Garlock Graph-Lock 3125-SS Ring Gasket

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Garlock Graph-Lock 3125-SS Ring 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. Download our ring gasket guide here.

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PERFORMANCE & SPECIFICATIONS

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

Material Datasheets

Graph-Lock 3125-SS

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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	ADD TO CART
1/2" 150# 1/32" Thk Graph-Lock 3125-SS ASME B16.5 Ring 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.) 1.880 Ships Within 1-2 Days See more GK-RS-HSA-F8Q9-RE20-8PGR	1/2	150	ASME B16.5	1/32	0.840	1.880	1-2 Days	$3.05 x 5 $1.97 x 15 $0.94 x 60	Starting at: $0.94	PRICE QTY $13.78
1/2" 150# 1/16" Thk Graph-Lock 3125-SS ASME B16.5 Ring 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.) 1.880 Ships Within 1-2 Days See more GK-RS-HSA-F8Q9-RE20-NYGF	1/2	150	ASME B16.5	1/16	0.840	1.880	1-2 Days	$3.26 x 4 $2.16 x 15 $1.11 x 60	Starting at: $1.11	PRICE QTY $11.71
1/2" 150# 1/8" Thk Graph-Lock 3125-SS ASME B16.5 Ring 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.) 1.880 Ships Within 1-2 Days See more GK-RS-HSA-F8Q9-RE20-15Y3	1/2	150	ASME B16.5	1/8	0.840	1.880	1-2 Days	$3.90 x 4 $2.72 x 15 $1.62 x 40	Starting at: $1.62	PRICE QTY $13.75
1/2" 300# 1/32" Thk Graph-Lock 3125-SS ASME B16.5 Ring 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.) 2.120 Ships Within 1-2 Days See more GK-RS-HSA-F8Q9-G35E-8PGR	1/2	300	ASME B16.5	1/32	0.840	2.120	1-2 Days	$3.15 x 5 $2.06 x 15 $1.02 x 60	Starting at: $1.02	PRICE QTY $14.23
1/2" 300# 1/16" Thk Graph-Lock 3125-SS ASME B16.5 Ring 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.) 2.120 Ships Within 1-2 Days See more GK-RS-HSA-F8Q9-G35E-NYGF	1/2	300	ASME B16.5	1/16	0.840	2.120	1-2 Days	$3.42 x 4 $2.30 x 15 $1.24 x 60	Starting at: $1.24	PRICE QTY $12.24
1/2" 300# 1/8" Thk Graph-Lock 3125-SS ASME B16.5 Ring 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.) 2.120 Ships Within 1-2 Days See more GK-RS-HSA-F8Q9-G35E-15Y3	1/2	300	ASME B16.5	1/8	0.840	2.120	1-2 Days	$4.22 x 4 $3.75 x 10 $2.05 x 30	Starting at: $2.05	PRICE QTY $14.80
3/4" 150# 1/32" Thk Graph-Lock 3125-SS ASME B16.5 Ring 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.) 2.250 Ships Within 1-2 Days See more GK-RS-HSA-G56P-9CD0-8PGR	3/4	150	ASME B16.5	1/32	1.060	2.250	1-2 Days	$3.23 x 4 $2.13 x 15 $1.09 x 60	Starting at: $1.09	PRICE QTY $11.64
3/4" 150# 1/16" Thk Graph-Lock 3125-SS ASME B16.5 Ring 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.) 2.250 Ships Within 1-2 Days See more GK-RS-HSA-G56P-9CD0-NYGF	3/4	150	ASME B16.5	1/16	1.060	2.250	1-2 Days	$3.53 x 4 $2.40 x 15 $1.33 x 40	Starting at: $1.33	PRICE QTY $12.60
3/4" 150# 1/8" Thk Graph-Lock 3125-SS ASME B16.5 Ring 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.) 2.250 Ships Within 1-2 Days See more GK-RS-HSA-G56P-9CD0-15Y3	3/4	150	ASME B16.5	1/8	1.060	2.250	1-2 Days	$4.43 x 3 $3.94 x 10 $2.21 x 30	Starting at: $2.21	PRICE QTY $11.60
3/4" 300# 1/32" Thk Graph-Lock 3125-SS ASME B16.5 Ring 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.) 2.620 Ships Within 1-2 Days See more GK-RS-HSA-G56P-3983-8PGR	3/4	300	ASME B16.5	1/32	1.060	2.620	1-2 Days	$3.43 x 4 $2.31 x 15 $1.24 x 60	Starting at: $1.24	PRICE QTY $12.28
3/4" 300# 1/16" Thk Graph-Lock 3125-SS ASME B16.5 Ring 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.) 2.620 Ships Within 1-2 Days See more GK-RS-HSA-G56P-3983-NYGF	3/4	300	ASME B16.5	1/16	1.060	2.620	1-2 Days	$3.83 x 4 $2.67 x 15 $1.57 x 40	Starting at: $1.57	PRICE QTY $13.57
3/4" 300# 1/8" Thk Graph-Lock 3125-SS ASME B16.5 Ring 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.) 2.620 Ships Within 1-2 Days See more GK-RS-HSA-G56P-3983-15Y3	3/4	300	ASME B16.5	1/8	1.060	2.620	1-2 Days	$5.03 x 3 $4.47 x 10 $3.02 x 20	Starting at: $3.02	PRICE QTY $13.04
1" 150# 1/32" Thk Graph-Lock 3125-SS ASME B16.5 Ring 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.) 2.620 Ships Within 1-2 Days See more GK-RS-HSA-E4XU-VETT-8PGR	1	150	ASME B16.5	1/32	1.310	2.620	1-2 Days	$3.45 x 4 $2.32 x 15 $1.26 x 60	Starting at: $1.26	PRICE QTY $12.34
1" 150# 1/16" Thk Graph-Lock 3125-SS ASME B16.5 Ring 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.) 2.620 Ships Within 1-2 Days See more GK-RS-HSA-E4XU-VETT-NYGF	1	150	ASME B16.5	1/16	1.310	2.620	1-2 Days	$3.85 x 4 $2.68 x 15 $1.58 x 40	Starting at: $1.58	PRICE QTY $13.63
1" 150# 1/8" Thk Graph-Lock 3125-SS ASME B16.5 Ring 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.) 2.620 Ships Within 1-2 Days See more GK-RS-HSA-E4XU-VETT-15Y3	1	150	ASME B16.5	1/8	1.310	2.620	1-2 Days	$5.04 x 3 $4.48 x 10 $3.04 x 20	Starting at: $3.04	PRICE QTY $13.09
1" 300# 1/32" Thk Graph-Lock 3125-SS ASME B16.5 Ring 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.) 2.880 Ships Within 1-2 Days See more GK-RS-HSA-E4XU-R7WZ-8PGR	1	300	ASME B16.5	1/32	1.310	2.880	1-2 Days	$3.60 x 4 $2.46 x 15 $1.38 x 40	Starting at: $1.38	PRICE QTY $12.84
1" 300# 1/16" Thk Graph-Lock 3125-SS ASME B16.5 Ring 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.) 2.880 Ships Within 1-2 Days See more GK-RS-HSA-E4XU-R7WZ-NYGF	1	300	ASME B16.5	1/16	1.310	2.880	1-2 Days	$4.08 x 4 $3.63 x 10 $1.77 x 40	Starting at: $1.77	PRICE QTY $14.38
1" 300# 1/8" Thk Graph-Lock 3125-SS ASME B16.5 Ring 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.) 2.880 Ships Within 1-2 Days See more GK-RS-HSA-E4XU-R7WZ-15Y3	1	300	ASME B16.5	1/8	1.310	2.880	1-2 Days	$5.51 x 3 $4.90 x 7 $3.41 x 20	Starting at: $3.41	PRICE QTY $14.22
1.25" 150# 1/32" Thk Graph-Lock 3125-SS ASME B16.5 Ring 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.) 3.000 Ships Within 1-2 Days See more GK-RS-HSA-8WTN-QTZ0-8PGR	1-1/4	150	ASME B16.5	1/32	1.660	3.000	1-2 Days	$4.77 x 3 $2.55 x 15 $1.46 x 40	Starting at: $1.46	PRICE QTY $12.83
1.25" 150# 1/16" Thk Graph-Lock 3125-SS ASME B16.5 Ring 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.) 3.000 Ships Within 1-2 Days See more GK-RS-HSA-8WTN-QTZ0-NYGF	1-1/4	150	ASME B16.5	1/16	1.660	3.000	1-2 Days	$5.29 x 3 $3.75 x 10 $2.04 x 30	Starting at: $2.04	PRICE QTY $14.08