Original Factory Ramie Braided Packing for Ukraine Factories

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Ramie packing is braided from natural ramie impregnated with PTFE emulsion, ramie has higher structural strength and turns soft in the water. The PTFE emulsion enhances the lubrication ability of ramie.  Technical Data Sheet   Rotating Reciprocating Valves Pressure 2Mpa 2Mpa 3Mpa Shaft Speed 8m/s rotary Temperature -50℃~+130℃ PH Range 5~11


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Original Factory Ramie Braided Packing for Ukraine Factories Detail:

Ramie packing is braided from natural ramie impregnated with PTFE emulsion, ramie has higher structural strength and turns soft in the water. The PTFE emulsion enhances the lubrication ability of ramie.

 Technical Data Sheet

 

Rotating

Reciprocating

Valves

Pressure

2Mpa

2Mpa

3Mpa

Shaft Speed

8m/s rotary

Temperature

-50℃~+130℃

PH Range

5~11


Product detail pictures:

Original Factory
 Ramie Braided Packing for Ukraine Factories detail pictures


Related Product Guide:
A Look at the Molded Gasket
O-Ring Sizes for Industrial Applications

Original Factory Ramie Braided Packing for Ukraine Factories, The product will supply to all over the world, such as: , , ,


  • UHV viewports Conflat, ISO or KF sales@dmphotonics.com

    Del Mar Photonics offer a range of competitively priced UHV viewports , Conflat, ISO or KF including a variety of coatings to enhance performance.
    When you send us your inquiry please fill out the following form to indicate all important specifications and e-mail it to us with your inquiry.

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    A vacuum flange is a flange at the end of a tube used to connect vacuum chambers, tubing and vacuum pumps to each other. Vacuum flanges are used for scientific and industrial applications to allow various pieces of equipment to interact via physical connections and for vacuum maintenance, monitoring, and manipulation from outside a vacuum’s chamber. Several flange standards exist with differences in ultimate attainable pressure, size, and ease of attachment.

    Vacuum flange types

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    A KF-25 tee, o-ring, and clamp.
    The ISO standard quick release flange is known by the names Quick Flange (QF), Klein Flange (KF) or NW, sometimes also as DN. The KF designation has been adopted by ISO, DIN, and Pneurop. KF flanges are made with a chamfered back surface that are attached with a circular clamp and an elastomeric o-ring that is mounted in a metal centering ring. Standard sizes are indicated by the nominal inner diameter in millimeters for flanges 10 through 50 mm in diameter.

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    ISO
    The ISO large flange standard is known as LF, LFB, MF or sometimes just ISO flange. As in KF-flanges, the flanges are joined by a centering ring and an elastomeric o-ring. An extra spring-loaded circular clamp is often used around the large diameter o-rings to prevent them from rolling off from the centering ring during mounting.

    The ISO large flanges come in two varieties. The ISO-K (or ISO LF) flanges are joined with double claw clamps which clamp to a circular groove on the tubing side of the flange. The ISO-F (or ISO LFB) flanges have holes for attaching the two flanges with bolts. Two tubes with ISO-K and ISO-F flanges can be joined together by clamping the ISO-K side with single claw clamps which are then bolted to the holes on the ISO-F side.

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    Several vacuum flange standards exist, and the same flange types are called by different names by different manufacturers and standards organizations. CF (ConFlat) flanges use a copper gasket and knife-edge flange to achieve an ultrahigh vacuum seal. The term “ConFlat” is a registered trademark of Varian, Inc., so “CF” is commonly used by other flange manufacturers. Each face of the two mating CF flanges has a knife edge which cuts into the softer metal gasket, providing an extremely leak-tight, metal-to-metal seal. Deformation of the metal gasket fills small defects in the flange, allowing Conflat flanges operate down to 10−13 torr (10−11 Pa) pressure. The knife edge is recessed in a groove in each flange. In addition to protecting the knife edge, the groove helps hold the gasket in place, which aligns the two flanges and also reduces gasket expansion during bake-out. For stainless steel conflat flanges baking temperatures of 450°C can be achieved; the temperature is limited by the choice of gasket material. CF flanges are sexless and interchangeable. In North America, flange sizes are given by flange outer diameter in inches while in Europe and Asia, sizes are given by tube inner diameter in millimeters. Despite the different naming conventions, the actual flanges are the same.

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