feedwater rotary control valve
technical parameter
item model number: t40h
nominal diameter: dn15～dn600
nominal pressure: pn1.6mpa～10.0mpa
applicable temperature: -29ºc～ 450ºc
structural form: rotary
connection method: flange
drive mode: manual
body material: gray cast iron, cast steel, stainless steel
applicable medium: water, steam
product description
the feedwater rotary control valve is suitable for medium and low pressure boiler feedwater pipes and high-pressure heater drain pipes. by rotating the cylindrical valve disc to change the area of the window formed by the valve seat, the purpose of regulating flow is achieved. the rotary opening and closing angle of the water supply rotary control valve is 60°, which is indicated by the opening indicator plate above the control valve. it can be equipped with electric actuators for remote automatic operation.
main performance parameters
model | work pressure（mpa） | proper temperature（℃） | applicable media | material | |
t40h-16 | 1.6 | ≤200 | water, steam | grey cast iron | stainless steel |
t40h-25 | 2.5 | ≤450 | cast steel | ||
t40h-40 | 4.0 | ||||
t40h-64 | 6.4 | ||||
t40h-100 | 10.0 | ||||
material of main parts
model | material | ||||||
body | seat | disc | pull rod | stem | gastener | filler | |
t40h-40 | carbon steel | chrome stainless steel | chrome stainless steel | chrome stainless steel | chrome stainless steel | steel | flexible graphite |
t40h-100 | |||||||
main external connection dimensions
pn | size（mm） | |||||||||||||
（mpa） | dn | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 |
| l | 160 | 180 | 200 | 220 | 250 | 280 | 310 | 350 | 400 | 450 | 500 | 650 | 800 |
l1 | 140 | 150 | 180 | 200 | 230 | 240 | 270 | 300 | 350 | 380 | 440 | 500 | 650 | |
h | 180 | 200 | 205 | 210 | 230 | 230 | 250 | 250 | 290 | 300 | 325 | 330 | 450 | |
h1 | 90 | 100 | 107 | 113 | 120 | 125 | 140 | 150 | 190 | 205 | 270 | 270 | 330 | |
2.5 | l | 160 | 180 | 200 | 220 | 250 | 280 | 310 | 350 | 400 | 450 | 500 | 650 | 800 |
l1 | 150 | 160 | 180 | 210 | 245 | 260 | 290 | 320 | 370 | 410 | 480 | 540 | 700 | |
h | 180 | 200 | 205 | 210 | 230 | 240 | 250 | 280 | 290 | 300 | 325 | 330 | 450 | |
h1 | 90 | 100 | 100 | 120 | 120 | 130 | 150 | 150 | 190 | 205 | 270 | 270 | 335 | |
4.0 | l | 180 | 200 | 220 | 240 | 270 | 300 | 330 | 380 | 450 | 500 | 550 | 650 | 800 |
l1 | 150 | 160 | 190 | 210 | 245 | 270 | 300 | 330 | 380 | 420 | 500 | 560 | 720 | |
h | 180 | 200 | 205 | 210 | 230 | 240 | 250 | 290 | 300 | 310 | 335 | 350 | 470 | |
h1 | 90 | 100 | 110 | 113 | 120 | 130 | 150 | 170 | 190 | 210 | 220 | 290 | 360 | |
6.4 | l | 180 | 200 | 220 | 240 | 270 | 300 | 330 | 380 | 450 | 500 | 550 | 650 | 800 |
l1 | 160 | 170 | 200 | 230 | 260 | 290 | 320 | 350 | 400 | 440 | 530 | 600 | 760 | |
h | 185 | 210 | 220 | 225 | 250 | 250 | 260 | 300 | 310 | 320 | 340 | 360 | 480 | |
h1 | 100 | 110 | 110 | 135 | 35 | 140 | 160 | 180 | 200 | 220 | 230 | 300 | 370 | |