Valve

When it comes to controlling the flow of liquids or gases in various industries, valves play a crucial role. A valve is a mechanical device designed to regulate, direct, or control the flow of fluids (liquids, gases, or even slurries) by opening, closing, or partially obstructing passages. Valves are essential components in a wide range of applications, ensuring efficient and precise management of fluid movement.

Your Professional Valve Supplier

Shanghai KAIKE Pipe Technology Co., Ltd. is a reputable AAA listed pipe fittings manufacturer in China,covering an area of 66666㎡ (80000+ ㎡in stage II) and with technician and engineers more than 30 personal. Its main products include BW pipe fittings(SMLS or welded), steel flange, forged pipe fittings as well as prefabricated spools and manifolds,and also can produce according to customers' drawings and requirements.

Why choose us

Our Certifications
KEK has obtained ISO9001, ISO14001, ISO18001, CE/PED, API certification and TS pressure pipe component special equipment manufacturing license, as well as Russia's EAC continuous certification.

OEM/ODM Service
OEM and ODM are both acceptable. The material, color, style can customize, the basic quantity we will advise after we discuss.

After-sale service
We have a complete after-sales service system, so you can purchase with confidence.

Carbon /Stainless Steel Global Valve
Ends—butt weld, raised faced, ring-type joint, or socket weld. Integral seat. Trim—full selection. Disc—plug, ball, or needle. Extended stem for buried or cryogenic...
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Carbon /Stainless Steel Gate Valve
Handwheel and stem adapter operated Manufactured in accordance to BS EN 1074 WRAS Approved for use with potable water Flanged to BS EN 1092-2 PN16 DN50-300mm
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Carbon /Stainless Steel Butterfly Valve
The valve body needs to have high toughness and rigidity to safeguard the internal components of the butterfly valve. Similarly, the stem and disc must exhibit these qualities to endure fluid...
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Carbon /Stainless Steel Flange Ball Valve
Compared to other types of valves, ball valve offer several notable advantages: Compact, economical designs Fast shut-off speeds Durable in high-pressure, high-volume and high-temperature...
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Carbon Steel/Stainless Steel Check Valve
Check valves are typically constructed from durable materials to endure high-pressure conditions. Common materials used in their manufacture include PVC, CPVC, bronze, brass, iron, and stainless...
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Common types of valves include

BALL VALVE Predominantly equipped with quick-acting 90-degree turn handles, these valves use a ball to control flow to provide easy on-off control. Generally accepted by operators to be faster and easier to operate than gate valves.
BUTTERFLY VALVE Using a compact design, the butterfly valve is a quick-acting rotary motion valve ideal for tight spaces thanks to its wafer type design. Butterfly valve bodies are offered in many different configurations.
CHECK VALVE Used to prevent backflow, these valves are typically self-activated allowing the valve automatically opens when media passes through the valve in the intended direction and close should flow reverse.
GATE VALVE As one of the most common valve types, gate valves use linear motion to start and stop the flow. These are typically not used for flow regulation. Instead, they used in the fully open or closed positions.
KNIFE GATE VALVE Typically used for controlling flow of media containing solids, the knife gate valve features a thin gate controlled through linear action which can cut through materials and create a seal. While not suited for high-pressure implementations, these valves are ideal for use with grease, oils, paper pulp, slurry, wastewater and other media which might obstruct the operation of other valve types.
GLOBE VALVE Globe valves are typically applied in modulating control operations. Typically avaialable in three body types, T-body (as shown above), Y-Pattern, and Angle body.
NEEDLE VALVE Typically used in small diameter piping systems when fine, accurate flow control is needed, Needle valves get their name from the point on a conical disc used within.
PINCH VALVE Often used for handling solid materials, slurries and liquids with suspended solids, pinch valves use a linear motion. Typically Pinch Valves feature an internal sleeve to isolate the media.
PLUG VALVE Using a quick-acting quarter-turn valve handle, these valves control flow using tapered or cylindrical plugs. They provide some of the best ratings when tight shutoff is essential and are reliable in high-pressure or high-temperature environments.
PRESSURE RELIEF VALVE Used to help improve safety, these valves are spring-automated and will help to return a system to the desired pressure during over-pressure events.

Over the years, our clients have realized benefits from custom valve solutions in the following areas.

Design & Manufacturing

Assembly

Product Performance

On-Site Installation

Service

New product design

Cost (down) reduction

Component integration

Supplier reduction

Miniaturization

Reduced assembly time

Reduced labor costs

Reduced inventory costs

Eliminate non-core competency items

100% tested

Enhanced performance

Greater reliability

Competitive advantages (form/fit/function)

Ease of use

Increased market share

Reduced troubleshooting

Faster installation (”plug & run”)

Reduced testing/set-up time

Reduced costs

Reduced warranty costs

Reduced service costs

Serviceability

Specifications

Control Valve Type	Custom-Engineered/Specialty
Sizes (NPS)	1/4", 1/2", 3/4", 1", 1 1/2", 2", 3", 4", 6", 8", 10", 12", 14″, 16″
Body Styles	Globe, Angle, Y-Pattern, Fabricated (XT), Single Piece, Three-Piece, Vacuum Jacketed, Steam Jacketed
Body Materials	Carbon Steel, Stainless Steel, F9, F22, Duplex, Super Duplex, Hastelloy B, C, or X, Inconel, Monel, Titanium, Zirconium, Aluminum, Aluminum Bronze
Pressure Class (ASME/ANSI)	CL150, CL300, CL600, CL900, CL1500, CL2500, CL4500
Shutoff Class (ANSI)	Class IV, Class V, Class VI
End Connections	RF Integral Flange, NPT, RTJ, Socketweld, Buttweld, Grayloc
Service	General, Low Flow, Corrosive, Erosive, Dirty, Zero Fugitive Emissions, Cavitation, Noise, Flashing
Operating Temperature	Standard, High, Cryogenic
Flow Characteristic	Equal Percentage, Linear, Bi-Linear, Quick Open, Custom
Industries	Aerospace & Defense, Chemical/Petrochemical, Food & Beverage, Industrial Gases, Metals & Mining, Oil & Gas, Power, Pulp & Paper, Refining
Standards & Norms	ANSI/ISA, ASME, CRN, NACE, PED

Valve Materials

Material	Properties	Operational Requirements
Stainless Steel	High corrosion resistance, excellent strength, durability	Ideal for corrosive environments, high-pressure, high-temperature applications
Brass	Good corrosion resistance, easy to machine, excellent ductility	Suitable for moderate pressure and temperature applications, water and gas control
Carbon Steel	High tensile strength, cost-effective	Best for high-pressure applications with low corrosion risk
Plastic (PVC/CPVC)	Lightweight, corrosion-resistant, chemically inert	Suitable for low to moderate pressure and temperature, excellent for chemical handling
Bronze	Good corrosion resistance, durable	Utilized in marine environments and low to moderate-pressure valves
Exotic Alloys (Hastelloy, Inconel)	Exceptional corrosion resistance, high-temperature resistance	Ideal for extreme environments, handling aggressive chemicals or high-temperature fluids
Titanium	High strength-to-weight ratio, excellent corrosion resistance	Suitable for aerospace, deep-sea, and corrosive industrial applications
PTFE (Teflon)	Excellent chemical resistance, low friction	Used in seals and gaskets for valves in chemical processing
Elastomers (EPDM, NBR)	Good flexibility, good sealing properties	Suitable for gasket and seal applications, particularly for industrial, food, and pharmaceutical sectors

Our Method

Options consideration

After receiving and analyzing your request, we try to find a solution among our standard products in order to provide a quick and economical solution.

Manufacturing proposal

If there is no standard solution, we design a part that fits your requirements and send you the blueprint for your approval.

Prototyping and manufacturing

After your blueprint approval, we make a 3D printing prototype (optional) and manufacture the part.

Tests and trials

Once we have the part, we perform the necessary tests to verify that it meets all quality requirements.

Additional services

We finally take care of the finishing, the marking and any extra service you may request (see below our additional services). When everything is ready, we properly pack your piece and ship it wherever you need.

Our Certificate

FAQ

Q: What is the purpose of a valve?

A: A valve is a device or natural object that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways.

Q: Main functions of a Valve

A: On/off: Starts or stops flow within a system.
Flow control: Regulates flow.
Directional flow: Determines the direction of flow.
Over-pressure protection: Safely relieves system pressure if a pressure spike occurs.

Q: Why are valves needed?

A: Wherever fluids move in a pipe, valves are needed to secure their safe and reliable flow. And this happens in most process industries – and even to make products or materials that might surprise you. Millions of valves are working day and night in various industries globally.

Q: How are valves classified?

A: They may be required to control the direction of flow, or for improving process safety. Based on flow control, valves are classified as either isolation valves or regulation valves.

Q: How do you identify valves?

A: The tags must identify the valve and usually do so by including the valve number. The tag also typically identifies the valve type and system of which the valve is a part. It's important to note that the type of valve specified is dependent upon its function rather than on the design of the valve.

Q: What are the different types of valve fittings?

A: The five most common types of pipe fitting valves used in plumbing are ball valves, butterfly valves, gate valves, globe valves, and check valves.

We're professional valve manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to wholesale high-grade valve at low price from our factory. Contact us for cheap products.

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