Categories from AQ Matic and Control Valves (4)

Diaphragm Valves
Diaphragm Valves

Diaphragm valves are designed to regulate the flow of liquids and gases by using a flexible diaphragm to create a secure seal. These valves are ideal for applications where the transported media is corrosive, abrasive, or requires sanitary handling. Their simple yet effective design minimizes the risk of contamination, making them widely used in industries such as chemical processing, pharmaceuticals, food and beverage, and water treatment.


Centro offers a comprehensive selection of diaphragm valves in manual and pneumatic actuated designs to suit various operational needs. Whether you require precise hand-operated flow control or an automated valve for high-efficiency processing, we have the right solution.

Types of Diaphragm Valves We Offer

  • Manual Diaphragm Valves – Hand-operated for precise control in low-pressure systems
  • Pneumatic Actuated Diaphragm Valves – Use compressed air for automated on/off operation
  • Weir-Type Diaphragm Valves – Provide excellent sealing for corrosive and particulate-laden fluids
  • Straight-Through Diaphragm Valves – Offer minimal flow resistance for high-purity applications
  • Sanitary Diaphragm Valves – Designed for hygienic industries, including food, beverage, and pharmaceuticals

Why Choose Diaphragm Valves from Centro?

  • Superior sealing performance for corrosive, abrasive, and sanitary applications
  • Available in a variety of materials, including stainless steel, plastic, and lined options
  • Suitable for industries such as chemical processing, pharmaceuticals, biotechnology, and water treatment
  • Sourced from trusted manufacturers to ensure durability, reliability, and compliance with industry standards


Centro provides high-quality diaphragm valves designed for long-lasting performance. Browse our selection and order online today, or contact our team for expert assistance in selecting the right valve for your application.

Valve Repair Kits & Parts
Valve Repair Kits & Parts

Valve repair kits and parts are essential components used to maintain and repair valves in fluid control systems. These kits typically include seals, gaskets, o-rings, springs, and other necessary parts needed to restore or replace worn or damaged elements of a valve. Valve repair kits and parts enable the repair and refurbishment of valves, extending their lifespan and ensuring proper functioning. By using these kits, operators can quickly and cost-effectively address valve issues without requiring complete valve replacement. These kits are available for different types and sizes of valves, allowing for specific repairs tailored to the valve's design and requirements. Valve repair kits and parts are essential for industries such as manufacturing, petrochemicals, water treatment, and HVAC, where reliable valve performance is crucial.

Valve Accessories
Valve Accessories

Valve accessories are additional components that enhance the functionality and performance of valves in fluid control systems. These accessories are designed to provide other features, improve safety, or simplify maintenance of the valves. Valve accessories enhance the reliability, efficiency, and safety of valve operations, making them essential for various industries such as oil and gas, chemical processing, water treatment, and power generation.

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AQ Matic/Aquamatic and Control Valves 1073344 - BODY,534,NRYL,NPT

$134.33$162.87

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073345 - CAP,534,NRYL,LS/PI,MACH

$79.99$96.98

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073346 - PLATE,UPPER DIAPHGRAM,534,PVC

$35.89$43.51

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073348 - PLATE,DIAPHRAM,534,UPR,SS,FS

$44.07$53.43

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073349 - PLATE,DIAPHRAGM,534,LWR,SS,FS

$72.24$87.58

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073350 - GUIDE,SHAFT,534,PVC,MCHD

$64.00$77.59

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073353 - HOLDER,DISC,53

$31.38$38.04

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073355 - DISC HOLDER,534,PVC,MCHD

$31.61$38.32

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073360 - SHAFT,534,NO,PVC

$69.73$84.54

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073362 - SHAFT,534,PVC,PI

$73.84$89.52

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073365 - SIGHT GLASS,534

$50.11$60.75

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073366 - SUPPORT,DIAPHRAGM,534,MACH

$22.55$27.33

You save 17%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073367 - ROD,534,POSITION INDICATOR

$49.23$59.69

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073368 - GUIDE,LIMIT STOP/POS IND,K534

$47.79$57.94

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073372 - GUIDE,SHAFT,LIMIT STOP,K534

$34.85$42.25

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073373 - SCREW,LIMIT STOP

$34.85$42.25

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073375 - RING,RETAINING,534
Requires Quote
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073379 - SHAFT ASSY,534,FAILSAFE,NORYL

$145.76$176.73

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073382 - CAP,535,NRYL,MLDG

$137.39$166.57

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073383 - NUT,RETAINING,535,NORYL,PLSTC

$33.84$41.02

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073384 - PLATE,DIAPHRAGM,535,UPPER,PVC

$33.84$41.02

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073386 - PLATE,DIAPHRAGM,535,LWR,PVC

$56.00$67.89

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073395 - NUT,SOCKET RETAINING,535

$28.71$34.81

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073396 - PLATE,DISC,535,PVC

$28.71$34.81

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073344 - BODY,534,NRYL,NPT

$134.33$162.87

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073345 - CAP,534,NRYL,LS/PI,MACH

$79.99$96.98

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073346 - PLATE,UPPER DIAPHGRAM,534,PVC

$35.89$43.51

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073348 - PLATE,DIAPHRAM,534,UPR,SS,FS

$44.07$53.43

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073349 - PLATE,DIAPHRAGM,534,LWR,SS,FS

$72.24$87.58

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073350 - GUIDE,SHAFT,534,PVC,MCHD

$64.00$77.59

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073353 - HOLDER,DISC,53

$31.38$38.04

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073355 - DISC HOLDER,534,PVC,MCHD

$31.61$38.32

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073360 - SHAFT,534,NO,PVC

$69.73$84.54

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073362 - SHAFT,534,PVC,PI

$73.84$89.52

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073365 - SIGHT GLASS,534

$50.11$60.75

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073366 - SUPPORT,DIAPHRAGM,534,MACH

$22.55$27.33

You save 17%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073367 - ROD,534,POSITION INDICATOR

$49.23$59.69

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073368 - GUIDE,LIMIT STOP/POS IND,K534

$47.79$57.94

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073372 - GUIDE,SHAFT,LIMIT STOP,K534

$34.85$42.25

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073373 - SCREW,LIMIT STOP

$34.85$42.25

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073375 - RING,RETAINING,534
Requires Quote
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073379 - SHAFT ASSY,534,FAILSAFE,NORYL

$145.76$176.73

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073382 - CAP,535,NRYL,MLDG

$137.39$166.57

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073383 - NUT,RETAINING,535,NORYL,PLSTC

$33.84$41.02

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073384 - PLATE,DIAPHRAGM,535,UPPER,PVC

$33.84$41.02

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073386 - PLATE,DIAPHRAGM,535,LWR,PVC

$56.00$67.89

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073395 - NUT,SOCKET RETAINING,535

$28.71$34.81

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times

AQ Matic/Aquamatic and Control Valves 1073396 - PLATE,DISC,535,PVC

$28.71$34.81

You save 18%
Should ship between 07 Nov and 11 Nov

Subject to factory lead times