating (lbs) 300

Flange Standard (ASME) ASME B16.5

Thickness (In.) 1/8

Inner Diameter (In.) 1.060

Outer Diameter (In.) 4.620

Ships Within 1-2 Days

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Starting at: $6.14
PRICE QTY
$24.83
3/4" 300# 1/16" Thk Graph-Lock 3125-SS ASME B16.5 Full Face Gasket

Nominal Pipe Size 3/4

Pressure Rating (lbs) 300

Flange Standard (ASME) ASME B16.5

Thickness (In.) 1/16

Inner Diameter (In.) 1.060

Outer Diameter (In.) 4.620

Ships Within 1-2 Days

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Starting at: $3.19
PRICE QTY
$21.70
3/4" 300# 1/32" Thk Graph-Lock 3125-SS ASME B16.5 Full Face Gasket

Nominal Pipe Size 3/4

Pressure Rating (lbs) 300

Flange Standard (ASME) ASME B16.5

Thickness (In.) 1/32

Inner Diameter (In.) 1.060

Outer Diameter (In.) 4.620

Ships Within 1-2 Days

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Starting at: $2.36
PRICE QTY
$17.86
1" 150# 1/32" Thk Graph-Lock 3125-SS ASME B16.5 Full Face Gasket

Nominal Pipe Size 1

Pressure Rating (lbs) 150

Flange Standard (ASME) ASME B16.5

Thickness (In.) 1/32

Inner Diameter (In.) 1.310

Outer Diameter (In.) 4.250

Ships Within 1-2 Days

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Starting at: $2.12
PRICE QTY
$16.73
1" 150# 1/16" Thk Graph-Lock 3125-SS ASME B16.5 Full Face Gasket

Nominal Pipe Size 1

Pressure Rating (lbs) 150

Flange Standard (ASME) ASME B16.5

Thickness (In.) 1/16

Inner Diameter (In.) 1.310

Outer Diameter (In.) 4.250

Ships Within 1-2 Days

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Starting at: $2.82
PRICE QTY
$19.99
1" 150# 1/8" Thk Graph-Lock 3125-SS ASME B16.5 Full Face Gasket

Nominal Pipe Size 1

Pressure Rating (lbs) 150

Flange Standard (ASME) ASME B16.5

Thickness (In.) 1/8

Inner Diameter (In.) 1.310

Outer Diameter (In.) 4.250

Ships Within 1-2 Days

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Starting at: $5.41
PRICE QTY
$22.27
1" 300# 1/32" Thk Graph-Lock 3125-SS ASME B16.5 Full Face Gasket

Nominal Pipe Size 1

Pressure Rating (lbs) 300

Flange Standard (ASME) ASME B16.5

Thickness (In.) 1/32

Inner Diameter (In.) 1.310

Outer Diameter (In.) 4.880

Ships Within 1-2 Days

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Starting at: $2.55
PRICE QTY
$18.72
1" 300# 1/16" Thk Graph-Lock 3125-SS ASME B16.5 Full Face Gasket

Nominal Pipe Size 1

Pressure Rating (lbs) 300

Flange Standard (ASME) ASME B16.5

Thickness (In.) 1/16

Inner Diameter (In.) 1.310

Outer Diameter (In.) 4.880

Ships Within 1-2 Days

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Starting at: $3.47
PRICE QTY
$22.99
1" 300# 1/8" Thk Graph-Lock 3125-SS ASME B16.5 Full Face Gasket

Nominal Pipe Size 1

Pressure Rating (lbs) 300

Flange Standard (ASME) ASME B16.5

Thickness (In.) 1/8

Inner Diameter (In.) 1.310

Outer Diameter (In.) 4.880

Ships Within 1-2 Days

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Starting at: $6.70
PRICE QTY
$26.76
1.25" 150# 1/32" Thk Graph-Lock 3125-SS ASME B16.5 Full Face Gasket

Nominal Pipe Size 1-1/4

Pressure Rating (lbs) 150

Flange Standard (ASME) ASME B16.5

Thickness (In.) 1/32

Inner Diameter (In.) 1.660

Outer Diameter (In.) 4.630

Ships Within 1-2 Days

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Starting at: $2.37
PRICE QTY
$16.39
1.25" 150# 1/16" Thk Graph-Lock 3125-SS ASME B16.5 Full Face Gasket

Nominal Pipe Size 1-1/4

Pressure Rating (lbs) 150

Flange Standard (ASME) ASME B16.5

Thickness (In.) 1/16

Inner Diameter (In.) 1.660

Outer Diameter (In.) 4.630

Ships Within 1-2 Days

See more

Starting at: $3.37
PRICE QTY
$19.29