Quick Release Coupling

Our range of products include quick release couplings, 7241 series a couplings, 7241 series b couplings, push and pull type double check valve type, single check valve qrc and din series coupling.

Quick Release Couplings

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Product Details:

Usage/Application	To Connect Hoses With Manifolds
Brand	VE-LOCK
Material	Stainless Steel
Customisation	Customised
Material Grade	SS 316
Finish	Polished
Diameter	1/8 to 2 inch
Mfg. Standard	ISO 7241 A & B Types
Types of QRC	Single Check / Double Check/ Hole Types/High Pressure Types
Temperature Deg C	90 Degree C For NBR Seals, 200 Degree C For Viton Seals
Materials Of Construction	Metal Parts Are In C.S. or SS

Other Details:

QRC is short name of Quick release couplings or Quick disconnecting couplings or Quick couplings.
QRC is available in ISO 7241 A type & ISO 7241 B type as per standards.
QRC is available in Single check valve build type, Double check valve build in type and also in through hole type
QRC selection is depends on its application or end usage and it is applicable to connection with hoses , connection in moulds , heaters , cooling units , flexible connection with manifolds & many more.
QRC manufacturer uses latest technology and comprehensive quality control systems in designing and manufacturing.
QRC range is fabricated from qualitative raw material for ultimate durability and strength.
QRC corrosion resistant coupling come with single & double shut off valves for avoiding leakage.

Working Principle:

QRC work on Push and Pull principle. When the Adaptor is pushed to the coupler, it is accurately held by the self-locking arrangement resulting in a positive & leak proof connection. This action simultaneously opens the valve & fluid flow starts. To disconnect, pull back the sleeve of the coupler, the Adaptor ejects out and the valves shut off automatically. Valves are provided in type one way sealing & two way sealing.

Features:

Quick connect / Release Couplings eliminate valves and screw on fittings in many pneumatic, hydraulic and chemical systems.
Permits easy, safe, quick & reliable connections between delivery lines, pressure hoses etc.
Connection disconnection of fluid systems is as easy as plugging in an electric gadget.

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7241 Series A Couplings

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Product Details:

Usage/Application	To Connect Hoses With Manifolds
Brand	VE-LOCK
Material	Stainless Steel
Material Grade	SS 304
Max Working Pressure	350 Bar
Nominal Diameter	6.3 mm
Weight	0.13 Kg
Body Size	IA06
Mfg. Standard	ISO 7241 A & B Types
Types of QRC	Single Check / Double Check/ Hole Types/High Pressure Types
Temperature Deg C	90 Degree C For NBR Seals, 200 Degree C For Viton Seals
Materials Of Construction	Metal Parts Are In C.S. or SS

ISO.A couplings are the ideal choice where a tough, durable product of superior quality is required. They are perfectly suited to industrial and agricultural applications. A poppet valve is used to minimise the pressure drop characteristics and provide a positive sealing arrangement.Features:

Positive, quick connection ensured by the snap together locking ball system.
When connected the male and female halves can rotate, even under pressure, thus avoiding any torsional stress in the flexible hoses.
Designed to withstand high pressure peaks and pulses.
Poppet valves have balanced springs and calibrated oil flow passages to minimise the pressure drop.
Poppet valve seals have shockproof protective edges.

Specifications:

Body Size	Nominal Diameter	Max Working Pressure (bar)	ØA*	AF1	AF2	B	C	ØD	E	F	L	I	Weight (kg)
IA06	6.3	350	1/4"	19	19	47	32	26	11.7	5.6	64.5	22	0.13
IA10	10	300	3/8"	22	22	56	38	31	17.2	8.9	76.5	24	0.20
IA12	12.5	250	1/2"	27	27	63	44.5	38	20.5	9.3	86	30	0.34
IA19	20	250	3/4"	38	36	82	55	48	29	16	111	44	0.71
IA25	25	230	1"	45	41	97	63	54	34.3	19.8	127	52	1.10
IA32	31.5	230	11⁄4"	55	50	117	75	65	45	25	151	56	1.90
IA40	40	190	11⁄2"	60	60	135	85	80	55	30.7	171	65.5	3.10
IA50	50	130	2"	75	75	160	100	100	65	35.1	201	83.5	5.50
A*=inch size BSP or NPT. Other dimensions in mm.

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7241 Series B Couplings

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Product Details:

Usage/Application	To Connect Hoses With Manifolds
Brand	VE-LOCK
Material	Stainless Steel
Size	1/8 inch
Code	VE DC 1/8 inch
Working Pressure	300 Psi
Connection	BSP (F) x (F)
Mfg. Standard	ISO 7241 A & B Types
Types of QRC	Single Check / Double Check/ Hole Types/High Pressure Types
Temperature Deg C	90 Degree C For NBR Seals, 200 Degree C For Viton Seals
Materials Of Construction	Metal Parts Are In C.S. or SS

Product Details:

Size	VE-Lock Item	End	Diamensions in MM
T	Code	Connection	L1	L2	L	D	W.P
1/8"	VE DC 1/8"	BSP (F) x (F)	44	33	58	23	300
1/4"	VE DC 1/4"	BSP (F) x (F)	58	40	72	32	300
3/8"	VE DC 3/8"	BSP (F) x (F)	66	45	80	38	300
1/2"	VE DC 1/2"	BSP (F) x (F)	71	50	90	44	250
3/4"	VE DC 3/4"	BSP (F) x (F)	77	55	98	48	200
1"	VE DC 1"	BSP (F) x (F)	85	63	112	58	150
1 1/4"	VE DC 1.25"	BSP (F) x (F)	94	65	120	72	150
1 1/2"	VE DC 1.5"	BSP (F) x (F)	113	80	144	89	150
2"	VE DC 2"	BSP (F) x (F)	127	88	152	105	100
2 1/2"	VE DC 2.5"	BSP (F) x (F)	132	94	158	118	100
3"	VE DC 3"	BSP (F) x (F)	140	103	180	127	100
Inbuild Check Valve In Socket (Coupler) + Plug (Adaptor) Both Side
Sealing Inside – Nbr Ring

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Push and Pull Type Double Check Valve Type

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Product Details:

Usage/Application	To Connect Hoses With Manifolds
Brand	VE-LOCK
Media	Water
Working Pressure	150 Psi
Size	1/8 inch
Finish	Polished
Mfg. Standard	ISO 7241 A & B Types
Types of QRC	Double Check
Temperature Deg C	90 Degree C For NBR Seals, 200 Degree C For Viton Seals
Materials Of Construction	Metal Parts Are In C.S. or SS

Other Details:

Double check valve type QRC having in build check valves in both part as coupler & adaptor this types of qrc applied for the systems where the minimum fluid loss requirements during disconnection.
Double check valve QRC is available in ISO 7241 - b standards as general purpose & ISO 7241 -A type for high pressure application only.
Double check valve QRC used extensively when it is important to minimize fluid loss upon disconnection.
Double check valve QRC available in various sizes from 1/8 inch till 2 inch in various threads like metric , BSP, BSPT , NPT , UNF & in various end connection like hose shank , female threads , Male threads & so on.

Features:

Quick Release Couplings eliminate valves and screw on fittings in many pneumatic, hydraulic and chemical systems.
Permits easy, safe, quick & reliable connections between delivery lines, pressure hoses etc.
Connection disconnection of fluid systems is as easy as plugging in an electric gadget.

Working Principle:

Double check valve QRC work on Push and Pull principle. When the Adaptor is pushed to the coupler, it is accurately held by the self-locking arrangement resulting in a positive & leak proof connection. This action simultaneously opens the valve & fluid flow starts. To disconnect, pull back the sleeve of the coupler, the Adaptor ejects out and the valves shut off automatically. Valves are provided in type one way sealing & two way sealing.

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Single Check Valve Qrc

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Product Details:

Usage/Application	To Connect Hoses With Manifolds
Brand	VE-LOCK
Material	Stainless Steel
Media	Water
Material Grade	SS 316
Size	1/8 - 2 inch
Shape	Round
Working Pressure	500 Psi
Mfg. Standard	ISO 7241 A & B Types
Types of QRC	SINGLE CHECK VALVES TYPES
Temperature Deg C	90 Degree C For NBR Seals, 200 Degree C For Viton Seals
Materials Of Construction	Metal Parts Are In C.S. or SS

Features:

Single check valve QRC has in build check valve in coupler side & adaptor side it has through hole
Single check valve QRC is mainly used for water cooling application where adaptor will be fix in moulds /panel side & coupler part will be fix it with water piping connection which allows to stop water leakage during it is disconnecting.
Single check valve QRC work on Push and Pull principle. When the Adaptor is pushed to the coupler, it is accurately held by the self-locking arrangement resulting in a positive & leak proof connection. This action simultaneously opens the valve & fluid flow starts.

To disconnect, pull back the sleeve of the coupler, the Adaptor ejects out and the valves shut off automatically. Valves are provided in type one way sealing.
Single check valve QRC available in various sizes from 1/8 inch up to 2 inch used by various industries & having end connections like pipe thread male / female, hose shank etc.

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DIN Series Coupling

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Product Details:

Usage/Application	To Connect Hoses With Manifolds
Brand	VE-LOCK
Material	Stainless Steel
Size	1/4 - 1 inch
Working Pressure	500 Psi
Temperature Range	-30 deg to 100 deg C
Flow Rate	15-230 Lpm
Mfg. Standard	ISO 7241 A & B Types
Types of QRC	Single Check / Double Check/ Hole Types/High Pressure Types
Temperature Deg C	90 Degree C For NBR Seals, 200 Degree C For Viton Seals
Materials Of Construction	Metal Parts Are In C.S. or SS

FEATURES

Connection System: By pulling back the sleeve.
Disconnection System: By pulling back the sleeve.
Shut-off System: Poppet Valve
Connectable: without Pressure
Materials:
Body: Carbon Steel-EN1A/EN8DM
Springs: Spring Steel as per IS:4454 Grade II
Balls: AISI E-52100 Grade 100
Seals: NBR (Nitrile) Temprature Range -30° to 100°C
Backup Ring: PTFE
Surface Treatment: Zinc Plating with Cr III based Passivation.

BSP SERIES

DN	Size	Thread Type	Specifications
DN	Size	Thread Type	LP	LS	S1	S2	Dia D	L	Dia C	Max Operating Pr	Minimum Brust Pr
6.3	1/4"	1/4" BSP	36	53	22	19	27	72	14.2	350	1000
10	3/8"	3/8" BSP	40	61	27	24	35	81	18.95	300	1000
12.5	1/2"	1/2" BSP	46	63	30	27	38	87.5	20.56	300	1000
20	3/4"	3/4" BSP	56	85	38	36	48	112	27.95	250	640
25	1"	1" BSP	63	96	46	41	55	126	31.3	220	400

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Flat Face Series Couplings

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Product Details:

Usage/Application	To Connect Hoses With Manifolds
Brand	VE-Lock
Material	Stainless Steel
Size	1/4-1 inch
Diameter	28.5 mm
Temperature Range	-30 deg to 100 deg C
Flow Rate	25-230 Lpm
Max Operating Pressure	200-315 Psi
Mfg. Standard	ISO 7241 A & B Types
Types of QRC	Single Check / Double Check/ Hole Types/High Pressure Types
Temperature Deg C	90 Degree C For NBR Seals, 200 Degree C For Viton Seals
Materials Of Construction	Metal Parts Are In C.S. or SS

BSP Series:

DN	Size	Thread Type	Specifications
DN	Size	Thread Type	LP	LS	S1	S2	Dia D	L	Dia B	Max Operating Pr	Minimum Brust Pr
6.3	1/4"	1/4" BSP	52.5	59.5	22	22	28.5	101	16.1	315	1260
10	3/8"	3/8" BSP	60.6	73.8	30	30	33	119	19.7	250	1000
10	3/8"	3/8" BSP	60.6	73.8	30	30	33	119	19.7	250	1000
12.5	1/2"	1/2" BSP	73	83.5	36	36	38	139	24.5	250	1000
12.5	1/2"	1/2" BSP	73	83.5	36	36	38	139	24.5	250	1000
20	3/4"	3/4" BSP	86.2	98.5	41	41	48.5	162	29.9	250	1000
20	3/4"	3/4" BSP	86.2	98.5	41	41	48.5	162	29.9	250	1000
25	1"	1" BSP	92.2	109.5	50	50	55.5	179	36	200	800

NPT Series:

DN	Size	Thread Type	Specifications
DN	Size	Thread Type	LP	LS	S1	S2	Dia D	L	Dia B	Max Operating Pr	Minimum Brust Pr
6.3	1/4"	1/4" NPT	52.5	59.5	22	22	28.5	101	16.1	315	1260
10	3/8"	3/8"NPT	60.6	73.8	30	30	33	119	19.7	250	1000
10	3/8"	3/8"NPT	60.6	73.8	30	30	33	119	19.7	250	1000
12.5	1/2"	1/2"NPT	73	83.5	36	36	38	139	24.5	250	1000
12.5	1/2"	1/2"NPT	73	83.5	36	36	38	139	24.5	250	1000
20	3/4"	3/4"NPT	86.2	98.5	41	41	48.5	162	29.9	250	1000
20	3/4"	3/4"NPT	86.2	98.5	41	41	48.5	162	29.9	250	1000
25	1"	1"NPT	92.2	109.5	50	50	55.5	179	36	200	800

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Screw Type Couplings for Jacks

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Product Details:

Usage/Application	To Connect Hoses With Manifolds
Size	1/4 inch
Brand	VE-LOCK
Surface Treatment	Zinc Plating with Cr III based Passivation
Thread Diameter	1/4 inch NPT
Max Operating Pressure	700 Psi
Minimum Brust Pressure	1700 Bar
Temperature Range	-30 deg to 100 deg C
Mfg. Standard	ISO 7241 A & B Types
Types of QRC	Single Check / Double Check/ Hole Types/High Pressure Types
Temperature Deg C	90 Degree C For NBR Seals, 200 Degree C For Viton Seals
Materials Of Construction	Metal Parts Are In C.S. or SS

FEATURES

Connection system: By screwing togetther the two parts
Disconnecction system :By unscrewing the two parts
shut-off system :poppet valve
connecatble: under residual pressure
Materials:
Body: Carbon Steel-EN1A/EN8DM
Springs: Spring Steel as per IS:4454 Grade II
Balls: AISI E-52100 Grade 100
Seals: NBR (Nitrile) Temprature Range -30° to 100°C
Backup Ring: PTFE
Surface Treatment: Zinc Plating with Cr III based Passivation.

DN	Size (inch)	Thread Type Dia A	Specifications
DN	Size (inch)	Thread Type Dia A	LP	LS	S1	S2	Dia D	L	Dia C	Max Operating Pr	Minimum Brust Pr
6.3	1/4"	1/4" NPT	40	60	19	27	30	81	19	700	1700
10	3/8"	3/8"NPT	40	73.5	24	32	35	87	19	700	1700

Note : All dimensions are in mm, unless otherwise specified. Pressure in bar.

These dimensions are for reference only and are subject to change as per design modifications.

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Screw Type Couplings for HPSC

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Product Details:

Usage/Application	To Connect Hoses With Manifolds
Size	1/4 - 2 inch
Brand	VE-LOCK
Surface Treatment	Zinc Plating with Cr III based Passivation
Temperature Range	-30 deg to 100 deg C
Max Operating Pressure	950 psi
Minimum Brust Pressure	3800 Bar
Mfg. Standard	ISO 7241 A & B Types
Types of QRC	Single Check / Double Check/ Hole Types/High Pressure Types
Temperature Deg C	90 Degree C For NBR Seals, 200 Degree C For Viton Seals
Materials Of Construction	Metal Parts Are In C.S. or SS

FEATURES

Connection system: By screwing togetther the two parts
Disconnecction system :By unscrewing the two parts
shut-off system :poppet valve
connecatble: Without pressure
Materials:
Body: Carbon Steel-EN1A/EN8DM
Springs: Spring Steel as per IS:4454 Grade II
Balls: AISI E-52100 Grade 100
Seals: NBR (Nitrile) Temprature Range -30° to 100°C
Backup Ring: PTFE
Surface Treatment: Zinc Plating with Cr III based Passivation.

DN	Size	Thread Type	Specifications
DN	Size	Thread Type	L1	L2	S1	S2	Dia D1	Dia D2	L	Max Operating Pr	Minimum Brust Pr
6.3	1/4"	1/4"BSP	59	36	19	19	40	30	72	950	3800
10	3/8"	3/8"BSP	62	48	41	30	45	35	89.5	750	3000
12.5	1/2"	1/2"BSP	71	53	46	34	50	39.2	102	750	3000
20	3/4"	3/4"BSP	88	63	51	41	55	50	121.8	650	2600
25	1"	1"BSP	100	72.2	55	50	60	55	138.4	450	1800
31.5	11/4"	11/4"BSP	123	86.2	75	65	80	70	167.2	450	1800
40	11/2'	11/2"BSP	137.4	95.6	90	75	98	84	188.4	300	1200
50	2"	2'BSP	203.5	118	71	71	110	90	237	300	1200

Note : All dimensions are in mm, unless otherwise specified. Pressure in bar.

These dimensions are for reference only and are subject to change as per design modifications.

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Push and Pull Type Through Hole Type

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Product Details:

Usage/Application	To Connect Hoses With Manifolds
Brand	VE-LOCK
Material	Stainless Steel
Size	1/8 inch
Working Pressure	150 Bar
End Connection	BSP F X F
Material Grade	SS 304
Mfg. Standard	ISO 7241 A & B Types
Types of QRC	THROUGH HOLE TYPES
Temperature Deg C	90 Degree C For NBR Seals, 200 Degree C For Viton Seals
Materials Of Construction	Metal Parts Are In C.S. or SS

Through type QRC (quick release couplings )have no check valves.
Through type QRC are ideal for maximum flow application.
Through type QRC having smooth, open bore offers the lowest pressure drop of any quick disconnected couplings and allows them to be through cleaned.
Through type QRC is not having any check valves, fluid flow should be shut off before the coupling is disconnected.

APPLICATION

Where quickly detachable and rotatable connections are needed
Also used where regulation and closure of line is achieved by back up valves

WORKING PRINCIPLE

Quick release couplings are work on Push and Pull principle. When the Adaptor is pushed to the coupler, it is accurately held by the self-locking arrangement resulting in a positive & leak proof connection. This action simultaneously opens the valve & fluid flow starts. To disconnect, pull back the sleeve of the coupler, the Adaptor ejects out and the valves shut off automatically. Valves are provided in type one way sealing & two way sealing.

MATERIAL OF CONSTRUCTION – AS PER STANDARDS

Body » Available in Brass / C.S. - Chrome plated (From Bar stock only). Also available in S.S. - 304 & S.S. - 316 (From Bar stock only)
Spring » Available in Spring Steel S.S. - 304 / S.S. - 316 as required
Ball » Available in Steel, S.S. - 304 & S.S. - 316
Seal Materials » Available in Nitrile, Viton, Neoprene, Silicon Materials.

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Push & Pull Type - Double Check Valve Type

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Product Details:

Usage/Application	To Connect Hoses With Manifolds
Brand	VE-LOCK
Material	Mild Steel
Size	1-3 Inch
Surface Finishing	Ploished
Packaging Type	Box
Mfg. Standard	ISO 7241 A & B Types
Types of QRC	DOUBLE CHECK VALVES TYPES
Temperature Deg C	90 Degree C For NBR Seals, 200 Degree C For Viton Seals
Materials Of Construction	Metal Parts Are In C.S. or SS

Double check valve type QRC having in build check valves in both part as coupler & adaptor this types of qrc applied for the systems where the minimum fluid loss requirements during disconnection.
Double check valve QRC is available in ISO 7241 - b standards as general purpose & ISO 7241 -A type for high pressure application only.
Double check valve QRC used extensively when it is important to minimize fluid loss upon disconnection.
Double check valve QRC available in various sizes from 1/8 inch till 2 inch in various threads like metric , BSP, BSPT , NPT , UNF & in various end connection like hose shank , female threads , Male threads & so on..

WORKING PRINCIPLE

Double check valve QRC work on Push and Pull principle. When the Adaptor is pushed to the coupler, it is accurately held by the self-locking arrangement resulting in a positive & leak proof connection. This action simultaneously opens the valve & fluid flow starts. To disconnect, pull back the sleeve of the coupler, the Adaptor ejects out and the valves shut off automatically. Valves are provided in type one way sealing & two way sealing.

FEATURES

Quick Release Couplings eliminate valves and screw on fittings in many pneumatic, hydraulic and chemical systems.
Permits easy, safe, quick & reliable connections between delivery lines, pressure hoses etc.
Connection disconnection of fluid systems is as easy as plugging in an electric gadget.

MATERIAL OF CONSTRUCTION – AS PER STANDARDS

Body » Available in Brass / C.S. - Chrome plated (From Bar stock only). Also available in S.S. - 304 & S.S. - 316 (From Bar stock only)
Spring » Available in Spring Steel S.S. - 304 / S.S. - 316 as required
Ball » Available in Steel, S.S. - 304 & S.S. - 316
Seal Materials » Available in Nitrile, Viton, Neoprene, Silicon Materials

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Quick Release Coupling