Value Brand
Value Brand 4FMV2 Commercial Pressure Gauge 0-200 psi 2 in Dial 1/4 in
Measures pressure up to 200 psi with a 2 in dial and 1/4 in NPT center-back connection
- TypeElectronic
- Accurate readings with +/-3-2-3% precision
- Durable 304 stainless steel case resists corrosion
- 316 stainless steel sensor handles harsh media
- 1/4 in NPT male connection fits standard ports
- Center back mount enables direct panel installation
Purpose and User
The Value Brand 4FMV2 is a commercial pressure gauge built for technicians who need to monitor fluid or gas pressure up to 200 psi. Its general-purpose dial design suits HVAC, hydraulic and pneumatic maintenance tasks where a direct-reading analogue instrument is preferred.
Build and Connections
The case is formed from 304 stainless steel with an acrylic lens, while the wetted sensor and socket use 316 stainless steel for corrosion resistance. A 1/4 inch male NPT centre-back connection threads directly into female ports, and the gauge is not panel-mountable, so it installs in-line or on a manifold without additional brackets.
Accuracy and Limits
Accuracy follows a +/-3-2-3 percent grade across the 0 to 200 psi scale, meaning the middle third of the range is tighter than the ends. The unit carries no IP or NEMA rating and no hazardous-location certification, so it must be shielded from water ingress, dust and explosive atmospheres.
Highlights
- Accurate readings with +/-3-2-3% precision
- Durable 304 stainless steel case resists corrosion
- 316 stainless steel sensor handles harsh media
- 1/4 in NPT male connection fits standard ports
- Center back mount enables direct panel installation
Specifications
| Brand | ZORO SELECT |
|---|---|
| Type | Electronic |
Questions about this item
What does the ±3-2-3 % accuracy spec mean for readings on this 0-200 psi gauge?
The gauge reads within ±3 % of full scale on the first and last quarter of the dial and ±2 % on the middle half, so typical error is up to 6 psi at the ends and 4 psi near mid-scale.
What thread do I need on the pipe or fitting to connect the 1/4 in male NPT centre-back connection?
You need a female 1/4 in NPT port; the gauge screws straight in with thread sealant and the case sits flush against the panel or bracket.
How is this dial gauge installed and what is the common mistake?
Apply PTFE tape or paste to the 1/4 in male NPT threads, tighten with a wrench on the 316 stainless hex — not the case — and do not over-torque or the acrylic lens can crack.
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