Purple Valves
PRPLZ269

Pressure Seal Globe Valve

A pressure-seal bonnet globe valve for safe throttling and isolation of high-pressure, high-temperature media.

Size1/2" to 24"PressureANSI Class 600 to 2500BodyGlobe (straight pattern)
Overview

The pressure seal globe valve employs a pressure-seal bonnet whose seal grows tighter as internal pressure increases, providing leak-free containment in high-pressure, high-temperature service. The disc closes onto a horizontal seat to give the fine throttling and dependable shut-off that characterise globe valves. The compact, robust body suits steam, boiler feed and hydrocarbon lines where bolted bonnets would be bulky or prone to creep relaxation. The valve accepts a higher pressure drop than a gate valve in exchange for precise flow control.

Technical Detail

Specifications

Size Range
1/2" to 24"
Pressure Rating
ANSI Class 600 to 2500
Temperature Range
-29°C to 540°C (-20°F to 1000°F)
End Connections
Butt Weld, Socket Weld, Flanged Raised Face
Body Material
Forged / cast alloy steel
Ball / Disc / Wedge Material
Stellite-faced
Seat Material
Stellite-faced
Stem Material
Stainless steel
Body Style
Globe (straight pattern)
Operation
Handwheel, Gear, Electric, Pneumatic
Applications
High-pressure steam, boiler feed, power and petrochemical service
Design Standard
BS 1873 / API 623 / ASME B16.34
Testing Standard
API 598
Face to Face Standard
ASME B16.10
At a Glance

Key Features

  • Disc-on-seat design for precise throttling and flow regulation
  • Tight, bubble-class shut-off
  • Hardfaced (Stellite) trim for long seat life
  • Rising stem with clear position indication
  • Back-seat protects the gland for in-service repacking
  • Wide choice of body, trim and end-connection materials

Options

  • Gear or actuator operation (electric / pneumatic)
  • NACE compliant trim
  • Extended bonnet for hot or cold service
  • Lockable handwheel
  • Special alloy materials

Standards & Certifications

  • API 598 tested
  • NACE MR0175 compliant (optional)
  • CE / PED on request
  • ISO 9001 quality system
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