By resistance to influence of ambient air temperature and humidity, the gate valves correspond to NF, climatic category - 3, according to GOST 15150.
The gate valve bears a marking:
-
on the front side of the body, in cast metal - working pressure, working temperature, nominal diameter, material of body parts;
-
on the reverse side of the body, in cast metal - trademark of the manufacturer, year of manufacture, frame for gluing a self-destructive plate containing the factory serial number and the Euro-Asian conformity sign.
When released from production, all products are subject to 100% final inspection and assigned an individual serial number.


Specification
Габаритные размеры, мм | |||||||
Gate valve type |
|||||||
Parameter designation |
MZVSh-50 |
MZVSh-80 | MZVSh-100 | MZVSh-150 | MZVSh-200 | MZVSh-250 | MZVSh-300 |
DN | 50 | 80 | 100 | 150 | 200 | 250 | 300 |
H | H + h1 | ||||||
h | 1800÷3000, шаг 100 | ||||||
h1 | 83 | 100 | 110 | 142 | 170 | 200 | 227 |
L | 180 | 180 | 190 | 210 | 230 | 250 | 270 |