SNRI Globe Valves

SNRI Globe Valves

Description

SNRI globe valves are suitable for all types of liquids, powders, and gases, and are designed for high-pressure operating conditions.

Size / Rating

  • DN: 5 to 600
  • NPS: 3/16″ to 24″
  • PN: 10 to 420
  • Class: 150 to 2500
  • Temperature range: -196°C to +650°C

Features

SNRI globe valves are suitable for all types of liquids, powders, and gases and can be used under high-pressure operating conditions. An optional bellows seal can be provided when handling hazardous media.

Typical configurations / functions

  • Tank or reactor bottom outlet valve
  • Feed valve: side-mounted or upright
  • Sampling or injection valve: at tank bottom, laterally, or on a piping section
  • Wall cleaning (spray/stream): installed on reactor dome

Construction materials
Carbon steel, stainless steel, duplex/super duplex, titanium, zirconium, Uranus®, nickel alloys, Hastelloy®, Monel®.

Construction methods
Fabricated (welded) or cast.

Service conditions
High pressure, high temperature, low temperature, abrasion, corrosion, vacuum.

Types of fluids
Liquids, liquids with solid particles, gas, powders and powdery media, high-viscosity fluids.

Applications

  • LNG / cryogenic service
  • Marine
  • Nuclear, defense & energy
  • Oil & gas
  • Refining
  • Other industries

Sealing system
Conical metal-to-metal piston seating
Radial soft seat with packing, O-ring, etc.

Operation
Handwheel, gearbox, dead-man handle, double-acting pneumatic actuator, single-acting pneumatic actuator, hydraulic actuator, electric actuator.

Closing device
Piston with conical seating
Straight piston

  • Options
    To ensure the product is perfectly adapted to your project, the following options can be added:
  • Adaptation to any type of connection
  • Hard-facing / hard coating of sealing surfaces
  • Removable (dismantlable) seat
  • Vacuum service (vacuum-tight design)
  • Bellows seal on the stem
  • Addition of purge and/or flushing (rinsing) ports
  • Firesafe design
  • Heating jacket
  • FDA-grade seals and packing
  • Packing-gland leak detector
  • Internal and/or external polishing
  • Limit switches or end-position sensors
  • Pneumatic actuator designed for dry air
  • Manual emergency override for pneumatic actuator
  • All-stainless pneumatic actuator
  • Actuator locking in the closed position (safety)
  • Locking system for manual operation