Dated April 25th, we delivered a big quantity of EN1984/DIN 3352 gate valves to one of our customers in Austria. The customer buys a large quantity of valves from us every year. Generally: GATE VALVE, design as per EN1984/DIN 3352 outside screw and yoke with hand wheel/gearbox body/bonnet GS-C25 trim 13%Cr flanged according EN 1092-1 type B1 for PN40 and B2 for PN63 and PN100...
The valve made by Super duplex stainless steel ASTM A890 6A We just delivered some special material check valves to a UK customer. The raw castings made by Zhengjiang Shidai casting foundry has top quality. Generally: Dual-plate check valve, wafer type ***design as per API 594 ***for mounting between two flanges, as per ASME B16.5 ***body: ASTM A890 6A ***disc: ASTM A890 6A ***trim:...
Taboo 6 There are no holes or embedded parts in the building structure under construction. The size of the holes is too small and the embedded parts are not marked. Consequences: During the construction of Heating Engineering, Building Water Supply and Drainage and Sanitary Engineering, the construction structure is changed and even the principle reinforced steel bar is cut off, affecting safety of...
It's not easy to install a valve, and do you know that there are 14 taboos for installing a valve? If you break the taboo, there will be some consequences. How are you going to solve the problem caused by breaking a taboo? Taboo 1 The hydrostatic test is taken under subzero temperature during winter construction. The consequence: The pipe will be damaged due to the frozen liquid in the pipe when...
We just delivered big size gate valve to one of our American customers, and the detailed specification is as follows. Medium is HS vapour (that means hot steam but can also be hydrogen sulfur) Design pressure 47 bar Design temperature 470°C Generally: GATE VALVE, bare stem + ISO top flange 5210 for mounting AUMA in Austria ***design API 600 ***bolted bonnet, O.S&Y. rising stem ***flexible...
We just delivered ASTM B148 C95500 gate valves for sea water to one of the Mexico customers, details as follows. General description: GATE VALVE with handwheel ***design API 602 ***test as per API 598 ***solid wedge, reduce bore ***O.S.&Y, bolted bonnet, rising stem ***connection ends: F-NPT ends as per ASME B1.20.1 ***face to face as per manufacture standard ***body/trim:...
It is known that the valves used for the petroleum and natural gas transportation pipelines are usually the full welded ball valves, and it can be said that the full welded ball valves are the critical parts of the long-distance pipelines. With the development and progress of all aspects of our country, the demand for oil and natural gas is also increasing, which makes the requirements of the full...
The valves used for the water supply pipes should be selected according to the following principles. 1. The globe valve should be selected when the diameter of the water supply pipe is smaller than 50mm; the gate valve or the butterfly valve is supposed to be used when the diameter is larger than 50mm. 2. The control valve or the globe valve should be chosen when the valve is going to be used to regulate...
We just delivered a great number of diaphragm valves to our European customers. They have very high requirements on the diaphragm valves. Diaphragm valves: Design: FEP lined, weir patter, bolted bonnet with grease fitting, handwheel, visual position indicator. Flanged Ends: acc. ANSI B16.5-Class150 RF. Face to Face: acc. BS 5156. Body: ASTM A216 WCB. Bonnet: ASTM...
Most of valves on the market have the shortcoming of poor sealing performance, and many purchaser have no way to solve the problem. After the long-term and careful study, Baltic has found the following five methods to help you solve the poor sealing performance of valves, and here we are glad to share the methods with you. 1. The method of grinding The fine grinding not only...
The selection of valves should be based on the following principles. Meeting the requirements of production processes Valves should meet the needs or requirements of media, working pressure, operating temperature, usage, etc., which is the most basic principle of the valve selection. If you need the valve to play the role of overpressure protection or...
There are various types of check valves' clacks since check valves can be divided into several categories. The clacks of swing check valves The clacks of swing check valves can be divided into the conventional type and the tilting type, and usually, the conventional type clacks are the default choices of many valve manufacturers. For the tilting type clacks, due to the balanced action of...
Swing Check Valves 1. When install swing check valves, they should be installed horizontally as far as possible and when they are used for vertical pipes, the media flowing from the bottom to the top should be ensured. 2. Subject to the structure, swing check valves are not suitable for pipelines with DN40 and below DN40. 3. For large diameter pipes, for example, above DN400,...
The general selection principles of valve bonnet bolts' materials are given as follows. 1. There is a tightening in hot condition process of pipe connection flange bolts when pipe connection flanges are in the beginning period of operation, but there is no need for the valve bonnet bolts to have the tightening in hot condition process. Therefore, the valve bonnet bolts will...
Tyep: DIN Wedge Gate Valve. Size: DN100. Pressure: PN100. Quantity: 7PCS. Design: Bare Stem, ISO-flange for Mounting AUMA, Outside Screw and Yoke, acc. EN 1984. Body and Bonnet Material: Stainless Steel A351 CF8. Stem Material: Stainless Steel A182 F51. Bonnet: Bolted Bonnet. Stem: Rising Stem. Seat: Back Seat. Bore: Full Bore. Wedge: Flexible. Face to Face: acc. EN558-1/26 (L=350MM)....
Baltic just delivered valves as follows. Angle type Globe valve Design: OS&Y, Full Bore, Weld-on Flanges. Bonnet: Bolted Bonnet. Stem: Rising Stem. Face to Face : As per DIN 3202 F33. Body Material: 1.4301, ASTM A182 F304. Trim Material: 1.4301, AISI 304. Seats: Stellite. Packing: Graphite. Flanged acc. EN1092-1, Inlet Form H, Outlet Form...
On May 3rd, we got a new purchase order of special valve with bypass from West European customer. Type: DIN Gate Valve. Amount: 8 Pcs. Size: DN400. Pressure: PN25. Design: acc. EN1984, OS&Y, Flexible Wedge, Full Bore. Bonnet: Bolted Bonnet. Stem: Rising Stem. Flanged acc. EN1092-1, Form B1 . Application: Prepared for Actuator. Face to face: acc. EN558-1/...
Last week, we delivered several hundreds of special valves and the details are listed as follows. Type: Globe Valve. Material: Forged Material. Standard: DIN Type. Size: Small Size. Operation: Hand Wheel. Stem: Rising Stem. Connection Ends: Flanged. Body: A105. Trim: Nr 8# - Half Stellite. DN15 – PN160 200PCS DN20 – PN160 200PCS DN25 –...
Last week, we received an inquiry for duplex stainless steel Gate Valve, manual operation. Please check the following information. Type: Duplex Stainless Steel Gate Valve, Manual Operation, Consist of Bolted Bonnet, Outside Screw and Yoke, Rising Stem, Flexible Wedge. Material: Duplex Stainless Steel, ASTM A890, Gr. 4A. Design: API 600. Flange End: ASME B16.5. Face to Face: ASME B16.10. ...
A. First Patch of Stock Valves Last weekend we delivered the first patch of stock valves by vessel for one of our important clients in Europe. This is just a small part of Din valves for this client. Every year we ship six patches of valves for the important client in Europe. The total 110 pcs gate valves of five different sizes were loaded on a 40" container. GATE VALVE DN200-PN40: 15...