China Gate Valves Manufacturer & API Gate Valve Supplier

Those who are looking for high-pressure gate valves, here is an API gate valve supplier for them. Zhuhai Kunjian Technology Co., Ltd. has a compatible solution for every industrial and commercial buyer. All you need to do is choose this wholesale gate valve manufacturer. These valves can handle high pressure and high temperatures for a long time. Valves like these support extreme working conditions because of their heavy-duty construction. End users can expect superior performance from them when it comes to tough conditions. We can assure you that our valves are a highly durable choice for chemical plants, refineries, and similar industries. All industrial users need such high-pressure gate valves from a trusted gate valve manufacturer in China for superior performance.

Certified China Gate Valve Exporter

We are a certified gate valve exporter from China whom you can trust. We comply with global standards like API 598, API 600, API 603, and ASME B16.34. This means you can trust the performance and durability of our API gate valves. We also have ISO and GB/T certificates to further strengthen the trust factor among buyers. Our production takes place in large volumes, where each valve has to go through a testing process. In terms of wholesale prices, we maintain high affordability for all buyers. You can ask for MOQs, valve specifications, and supporting details from us.

Materials, Standards & Certifications

Every China gate valves manufacturer has to prove three things to global buyers: the materials it uses, the standards it follows, and the certificates it holds. The sections below cover each one.

Available Materials & Grades

We use a number of materials for shells and seats to create a heavy-duty combination. These varieties of shell materials provide flexibility for buyers to choose what suits their application.

For shell material, we use alloy steel, high-grade cast steel (WCB), and stainless steel (CF8/CF8M).

If you look at seat material, we use Stellite. What we do is use it in hard-faced seat rings with a flexible wedge design.

Applicable Standards (API, ASME, ISO)

To stay a trustworthy API gate valve supplier, we build to multiple standards. API 600 sets the design rules for bolted-bonnet steel gate valves. ASME B16.10 sets face-to-face dimensions, and ASME B16.5 sets flange dimensions. Corrosion resistance comes from the shell material, such as CF8/CF8M stainless steel.

Bi-Directional Flow for Line Isolation

Our gate valves are ideal for two-way flow. Industries that need bi-directional flow should choose our gate valves from this China gate valves manufacturer. They provide reliable on-off service for better fluid control. Valve operators will be able to isolate lines better through our gate valves. All because of their bi-directional flow, which helps in safe maintenance operations. Chemical, food, and beverage industries can rely on these valves for efficient outcomes. The internal mechanism of valves is durable enough to bear shocks and chemical impacts. They can withstand high temperatures, pressure, chemicals, and various threats. As a result, the fluid flow remains safe and steady at every level.

Shut-off Design: Stem, Wedge & Water-Hammer Protection

These valves provide a gradual shut-off system to help reduce water hammering. This is one of the biggest advantages for safe outcomes. Since water hammering can cause internal damage to valves, this feature helps limit that damage. Another thing is the sealing efficiency, which you can expect to be high.

Their erosion-resistant sealing helps prevent internal damage for a long time. Their efficient sealing helps limit leakage.

Their vertical sliding gate provides a stable shut-off and helps protect against water hammering. The flow remains safe and reliable throughout the process. We use a flexible wedge and OS&Y (Outside Screw and Yoke) design for them. This design has a rising stem for easy visual monitoring and maintenance. The stem rises outside when open and goes inside when closed. As a result, operators can detect visually if the valve is open or closed. OS&Y is also the stem design buyers expect from an API gate valve supplier.

Size, Pressure Range & Connections

Here is what buyers need to know.These are the specifications buyers check first when they compare a China gate valves manufacturer. We provide a wide range of valve sizes and pressure ranges to make them a versatile solution for many applications.

The size range is from 2" to 48" (DN50 – DN1200)

Pressure ratings are available in ANSI Class 150, 300, 600, 900, 1500, and 2500.

The temperature range goes from -29°C to 427°C (standard carbon steel).

Design standards are available in API 600, ASME B16.34, and BS 1414.

End connections are available in flanged (RF, RTJ) to ASME B16.5; Butt-Weld (BW) to ASME B16.25.

Our API gate valves are compatible with manual handwheel, gear operator, and electric/pneumatic actuation for remote automation. That means industrial buyers can choose them for standard and advanced systems.

Low Fluid Resistance for Consistent Flow

Industrial users will expect very low fluid resistance, which means the valve components will be safe. Throughout this efficient performance, there is another advantage. There will be a very low pressure drop in performance. Our gate valves will provide consistent results, which will surely affect the overall outcome. Different industries need high-pressure flow in the valve system, and they need a dependable wholesale gate valve manufacturer like us.

Since our valves' pressure range is from ANSI Class 150 to 2500, you can understand their compatibility. This helps industries choose valves that can work perfectly in this pressure range. We are also a trusted Chinese exporter of gate valves, dispatching units that suit such scenarios worldwide. There will be high endurance, durability, and efficiency from them.

Wholesale Supply, Export & Shipping

We are a China gate valve exporter that completes all the documentation for a safe and smooth logistics process. We can provide API compliance, pressure testing, and Mill test certificates. You can ask for a commercial invoice, BL, packing list, and certificate of origin. If the valves ship in wooden boxes, we can provide a fumigation certificate or ISPM 15 treated packaging as the destination country requires. We can also share details about Incoterms depending on the contract type and shipping conditions. Contact our team today to source from a dedicated gate valve manufacturing company in China that stays committed to quality at every step.

FAQs

Which API standard do your gate valves comply with?

Our gate valves follow API 600 for design, API 603 for corrosion-resistant stainless models, and API 598 for testing.

What materials are your gate valves available in?

Our gate valves' shell material is available in alloy steel, high-grade cast steel (WCB), and stainless steel (CF8/CF8M). Also, we use Stellite as the seat material.

Do you offer rising stem (OS&Y) and non-rising stem options?

Yes, we use rising stems in our gate valves. They have a flexible wedge and an OS&Y (Outside Screw and Yoke) design with a rising stem. If you want a non-rising stem system, our team will share confirmation of availability promptly.

What size and pressure class range do you manufacture?

We have a size range from 2" to 48" (DN50 – DN1200). Similarly, pressure ratings are available in ANSI Class 150, 300, 600, 900, 1500, and 2500.

What Incoterms and export documentation do you support?

Buyers who import from a China gate valve exporter like us can get documents such as an API compliance certificate, a pressure testing certificate, and a mill test report. We can also provide a commercial invoice, BL, packing list, and certificate of origin. If the valves ship in wooden boxes, we can provide a fumigation certificate or ISPM 15 treated packaging as the destination country requires. Regarding Incoterms, there are many conditions that depend on them. The type of contract, shipping details, and various other factors will define the selection of Incoterms.

Are you a certified wholesale gate valve manufacturer, or a trading company reselling another factory's product?

We are a China gate valves manufacturer with our own production facility. Our certificates include ISO and GB/T, and we can share copies on request.

Can you provide samples or design drawings before a bulk order?

You can ask for samples if you want, and we will share them with you.

What is the MOQ for wholesale gate valve orders?

MOQ changes with size, pressure class, and material. Share your specification and quantity, and our team will confirm the MOQ and lead time.