Double Excentric – Ghibson

Double Excentric – Ghibson

by | Aug 9, 2018 |

CARACTÉRISTIQUES PRINCIPALES

Max working pressure : BVHD/BLHD DN 50÷500: 25 Bar
Flange: PN 10-16-25 • A150

Design : EN 593~EN 736
EN 12516~EN 1092~EN12266
ISO 5211~DIN 3337~API 609~ASME B16.34
PED 97/23/EC (cat III) Mod H

Face to Face : DIN EN 558-1 Series 20~ISO 5752 Series 20
BS-5155 Series 4~MSS-SP67
NFE 29305-1
API 609 cat.B
API 609 cat.A (DN 350 excluded)

Testing : EN 12266-1 Rate A ~ ISO 5208 Rate A
DIN 3230 ~ API 598
FIRE TEST API607 VI Ed. September
Class V – Met/Met

Tag : EN 19 ~ MSS SP-25

Caractéristiques de conception

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Valves Division

Globe Valve – Wuzhou Valves

Globe Valve – Wuzhou Valves

by | Aug 9, 2018 |

CARACTÉRISTIQUES PRINCIPALES

Le robinet à boisseau sphérique entièrement soudée est systématiquement construit avec des matériaux en acier forgé. Les éléments constitutifs du corps sont soudés (pas de boulons et d’écrous), pour éviter toute fuite potentielle du corps.
Le corps forgé de par sa structure régulière et d’épaisseurs constantes permet d’éviter, des cracks, des fissures, et d’ autres défauts que l’on rencontre parfois dans les corps de conception moulé
Le robinet à boisseau sphérique entièrement soudés peut être de conception sphérique ou cylindrique. Habituellement le type sphérique a un seul joint de soudure sur le corps, le type cylindrique en a deux.

Caractéristiques de conception
  • Les robinets à boisseau sphérique sont conçus conformément à ISO14313, API 6D ;
  • Passage intégral avec faible perte de charge ;
  • Injection possible de « ciment ou autres » en cas d’urgence si une fuite est détectée sur un siège ;
  • Auto-Décompressions de la cavité ;
  • Tige et sphère indépendantes ;
  • Presse-étoupe à faible émission fugitive ;
  • Conception sécurité au feu, tige antistatique et anti-éruption ;
  • Fonction de siège de vanne DBB, DIB-1, DIB-2 ;
  • Extension de tige et corps en option.
  • Revêtement optionnel en acier inoxydable sur le corps et sur la surface du siège et / ou de toutes les portées de joints d’étanchéité ;
  • Utilisable pour l’installation souterraine sans corrosion des pièces intérieures, par conséquent, ce type de robinet est idéal pour les pipelines de pétrole et de gaz naturel ;
  • Durée de vie jusqu’à 30 ans
Gamme de produits
  • Matériau du corps : acier au carbone à basse température, acier au carbone
  • Diamètre nominal : 2 « ~ 60 » (DN50 ~ DN1500)
  • Plage de pression : Class150 ~ 2500 (PN10 ~ PN420)
  • Brides de Connexion : RF, RTJ, BW
  • Température de fonctionnement : -46 ℃ ~ + 200 ℃
  • Commande par : levier, réducteur manuel, actionneur pneumatique et électrique, hydraulique, actionneur électro hydraulique, « Gas over oil actuators ».

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Valves Division

Wafer Type Dual Disc Check Valve – Wuzhou Valves

Wafer Type Dual Disc Check Valve – Wuzhou Valves

by | Aug 9, 2018 |

MAIN FEATURES

Two arch disc are fixed onto the valve body with a spindle on which two torsional springs are equipped for installing the butterfly plate onto the valve body sealing face. The butterfly plate pressed by the springs is opened by relying on the medium pressure, and the valve is closed by the spring force and the medium pressure under backflow. It can be installed on horizontal and vertical pipelines.

Design Features

Design standard as per: API 594, API 6D,ASME B16.34, GB/T 12236.

Compact and reasonable product structure, reliable tightness and good performance;
Small volume and light weight;
Applied widely;
Rapid closing and flexible actions of the valve clack
Small closing impact, water hammer is not liable to be generated;
Smooth fluid passageway and small fluid resistance;

Product Range

Body material: carbon steel, stainless steel, alloy steel

Nominal diameter: 1/2″～48″（DN15~DN1200）

Pressure range: Class150～2500（PN10~PN420）

End connection: RF, RTJ

Working temperature:-196℃～+560℃

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Swing Check Valve – Wuzhou Valves

Swing Check Valve – Wuzhou Valves

by | Aug 9, 2018 |

MAIN FEATURES

The valve is opened or closed by the valve disc to rotate around the spindle outside the valve seat; and it is an automatic valve when it is automatically opened or closed by the force generated by the medium flowing within the pipeline. Its major function is to prevent the backflow of the medium in the pipeline, reverse rotation of the pump and its driving motor, and discharge of the medium in the container.

Design Features

Design standard as per: BS1868,ASME B16.34, GB/T 12236.

Compact and reasonable product structure, reliable tightness and good performance;

Smooth fluid passageway and small fluid resistance;

Swing type disc.

Can be designed with a Damping Cylinder.

Rapid closing and flexible actions of the valve disc .

Small closing impact, water hammer is not liable to be generated.

Smooth fluid passageway and small fluid resistance.

Product Range

Body material: carbon steel, stainless steel, alloy steel

Nominal diameter: 1/2″～60″（DN15~DN1500）

Pressure range:Class150～2500（PN10~PN420）

End connection: RF, RTJ, BW

Working temperature:-196℃～+560℃

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Cryogenic Ball Valve – Wuzhou Valves

Cryogenic Ball Valve – Wuzhou Valves

by | Aug 9, 2018 | Ball Valves – CWZD

MAIN FEATURES:

Cryogenic ball valve is suitable for service of working temperature down to －196℃, such as LNG, LPG, and air separation industry. The cryogenic trunnion ball valves are produced by the most advanced technology. It is designed with LIP SEAL which can keep valves with excellent sealing performance in ultra-low temperature. Wuzhou cryogenic test laboratory can test valves up to NPS32.

Design Features

Design standard as per: BS6364、GB/T 24925

Bonnet extended

Low fugitive emission control

Lip seal

Cavity pressure self relief
adopt import seat material of stable low temperature performance
The seat and pressure relief structure can be adapt varies working condition
Top entry structure is convenience to on-line maintenance

Product Range

Body material: Stainless Steel, Cryogenic Alloy Steel, Dual-Stainless steel

Floating and trunnion mounted ball valve(Side and Top Entry)

Nominal diameter:1/2″～32″

Pressure range:Class150～1500

End connection: RF, RTJ, BW

Working temperature:-196℃～+200℃

Operation : wrench, worm gear, electric, pneumatic actuator, gas over oil actuator, electro-hydraulic actuator , etc.

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“Fully Welded” Ball Valve – Wuzhou Valves

“Fully Welded” Ball Valve – Wuzhou Valves

by | Aug 6, 2018 | Ball Valves – CWZD

MAIN FEATURES:

The fully-welded ball valve adopts forged material, welded body, instead of bolts and nuts, to aviod any potential leakage from body.

The forged body with regular structure and even thickness can avoid shrinkage cavities, pin holes, cracks, sand holes and other defects occurring to casting body valves.

Fully-welded ball valves can be spherical and cylindrical type. Usually the spherical type has only one welding seam on the body, the cylindrical type has two welding seam on the body.

Design Features

The ball valve are designed in accordance with ISO14313、API 6D;

Simple structure with good tightness and small torque;

With a fully-welded valve body, full bore and the minimum flow resistance (zero actually);

Emergency sealant injection;

Cavity pressure self relief;

Low emission packing;

Fire safe, anti-static and anti-blowout stem design;

Valve seat function DBB, DIB-1, DIB-2;

Optional extended bonnet;

Optional overlay stainless steel on body to seat surface and/or gasket container surface;

Be able to be used for underground installation without corrosion of interior parts, therefore, it is the best application for petroleum and natural gas line systems;

Service life up to 30 years.

Product Range

Body material: low-temperature carbon steel, carbon steel

Nominal diameter:2″～60″（DN50~DN1500）

Pressure range:Class150～2500（PN10~PN420）

End connection: RF, RTJ, BW

Working temperature:-46℃～+200℃

Operation:Wrench, worm gear, electric , pneumatic , gas over oil actuator and electro-hydraulic actuator.

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Valves Division