Donkin Series 555 Cast Iron Gate Valves
Flanged Ends. GIS/V7:Part 1
Flanged Gate Valve to GIS/V7:Part 1. Maximum Working Pressure: 7 Bar (100 psig). Temperature Range: -10°C to +60°C.
Description
Features
- Full double block and bleed facility with pressure relieving plug
- Soft seal positive shut off, metal to metal secondary seal
- Maintenance free
- 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
- Integral lifting lugs on all sizes
- EN1092 PN16 flanges
- Embodied carbon content available uppon request
- Designed, engineered and manufactured in Great Britain
- Options:
- Pressure point/by-pass bosses cast into the valve as standard, can be drilled and plugged to suit customer requirements
- Alternative flange drillings
- Viton ‘O’ Rings
- PUR or Fusion bonded epoxy coating
- Also available in ductile iron, steel and with factory fitted PE tails
Information
The 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
| Variant 555/300-001 | |
|---|---|
| Connection: | Flanged |
| Material: | Cast Iron |
| DN: | DN80 – DN300 |
| PN: | PN 7 |
| Closing direction: | Clockwise to Close |
| 1. | Body | Cast iron GJL-250 |
| 2. | Bonnet | Cast iron GJL-250 |
| 3. | Wedge | Cast iron GJL-250 |
| 4. | Spindle | Steel 11SMn30 (EN1A) |
| 5. | Pressure relief plug | Steel 11SMn30 (EN1A) |
| 6. | Seals | NBR |
| 7. | Fastenings | Steel gr. 8.8, zinc plated |
| 8. | Thrust collar | Brass CZ132 |
Test/Approvals
- Tested according to EN12266-1
- Approved according to KITE MARK GIS/V7-1
- CE marked according to Pressure Equipment Directive
- Made in Great Britain
- 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. | 555-080-03-010, 555-100-03-010, 555-150-03-010, 555-150-03-01018003, 555-200-03-010, 555-200-03-01018003, 555-250-03-010, 555-300-03-010 |
|---|---|
| Brand | Donkin |
Reference Nos. and Dimensions
| Ref. no. | By-pass
DN |
BR
DN |
H
mm |
H3
mm |
HF
mm |
HH
mm |
L
mm |
W
mm |
Turns
to open |
Theoretical
Weight kg |
| 555-080-03-010 | RP0.5 | RP0.5 | 288 | 388 | 307 | 308 | 203 | 200 | 13.5 | 23 |
| 555-100-03-010 | RP0.75 | RP0.5 | 303 | 413 | 322 | 323 | 229 | 220 | 15.5 | 26 |
| 555-150-03-010 | RP0.75 | RP0.75 | 391 | 539 | 410 | 411 | 267 | 285 | 14.5 | 54 |
| 555-150-03-01018003 | 62 | |||||||||
| 555-200-03-010 | RP0.75 | RP0.75 | 478 | 648 | 497 | 498 | 292 | 340 | 19 | 82 |
| 555-200-03-01018003 | 90 | |||||||||
| 555-250-03-010 | RP0.75 | RP0.75 | 604 | 807 | 654 | 615 | 330 | 405 | 25 | 150 |
| 555-300-03-010 | RP0.75 | RP0.75 | 696 | 926 | 746 | 707 | 356 | 460 | 27 | 200 |
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