globe Valve

globe Valve Introduction

A globe valve is a type of valve used for regulating flow in a pipeline, consisting of a movable disk-type element and a stationary ring seat in a generally spherical body.Globe valves are named for their spherical body shape with the two halves of the body being separated by an internal baffle. This has an opening that forms a seat onto which a movable plug can be screwed in to close (or shut) the valve.
TATIAN's globe valves:
API 602, ASME B16.34, BS 1873, BS EN 558-1, DIN 3356, cast, forged steel, angled, bellow sealed, Class 150 - 1500, 1/2 - 30 inch

Globe Valve

globe valve, bb,cs

Design

Datian cast steel globe valves are designed and manufactured to provide maximum service life and dependability.All globe valve are full ported and meet the design
requirements of American Petroleum Institute standard API 600&6D.B SEN 1873 and generally conform to American Society of Mechanical Engineers standard AS ME
B 16.34. Valves are available in a complete range of body/bonnet materials and trims.

Rang of Materials

Standard body/bonnet materials include nine grades of carbon, low alloy and stainless steel for special applications they can be supplied in other grades of alloy and
stainless steel, there'sa full range of trim materials to match any service optional packing and gasket materials are available for a full range of service conditions.

Available Modifications For Cast Globe Valves

Trim changes
End connection modifications
Packing and gasket changes
Operator mounting
Handwheel extensions

Pressure equalizing
By-pass
Customer specified coatings
Weld end bore changes
Oxygen&chlorine cleaning&packaging

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globe valve
[A] Operating

Large hand wheels for easy operation.
Also available with gearing, motor actuators, pneumatic or hydraulic actuators for more difficult services.

[B] Live Load Packing

In services requiring frequent cycling or with high pressure/temperature variations, live loading extends the service life between maintenance periods packing gland adjustments.Belleville spring are employed to provide constant packing gland stress.

[C] OS&Y

Outside screw and yoke.
Cast steel globe valve yoke integral with bonnet for 10&and smaller.

[D] BB

Bolted bonnet welding bonnet and pressure seal bonnet in services requiring frequent cycling or with high pressure/temperature variations.

[E] End Connections

A choice of flanged, RTJ flanged or butt welding end for piping flexi bi ity.

[F] Yoke sleeve

Furnished in aluminum bronze to reduce operating torque.
Most size furnished with ball bearing yoke sleeves.

[G] Lantern Ring And Double Packing Set

Lantern ring with leak-off fitting connection and double packing stack is optionally available for critical services.

[H] Body-to-Bonnet Joint

A male and female joint or tongue and groove joint is used 150Lb to 600Lb valves, ring joint is used in the body to bonnet connection in900Lb&higher rated valves.

[I] Disc

Plug disc is stem guide donal |size.
Disc has a differential angle front these at to provide a line contact for maximum sealing.
The bottom of v-port disc is fu ided by the body seat ring for maximum disc stab ity in th rotting applications, the soft teflon ring is excellent for lower temperature service where tight shutoff required.

[J] Seat Rings

Separate heavyduty, full ported rings for easy maintenance.
Screwed or welded connection into body.

pressure seal cast steel swing check valve

Applicable Standards

● STEEL CHECK VALVES, API 594/API6D
● STEEL CHECK VAL CES.ISO 14313
● STEEL VALVES, AS ME B 16. 34
● FACE TO FACE, AS ME B 16. 10
● END FLANGES.AS ME B 16. 5
● INSPECTION AND TEST, API 598

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