RK/KL Series Heavy-duty Used Flat Face Screw Coupler

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Heavy-duty flat face screw couplers designed for rigorous applications, providing secure, leak-free connections in demanding hydraulic systems.

Feature of RK/KL Series Heavy-duty Used Flat Face Screw Coupler

Occlusion: Flat face
Locking : Screw
Optional material: Carbon steel, 316LStainless Steel, Titanium alloy
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 bodies)
Adding safety lock-----locating pin
Increase the thread length of the connecting sleeve and enhance the positioning guide

Specification of RK/KL Series Heavy-duty Used Flat Face Screw Coupler

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/KL	ISO	Mpa	l/min	l/min	Mpa	Mpa	Mpa	cc
RK08/KL	10	42	23	46	160	160	160	0.02
RK12/KL	12.5	42	45	90	126	126	126	0.02
RK16/KL	19	42	106	160	126	126	126	0.06
RK20/KL	25	42	189	280	120	120	130	0.1
RK25A/KL	31.5	42	235	450	120	120	130	0.7
RK25/KL	40	42	288	575	120	120	130	1

Parameters of RK/KL Series Heavy-duty Used Flat Face Screw Coupler

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		64	80		31.5	M32*3	36	41	RK08-F-14BSP/KL	277	RK08-M-14BSP/KL	401
10	G 3/8		64	80		31.5	M32*3	36	41	RK08-F-38BSP/KL	270	RK08-M-38BSP/KL	410
12.5	G 1/2		74	96		36.7	M36*3	41	46	RK12-F-12BSP/KL	391	RK12-M-12BSP/KL	706
19	G 3/4		94	106		45.5	M48*3	50	60	RK16-F-34BSP/KL	799	RK16-M-34BSP/KL	1174
25	G 1		114	139		56.5	M54*4	55	55	RK20-F-1BSP/KL	1153	RK20-M-1BSP/KL	1748
31.5	G 1 1/4		141	173		67	M70*4	65	75	RK25A-F-114BSP/KL	2338	RK25A-M-114BSP/KL	3617
31.5	G 1 1/2		141	173		67	M70*4	65	75	RK25A-F-112BSP/KL	2350	RK25A-M-112BSP/KL	3550
40	G 1 1/4		141	173		67	M79*4	75	80	RK25-F-114BSP/KL	2778	RK25-M-114BSP/KL	3876
40	G 1 1/2		141	173		67	M79*4	75	80	RK25-F-112BSP/KL	2799	RK25-M-112BSP/KL	3892

Parameters of RK/KL Series Heavy-duty Used Flat Face Screw Coupler

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	ØE	ØF	SW1	SW2	Part Numbers	(g) ca	Part Numbers	(g) ca
10	M16*1.5	10L	64	80	11	31.5	M32*3		36	41	RK08-F-L1016/KL	255	RK08-M-L1016/KL	382
	M18*1.5	12L	64	80	11	31.5	M32*3		36	41	RK08-F-L1218/KL	262	RK08-M-L1218/KL	390
	M18*1.5	10S	65	80	12	31.5	M32*3		36	41	RK08-F-S1018/KL	264	RK08-M-S1018/KL	287
	M20*1.5	12S	67	80	12	31.5	M32*3		36	41	RK08-F-S1220/KL	269	RK08-M-S1220/KL	392
	M24*1.5	16S	67	82.5	14	31.5	M32*3		36	41	RK08-F-S1624/KL	270	RK08-M-S1624/KL	399
12.5	M22*1.5	15L	72	92	12	36.7	M36*3		41	46	RK12-F-L1522/KL	361	RK12-M-L1522/KL	653
	M26*1.5	18L	79	92	12	36.7	M36*3		41	46	RK12-F-L1826L/KL	391	RK12-M-L1826/KL	680
	M24*1.5	16S	74	96	14	36.7	M36*3		41	46	RK12-F-S1624/KL	385	RK12-M-S1624/KL	675
	M30*2	20S	76	96	16	36.7	M36*3		41	46	RK12-F-S2030/KL	381	RK12-M-S2030/KL	692
19	M22*1.5	15L	93.5	100.5	12	45.5	M48*3		50	60	RK16-F-L152/KL	752	RK16-M-L1522/KL	1120
	M26*1.5	18L	93.5	100.5	12	45.5	M48*3		50	60	RK16-F-L1826/KL	773	RK16-M-L1826/KL	1143
	M30*2	22L	93.5	98.5	14	45.5	M48*3		50	60	RK16-F-L2230/KL	785	RK16-M-L2230/KL	1152
	M24*1.5	16S	93.5	100.5	14	45.5	M48*3		50	60	RK16-F-S1624/KL	780	RK16-M-S1624/KL	1147
	M30*2	20S	93.5	100.5	16	45.5	M48*3		50	60	RK16-F-S2030/KL	798	RK16-M-S2030/KL	1164
25	M26x1.5	18L	106	131	12	56.5	M54*4		55	55	RK20-F-L1826/KL	922	RK20-M-L1826/KL	1350
	M30x2	22L	108	133	14	56.5	M54*4		55	55	RK20-F-L2230/KL	1135	RK20-M-L2230/KL	1703
	M36*2	28L	108	133	14	56.5	M54*4		55	55	RK20-F-L2836/KL	1065	RK20-M-L2836/KL	1715
	M30x2	20S	112	135	16	56.5	M54*4		55	55	RK20-F-S2030/KL	1153	RK20-M-S2030/KL	1720
	M36x2	25S	112	137	18	56.5	M54*4		55	55	RK20-F-S2536/KL	1085	RK20-M-S2536/KL	1723
	M42*2	30S	114	139	20	56.5	M54*4		55	55	RK20-F-S3042/KL	1155	RK20-M-S3042/KL	1726
31.5	M45*2	35L	135	157	16	67	M70*4		65	75	RK25A-F-L3545/KL	2330	RK25A-M-L3545/KL	3583
	M42*2	30S	139	167	20	67	M70*4		65	75	RK25A-F-S3042/KL	2315	RK25A-M-S3042/KL	3577
	M52*2	38S	141	163	22	67	M70*4		65	75	RK25A-F-S3852/KL	2331	RK25A-M-S3852/KL	3603
40	M45x2	35L	135	163	16	67	M79*4		75	80	RK25-F-L3545/KL	2770	RK25-M-L3545/KL	3342
	M52x2	42L	135	157	16	67	M79*4		75	80	RK25-F-L4252/KL	2760	RK25-M-L4252/KL	3350
	M42*2	30S	146	168	20	67	M79*4		75	80	RK25-F-S3042/KL	2750	RL25-M-S3042/KL	3364
	M52x2	38S	148	163	22	67	M79*4		75	80	RK25-F-S3852/KL	2782	RK25-M-S3852/KL	3887