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YOUNGNAM METAL CO., LTD ADD : 12-3, 74 BEON-GIL, JILLYE-RO, JILLYE, GIMHAE, GYEONGNAM, 50874, KOREA CEO : Kim Sang-yeol

Tel : +82-55-345-3195 Fax : +82-55-345-3198 E-mail : kimsta@yncoupling.com

GRIP Type
SINCE 1986 Best Quality Price Satisfaction Timely Delivery YOUNGNAM METAL CO.. LTD.

GRIP-RING PIPE COUPLING

(Grip Type)

GRIP RING- couplings join plain end pipes with axial restraint.
GR-coupling provide pull out resistance in excess of the couplings rated working pressure.

GR-S ※ PIPE O.D specifications are available in all sizes.

※ You can check by swiping the table left or right (swipe).

GR-S
SIZE	O/D (mm)	Range (mm)	M	L	ℓ	U	W.P		W.T	P (N·m (kgf·cm))
N.D (Inch)	D1	D2	M	L	ℓ	U	Industrial	Ship	W.T	P (N·m (kgf·cm))
15A (1/2″)	21.3 21.7 22.0	O/D±0.3	M6	57	20	38	40	20	0.18	3~5 (30~50)
20A (3/4″)	26.9 26.7 27.2	O/D ±0.5	M6	57	20	47	40	20	0.21	4~6 (40~60)
25A (1″)	33.4 33.7 34.0	O/D ±0.6	M6	57	20	52	40	20	0.23	4~6 (40~60)
32A (1-1/4″)	40.9 42.2 42.4 42.7	O/D ±0.6	M8	57	20	64	40	20	0.34	10~12 (100~120)
40A (1-1/2″)	44.5 48.3 48.6 50.8	O/D ±1.0	M8	57	22	68	40	20	0.36	10~12 (100~120)
50A (2″)	54.0 57.0 60.3 60.5	O/D ±1.0	M10	80	30	84	36	18	0.80	15~18 (150~180)
65A (2-1/2″)	66.7 69.0 73.0 76.3	O/D ±1.0	M10	80	30	101	36	18	0.89	15~18 (150~180)
80A (3″)	79.8 84.0 88.9 89.1	O/D ±1.5	M12	108	50	117	32	16	1.56	40~50 (400~500)
90A (3-1/2″)	98.0 101.6	O/D ±1.5	M12	108	50	142	32	16	1.64	40~50 (400~500)
100A (4″)	104.8 106.3 108.0 114.3	O/D ±1.5	M12	108	50	142	32	16	1.77	40~50 (400~500)
125A (5″)	129.0 133.0 139.8 141.3	O/D ±1.5	M14	117	55	176	28	12	2.95	60~80 (600~800)
150A (6″)	154.0 159.0 165.2 168.3	O/D ±1.5	M14	117	55	201	28	12	3.15	60~80 (600~800)
200A (8″)	204.0 216.3 219.1	O/D ±2.0	M16	155	72	256	24	7	6.60	120~150 (1200~1500)
250A (10″)	254.0 267.4 273.1	O/D ±2.0	M16	155	65	300	20	7	7.55	120~150 (1200~1500)
300A (12″)	304.0 318.5 323.9 325.0	O/D ±2.0	M18	155	65	350	14	5	9.75	170~190 (1700~1900)
350A (14″)	355.6	O/D ±2.0	M18	155	65	400	14	5	10.58	170~190 (1700~1900)

GR-L ※ PIPE O.D specifications are available in all sizes.

※ You can check by swiping the table left or right (swipe).

GR-L
SIZE	O/D (mm)	Range (mm)	M	L	ℓ	U	W.P		W.T	P (N·m (kgf·cm))
N.D (Inch)	D1	D2	M	L	ℓ	U	Industrial	Ship	W.T	P (N·m (kgf·cm))
15A (1.2″)	20.0 21.3 21.7 22.0	O/D±0.3	M6	72	40	39	40	20	0.23	3~5 (30~50)
20A (3/4″)	25.0 26.9 26.7 27.2	O/D ±0.5	M6	72	40	47	40	20	0.26	4~6 (40~60)
25A (1″)	32.0 33.4 33.7 34.0	O/D ±0.6	M8	100	55	51	40	20	0.46	5~8 (50~80)
32A (1-1/4″)	40.9 42.2 42.4 42.7	O/D ±0.6	M8	100	55	62	40	20	0.53	10~12 (100~120)
40A (1-1/2″)	48.3 48.6 50.0	O/D ±1.0	M8	100	55	66	40	20	0.57	10~12 (100~120)
50A (2″)	60.3 60.5 . 63	O/D ±1.0	M10	139	84	81	36	18	1.29	15~18 (150~180)
65A (2-1/2″)	73.0 76.3	O/D ±1.0	M10	139	84	100	36	18	1.43	15~18 (150~180)
80A (3″)	88.9 89.1	O/D ±1.5	M12	203	122	115	32	16	2.83	40~50 (400~500)
100A (4″)	114.3 118.0	O/D ±1.5	M12	203	122	144	32	16	3.18	40~50 (400~500)
125A (5″)	139.8 141.3	O/D ±1.5	M14	204	128	175	28	12	4.80	60~80 (600~800)
150A (6″)	159.0 165.2 168.3	O/D ±1.5	M14	204	128	196	28	12	5.24	60~80 (600~800)
200A (8″)	216.3 219.1	O/D ±2.0	M16	255	157	260	24	7	10.74	120~150 (1200~1500)
250A (10″)	267.4 273.1	O/D ±2.0	M16	255	157	300	20	7	12.08	120~150 (1200~1500)
300A (12″)	318.5 323.9 325.0	O/D ±2.0	M18	255	157	350	14	5	15.60	170~190 (1700~1900)

· N.D : Nominal Diameter (A)

· ℓ : Allowable Shrinkage/Expansion Clearance(m/m)

· D1 : Actual Outer Diameter of Pipe(m/m)

· T : Thickness of the coupling case(m/m)

· D2 : Min./Max. Allowable Limit for Pipe(m/m)

· U : Outer Diameter of Coupling(m/m)

· M : Fastener Bolt Size/Length(m/m)

· W.P : Working Pressure(㎏f·㎠)

· ØA : diameter of lock rod(m/m)

· W/T : Weight Per Unit(㎏)

· L : Coupling Width(m/m)

· W : Gap between pipes when installing

· P : Optimum Locking Torque Value Nm(㎏f·cm)

※ The specifications are subject to change for quality improvement.