Selection Principles of Valve Bonnet Bolts’ and Gaskets’ Materials

Selection Principles of Valve Bonnet Bolts’ and Gaskets’ Materials

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 wil...

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Baltic Has Delivered the DIN Wedge Gate Valve

Baltic Has Delivered the DIN Wedge Gate Valve

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=...

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Baltic Delivered the Angle Type Globe Valve

Baltic Delivered the Angle Type Globe Valve

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 For...

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New Purchase Order of Special Valve with Bypass

New Purchase Order of Special Valve with Bypass

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. EN55...

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Shipment of DIN Forge Material Globe Valve Last Week

Shipment of DIN Forge Material Globe Valve Last Week

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 &nda...

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An Inquiry for Duplex Stainless Steel Last Week

An Inquiry for Duplex Stainless Steel Last Week

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 B16.1...

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Two Batches of Shipments Last Week

Two Batches of Shipments Last Week

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 ...

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Gate Valve Versus Globe Valve

Gate Valve Versus Globe Valve

1. Structure Gate valve is shorter and higher than globe valve, so it needs attention to install rising stem valve. In case of the limited space, people should note that what kind of valve is appropriate. Gate valve is able to close the sealing surface relied on medium pressure, thus it can achieve the effect of no leakage. When opening or closing valve, the spool and the sealing surface of s...

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Soft Seal Ball Valve & Metal Hard Seal Ball Valve

Soft Seal Ball Valve & Metal Hard Seal Ball Valve

There are many kinds of ball valve used in different working condition according to different structure forms, connection methods and body materials. The seal form of all types of ball valve can be classified into two categories: soft seal and hard seal. Due to different sealing materials, their characteristics, performance and applicable working condition will also be different.   1. Speakin...

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