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,...

Company News
Posted 2020-12-03

Stainless Steel Gate Valve, ASTM A351 CF8M

Stainless Steel Gate Valve, ASTM A351 CF8M We produced same DIN gate valve to one of clients in Europe. Product description: EN1984 GATE VALVE. OS & Y, BB, rising stem, flexible wedge, full port. Flanged acc. EN1092-1 Form B2. Face to face dimension acc EN558-1 line 26. body/bonnet/wedge: 1.4408. Stem/internal parts: AISI 316. Seats: full stellite. DN80/PN100 with Hand wheel....

Industry News
Posted 2020-12-01

Types and Selection of Electric Valves

Types of electric valves The electric valve is a valve driven by electric energy and is mainly composed of the electric actuator and various valves. The electric valve is easy to use, and it can run when the switch is turned on, so it is the most commonly used automatic control valve. There are many types of electric valves, including electric control valves, electric ball valves,...

Company News
Posted 2020-11-09

API 602 Swing Check Valve in Material ASTM B148 C95500

Aluminum Bronze ASTM B148 C95500 for sea water. We finished and delivered several special material check valves to one of our customers in Mexico. Details are as follows. Product description: API 602 swing check valve. ***Bolted cover. ***Body/cover: ASTM B148 C95500. ***Disc: ASTM B150 C63000. ***Trim: ASTM B150 C63000. ***End connection: FNPT as per ASME B1.20.1. ***Face to face dimension...

Company News
Posted 2020-11-02

Angle Type Globe Valve

In this column we mainly introduce some angle type globe valve we produced to our European clients. 1. Name: DIN Angle type globe valve. Design: EN ISO 15761. Size: DN15, DN20, DN25, DN40, DN50, DN65, DN80. Pressure: PN10, PN16, PN25, PN40, PN63, PN100, PN160, PN250, PN420. Body material: ASTM A105N, ASTM A182 F304, ASTM A182 F316, ASTM A182 F321. Connection ends: Flange, SW,...

Company News
Posted 2020-10-26

DIN Small Size Globe Valve in Forging Materials

Are you searching for DIN small size globe valve in S type? Look over here! In this text, let me introduce full bore DIN globe valve below DN50 (including) in forging materials produced by us to you. A. Full bore globe valve below PN40 (including). Valve type: Globe Valve. Design: DIN 3356, EN 13709. Pressure: PN16, PN25, PN40. Bore: FULL bore. Size: DN15, DN20, DN25, DN40, DN50. ...

Industry News
Posted 2020-10-15

The Selection and Application of Butterfly Valves

The butterfly valve is suitable for flow regulation. Because the pressure loss of butterfly valves in the pipeline is relatively large (it is about three times that of gate valves), the influence of the pressure loss on pipe systems should be fully considered when the butterfly valve is to be selected. Also, take into consideration the firmness of the disc bearing the pressure...

Industry News
Posted 2020-10-11

Structural Features and Pressure Test Methods of Plug Valves

Structural features of plug valves Plug valves are valves with cylindrical or conically tapered "plugs" which can be rotated inside the valve body to control flow through the valve. The plugs in plug valves have one or more passages through the plug, so that fluid can flow through the plug when the valve is...

Company News
Posted 2020-09-21

Big Size Gate Valves with the Gearbox and Hand Wheel

Big Size Gate Valves We produced big size gate valves to one of our clients in Europe. Product description: GATE VALVE with the gearbox and hand wheel. Design: 1984. BB, OS & Y, Rising stem. Backseat, Flexible wedge. With bottom feet for standing. Ends Connection: Flange Ends as per EN 1092-1, type B1. Face to face as per EN 588, series...

Industry News
Posted 2020-09-21

Tips for Pneumatic Butterfly Valves

Test and adjustment of pneumatic butterfly valves Whether manual, pneumatic, hydraulic or electric butterfly valves, all their parts have been strictly debugged before leaving the factory. When rechecking the sealing performance, users should evenly fix the inlet and outlet sides, close the butterfly valve, pressurize the inlet side, observe whether there is leakage at the outlet side,...

Company News
Posted 2020-09-04

API 602 Gate Valves with Hand Wheel Operation

Aluminum Bronze ASTM B148 C9500 for sea water. We finished & delivered a small qty of special material valves to one of our customers in Mexico. Details are as follows. Product description: API 602 gate valves with hand wheel operation. OS&Y, BB, solid wedge. Body/trim: ASTM B148 C95500. End connection: F-NPT as per ASME B1.20.1. Face to face dimension as per MFG STD....

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