RK Series Flat Pipeline Couplings

Share It :

These flat pipeline couplings ensure efficient, leak-free connections in hydraulic pipelines, designed for durability and high performance in industrial applications.

Feature of RK Series Flat Pipeline Couplings

Occlusion: Flat face
Locking : Screw
Optional material: Carbon steel
Finishing Zn-Ni
Thread: BSP – NPT – SAE
Standard seals: NBR
Working temperature: -25 ℃ +100 ℃
Optional seals: FKM, EPDM or more
Working pressure: 420 bar
Operation under pressure: Allowed(Both male and female sides)

Specification of RK Series Flat Pipeline Couplings

Nominal size		Working pressure	Rated flow （ISO）	Max flow rate	Burst pressure			Fluid spillage
Nominal size		Working pressure	Rated flow （ISO）	Max flow rate	Male	Female	Coupled	Fluid spillage
RK	ISO	Mpa	l/min	l/min	Mpa	Mpa	Mpa	cc
RK08	10	42	23	46	160	160	160	0.02
RK12	12.5	42	45	90	126	126	126	0.02
RK16	19	42	106	160	126	126	126	0.06
RK20	25	42	189	280	120	120	130	0.1
RK25A	31.5	42	235	450	120	120	130	0.7
RK25	40	42	288	575	120	120	130	1

Parameters of RK Series Flat Pipeline Couplings

外螺纹24°锥形DIN 3861 /Male stud with type W bore (24°) to DIN 3861
ISO	A部分 Port A	尺寸									母头	重量	公头	重量
		Dimensions(mm)									Female Body	Weight	Male Tip	Weight
		D	L1	L2	L3	L4	L5	ØE	SW1	SW2	Part Numbers	(g) ca	Part Numbers	(g) ca
10	M16*1.5	10L	58	62.5	11	14	M30*1	M32*3	36	41	RK08-F-L1016	220	RK08-M-L1016	310
	M18*1.5	12L	58	62.5	11	14	M30*1	M32*3	36	41	RK08-F-L1218	248	RK08-M-L1218	309
	M18*1.5	12L	65		11		M30*1	M32*3	36		RK08-F-L1218L	258
	M18*1.5	10S	59	62.5	12	14	M30*1	M32*3	36	41	RK08-F-S1018	215	RK08-M-S1018	315
	M20*1.5	12S	59	62.5	12	14	M30*1	M32*3	36	41	RK08-F-S1220	218	RK08-M-S1220	319
	M24*1.5	16S	61	65.5	14	14	M30*1	M32*3	36	41	RK08-F-S1624	239	RK08-M-S1624	329
12.5	M22*1.5	15L	65	75	12	17.5	M36*1	M36*3	41	46	RK12-F-L1522	327	RK12-M-L1522	523
	M22*1.5	15L	72		12		M36*1	M36*3	41		RK12-F-L1522L	338
	M26*1.5	18L	72	75	12	17.5	M36*1	M36*3	41	46	RK12-F-L1826L	373	RK12-M-L1826	568
	M24*1.5	16S	67	79	14	17.5	M36*1	M36*3	41	46	RK12-F-S1624	336	RK12-M-S1624	545
	M24*1.5	16S	71		14		M36*1	M36*3	41		RK12-F-S1624L	342
	M30*2	20S	69	79	16	17.5	M36*1	M36*3	41	46	RK12-F-S2030	348	RK12-M-S2030	571
	M30*2	20S	73		16		M36*1	M36*3	41		RK12-F-S2030L	377
19	M22*1.5	15L	81.5	83	12	22	M45*1.5	M48*3	50	60	RK16-F-L1522	680	RK16-M-L1522	952
	M26*1.5	18L	83.5	85	12	22	M45*1.5	M48*3	50	60	RK16-F-L1826	684	RK16-M-L1826	955
	M30*2	22L	83.5	85	14	22	M45*1.5	M48*3	50	60	RK16-F-L2230	688	RK16-M-L2230	958
	M24*1.5	16S	81.5	83	14	22	M45*1.5	M48*3	50	60	RK16-F-S1624	685	RK16-M-S1624	957
	M30*2	20S	83.5	85	16	22	M45*1.5	M48*3	50	60	RK16-F-S2030	692	RK16-M-S2030	962
25	M26x1.5	18L	90	105	12	27.5	M54*1.5	M54*4	60	55	RK20-F-L1826	897	RK20-M-L1826	1350
	M26x1.5	18L	97		12		M54*1.5	M54*4	60		RK20-F-L1826L	922
	M30x2	22L	92	107	14	27.5	M54*1.5	M54*4	60	55	RK20-F-L2230	920	RK20-M-L2230	1350
	M36x2	28L	92	107	14	27.5	M54*1.5	M54*4	60	55	RK20-F-L2836	941	RK20-M-L2836	1400
	M36*2	28L	99		14		M54*1.5	M54*4	60		RK20-F-L2836L	1000
	M30x2	20S	96	109	16	27.5	M54*1.5	M54*4	60	55	RK20-F-S2030	965	RK20-M-S2030	1410
	M36x2	25S	96	111	18	27.5	M54*1.5	M54*4	60	55	RK20-F-S2536	972	RK20-M-S2536	1412
	M36x2	25S	103		18		M54*1.5	M54*4	60		RK20-F-S2536L	1015
	M42x2	30S	98	114	20	27.5	M54*1.5	M54*4	60	55	RK20-F-S3042	971	RK20-M-S3042	1450
40	M45x2	35L	119	136	16	34.5	M80*2	M79*4	85	80	RK25-F-L3545	2791	RK25-M-L3545	3200
	M45x2	35L	126		16		M80*2	M79*4	85		RK25-F-L3545L	2850
	M52x2	42L	119	130	16	34.5	M80*2	M79*4	85	80	RK25-F-L4252	2821	RK25-M-L4252	3200
	M52x2	42L	122		16		M80*2	M79*4	85		RK25-F-L4252	2850
	M42*2	30S	130	141	20	34.5	M80*2	M79*4	85	80	RK25-F-S3042	2850	RL25-M-S3042	3250
	M52x2	38S	125	136	22	34.5	M80*2	M79*4	85	80	RK25-F-S3852	2811	RK25-M-S3852	3250
	M52x2	38S	132		22		M80*2	M79*4	85		RK25-F-S3852L	2876

Parameters of RK Series Flat Pipeline Couplings

内螺纹DIN 3852 /Female Thread DIN 3852
ISO	A部分 Port A	尺寸								母头	重量	公头	重量
		Dimensions(mm)								Female Body	Weight	Male Tip	Weight
		D	L1	L2	L3	L4	ØE	SW1	SW2	Part Numbers	(g) ca	Part Numbers	(g) ca
10	G 1/4		58	62.5		31.5	M32*3	36	41	RK08-F-14BSP	237	RK08-M-14BSP	361
10	G 3/8		58	62.5		31.5	M32*3	36	41	RK08-F-38BSP	230	RK08-M-38BSP	370
12.5	G 1/2		67	79		36.7	M36*3	41	46	RK12-F-12BSP	328	RK12-M-12BSP	540
19	G 3/4		83.5	90		45.5	M48*3	50	60	RK16-F-34BSP	685	RK16-M-34BSP	957
25	G 1		98	114		56.5	M54*4	55	55	RK20-F-1BSP	951	RK20-M-1BSP	1372
25	G 114		101			56.5	M54*4	55		RK20-F-1BSP	930
40	G 1 1/4		125	147		67	M79*4	75	80	RK25-F-114BSP	2654	RK25-M-114BSP	3215
40	G 1 1/2		125	147		67	M79*4	75	80	RK25-F-112BSP	2678	RK25-M-112BSP	3236