STC 2R400 Series Pilot Diaphragm Solenoid Valve

Brand: STC (Sizto Tech Corporation) · SKU: 2R400 · MPN: 2R400 · Category: Components

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The '2R400' likely refers to the STC (Sizto Tech Corporation) 2R400 series of 2-way, Normally Closed (NC) pilot diaphragm solenoid valves, typically featuring a brass body. A specific configuration like '2R400-1 1/2-2-D' indicates a 1 1/2" NPT size, 24VDC coil, and DIN connector. These valves are generally designed for air, water, or liquid service, operating from vacuum up to a specified pressure (e.g., 115 PSI for some variants) with a temperature range around 14 to 176°F (-10 to 80°C) when using NBR seals. They have a high flow capacity, with a 1 1/2" model having a Cv of 30 and an orifice of 40mm.

Specifications

Valve Type2 Way, Normally Closed (NC), Pilot Operated Diaphragm
Body MaterialBrass (for 2R400 series)
Standard SealNBR (Buna N)
Cv Rating (Example)30
Port Size (Example)1 1/2" NPT
Orifice Size (Example)40mm
Coil Voltages Available (Example)12VDC, 24VDC (2), 110VAC (3), 220VAC (4)
WarrantyCheck specific vendor/manufacturer terms.
WeightN/A
DimensionsVaries by configuration (e.g., 1 1/2" NPT port)

Key Features

The STC 2R400 series is a line of pilot-operated solenoid valves typically featuring a brass body and designed for process control applications involving air, water, and various liquids. Configurations vary by port size (e.g., 1 1/2" NPT) and electrical specifications (voltage and coil type). They offer high flow rates relative to their size.

Frequently Asked Questions

Is this product genuine OEM?

Yes, this STC 2R400 Series Pilot Diaphragm Solenoid Valve (2R400) is 100% genuine STC (Sizto Tech Corporation) hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.

What warranty is included?

This STC 2R400 Series Pilot Diaphragm Solenoid Valve includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.

How long does shipping take?

We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.

Can I return this product?

Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.

Is the STC 2R400 Series Pilot Diaphragm Solenoid Valve compatible with my system?

Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the 2R400.

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