Company News
Posted 2021-06-09

DIN Globe Valves with Small Sizes in Casting Materials

Last month we produced and shipped some DIN globe valves with small sizes in casting materials to one of our European clients. Every year we manufacture thousands of DIN globe valves with special body types for our European clients. Let me share some pictures and our drawing with you. Product descriptions DIN 3356 globe valves with hand wheels ***OS&Y, BB,...

Company News
Posted 2021-06-02

DIN Gate Valves Delivered to Europe (PN100 Series)

166 pieces gate valves were loaded in two containers whose sizes are 20 inches, which were delivered to Europe for one of our important customers. This customer purchases a lot of valves from us each year. There are three layers of coatings for these gate valves, including the primer, the intermediate layer and the finish. The finish has a dry film thickness of 100μm. The gate...

Company News
Posted 2021-06-01

DIN Gate Valves Shipped to Europe (PN63 Series)

We shipped stock DIN gate valves to one of our important customers in Europe. 166 pieces valves were loaded in two containers of 20 inches, which are only partial DIN valves for this customer. There are three layers of coatings for these valves, namely, the primer, the intermediate layer and the finish. The finish has a total dry film thickness...

Company News
Posted 2021-05-31

DIN Gate Valves Delivered to Europe (PN40 Series)

This month we delivered DIN stock gate valves to one of our important clients in Europe. There are total 166pcs valves loaded for two containers of 20 Inches. This is only a small part of DIN valves compared with a large quantity of valves purchased by this customer every year. These valves have three layers of special coatings: a primer, an intermediate layer and a finish...

Company News
Posted 2021-04-08

ASTM B148 C95800 ball valves

We finished manufacturing some aluminium bronze ball valves in ASTM B148 C95800 for a marine project and the details are as follows. Product description Ball valve with gearbox operation 2-pc body, side entry Floating ball, solid ball, full bore Anti blow-out proof shaft Fire Safe design: API 607 Anti static device Valve design: API 6D Ends connection: FF flange (flat...

Company News
Posted 2021-03-31

Large Diameter Gate Valves with Hand Wheel Operation

We just finished a project that requires large diameter gate valves in high pressure with a special requirement on hand wheel operation. It's a project for a Middle East country. Product description API 600 gate valve with hand wheel operation (OD=680MM) O.S&Y, BB, rising stem, full port Flexible wedge with back seat. Materials Body: ASTM A216 WCB Trim: 8# ...

Company News
Posted 2021-03-23

The Cryogenic Valves for a Low Temperature of -196℃

The following API 602 cryogenic gate valves are shiped for one of our European clients. The descriptions are as follows. If you want to place an order, you are welcome to contact us via email: [email protected]. Product description API 602 cryogenic gate valve with hand wheel Extension stem, with drip plate O.S&Y, BB, Rising Stem Reduce port , solid Wedge...

Company News
Posted 2021-03-19

Cryogenic Valves for a Low Temperature of -196℃

We just sent several cryogenic gate, globe and check valves to one of our European clients. This passage just shows you the cryogenic gate valves. If you are interested, please contact us via email: [email protected]. Product description API 600 cryogenic gate valve with handwheel Extension stem, with drip plate O.S&Y, BB, Rising Stem, full port Flexible Wedge with...

Industry News
Posted 2021-03-04

Main Factors Affecting the Sealing of the Valve

The following are the main factors affecting the sealing of the valve. The sealing pair structure With the change of temperature or sealing force, the structure of the sealing pair will change, which will affect and change the force between the sealing pairs, thus impairing the sealing of the valve. It is necessary to choose seals with elastic deformation. At the same time, pay...

Industry News
Posted 2021-02-25

The Selection of Valve Sealing Surface Materials

The sealing surface is the most critical working surface of the valve; the quality of sealing surfaces directly affects the service life of the valve; the material of the sealing surface is an important factor to ensure the quality of the sealing surface. The following factors should be considered during the selection of valve sealing surface materials. 1. Corrosion resistance The corrosion of...

Industry News
Posted 2021-02-06

Measures to Prevent Corrosion of Metal Valves

1. Improve the machining technology and structure of valves. Measures to prevent corrosion should be considered from the beginning of valve design. A valve with reasonable structural design and correct machining technology will undoubtedly have a good effect on reducing the corrosion of valves. Therefore, the related departments should improve the valve parts which are...

Company News
Posted 2021-01-27

API 600 Pressure Seal Bonnet Gate Valve, ASTM A217 C12A

API 600 pressure seal bonnet gate valve in special material ASTM A217 C12A Look at our project of the pressure seal bonnet gate valve in special material ASTM A217 C12A with RT level castings. Are you interested in such products? Pls feel free to email us at [email protected]. Product description: GATE VALVE, bare stem + ISO top flange for mounting the electric actuator OS&Y, Pressure Seal...

Company News
Posted 2021-01-22

The Gate Valve with Gearbox, ASTM A216 WCB, API 600

API 600 gate valve with gearbox, high performance Class 600 LB, bonnet gasket RTJ ring, material SS304 Product description: API 600 gate valve with gearbox OS&Y, BB, Rising Stem, full port Flexible Wedge with Back Seat Materials Body: ASTM A216 WCB Trim: 5# Stem: ASTM A182 F6A Wedge: WCB + Stellite Body Seat: A105 + Stellite Bonnet Gasket: RTJ Ring Connection:...

Company News
Posted 2021-01-20

API 600 Gate Valves for the Steam Pipe

API 600 gate valves for the steam pipe We just finished and delivered two 40 Inch GP gate valves to one of our clients in Vienna, Austria. Product description: API 600 gate valve with gearbox OS&Y, BB, Rising Stem, full port Flexible Wedge with Back Seat Materials Body: ASTM A216 WCB Trim: 8# Stem: ASTM A182 F6A Wedge: WCB + 13Cr Body Seat: A105 + Stellite Stem...

Industry News
Posted 2021-01-20

Differences between the Three Kinds of PCS Ball Valves?

The PCS ball valve comes in single piece, two piece or three piece designs. What are the differences between the three? The structure The one piece ball valve is composed of the ball, PTFE O-ring and lock nut. The diameter of the ball is slightly smaller than that of the pipe, which is similar to the wide ball valve. The two piece ball valve consists of two parts. Its sealing...

Industry News
Posted 2021-01-14

Valve Cleaning and Lubrication

The purpose of valve maintenance is to ensure that the valve is clean and well-lubricated all the time. Besides, the purpose is to make sure the valve has complete parts and is in the normal operating state all the year round. Valve cleaning The valve surface, the trapezoidal thread of the valve stem and the stem nut, gears, worm gears, worms and other parts are prone to be stained...

Industry News
Posted 2021-01-09

Comparison Between Wafer-style and Flanged Butterfly Valves

Butterfly valves are not only widely used in general industry such as petroleum, gas, chemical industry and water treatment, but also used in the cooling water system of a thermal power station. The butterfly valve can be divided into wafer-style one and flanged one. For the flanged butterfly valve, flanges are set at both inlet and outlet ends of the valve body and they are connected...

Industry News
Posted 2021-01-04

Causes of Valve Leakage

Causes of internal leakage of valves during construction 1. Improper transportation and hoisting cause the overall damage of the valve, resulting in internal leakage of the valve. 2. Before the valve leaves the factory, drying and preservative treatment are not performed after the water pressure test is finished, leading to corrosion of the sealing surface and internal...

Company News
Posted 2020-12-15

Special Gate Valves, ASTM A351 CF3A, ASTM A217 WC6

We produced some special gate valves to one of clients in Vienna, Austria. Product description: API 600 GATE VALVE with hand wheel operated. OS&Y, BB, rising stem, Flexible wedge, full port. End connection: ASME B16.5. Face to face dimension: ASME B16.10. Body/bonnet/wedge: ASTM A351 CF3A. Stem/internal parts: AISI 304L. Seats: Full stellite. Item 1) 2qty 3 Inch x 600...

Industry News
Posted 2020-12-08

Technical Requirements for Valve Assembly

Valves are a kind of commonly used hardware products. There are certain technical requirements for valve assembly. Otherwise, the assembled valve cannot reflect its excellent performance. What are the technical requirements of valves before and during assembly? Technical requirements before valve assembly 1. According to processing requirements, some parts need to be polished,...

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