Donkin Series 555 Cast Iron Gate Valves

Description

Key Features

• Soft seal, positive shut off
• Full double block and bleed with pressure-relieving plug
• Clear bore for under-pressure drilling operations
• Metal-to-metal secondary seal
• Maintenance free
• “Flange feet” to aid installation and stockholding
• No lubrication required
• Double ‘O’ Ring stem seal
• Lifting lugs on all sizes
• Suitable for above and below-ground use
• Embodied carbon data is available upon request.
• Options:
  • Pressure point/by-pass bosses are cast into the valve as standard. These can be drilled and plugged at our factory if required
  • 4 Bar version available on certain sizes
  • Alternative flange drilling
  • Gearbox
  • Electric/pneumatic actuation
  • Stainless steel spindle
  • DN400, 450 and 600 available as 4 bar on request
  • Stainless spindle and viton o-ring with CI thrust collar for Biogas

Information

The large diameter Series 555 Softseal Valve is a double-faced, resilient seat, internal screw, clear bore wedge gate valve. It is designed primarily for the isolation of natural gas and manufactured gas. Manufactured and approved to specification GIS/V7:Part 1. PN2

Standards

• Designed according to GIS/V7 Part 1
• Face to face according to EN 558 Table 3 Basic Series 3
• Standard flange drilling to EN1092 (ISO 7005-2), PN 16

Test/Approvals

• Tested according to EN12266-1
• Approved according to KITE MARK GIS/V7-1
• Made in Great Britain
• CE marked according to Pressure Equipment Directive
• UKCA marked according to Pressure Equipment Directive