100% Original Stainless Steel Valve - Safety overflow valve – Convista
100% Original Stainless Steel Valve - Safety overflow valve – Convista Detail:
AY42H-160, AY42H-250, AY42H-400, AY42H-600
TA802Y-160, TA802Y-250, TA802Y-400, TA802Y-600
AY42H、TA802Y type safety overflow valves are to be applied to pipelines in high-pressure pump stations to provide over pressure protection.
|
Type
|
Nominal pressurePN(MPa) | Opening pressure(MPa) | Working temperature(℃) | Suitable medium |
| AY42H-160TA802Y-160 | 16 | 6.3~16.0 | 200 | Water, Oil etc. |
| AY42H-250TA802Y-250 | 25.0 | 10.0~25.0 | ||
| AY42H-400TA802Y-400
TA802Y-600 |
40.0-60.0 | 20.0~60.0 |
| No. | Name of part | Materials |
| 1 | Body | Carbon steel |
| 2 | Seat | Stainless steel |
| 3 | Disc | Stainless steel |
| 4 | Bonnet | Welding |
| 5 | Spring | 50CrVA |
| Type | Nominal diameter
DN(mm) |
Dimensions(mm) | ||||
| Rc | ZG | L | L1 | ≈H | ||
| TA802Y-600 | 15 | 1/2″ | 1/2″ | 52 | 90 | 250 |
| 25 | 1″ | 1″ | 52 | 113 | 275 | |
| 40 | 1 1/2″ | 1 1/2″ | 52 | 157 | 336 | |
| Type | Nominal diameterDN(mm) | Dimensions(mm) | |||||||||
| D | D1 | K | M | Z-Φd | b | L | L1 | RC | ≈H | ||
| AY42H-160AY42H-250
AY42H-400 |
15 | 135 | 95 | 25 | M48*2 | 4-22 | 25 | 65 | 140 | 1″ | 329 |
| 20 | 165 | 115 | 30 | M52*2 | 6-26 | 28 | 80 | 150 | 1 1/2“ | 447 | |
| 25 | 200 | 145 | 38 | M80*3 | 6-29 | 40 | 90 | 180 | 2″ | 485 | |
| 32 | 225 | 170 | 42 | M100*3 | 6-33 | 50 | 100 | 200 | 2 1/2“ | 570 | |
Product detail pictures:

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Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" as well as the theory of "quality the basic, believe in the 1st and management the advanced" for 100% Original Stainless Steel Valve - Safety overflow valve – Convista, The product will supply to all over the world, such as: Romania, Portland, Kuala Lumpur, Our solutions are widely recognized and trusted by users and can meet continuously changing of economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
We have been appreciated the Chinese manufacturing, this time also did not let us disappoint,good job!






