Severn LG2
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SEVERN GLOCON – Control Valve

Product Description

SEVERN GLOCON – Control Valves

The Severn Glocon Group provides world-class engineered valve products and services to power and process plants across the globe. The Severn Glocon brand is recognised globally for innovative solutions for control valve applications and critical shut off, with a 50 year heritage in the design and production of engineered valve products and services. This experience and capability has been developed into the specialisation of severe service control and high pressure isolation applications for the thermal power industry. Our innovative valve solutions can be deployed across combined cycle (CCPP), conventional coal, combined heat and power (CHP) and renewable (biomass, solar and waste to energy).
Severn Glocon’s critical service valves for turbine bypass, steam conditioning, severe service control and butterfly valves are designed and manufactured in the UK. Severn Glocon also has a state of the art manufacturing facility
in India for general service control valves.

Application

Upstream Oil and gas Production:

  • Compressor Anti-Surge Recycle
  • Pump Minimum Flow Re-circulation
  • Separator Level Control
  • Production & Re-injection Choke
  • Discharge to Flare
  • Export Pump Minimum Flow Re-circulation

Gas Gathering, LNG & NGL Production, Export & Import Facilities:

  • Compressor Anti-Surge Recycle
  • Discharge to Flare
  • Cryogenic Applications
  • Joules Thompson Valves
  • Methanol / Glycol Injection

Air Separation:

  • Cold Box
  • Joules Thompson Valves
  • Top Entry Design
  • Compressor Anti-Surge
  • High Process Oxygen valves for Pressure Reduction Station
  • Distribution Valves

Oil & Gas Transmission Pipelines:

  • Pressure Reducing Station
  • Black Powder Contaminated Application
  • Pipeline Flow Control

POWER:

  • Turbine bypass,
  • Feed water regulation
  • Boiler feed pump minimum flow protection

Standards:

Severn Glocon valve and actuators design are supported by laboratory testing field-proven trials. This ensure that Severn Glocon continues to meet exacting international standards such as: ASME, API, ANSI, JIS, TUV, BS, EN, ISO, PER/PED, ATEX, NORSOK GOST, STOOMWEZEN, INDIAN BOILER REGULATION.

Type of control valves:

  • Globe

  • Butterfly

  • Cryogenic Service

  • Choke

  • Diaphargm Actuator

  • Piston Actuator

SEVERN GLOCON – Series 1000 General Purpose Valves

  • End Connection Sizes / Types : 1″ – 10″ ANSI 600,

    Integral Flange, Screwed, Butt or Socket Weld

  • Design Standard       : ANSI B16.34, ANSI/ISA S75.03 1984

  • Valves Body Rating  :  ANSI 150 – ANSI 600

  • Body Configuration  : Cast Globe

SEVERN GLOCON – Series 3000 Cryogenic Valves

  • End Connection Sizes / Types : 1/2″ – 10″ ANSI 600

  • Design Standard       : ANSI B16.34 and design rated

  • Valves Body Rating  : ANSI 150 – ANSI 600

  • Body Configuration  : Z Pattern, Globe, Angle & 3 way

SEVERN GLOCON – Series 4000 Cryogenic Valves

  • End Connection Sizes / Types   : 1/2″ – 10″ ANSI 600

  • Design Standard        : ANSI B16.34 and design rated

  • Valves Body Rating   : ANSI 150 – ANSI 600

  • Body Configuration   : Z Pattern, Globe, Angle

SEVERN GLOCON – Series 5000 Globe Control Valves

  • End Connection Sizes / Types  :  1/2″ – 36″ .

    Integral or Separable Flanges. Screwed, Butt or Socket Weld ends.

  • Design Standard          : ANSI B16.34

  • Valves Body Rating     : ANSI 150 – ANSI 600

  • Body Configuration     :  Z Pattern, Globe, Angle

SEVERN GLOCON – Series 5500 Choke Valves

  • End Connection Sizes / Types  :

    – 1″ – 12″ nominal bore- for ANSI rated valves:

    – 1.13/16″ – 11″ actual bore – for API rated valves

  • Connection Style       : Integral Flanges or Clamp Hub ends. For other consult factory.

  • Design Standard        : ANSI B16.34 & API 6A

  • Valves Body Rating   : ANSI 900 – ANSI 4500 & API 5000 – API 15000

SEVERN GLOCON – Series 8000 Butterfly Valves

  • End Connection Sizes / Types :  4″ – 36″

  • Design Standard        : API 609

  • Valves Body Rating   : ASME 150 – ASME 600

  • Body Configuration   : Wafer, Lug, Double Flange

SEVERN GLOCON – Series “N” Numotor Pneumatic ally Operated Piston Actuator

  • Input Signal          : 3-15 psig, 6-30 psig, 4-20 mA.

    Also split ranges of the said signals

  • Output Signal       : 0-100% of pneumatic supply pressure

  • Pneumatic Supply Pressure : Minimum 5 psig above calculated actuator requirements. Maximum to actuator is 100 psig ( 7 bar)

  • Operating Supply gasses      : Air, Nitrogen, Oxygen.  Options –  Methane (natural Gas).

  • Actuator Action Mode            : Direct or Reverse

Severn Glocon – Power products

 Severn Glocon – Steam conditioning valves

  • Angle pattern body
  • Forged valve body: pressure boundary integrity
  • Contoured body: thermal stress resistance
  • Bonnet: pressure seal or bolted
  • Inlet / outlet to suit customer piping
  • Ease of maintenance: all components accessed through bonnet
  • Desuperheating: downstream of pressure reduction
  • Low noise: velocity control, through two stage modulating control and multiple fixed diffusers

 Severn Glocon – Small steam conditioning valves

  • Angle or globe pattern body
  • Normally cast valve body, forged on smaller sizes
  • Contoured body: thermal stress resistance
  • Bonnet: bolted
  • Inlet / outlet to suit customer piping
  • Ease of maintenance: all components accessed through bonnet
  • Desuperheating: downstream of pressure reduction
  • Low noise: velocity control, via drilled hole cage or multi-stage cage & multiple fixed diffusers

 Severn Glocon – High pressure steam reduction valves

  • Angle or globe pattern body
  • Forged or cast bodies
  • Contoured body: thermal stress resistance
  • Bonnet: pressure seal or bolted
  • Inlet / outlet to suit customer piping
  • Ease of maintenance: all components accessed through bonnet
  • Downstream diffuser(s) to reduce expansion noise
  • Velocity control, via drilled hole cage or multi-stage cage

 Severn Glocon – Turbine bypass stop valves (isolation for steam or water)

  • Angle or globe pattern body
  • Forged or cast bodies
  • Contoured body: thermal stress resistance
  • Bonnet: pressure seal or bolted
  • Inlet / outlet to suit customer piping
  • Ease of maintenance: all components accessed through bonnet
  • Repeatable tight shut-off
  • Short stroke allowing fast action (closed or open)

 Severn Glocon – 5000 Series Control Valves

  • Angle, globe or 3-way pattern body
  • Forged or cast bodies
  • Body / bonnet materials to suit the application
  • Bonnet: pressure seal or bolted
  • Trim materials to suit the application
  •  Trim designs for all power applications
  • Ease of maintenance: all components accessed through bonnet
  • Design Standard: ANSI B16.34
  • Long stroke for high resolution and precise control
  • Available with short stroke for fast action

 Severn Glocon – Double acting cylinder actuator

Design features

  • High thrust capability capable – air supply 60 – 150psig (4 – 10bar)
  • Multi-size options with long stroke capability
  • Robust components for trouble free, low cost of ownership
  • Positive spring air fail action – field reversible
  • Fail open / close with air tank option
  • Lightweight corrosion resistant construction
  • Hysteresis and linearity < +/– 1%
  • Signal change – 0.01psig (0.013mA) reverses

 

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