Donkin Series 555D Ductile Iron Gate Valves PN7
Flanged Gate Valve to 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
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
- Viton Seals
- Alternative flange drilling
- Bare shaft end
- Gearbox
- Electric/pneumatic actuation
- Stainless steel spindle
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
| Variant 555/101-001 | |
|---|---|
| Connection: | Flanged |
| Material: | Ductile Iron |
| DN: | DN400 – DN600 |
| PN: | PN 7 |
| Closing direction: | Clockwise to Close |
| 1. | Body and bonnet | Ductile iron GJS-450-10 |
| 2. | Stem | Steel 11SMn30 (EN1A) |
| 3. | Gate | Cast iron GJL-250 |
| 4. | Stem/seat seal | NBR |
| 5. | Pressure relief plug | Steel 11SMn30 (EN1A) |
| 6. | Bonnet gasket | CNAF fibres |
| 7. | Fasteners | 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
- Standard flange drilling to EN1092 (ISO 7005-2), PN 16
- GIS/V7:Part 1
Additional information
| Reference No. | 555-400-00-011, 555-400-00-01110040, 555-400-00-01131440, 555-450-00-011, 555-450-00-01110004, 555-450-00-01112452, 555-450-00-01112552, 555-450-00-011180, 555-450-00-01118435, 555-600-00-011, 555-600-00-01118435 |
|---|---|
| Brand | Donkin |
Reference Nos. and Dimensions
| Ref. no. | DN
mm |
H3
mm |
H
mm |
HF
mm |
BR
DN |
By-pass
DN |
L
mm |
Turns
to open |
Theoretical
Weight kg |
| 555-400-00-011 | 400 | 1133 | 864 | 927 | RP0.75 | RP1.5 | 406 | 36 | 301 |
| 555-400-00-01110040 | 400 | 500 | |||||||
| 555-400-00-01131440 | 400 | 301 | |||||||
| 555-450-00-011 | 450 | 1274 | 947 | 1010 | RP0.75 | RP1.5 | 432 | 40 | 340 |
| 555-450-00-01110004 | 450 | 425 | |||||||
| 555-450-00-01112452 | 450 | 1257 | 930 | 993 | RP0.75 | RP1.5 | 432 | 40 | 340 |
| 555-450-00-01112552 | 450 | 1257 | 930 | 993 | RP0.75 | RP1.5 | 432 | 40 | 345 |
| 555-450-00-011180 | 450 | 345 | |||||||
| 555-450-00-01118435 | 450 | 400 | |||||||
| 555-600-00-011 | 600 | 1617 | 1189 | 1252 | RP0.75 | RP2 | 508 | 52 | 745 |
| 555-600-00-01118435 | 600 | 800 |
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