| The nominal diameter of DN (mm) | Twenty-five | Thirty-two | Forty | Fifty | Sixty-five | Eighty | One hundred | One hundred and twenty-five | One hundred and fifty | Two hundred | Two hundred and fifty | Three hundred |
| Rated flow coefficient Kv | Confluence | Eight point five | Thirteen | Twenty-one | Thirty-four | Fifty-three | Eighty-five | One hundred and thirty-five | Two hundred and ten | Three hundred and forty | Five hundred and thirty-five | Eight hundred | One thousand two hundred and eighty |
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| Eighty-five | One hundred and thirty-five | Two hundred and ten | Three hundred and forty | Five hundred and thirty-five | Eight hundred | One thousand two hundred and eighty |
| Rated stroke L (mm) | Sixteen | Twenty-five | Forty | Sixty | One hundred |
| The effective area of diaphragm Ae (cm2) | Two hundred and eighty | Four hundred | Six hundred | One thousand | One thousand and six hundred |
| Nominal pressure PN (MPa) | 、4.0 、6.4">1.6, 4.0, 6.4 |
| Inherent flow characteristics | Straight line, parabola |
| The inherent adjustable ratio R | 30:1 |
| The working temperature of T (c) | 、鑄鋼-40～250 、鑄不銹鋼-60～250">Common type: cast iron -20 ~ 200, -40 ~ 250, cast steel, cast stainless steel -60 ~ 250
Heat type: cast steel -40 ~ 450, -60 ~ 450 cast stainless steel |
| Two medium temperature difference t (c) | 、鑄鋼和鑄不銹鋼≤200">Cast iron, cast steel and cast stainless steel is less than or equal to 150 is less than or equal to 200 |
| The signal range of Pr (kPa) | From 20 to 100 |
| The air pressure Ps (MPa) | From 0.14 to 0.4 |
| Allowable leakage l/h | 10-4 * valve rated capacity |
| Allowable differential pressure P (MPa) | Zero point eight six | Zero point seven five | Zero point four eight | Zero point three one | Zero point two seven | Zero point one eight | Zero point one one | Zero point one two | Zero point zero nine | Zero Point Zero Five | Zero point zero four | Zero point zero two |
