Donkin Softseal, Steel Gate Valves, PUR Coated

Flanged Ends, St St Spindle. GIS/V7-1

Flanged Gate Valve to GIS/V7:Part 1 • Maximum Working Pressure: PN16 rated to 16 bar ASA Class 150 rated to 275 psig (19 Bar). • 7 Bar Double block and bleed • Temperature Range: -20°C to +60°C. • Fluids for Standard Valve: Natural Gas.

Description

Key Features

  • High integrity coating for buried service with 20 year Warranty
  • Full double block and bleed facility with pressure relieving plug
  • Soft seal positive shut off, metal to metal secondary seal
  • Maintenance free and fitted integral lifting lugs on all sizes
  • Self supporting “flange feet” for ease of installation and stockholding
  • Profiled ‘O’ ring body/bonnet joint
  • Suitable for under pressure drilling and tapping operations
  • Suitable for end of line service
  • DN50mm available – refer to 555/103-002
  • Embodied carbon data available upon request.
  • Options:-
    • Pressure point/by-pass bosses cast into the valve as standard, can be drilled and plugged to suit customer requirements. Alternative flange drillings and weld end connections. Viton ‘O’ rings

 

Information

The Series 555 Steel Softseal Valve is a double-faced, resilient seat, internal screw, clear bore wedge gate valve. Designed primarily for the isolation of high pressure natural gas, fitting into steel pipelines. Manufactured with the new Donkin PUR corrosion protection system, enabling burial without need for wrapping of the valve body.  To ensure full long term protection, flanges and bolts should be wrapped in line with industry guidelines. Manufactured and approved to specification GIS/V7:Part 1

Variant 555/303-002
Connection: Flanged
Material: Cast Steel
DN: DN80 – DN300
PN: PN 16
Closing direction: Clockwise to Close

 

Donkin Softseal, Steel Gate Valves, PUR Coated Component Image

 

1. Body Cast steel GP240GH+N
2. Bonnet Cast steel GP240GH+N
3. Gland Cast steel GP240GH+N
4. Wedge Ductile iron GJS-450-10
5. Spindle Stainless steel
6. Seals NBR
7. Fastenings Steel 8.8

 

Test/Approvals

  • CE marked according to Pressure Equipment Directive
  • 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

 

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.

555-080-03-01333040, 555-100-03-01333040, 555-150-03-01333040, 555-200-03-01333040, 555-250-03-01333040, 555-300-03-01333040

Brand

Donkin

Reference Nos. and Dimensions

Reference Number DN

mm

H

mm

H3

mm

L

mm

Turns

to open

Theoretical

Weight kg

555-080-03-01333040 80 304 404 203 14 23
555-100-03-01333040 100 319 434 229 15 34
555-150-03-01333040 150 415 558 267 14.5 58
555-200-03-01333040 200 499 671 292 19.5 87
555-250-03-01333040 250 657 860 330 24 152
555-300-03-01333040 300 747 1192 356 28 300

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Certificates

Guidelines

Installation, Operation & Maintenance

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