AVK RESILIENT SEATED GATE VALVE FOR ACTUATION
PN10/16, CTC/CTO, scalloped flanges
Resilient seated gate valve with ISO mounting flange for water and waste water. Temperature range: -10° C to +70° C. Mounting: F10 upto and incl DN150, F14 for DN200.
Description
Key Features
- Fixed, integral wedge nut prevents vibration and ensures durability.
- Scalloped Flanges.
- The ductile iron core is fully vulcanized with drinking water-approved EPDM rubber, no iron parts are exposed to the medium and the excellent rubber vulcanization prevents creeping corrosion underneath the rubber
- ISO, F10/F14, mounting gland flange for the safe and cost-effective fitting of gearboxes and actuators
- The wedge has a large through bore and as there are no hollows in the core, stagnant water or impurities can’t collect and cause contamination
- Stainless steel stem with rolled threads for high strength
- Full circle brass thrust collar provides fixation of the stem and low free-running torques
- Double safety stem seal: a polyamide bearing with two O-rings, and another O-ring on stem, which prevents leakage when exchanging stem seals under pressure
- Round bonnet gasket fixed in a recessed groove in bonnet stopping it from being blown out by pressure surges
- Countersunk and sealed bonnet bolts encircled by the bonnet gasket, thus there is no risk of corrosion
- Blue fusion bonded epoxy coating acc. to WIS 4-52-01 – Class B
- Body, bonnet and gland bolts sealed with hot-melt.
- Embodied carbon data available upon request
Information
The 21/37 valve is a resilient seated gate valve with an ISO F10/ F14 mounting gland flange for the safe and cost effective fitting of gearboxes and actuators. For isolation purposes suitable for use with water and neutral liquids (sewage) with replaceable stem seal designed to the heavy duty BS5163 Type B standard. Scalloped flanges
| Variant 21/37-001 | |
|---|---|
| Connection: | Flanged |
| Material: | Ductile Iron |
| DN: | DN80 – DN200 |
| PN: | PN 16 |
| 1. | Wiper ring | NBR |
| 2. | O-ring | NBR |
| 3. | Bearing shell | PA |
| 4. | Actuator flange | Ductile Iron GJS-500-7 |
| 5. | Bolt | Zinc plated steel |
| 6. | Stem | Stainless steel |
| 7. | O-ring | EPDM |
| 8. | Thrust collar | DZR brass |
| 9. | O-ring | EPDM |
| 10. | Bonnet | Ductile Iron GJS-500-7 |
| 11. | Bonnet gasket | EPDM |
| 12. | Body | Ductile Iron GJS-500-7 |
| 13. | Wedge nut | DZR brass |
| 14. | Wedge shoe | PA |
| 15. | Wedge rubber | EPDM |
| 16. | Wedge core | Ductile Iron GJS-500-7 |
| 17. | Key | Stainless steel |
| 18. | Bonnet bolt | Zinc plated steel |
Standards
- Designed according to BS5163/B, Designed according to BS EN 1074 -1 and 2
- Face to face according to EN 558 Table 2 Basic Series 3
- Standard flange drilling to EN1092 (ISO 7005-2), PN 10/16
- WIMES 8.09 Compliant
Test/Approvals
- Hydraulic tested to: 1.5 x PN
- Seat: 1.1 x PN. Body: 1.5 x PN
- WRAS approved Materials
- Drinking Water Inspectorate Regulation 31 compliant
Additional information
| Reference No. | 21-080-37-0140069, 21-100-37-0140069, 21-150-37-0140069, 21-200-37-0140069 |
|---|---|
| PN | PN10/PN16, PN16 |
| Brand | AVK |
Reference Nos. and Dimensions
| Ref. no. | DN
mm |
Flange
Drilling |
L
mm |
W
mm |
H
mm |
H1
mm |
H3
mm |
ISO
Flange |
Theoretical
Weight kg |
| 21-080-37-0140069 | 80 | PN10/16 | 203 | 200 | 47 | 244.8 | 387 | F10 | 16 |
| 21-100-37-0140069 | 100 | PN10/16 | 229 | 220 | 48 | 264 | 417 | F10 | 18 |
| 21-150-37-0140069 | 150 | PN10/16 | 267 | 285 | 49 | 350 | 534 | F10 | 32 |
| 21-200-37-0140069 | 200 | PN16 | 292 | 340 | 48 | 438.3 | 652 | F14 | 50 |
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