AVK Donkin Softseal Gate Valve
Ductile Iron, Flanged ASA150
Ductile iron ASA150 flanged gas gate valve designed for pressure of 10 bar MOP, temperature -10 ºC to + 60 ºC. Kitemarked to GIS/V7-1 – limited to 7 bar max working pressure.
Description
Key Features
- Full double block and bleed facility with pressure relieving plug.
- Kitemarked to GIS/V7-1
- 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 and sealed 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 valves 20kg+.
- Flanged ASA150.
- Twin pack black epoxy coating minimum 75 microns.
- Embodied carbon data available upon request.
- Stem seal replaceable under pressure.
- Optional 25mm stem cap and handwheel
Information
The Series 555/401 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. Kitemarked to GIS/V7-1.
| Variant 555/401-001 | |
|---|---|
| Connection: | Flanged |
| Material: | Ductile Iron |
| DN: | DN50 – DN300 |
| PN: | PN 10 |
| Closing direction: | Clockwise to Close |
| 1. | Body-bonnet seal | NBR |
| 2. | Body | Ductile iron |
| 3. | Wedge | Cast iron |
| 4. | Gland | Ductile iron |
| 5. | Screw | Carbon steel |
| 6. | Cap | Cast iron |
| 7. | Seal | NBR |
| 8. | Bush | PA |
| 9. | Thrust collar | Brass |
| 10. | Set screw | Carbon steel |
| 11. | Spindle | Stainless steel 420 |
| 12. | Seal | NBR |
| 13. | Wiper ring | NBR |
| 14. | Seal | NBR |
| 15. | Seal | NBR |
| 16. | Bonnet | Ductile iron GJS-500-7 |
| 17. | Pressure release plug | Carbon steel |
Test/Approvals
- Tested according to EN12266-1. Seat: 1.1 x PN (in Bar), Body: 1.5 x PN (in Bar)
- 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 2 Basic Series 3
- Flange drilling to ANSI B 16.42, class 150
Additional information
| Reference No. | 555-050-14-04130041, 555-080-14-04130041, 555-100-14-04130041, 555-150-14-04130041, 555-200-14-04130041, 555-250-14-04130041, 555-300-14-04130041 |
|---|---|
| Brand | AVK |
Reference Nos. and Dimensions
| Reference Number | DN
mm |
BR
DN |
H3
mm |
HF
mm |
L
mm |
W
mm |
Turns
to open |
Theoretical
Weight kg |
| 555-050-14-04130041 | 50 | 0.5 | 329 | 262 | 178 | 152 | 9 | 12 |
| 555-080-14-04130041 | 80 | 0.5 | 409 | 319 | 203 | 190 | 12.5 | 21 |
| 555-100-14-04130041 | 100 | 0.5 | 449 | 341 | 229 | 229 | 15.5 | 26 |
| 555-150-14-04130041 | 150 | 0.75 | 564 | 431 | 267 | 279 | 14.5 | 45 |
| 555-200-14-04130041 | 200 | 0.75 | 680 | 518 | 292 | 343 | 20 | 69 |
| 555-250-14-04130041 | 250 | 0.75 | 880 | 683 | 330 | 442 | 24 | 127 |
| 555-300-14-04130041 | 300 | 0.75 | 996 | 766 | 356 | 483 | 28 | 165 |
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