Product Features
- particularly suitable for hot water circulation systems due to very low opening pressure
- wetted metal parts made from dezincification-free and corrosion-resistant gunmetal, resistant against aggressive water
- maintenance-free spindle sealing with self-lubricating and under pressure replaceable EPDM-lip gasket
- EPDM-seat gasket
- cone rotatable, protected against water hammer
- male union thread
- with plugged drain port
- with test port
- spindle thread not in contact with medium
- controllable check cartridge
- wear-resistant stainless steel valve seat
- with a black handwheel
- free from dead spots
- for any installation position
- with isolating function for maintenance
- Open position indicator
Standards and Approvals
- DVGW approval
- SVGW approval
- KIWA approval
- BELGAQUA approval
- plastic parts with KTW and W 270 approval
- according to accepted materials list from German environmental agency
- up to DN 32 soundproofing certification according to DIN EN ISO 3822 Class 1
- DIN EN 13959
- ÜA-Reg.-Nr. R-15.2.3-21-17048, WIEN-ZERT
Technical data
- pressure rating PN 10
- max. operating temperature 65°C
- short-term peak temperature 90°C
| Part no. | DN | A1 | A2 | D1 (mm) |
H1 (mm) |
L1 (mm) |
Zeta | ∆ popening (hpa) |
cv (m³/h) |
kg |
|---|---|---|---|---|---|---|---|---|---|---|
| 1452G01500 | 15 | G 3/4 | G 1/4 | 60 | 100 | 82 | 5 | 10 | 4 | 0.43 |
| 1452G02000 | 20 | G 1 | G 1/4 | 60 | 105 | 97 | 3.8 | 10 | 8.1 | 0.58 |
| 1452G02500 | 25 | G 1 1/4 | G 1/4 | 70 | 132 | 112 | 3.1 | 10 | 14.1 | 0.92 |
| 1452G03200 | 32 | G 1 1/2 | G 1/4 | 70 | 154 | 131 | 2.8 | 10 | 24.2 | 1.33 |
| 1452G04000 | 40 | G 1 3/4 | G 1/4 | 70 | 161 | 148 | 2.4 | 10 | 41 | 1.65 |
| 1452G05000 | 50 | G 2 3/8 | G 1/4 | 80 | 192 | 174 | 2.7 | 10 | 60.3 | 2.51 |
figure 145 2G
1. particularly suitable for hot water circulation systems due to very low opening pressure
2. wetted metal parts made from dezincification-free and corrosion-resistant gunmetal, resistant against aggressive water
3. maintenance-free spindle sealing with self-lubricating and under pressure replaceable EPDM-lip gasket
1. particularly suitable for hot water circulation systems due to very low opening pressure
2. wetted metal parts made from dezincification-free and corrosion-resistant gunmetal, resistant against aggressive water
3. maintenance-free spindle sealing with self-lubricating and under pressure replaceable EPDM-lip gasket
combined stop and antipollution check valve, union thread, with plugged drain port
