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Product introduction
ZYF series automatic pressure difference controller is available for district heating and air-conditioning water system's control valve. It is suitable for variable flow system. This controller can control the two ends pressure difference of supply and return water pipe or regulating valve. Pressure range is 0.02-0.09MPa, rated pressure is PN 16. It should be installed on the return water pipe.
Feature
Double oriented regulating valve, and percentage adjustment.
Automatic pressure difference control.
Less noise.
No need of maintenance for annular seal rings.
Pressure range is 0.02-0.09MPa. (Spring A: 0.02-0.05MPa. Spring B: 0.06-0.09MPa. )
Double sleeve structure of optimized flux.
PN16 cast steel valve.
Technical data
Medium: Water
PH: 4-9.5
Working temperature: Max. 130º C
Working pressure: Max. 1.6MPa
Material
Valve body: Cast steel
Sleeve, automatic valve clack, guiding cover: Brass.
Valve stem: Steel parts.
Diaphragm: EPDM
Annular seal rings, soft seal: EPDM
Spring: Stainless steel
| Type | Caliber | Size (mm) | Weight (Kg) |
Connection way |
||||
| H | L | ΦD | ΦK | N×Φd | ||||
| ZYF-40 | DN40 | 280 | 210 | 150 | 110 | 4×18 | 10 | Flange |
| ZYF-50 | DN50 | 370 | 230 | 165 | 125 | 4×18 | 13 | Flange |
| ZYF-65 | DN65 | 424 | 290 | 185 | 145 | 4×18 | 21 | Flange |
| ZYF-80 | DN80 | 420 | 310 | 200 | 160 | 8×18 | 28 | Flange |
| ZYF-100 | DN100 | 450 | 350 | 220 | 180 | 8×18 | 43 | Flange |
| ZYF-125 | DN125 | 480 | 400 | 250 | 210 | 8×18 | 83 | Flange |
| ZYF-150 | DN150 | 510 | 480 | 285 | 240 | 8×22 | 95 | Flange |
Company Introduction: Zhejiang Hengsen Industrial Group Co., Ltd is a specialized manufacture base for refrigeration fittings, HVAC controls products, auto air-conditioner fittings, copper fittings, and disperse pipes in China. With the professional experience of over 20 years, we have full of confidence to meet your quality requirement.We will continue adhering to the purpose quality forever, service forever, and constantly on the professional road, work hard to become first-class automation components of refrigeration manufacturer.
Factory Address:Jinling Industry Zone, Ruanshi, Zhuji, Zhejing, China
You may send inquiry to Daisy for more products information or OEM details, Thanks!