MA Series Control Valve


Sleeve-oriented, soft and hard sealing is combined, the use of pressure drop and temperature range is wide, and the sealing level is high.

The valve core is provided with a balance hole to reduce unbalanced force, reduce the cost of the implementation structure, and reduce the vibration of the valve core.

The spool has two types of flow on and off.

The valve core and seat are treated and processed by special technology or hard alloy welded to prevent cavitation and erosion, and the valve has a long service life as a whole.

The stem packing is made of PTFE or GARLOCK, which has good chemical properties and flexibility, low friction, zero leakage and long service life.


The universal control valve is widely used in chemical, electric power and other industries. It is suitable for liquid, gas and other media under high pressure difference. Its cage design greatly reduces the vibration of the valve core and ensures stable performance during the full stroke of the valve. The regulating valve adopts a double-sealed structure and the valve core and valve seat are treated with a special process, so the valve is closed without internal leakage, high pressure resistance, erosion resistance, and high safety.

Design standards:

Design and manufacture: ASME B 16.34 GB/T4231 JB/T3595

Inspection and test: ASME B16.104 GB/T4213 JB/T3595

Connection end:

Socket welding: ASME B16.11

Butt welding: ASME B16.25

Flange connection: ASME B16.5 GB/T9113

Technical Parameters:

Nominal diameter: 1″~24″ (DN25-DN600)

Pressure rating: ANSI 150lb ~ 600lb (PN1.6-PN10)

Valve body type: straight-through type, angle type

Temperature range:<575°

Executive agency:

Pneumatic actuator (pneumatic actuator is membrane type actuator and piston type actuator, compact structure and large output force);

Electric actuator

Valve action form: air-to-close type; air-to-open type

Flow characteristics:

Standard sleeve-quick opening, linear, equal percentage

Noise reduction, anti-cavitation  sleeve - linear

Leakage grade: Ⅳ grade Ⅴ grade Ⅵ grade

Performance parameters:

Body material: a variety of materials to choose from-WCB/WCC, WC6, WC9, CF8, CF3, CF8M, CF3M

Bonnet: basic type, heat dissipation type

Internal parts: internal parts replacement - quick replacement of valve seat, valve clack and bonnet, good maintenance performance, internal parts update within half an hour.

Packing: flexible graphite with stainless steel wire