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Hydraulic Check Valves

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MOQ : 1 Piece

Hydraulic Check Valves Specification

Material
Carbon steel, Cast iron, Stainless steel (on request)

Features
High pressure performance, Leak proof design, Compact size

Valve Size
DN6 to DN50

Control System
Manual/automatic flow direction control via pressure

Valve Type
Hydraulic Check Valve

Connection Type
Threaded or flange end

Voltage
Not applicable (mechanical operation)

Sealing
Nitrile, Viton or PTFE seals

Structure
Two-way inline or block-mounted

Application
Hydraulic systems, Industrial machinery, Fluid control

Type
Non-return (check) valve

Power
Hydraulic actuated

Pressure
Up to 350 bar (5075 psi)

Media
Hydraulic oil, Water-glycol, Mineral oils

Port Size
1/4 inch to 2 inch (varies by model)

Temperature
-20C to 120C (approx.)

Disc
Metal disc or poppet

Pin
Steel/Alloy pin for longevity

Compatibility
Supports mineral oils, synthetic hydraulic fluids

Response Time
<50 milliseconds

End Connection Standards
BSP, NPT, SAE as per request

Coating
Black oxide or corrosion resistant finish

Maintenance
Easy disassembly for inspection and service

Cracking Pressure
0.5 bar to 6 bar (selectable)

Flow Direction
Uni-directional

Mounting Type
Inline, Sub-plate mounted, or Cartridge

Hydraulic Check Valves Trade Information

Minimum Order Quantity
1 Piece

Payment Terms
Cash on Delivery (COD), Cash Advance (CA), Letter of Credit (L/C), Western Union, Paypal, Delivery Point (DP), Cash Against Delivery (CAD), Telegraphic Transfer (T/T), Days after Acceptance (DA), Cash in Advance (CID), Cheque

Supply Ability
100 Pieces Per Day

Delivery Time
7-30 Days

Sample Available
Yes

Sample Policy
Sample costs shipping and taxes has to be paid by the buyer

Main Domestic Market
All India

Hydraulic Check Valves About

Hydraulic Check Valves

With due diligence, the provided Hydraulic Check Valves are manufactured with utmost perfection using exceptional quality raw materials at our vendors premises. Driven with hydraulic force, the offered valves are used in different industries. Available in various sizes and finishes, the provided valves are also tested on defined parameters of quality by our quality professionals. Moreover, we provide these Hydraulic Check Valves at negotiable prices to the clients.

Key Features:

Precisely engineered
High durability
Flawless finish
Easy to install

Veljan Hydraulic Check Valves

Model No.	Nominal Size		Max. Flow		Max. Pressure		Mounting options
Model No.	Inch	mm	gpm	lpm	psi	bar
	CHECK VALVE
VIC03 -06-10	3/8 - 1 1/4	10 to 32	13 -106	50 - 400	4500	350	Threaded
VC5V06	3/4"	20	26	100	3000	210	Flange
VC5V08	1"	25	53	200	3000	210	Flange
VC5V10	1 1/4	32	106	400	3000	210	Flange
VC5V12	1 1/2	38	198	750	3000	210	Flange
VC5V16	2"	50.8	263	1000	3000	210	Flange
VC4V03	3/8"	10	48	180	5000	350	Subplate / Threaded /Cartridge
VC4V06	3/4"	20	95	360	5000	350	Subplate / Threaded /Cartridge
VC4V10	1 1/2"	38	119	450	5000	350	Subplate / Threaded /Cartridge
	PILOT OPERATED CHECK VALVE
VC4V03	3/8"	10	48	180	5000	350	Subplate / Threaded /Cartridge
VC4V06	3/4"	20	95	360	5000	350	Subplate / Threaded /Cartridge
VC4V10	1 1/2	38	119	450	5000	350	Subplate / Threaded /Cartridge
	AIR BLEED OFF VALVE
VABO4	1/4"	6	-	-	5000	350	Threaded

TECHNICAL SPECIFICATIONS

SERIES		VITC 03	VITC 06	VITC 10
Maximum pressure
	psi	4500
	Bar	315
Maximum Displacement
	In/rev	3/8-3/4-1 1/4
	Cm/rev	10-20-32
Maximum Speed	rpm	50-200-400

TECHNICAL SPECIFICATIONS

SERIES		VC5V10	VC4V10	VC4V06
Maximum pressure
	psi	3050	5000	5000
	Bar	210	350	350
Maximum Displacement
	In/rev	1 1/4	1 1/2	3/4
	Cm/rev	32	38	20
Maximum Speed	rpm	400	450	360

Flexible Mounting and Connection Options

Choose from versatile mounting configurations including inline, sub-plate, or cartridge for straightforward integration into existing hydraulic setups. End connection options such as BSP, NPT, or SAE threads cater to diverse system requirements. Port sizes range from 1/4 inch to 2 inches, accommodating various flow capacities and installation spaces.

Engineered for High Performance and Longevity

These hydraulic check valves excel in high-pressure environments up to 350 bar, with a leak-proof design and fast response time (<50ms). Constructed using quality materials-aluminum, carbon steel, or cast iron-they're also available in stainless steel for specialized environments. The use of durable metal discs or poppets, and premium sealing combinations, ensures longevity and dependable performance.

Low Maintenance and Versatile Applications

Designed for easy disassembly, inspection, and servicing, these valves minimize downtime in maintenance processes. Their compatibility with a wide range of fluids-including mineral oils, synthetic hydraulic fluids, and water-glycol-makes them a fit for hydraulic systems, fluid control, and industrial machinery. Corrosion-resistant finishes further support use in demanding environments.

FAQ's of Hydraulic Check Valves:

Q: How do I select the appropriate mounting type for my hydraulic check valve?

A: The choice of mounting type-inline, sub-plate, or cartridge-depends on your hydraulic system's layout and space constraints. Inline is ideal for simple line installations, sub-plate mounts fit manifold systems, and cartridge types are suitable for compact assemblies. Consult technical drawings or system engineers for compatibility.

Q: What benefits does a selectable cracking pressure provide?

A: Adjustable cracking pressures from 0.5 bar to 6 bar allow system designers to match the valve's opening threshold with specific operational requirements, optimizing both performance and energy efficiency. This feature enhances control and protection against backflow in various hydraulic circuits.

Q: When should I service or inspect my hydraulic check valve?

A: Routine servicing intervals depend on application intensity, fluid cleanliness, and operating conditions. However, regular inspection during scheduled equipment maintenance ensures optimal valve performance, prompt detection of wear, and maximized valve lifespan, thanks to the valve's easy disassembly design.

Q: Where can these hydraulic check valves be installed?

A: These valves are commonly installed in hydraulic systems, industrial machinery, and fluid piping where backflow prevention is necessary. Their compact size and selectable connection types make them suitable for both centralized and distributed hydraulic circuits.

Q: What process is involved in maintaining or replacing these check valves?

A: Maintenance is straightforward: depressurize the system, unscrew or unbolt the valve, inspect internal components such as seals and discs for wear, clean as needed, and reassemble. The valve's design supports quick disassembly, minimizing downtime during inspection or part replacement.

Q: What are the advantages of your valves' material and coating options?

A: With materials like aluminum for lightweight needs, carbon steel and cast iron for durability, and stainless steel for corrosion resistance, these valves suit a variety of environments. Finishes like black oxide or corrosion-resistant coatings extend operational life, especially in harsh or outdoor settings.

Q: Are these hydraulic check valves suitable for different fluids and temperature ranges?

A: Yes, the valves are engineered for compatibility with mineral oils, synthetic hydraulic fluids, water-glycol, and certain gases. They perform reliably at temperatures ranging from -20C to 120C, aided by durable sealing options (Nitrile, Viton, PTFE) for varied fluid chemistries.

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