AVK GATE VALVE, LONG SPIGOT ENDS, PN16
For gas steel pipes, ISO top flange, external PUR, replaceable stem sealing, NBR, DN50-400
Contact
Idriz Rahmanovic
Product Manager, Gas supply
Gate valve with long spigot ends prepared for actuator, with external PUR. 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 46/78-010 | |
|---|---|
| Connection: | Steel Welding Ends |
| Material: | Cast steel |
| DN: | DN50 - DN400 |
| 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 NBR 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, PUR according to EN 10290 type 2, class B for extra cathodic protection externally
Downloads
| AVK_Gate valves_animation_2022.mp4 |
Reference nos. and dimensions:
| AVK ref. no. | DN mm |
D mm |
PED PS bar |
L mm |
H mm |
H1 mm |
H2 mm |
H3 mm |
S mm |
D1 mm |
D2 mm |
Turns to open |
Torque Nm |
Actuator Flange |
Theoretical weight/kg |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 46-050-78-01380 | 50 | 60 | 16 | 570 | 241 | 202 | 30 | 271 | 2,9 | 20 | 6 | 11 | 40 | F10 | 14 |
| 46-080-78-01380 | 80 | 89 | 16 | 550 | 297 | 298 | 38 | 342 | 3,2 | 20 | 6 | 17 | 60 | F10 | 17 |
| 46-100-78-01380 | 100 | 114 | 16 | 520 | 334 | 276 | 42 | 391 | 3,6 | 20 | 6 | 21 | 80 | F10 | 23 |
| 46-150-78-01380 | 150 | 168 | 16 | 530 | 448 | 376 | 44 | 532 | 4,5 | 20 | 6 | 26 | 80 | F10 | 39 |
| 46-200-78-01380 | 200 | 219 | 15 | 570 | 562 | 472 | 52 | 672 | 6,3 | 20 | 6 | 35 | 120 | F10 | 63 |
| 46-250-78-01380 | 250 | 273 | 12 | 590 | 664 | 555 | 55 | 901 | 6,3 | 30 | 8 | 37 | 180 | F14 | 88 |
| 46-300-78-01380 | 300 | 324 | 10 | 620 | 740 | 630 | 55 | 902 | 7,1 | 30 | 8 | 44 | 200 | F14 | 128 |
| 46-400-78-01380 | 400 | 406 | 13.5 | 670 | 939 | 860 | 74 | 1139 | 8,8 | 30 | 8 | 59 | 300 | F14 | 242 |
Components
| 1. | Stem | Stainless steel 1.4104 (430F) |
| 2. | Wiper ring | NBR rubber |
| 3. | ISO flange | Ductile iron GJS-500-7 (GGG-50) |
| 4. | O-ring | NBR rubber |
| 5. | Stem seal nut | Brass, DZR CW602N |
| 6. | Thrust collar | Brass, DZR CW602N |
| 7. | Manchette | NBR rubber |
| 8. | Bonnet | Ductile iron GJS-500-7 (GGG-50) |
| 9. | Bonnet bolt | Stainless steel A2, sealed with hot melt |
| 10. | Bonnet gasket | NBR rubber |
| 11. | Wedge nut | Brass, DZR CW626N |
| 12. | Wedge | Ductile iron, NBR encapsulated |
| 13. | Body | Cast steel GP240GH+N |
| 14. | Welding end | Steel P235GH |
Test/Approvals
- Hydraulic test to DIN 3230-5, PG 3 and EN 13774
- Seat: 1.1 X PN and 0.5 with air (in bar). Body: 1.5 X PN with water, 1.1 X PN and 0.5 with air (in bar)
- Approved according to DVGW- Gas regulations
Standards
- Designed acc. to EN1171 (Max operating pressure to PED specified in the Ref. nos. & dim. table , Designed according to EN 13774
