GATE VALVE, FLANGED
EN 558 basic series 15, replaceable stem sealing, raw flange, NBR
Contact
AVK Industrial Nederland BV
Schorsweg 1 8171 ME Vaassen Netherlands
Flanged gate valve. Flanges according to EN 558 basic series 15. For gas -10°C to +60°C
AVK gate valves are designed with built-in safety in every detail and with full traceability of vital valve components. The wedge is fully vulcanized with AVK’s own oil and gas resistant NBR rubber compound. It features an outstanding durability due to the ability of the rubber to regain its original shape, the double bonding vulcanization process and the sturdy wedge design. The triple safety stem sealing system replaceable under pressure, the high strength stem and the thorough corrosion protection safeguard the unmatched reliability.
| Variant 02/70-004 | |
|---|---|
| Connection: | Flanged |
| Material: | Ductile iron |
| DN: | DN40 - DN65 |
| PN: | PN 16 |
| Closing direction: | Clockwise to Close |
Features
- Fixed, integral wedge nut prevents vibration and ensures durability
- Wedge fully vulcanized with NBR rubber and equipped with wedge shoes to provide smooth operation
- Wedge and body guide rails ensure stable operation
- Stainless steel stem with wedge stop and rolled threads for high strength
- Full circle thrust collar provides fixation of the stem and low free running torques
- Triple safety stem sealing with an NBR wiper ring and four NBR O-rings in a stem seal nut of dezincification resistant brass replaceable under pressure. A rubber manchette is the main seal to the flow.
- Round bonnet gasket fixed in a recess
- Countersunk and sealed stainless steel bonnet bolts encircled by the bonnet gasket
- Full bore
- Low operating torque
- Fusion bonded epoxy coating in compliance with DIN 3476 part 1 and EN 14901
Downloads
Reference nos. and dimensions:
| Reference no. | DN mm |
Flange drilling |
PS bar |
L mm |
H mm |
H3 mm |
F mm |
F1 mm |
F2 mm |
Theoretical weight/kg |
|---|---|---|---|---|---|---|---|---|---|---|
| 02-040-70-01238 | 40 | PN10/16 | 16 | 240 | 321 | 246 | 14 | 17 | 29 | 11 |
| 02-050-70-01238 | 50 | PN10/16 | 16 | 250 | 329 | 324 | 14 | 17 | 29 | 12 |
| 02-065-70-01238 | 65 | PN10/16 | 16 | 271 | 271 | 364 | 17 | 20 | 34 | 15 |
Components
| 1. | Stem | Stainless steel 1.4104 (AISI 430F) |
| 2. | Wiper ring | NBR rubber |
| 3. | Stem seal nut | Brass DZR CW602N |
| 4. | O-ring | NBR rubber |
| 5. | Bonnet | Ductile iron GJS-500-7 (GGG-50) |
| 6. | Thrust collar | Brass DZR CW602N |
| 7. | Lip seal | NBR rubber |
| 8. | Bonnet bolt | Stainless steel A2, sealed with hot melt |
| 9. | Bonnet gasket | NBR rubber |
| 10. | Wedge nut | Brass DZR CW626N |
| 11. | Wedge | Ductile iron, NBR encapsulated |
| 12. | Body | Ductile iron GJS-500-7 (GGG-50) |
Test/Approvals
- Hydraulic test to DIN 3230-5, PG 3, Hydraulic test to DIN 3230-5, PG 3, Hydraulic test to DIN 3230-5, PG 3, Hydraulic test to DIN 3230-5, PG 3, Hydraulic test to DIN 3230-5, PG 3
- Production test to EN 13774, ref. EN 12266-1. Shell strength 1.5 x PS (water), shell tightness 1.1 x PS and 0.5 bar (air), seat tightness 1.1 x PS and 0.5 bar (air)
- Approved according to DIN-DVGW Certificate NG-4313BO0281
- Approved according to DVGW EC Certificate CE-0085BO0317
- Approved according to KIWA Certificate 65139/03
- Approved according to ÖVGW Certificate G 2.711
- Approved according to SVGW Certificate No. 08-068-5
Standards
- EN 1171 (maximum pressure, PS, is specified in the table with references and dimensions), EN 13774
- Face-to-face dimension according to EN 558, basic series 15
- Flange drilling to EN1092, PN10/16
