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:
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on the front side of the body, in cast metal - working pressure, working temperature, nominal diameter, material of body parts;
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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;
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on the flywheel - an arrow indicating the rotation direction when closing and opening the gate valve.
When released from production, all products are subject to 100% final inspection and assigned an individual serial number.

Спецификации
Dimensions and connection sizes, mm | ||||||||
Diameter | D | D0 | D1 | L | H | h | n | d |
50 | 165 | 180 | 125 | 150 | 310,5 | 228 | 4 | 19 |
65 | 185 | 180 | 145 | 170 | 349,5 | 257 | 4 | 19 |
80 | 200 | 180 | 160 | 180 | 392 | 292 | 8 | 19 |
100 | 220 | 200 | 180 | 190 | 413 | 303 | 8 | 19 |
150 | 285 | 250 | 240 | 210 | 544,5 | 402 | 8 | 23 |
200 | 340 | 300 | 295 | 230 | 651 | 481 | 8 | 23 |
250 | 395 | 350 | 350 | 250 | 774,5 | 574 | 12 | 23 |
300 | 445 | 350 | 400 | 270 | 877,5 | 655 | 12 | 23 |