Donkin Series 555S Steel Gate Valves
Flanged Ends. GIS/V7:Part 1
Flanged Gate Valve to GIS/V7:Part 1 Temperature range: -20°C to +60°C. Maximum Working Pressure: PN16 rated to 16 bar, ASA Class 150 rated to 19 Bar. 7 Bar Double block and bleed
Description
Key Features
- 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
- Fasteners fully encapsulated with hot melt
- 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.
- 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
- Stainless steel spindle
Information
The Series 555S 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 and approved to specification GIS/V7:Part 1
| Variant 555/303-001 | |
|---|---|
| Connection: | Flanged |
| Material: | Cast Steel |
| DN: | DN80 – DN300 |
| PN: | PN 16 |
| Closing direction: | Clockwise to Close |
| 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 | Steel 11SMn30 (EN1A) |
| 6. | Seals | NBR |
| 7. | Fastenings | Steel 8.8 |
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
Standards
- Designed according to GIS/V7 Part 1
- Face to face according to EN 558 Table 3 Basic Series 3
- Flange drilling to EN1092-1 / ISO 7005-1, PN 16
Additional information
| Reference No. | 555-080-03-013, 555-100-03-013, 555-150-03-013, 555-200-03-013, 555-200-03-04338041, 555-250-03-013, 555-250-03-04338041, 555-300-03-013, 555-300-03-04338041 |
|---|---|
| Brand | Donkin |
Reference Nos. and Dimensions
| Reference Number | DN
mm |
H
mm |
H3
mm |
L
mm |
Turns
to open |
Theoretical
Weight kg |
| 555-080-03-013 | 80 | 285 | 385 | 203 | 14 | 23 |
| 555-100-03-013 | 100 | 300 | 415 | 229 | 15 | 34 |
| 555-150-03-013 | 150 | 396 | 539 | 267 | 14.5 | 58 |
| 555-200-03-013 | 200 | 480 | 652 | 292 | 19.5 | 87 |
| 555-200-03-04338041 | 200 | 91 | ||||
| 555-250-03-013 | 250 | 607 | 810 | 330 | 24 | 152 |
| 555-250-03-04338041 | 250 | 172 | ||||
| 555-300-03-013 | 300 | 697 | 941 | 356 | 28 | 300 |
| 555-300-03-04338041 | 300 | 225 |
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