
designed by DZS and meets to the requirements of Standard ISO 4064.



| Size (mm) | Dn15 | Dn20 | Dn25 |
| L | 105 | 105 | 110 |
| L1 | 200 | 210 | 230 |
| D | G3/4B | G1B | G1-1/4B |
| d | R1/2 | R3/4 | R1 |
| H | 108 | 109.5 | 117.5 |
| H1 | 191 | 191.5 | 206.5 |
| W | 100 | 100 | 104 |
| W1 | 145 | 148 | 166 |

| DN | mm | 15 | 20 | 25 |
| R | Q3/Q1 | 80 | ||
| Q4 | m3/h | 3.125 | 5 | 7.875 |
| Q3 | m3/h | 2.5 | 4 | 6.3 |
| Q2 | l/h | 25 | 40 | 63 |
| Q1 | l/h | 15.625 | 25 | 39.375 |
| Max. reading | m3 | 99 999.9999 | ||
| Min. reading | Liter | 0.05 | ||
| Pressure loss | △p | △p<63 | ||
| Max, Pressure | MAP | MAP16 | ||
| Max, Temperate | ºC | T30 / T50 | ||
The Flow Error Curve:
a. In the lower zone (Q 1 ≤Q≤Q2): maximum permission error is ±5%b. In the upper zone (Q2 ≤Q≤Q4): maximum permission error is ±2%( T≤30˚C), maximum permission error is ±3%
(30˚C <T≤50˚C)
Advantages:

Installation:




Q: What is your payment term?
A: 1.T/T,30% down payment, balance to be paid before shipment. 2.L/C.
Q: What is your main market?
A: Southeast Asia,Middle East ,South America,Europe etc.
Q: How about your capacity?
A: 50000pcs/month
Q: Can you give me a discount?
A: As you know, we are manufactory,so please believe us our price is competitive. If the quantity is big,we can consider give you
a discount.
Q: Can i get free samples from your factory?
A: Yes,samples can be free,however, freight has to be charged.
Q: If products have some quality problem,how would you deal with?
A: We will responsible for all the quality problems.








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