VB-3000 series proportional integral control valveDetailed product description：

Application

The VB-3000 series cast copper two-way valves and three-way valves, when equipped with electronic drive control devices, can regulate the flow of steam or water in heating, ventilation, and air conditioning systems, and are widely used in central control systems.

Specification VB-3000 Conventional Valve VB-3000B High Temperature Valve (Steam Valve)
Material valve body: cast brass, high-strength cast brass
Valve stem stainless steel AISI 302 stainless steel AISI 302
Valve stem seal: double-layer V-shaped, double-layer V-shaped and O-shaped combination
And O-type combination
Nitrile rubber seals Fluororubber seals
PTFE sealing sleeve PTFE sealing sleeve
Valve plate: High strength forged with elastic pad and elastic pad
Forged brass+stainless steel valve seat
Capable of withstanding a pressure of 1.6MPa at 90 ℃ and 1.6MPa at 180 ℃
Connection method: Parallel internal thread type, parallel internal thread type
Medium water/steam
Operating conditions below 95 ℃ and below 180 ℃
Characteristics: Linear Linear
Leakage less than 0.05% of Kv value;
The direction of valve closure is indicated on the valve stem.

The performance parameters of VB-3000 series proportional integral regulating valve are shown in Table 1 and Table 2

Table 1 Performance Parameters of Two way Valve

Model	Caliber (ND)	Flow coefficient (Kv)	Maximum pressure difference (MPa)	Valve stem travel
VB-3200-25	twenty-five	eight	0.2(1.0)	fifteen
VB-3200-32	thirty-two	sixteen	0.2(0.75)	nineteen
VB-3200-40	forty	twenty-five	0.2(0.5)	nineteen
VB-3200-50	fifty	forty	0.2(0.3)	twenty-two
VB-3200-65	sixty-five	sixty-three	0.2(0.2)	twenty-two

Table 2 Performance Parameters of Three way Valve

Model	Caliber (ND)	Flow coefficient (Kv)	Maximum pressure difference (MPa)	Valve stem travel
VB-3300-25	twenty-five	eight	0.2(1.0)	fifteen
VB-3300-32	thirty-two	sixteen	0.2(0.75)	nineteen
VB-3300-40	forty	twenty-five	0.2(0.5)	nineteen
VB-3300-50	fifty	forty	0.2(0.3)	twenty-two
VB-3300-65	sixty-five	sixty-three	0.2(0.2)	twenty-two

Table 3 Main External Dimensions of Two way Valve

Model	threaded connection	A	B	C
VB-3200-25	G1	one hundred and ten	sixty-two	one hundred and fourteen
VB-3200-32	G1one/four	one hundred and twenty	sixty-eight	one hundred and eighteen
VB-3200-40	G1one/four	one hundred and thirty	seventy-one	one hundred and twenty-one
VB-3200-50	G2	one hundred and forty-five	seventy-seven	one hundred and twenty-seven
VB-3200-65	G2one/four	one hundred and seventy-five	eighty-three	one hundred and thirty-four

Table 4 Main External Dimensions of Three way Valve

Model	threaded connection	A	B	C
VB-3300-25	G1	one hundred and ten	eighty-one	one hundred and fourteen
VB-3300-32	G1one/four	one hundred and twenty	eighty-four	one hundred and eighteen
VB-3300-40	G1one/four	one hundred and thirty	eighty-five	one hundred and twenty-one
VB-3300-50	G2	one hundred and forty-five	ninety-six	one hundred and twenty-seven
VB-3300-65	G2one/four	one hundred and seventy-five	one hundred and four	one hundred and thirty-four

Installation method: Refer to Figure 2 and Figure 3. The valve shaft must be horizontal, preferably vertical, and please also read the relevant regulations of the driver.