Self-operated differential pressure control valve

Short Description:

Self operated pressure control valve, is a kind of self controlled by pressure medium itself and keep the system through the medium pressure valve. Suitable for the heating system with double differential pressure control, to ensure that the system will remain basically unchanged, reduce noise, balanced resistance, eliminating heat and hydraulic disorder.


Product Detail

Product Tags

self operated water pressure control valve

Technical data 

PN(MPa)Nominal pressure 1.6
(MPa)Strength test  2.4
(MPa)Seal test 1.76
℃ Working temperature 0~100℃
Suitable mediums water
Differential pressure control range 10~30KPa

Material of main parts

Part name Material
Body,bonnet Cast iron, cast steel
Stem Stainless steel
Diaphragm NBR
Valve disc Cast steel

Main dimensions and weight

DN(mm) L H (m³/h)Flow (kg)Weight
Constant pressuredifferential type Adjustable differentialpressure type
15 110 95 145 0.2-1 0.6
20 110 110 150 0.3-1.5 0.6
25 115 130 165 0.5-2 0.7
32 130 140 190 1-4 4
40 200 190 340 1.5-6 11
50 215 205 355 2-8 12
65 230 240 390 3-12 15
80 275 300 500 5-20 27
100 290 350 550 10-30 30
125 310 380 580 15-45 40
150 350 410 410 30-75 63
200 430 480 480 40-180 104
250 520 - - 100-300 189
300 630 - - 150-1500 218
350 670 - - 200-700 265

 

 


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