The AqMatic AquaMatic V42B-0030-00000 Diaphragm Valve is a 3/4-inch, normally closed valve designed for reliable flow control in water treatment and industrial fluid handling systems. Built with a female NPT threaded connection and cast iron body, this valve provides dependable shutoff performance in applications where consistent control is required.
Within the valve assembly, the diaphragm and internal components work together to regulate flow and maintain proper sealing during operation. The V42 series y-pattern design allows for higher flow rates with lower pressure loss while supporting smooth diaphragm movement. Constructed with brass and stainless steel internal parts and Buna-N elastomer components, the V42B-0030-00000 valve is designed for durability and long service life. This valve is commonly used in water treatment, filtration, and industrial systems where dependable shutoff and serviceable design are essential.
$235.61
Aquamatic – V42B-0030-00000 – 421 – 3/4″ – Normally Closed
| Part Number | 1070002 |
| SKU | V42B-0030-00000 |
| Model | 421 |
| Pipe Size | 3/4″ |
| Pipe Connection | Female NPT Threaded |
| Body & Cap Mat’l | Cast Iron – Red Primer |
| Valve Option | Normally Closed |
| Seal/Diaphragm/Disk (kit suffix) | Buna / Buna / Buna (RA) |
| Internal Parts | Brass, Stainless Steel |
| Drill & Tap Bosses | None |
| Solenoid Option | None |
| Solenoid Feature | None |
| Approximate Ship Weight (lbs.) | 3.5 |
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.
| Weight | 4.0 lbs |
|---|---|
| Dimensions | 9 × 7 × 5 in |
