Categories

281 threads / welding

Characteristics

Мах. temperature (Т) °С.: +200 °С

Мin. temperature (Т) °С.: -60 °С

Valve tightness rate: Class "A"

Service life: At least 25 years.

Warranty period: 3 years or 10 000 cycles.

Body materials: 1.1151(P235GH)/9MnSi5(13Mn6) / 1,4541

Bore size: reduced

reduced bore

FEMALE THREADS/ WELDED CONNECTION 

Working medium

District heating networks, petroleum products, combustible and lubricating materials,

other fluids free from abrasive contaminants.

Natural gas, liquefied petroleum gas, gaseous media, non aggressive towards

valve materials.

Modifications

PRODUCT NUMBER DN PN L L1 H H1 D D1 D2 S R
281 20 015 15 40 183 148 132 49 38 21,3 10 2,0 1/2
28120020 20 40 183 148 135 50 42 26,9 15 2,3 3/4
28120025 25 40 183 148 138 50 48 33,7 20 2,6 1
28120032 32 40 198 148 142 50 57 42,4 25 2,6 1 1/4
28120040 40 40 208 235 145 44 76 48,3 32 2,6 1 1/2
28120050 50 40 235 235 154 46 89 60,3 40 2,9 2
28120065 65 25 245 235 159 42 108 76,1 50 2,9 2 1/2
28120080 80 25 250 283 200 66 133 88,9 65 3,2 3
28120100 100 25 283 283 209 63 159 114,3 80 3,6 4