DONKIN SERIES 555 DUCTILE IRON GATE VALVE, PUR Coated

Flanged Ends, PN7

Flanged Gate Valve to GIS/V7:Part 1 Maximum Working Pressure: 7 Bar (100 PSIG) Temperature Range: -10°C to +60°C

Description

Key Features

  • High integrity coating for buried service. Maintenance free.
  • 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
  • “Flange feet” to aid installation and stockholding
  • No lubrication required
  • Double ‘O’ Ring stem seal
  • Lifting lugs on all sizes
  • Embodied Carbon Content available upon request.
  • Options:
  • Pressure point/by-pass bosses cast into the valve as standard. These can be drilled and plugged at our factory if required
  • Alternative flange drilling
  • Gear box
  • Electric/pneumatic actuation

 

Information

The large diameter Series 555 Softseal Valve is a double-faced, resilient seat, internal screw, and clear bore wedge gate valve. It is designed primarily for the isolation of natural gas and manufactured gas and comes with the new Donkin PUR coating system which allows the valve to be buried without further protection.

 

Variant 555/101-002
Connection: Flanged
Material: Ductile Iron
DN: DN400 – DN600
PN: PN 7
Closing direction: Clockwise to Close

 

Test/Approvals

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

 

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

Additional information

Reference No.

555-400-00-01133040, 555-450-00-01133040, 555-600-00-01133040, 555-600-00-01133052

Brand

Donkin

Reference Nos. and Dimensions

Ref. no. DN

mm

H3

mm

H

mm

HF

mm

BR

DN

L

mm

Turns

to open

Theoretical

Weight kg

555-400-00-01133040 400 1196 864 927 RP0.75 406 36 301
555-450-00-01133040 450 1337 947 1010 RP0.75 432 40 340
555-600-00-01133040 600 1680 1189 1252 RP0.75 508 52 745
555-600-00-01133052 600 1643 1215 1182 RP0.75 508 52 745

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Installation, Operation & Maintenance

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