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AquaMatic 421 - V42 C - 1"
"Y" Pattern Diaphragm Valve
Cast Iron or Cast Brass Body and Cap
This product is manufactured in the United States of foreign and domestic parts.

Aquamatic - V42 B - V42B-0000-00000 – 3/4″ – Normally Open

$160.95
Aquamatic – V42B-0030-00000 – 421 – 3/4″ – Normally Closed
¾” Y Pattern AquaMatic V42B Diaphragm Valve
Cast Iron or Cast Brass Body and Cap

  • Large seat opening and high lift-disc for higher flow rates at a lower pressure loss
  • Separate flow and control chambers permit positive closing without springs; and only nominal cost for spring assist opening for low-pressure and self-draining applications
  • Cost-effective solution both in initial cost, as well as lifetime maintenance expenses
  • Separate diaphragm chambers protects the diaphragm from the flow stream, while allowing the valve to be serviced in-line
  • Constructed of cast iron, brass, stainless steel and Nitrile elastomer components, giving an unparalleled service life
  • ¾-inch through 3-inch threaded (N.P.T. or B.S.P.); 3-inch through 6-inch flanged drilled in accordance with ASA16.1 class 125, or BSP4504
  • Compatible with wide range of line fluids including air or water applications
  • Reinforced diaphragms are pre-formed and stress relieved to maximize responsiveness and product life
  • Can be actuated with either air or water as control fluid
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Aquamatic V42 B – V42B-0030-00000 – 421 – 3/4″ – Normally Closed

$175.95
Aquamatic – V42B-0030-00000 – 421 – 3/4″ – Normally Closed

Features and Benefits
Low Pressure Loss – The unique AquaMatic Diaphragm Valve’s y-pattern design, with large seat opening and high lift disc, permits higher flow rates at lower pressure loss than other comparable valves.
Cost-Effective Design – The AquaMatic V42 Valve is a cost-effective solution in initial purchase price as well as in lifetime maintenance. All components can be serviced while the valve is in-line.
Durable – The AquaMatic V42 Valve features cast iron, brass, stainless steel, and nitrile elastomer components. The valve features an average life of 3 years or longer depending upon cycling rate and environment.
Pipe Sizes – 3/4- to 3-inch threaded (NPT or BSP); 3- to 4-inch flanged drilled in accordance with ASA16.1 class 125, or BSP4504.
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Aquamatic V42 B -– V42B-0002-00000 – 421 – 3/4″ – Normally Open, Spring Assist Open

$240.95
Aquamatic – V42B-0002-00000 – 421 – 3/4″ – Normally Open, Spring Assist Open
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Aquamatic V42 B – V42B-0001-00000 – 421 – 3/4″ – Normally Open, Spring Assist Open

$177.95
Aquamatic – V42B-0001-00000 – 421 – 3/4″ – Normally Open, Spring Assist Open
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Aquamatic V42 B – V42B-0010-00000 – 421 – 3/4″ – Normally Open, Limit Stop

$202.95
Aquamatic – V42B-0010-00000 – 421 – 3/4″ – Normally Open, Limit Stop
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Aquamatic V42 B – V42B-0032-00000 – 421 – 3/4″ – Normally Closed, Spring Assist Closed

$230.95
Aquamatic – V42B-0032-00000 – 421 – 3/4″ – Normally Closed, Spring Assist Closed
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Aquamatic V42 B – V42B-0021-00000 – 421 – 3/4″ – Normally Open, Position Indicator, Spring Assist Open

$248.95
Aquamatic – V42B-0021-00000 – 421 – 3/4″ – Normally Open, Position Indicator, Spring Assist Open
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Aquamatic / AqMatic – V42B-0000-20000 – 421 – 3/4″ – Normally Open FKM

$217.95
Aquamatic / AqMatic – V42B-0000-20000 – 421 – 3/4″ – Normally Open FKM
Seal/Diaphragm/Disk (kit suffix) FKM / FKM / FKM (RAV)
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Aquamatic – V42B-0032-20000 – 421 – 3/4″ – Normally Closed, Spring Assist Closed FKM

$285.95
Aquamatic – V42B-0032-20000 – 421 – 3/4″ – Normally Closed, Spring Assist Closed FKM
Seal/Diaphragm/Disk (kit suffix) FKM / FKM / FKM (RAV)
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Aquamatic V42 B – V42B-0001-20000 – 421 – 3/4″ – Normally Open, Spring Assist Open FKM

$232.95
Aquamatic – V42B-0001-20000 – 421 – 3/4″ – Normally Open, Spring Assist Open FKM
Seal/Diaphragm/Disk (kit suffix) FKM / FKM / FKM (RAV)
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Aquamatic V42 C – V42C-0000-00000 – 421 – 1″ – Normally Open

$163.00
Aquamatic – V42C-0000-00000 – 421 – 1″ – Normally Open
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Aquamatic V42 C – V42C-0030-00000 – 421 – 1″ – Normally Closed

$202.95
Aquamatic – V42C-0030-00000 – 421 – 1″ – Normally Closed
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