Garlock Graph-Lock 3128 Hochdruk Full-Face Gasket

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Garlock Graph-Lock 3128 Hochdruk Full-Face Gasket

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GRAPH-LOCK® 3128 HOCHDRUCK® is a multi-layer, high strength sheet material composed of .020” thick layers of high purity flexible graphite (carbon >99.85%) and .002” thick layers of 316 stainless steel foil insert. It provides high compressive strength, blow-out resistance, excellent handling properties, and improved tightness.

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PERFORMANCE & SPECIFICATIONS

Performance

Min Temperature (F) -400°
Max Temperature (F) 850°
Max Pressure (PSI) 2000

Features and Benefits

Pure exfoliated graphite flake material excels in extreme conditions, withstanding heat, pressure, and aggressive chemicals
Proven fire-safe
Seals easily under moderate bolt load, offers superior torque retention
Retains dimensional stability in high temperatures; seals tightly even during pressure fluctuations

Material Datasheets

Graph-Lock 3128 Hochdruk

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PART NUMBER	Nominal Pipe Size	Pressure Rating (lbs)	Flange Standard (ASME)	Thickness (In.)	Inner Diameter (In.)	Outer Diameter (In.)	Ships Within	PRICE	ADD TO CART
1/2" 150# 1/16" Thk Graph-Lock 3128 Hochdruk 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 See more GK-FS-NCJ-F8Q9-1W84-PT93	1/2	150	ASME B16.5	1/16	0.840	3.500	1-2 Days	$7.28 x 3 $6.62 x 10 $4.95 x 30	Starting at: $4.95	PRICE QTY $21.83
1/2" 150# 1/8" Thk Graph-Lock 3128 Hochdruk 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 See more GK-FS-NCJ-F8Q9-1W84-15Y3	1/2	150	ASME B16.5	1/8	0.840	3.500	1-2 Days	$11.26 x 3 $10.23 x 7 $8.71 x 20	Starting at: $8.71	PRICE QTY $33.77
1/2" 300# 1/16" Thk Graph-Lock 3128 Hochdruk 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 See more GK-FS-NCJ-F8Q9-TZ0E-PT93	1/2	300	ASME B16.5	1/16	0.840	3.750	1-2 Days	$7.94 x 3 $7.22 x 10 $5.86 x 20	Starting at: $5.86	PRICE QTY $23.83
1/2" 300# 1/8" Thk Graph-Lock 3128 Hochdruk 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 See more GK-FS-NCJ-F8Q9-TZ0E-15Y3	1/2	300	ASME B16.5	1/8	0.840	3.750	1-2 Days	$12.49 x 2 $11.36 x 7 $10.11 x 15	Starting at: $10.11	PRICE QTY $24.98
3/4" 150# 1/16" Thk Graph-Lock 3128 Hochdruk 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 See more GK-FS-NCJ-G56P-ML14-PT93	3/4	150	ASME B16.5	1/16	1.060	3.880	1-2 Days	$8.32 x 3 $7.56 x 10 $6.18 x 20	Starting at: $6.18	PRICE QTY $24.96
3/4" 150# 1/8" Thk Graph-Lock 3128 Hochdruk 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 See more GK-FS-NCJ-G56P-ML14-15Y3	3/4	150	ASME B16.5	1/8	1.060	3.880	1-2 Days	$13.18 x 2 $11.98 x 7 $10.70 x 15	Starting at: $10.70	PRICE QTY $26.36
3/4" 300# 1/16" Thk Graph-Lock 3128 Hochdruk 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 See more GK-FS-NCJ-G56P-960N-PT93	3/4	300	ASME B16.5	1/16	1.060	4.620	1-2 Days	$10.64 x 3 $9.68 x 7 $8.18 x 20	Starting at: $8.18	PRICE QTY $31.93
3/4" 300# 1/8" Thk Graph-Lock 3128 Hochdruk 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 See more GK-FS-NCJ-G56P-960N-15Y3	3/4	300	ASME B16.5	1/8	1.060	4.620	1-2 Days	$22.83 x 2 $17.96 x 5 $15.05 x 10	Starting at: $15.05	PRICE QTY $45.66
1" 150# 1/16" Thk Graph-Lock 3128 Hochdruk 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 See more GK-FS-NCJ-E4XU-9696-PT93	1	150	ASME B16.5	1/16	1.310	4.250	1-2 Days	$9.44 x 3 $8.58 x 7 $7.14 x 20	Starting at: $7.14	PRICE QTY $28.31
1" 150# 1/8" Thk Graph-Lock 3128 Hochdruk 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 See more GK-FS-NCJ-E4XU-9696-15Y3	1	150	ASME B16.5	1/8	1.310	4.250	1-2 Days	$20.60 x 2 $15.94 x 5 $13.13 x 10	Starting at: $13.13	PRICE QTY $41.20
1" 300# 1/16" Thk Graph-Lock 3128 Hochdruk 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 See more GK-FS-NCJ-E4XU-1VVZ-PT93	1	300	ASME B16.5	1/16	1.310	4.880	1-2 Days	$11.56 x 3 $10.50 x 7 $9.30 x 15	Starting at: $9.30	PRICE QTY $34.67
1" 300# 1/8" Thk Graph-Lock 3128 Hochdruk 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 See more GK-FS-NCJ-E4XU-1VVZ-15Y3	1	300	ASME B16.5	1/8	1.310	4.880	1-2 Days	$24.51 x 2 $20.54 x 4 $16.50 x 10	Starting at: $16.50	PRICE QTY $49.01
1.25" 150# 1/16" Thk Graph-Lock 3128 Hochdruk 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 GK-FS-NCJ-8WTN-5WQA-PT93	1-1/4	150	ASME B16.5	1/16	1.660	4.630	1-2 Days	$11.67 x 2 $10.61 x 5 $8.55 x 15	Starting at: $8.55	PRICE QTY $23.34
1.25" 150# 1/8" Thk Graph-Lock 3128 Hochdruk ASME B16.5 Full Face Gasket	Nominal Pipe Size 1-1/4 Pressure Rating (lbs) 150 Flange Standard (ASME) ASME B16.5 Thickness (In.) 1/8 Inner Diameter (In.) 1.660 Outer Diameter (In.) 4.630 Ships Within 1-2 Days See more GK-FS-NCJ-8WTN-5WQA-15Y3	1-1/4	150	ASME B16.5	1/8	1.660	4.630	1-2 Days	$18.52 x 2 $16.83 x 4 $15.11 x 10	Starting at: $15.11	PRICE QTY $37.03
1.25" 300# 1/16" Thk Graph-Lock 3128 Hochdruk ASME B16.5 Full Face Gasket	Nominal Pipe Size 1-1/4 Pressure Rating (lbs) 300 Flange Standard (ASME) ASME B16.5 Thickness (In.) 1/16 Inner Diameter (In.) 1.660 Outer Diameter (In.) 5.250 Ships Within 1-2 Days See more GK-FS-NCJ-8WTN-7KF0-PT93	1-1/4	300	ASME B16.5	1/16	1.660	5.250	1-2 Days	$13.92 x 2 $12.65 x 5 $10.49 x 15	Starting at: $10.49	PRICE QTY $27.84
1.25" 300# 1/8" Thk Graph-Lock 3128 Hochdruk ASME B16.5 Full Face Gasket	Nominal Pipe Size 1-1/4 Pressure Rating (lbs) 300 Flange Standard (ASME) ASME B16.5 Thickness (In.) 1/8 Inner Diameter (In.) 1.660 Outer Diameter (In.) 5.250 Ships Within 1-2 Days See more GK-FS-NCJ-8WTN-7KF0-15Y3	1-1/4	300	ASME B16.5	1/8	1.660	5.250	1-2 Days	$27.05 x 2 $24.59 x 3 $19.54 x 7	Starting at: $19.54	PRICE QTY $54.09
1.5" 150# 1/16" Thk Graph-Lock 3128 Hochdruk ASME B16.5 Full Face Gasket	Nominal Pipe Size 1-1/2 Pressure Rating (lbs) 150 Flange Standard (ASME) ASME B16.5 Thickness (In.) 1/16 Inner Diameter (In.) 1.910 Outer Diameter (In.) 5.000 Ships Within 1-2 Days See more GK-FS-NCJ-3TR9-2G91-PT93	1-1/2	150	ASME B16.5	1/16	1.910	5.000	1-2 Days	$12.98 x 2 $11.80 x 5 $10.34 x 10	Starting at: $10.34	PRICE QTY $25.96
1.5" 150# 1/8" Thk Graph-Lock 3128 Hochdruk ASME B16.5 Full Face Gasket	Nominal Pipe Size 1-1/2 Pressure Rating (lbs) 150 Flange Standard (ASME) ASME B16.5 Thickness (In.) 1/8 Inner Diameter (In.) 1.910 Outer Diameter (In.) 5.000 Ships Within 1-2 Days See more GK-FS-NCJ-3TR9-2G91-15Y3	1-1/2	150	ASME B16.5	1/8	1.910	5.000	1-2 Days	$29.14 x 1 $23.01 x 3 $18.04 x 7	Starting at: $18.04	PRICE QTY $29.14
1.5" 300# 1/16" Thk Graph-Lock 3128 Hochdruk ASME B16.5 Full Face Gasket	Nominal Pipe Size 1-1/2 Pressure Rating (lbs) 300 Flange Standard (ASME) ASME B16.5 Thickness (In.) 1/16 Inner Diameter (In.) 1.910 Outer Diameter (In.) 6.120 Ships Within 1-2 Days See more GK-FS-NCJ-3TR9-ZF39-PT93	1-1/2	300	ASME B16.5	1/16	1.910	6.120	1-2 Days	$17.53 x 2 $15.94 x 4 $14.26 x 10	Starting at: $14.26	PRICE QTY $35.06
1.5" 300# 1/8" Thk Graph-Lock 3128 Hochdruk ASME B16.5 Full Face Gasket	Nominal Pipe Size 1-1/2 Pressure Rating (lbs) 300 Flange Standard (ASME) ASME B16.5 Thickness (In.) 1/8 Inner Diameter (In.) 1.910 Outer Diameter (In.) 6.120 Ships Within 1-2 Days See more GK-FS-NCJ-3TR9-ZF39-15Y3	1-1/2	300	ASME B16.5	1/8	1.910	6.120	1-2 Days	$37.55 x 1 $30.65 x 3 $26.42 x 5	Starting at: $26.42	PRICE QTY $37.55