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ADQ-Severe conditions four eccentric control valve manufacturing company

The pursuit of severe, focused cut off, balance regulation!

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Full metal four eccentric butterfly valve is the international advanced technology, full CNC programming processing, four eccentric seal pairs can be matched, laser cladding stellite sealing surface,wear resistant and durable, zero leakage seal, instead of the traditional large diameter ball valve, gate valve, globe valve,used for PSA millions of high-frequency cutting, ultra-high temperature 816℃, ultra-low temperature -196℃,particle, powder medium and gas, olefins and other media cutting and regulation.Forced seal ball valve is used for viscous, adhesive, powder and other process media.The products have obtained SIL3、APIQ1、API609、API6D、ISO15848、TA-LUFT、CE、TSGA1 A2 certification, shut-off valve certification for safety accessories,etc.

Four eccentric butterfly valve

Double fork pneumatic and hydraulic actuator

Metal-sealed ball valve

Soft-sealed ball valve

Our Strength

ADQVALVE four eccentric product characteristics:


Ten characteristics:

1. The top Angle of the sealing surface model is changed in three dimensions, that is, the fourth eccentricity to form a circular sealing surface.

2. The sealing surface is round to achieve a more uniform 360° sealing surface;Switch life is greatly improved.

3. The meshing Angle of the sealing surface at the upper and lower shafts of the ADQVALVE four eccentricity increases, further reducing the wear points.

4. ADQVALVE four-eccentric torque is reduced by 15%~20%.

5. ADQVALVE has achieved tight cut-off at +816°C and ultra-low temperature -196°C to ensure sealing during thermal expansion and contraction at ultra-high and ultra-low temperatures.

6. All components are processed by CNC equipment, which can maintain the quality level of batch products. The sealing pairs are all compatible and can be replaced.


1. ADQVALVE fifth-generation full-metal four eccentric butterfly valve

2. The sealing pair is fully equipped with interchangeable technology and reaches ANSI VI to zero leakage seal level

3. The sealing surface is automatically surfacing with hard alloy technology, high hardness, wear resistance, corrosion resistance, and anti-particle four-eccentric sealing technology

4. Excellent regulating performance, noise reduction and low flow resistance design

5. Bearing three prevention manufacturing technology for anti-surge butterfly valve

6.PSA high-frequency tight shut-off butterfly valve technology, million times double fork actuator

7. Anti-surge control valve

8. Ultra-low temperature, LNG, liquid oxygen, liquid nitrogen air separation ultra-low temperature butterfly control valves

9. Ultra-high temperature tight cut-off butterfly control valve

10. Low flow resistance rapid check damping control butterfly valve

Service/Product Name

Pneumatic, Electric, Hydraulic Butterfly and Ball Control Valves

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Honors & Qualifications

Product Name and Category

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Product Name and Category

Double fork pneumatic and hydraulic actuator

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Four eccentric full metal seal butterfly control valve

Metal-sealed ball valve



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sale@adqvalve.com

international@adqvalve.com

010-60254227/8/9(Beijing)

0537-5410226(Shandong)