---
product_id: 31107236
title: "OTC Tools 4277 50 GPM Hydraulic Flow Meter"
brand: "otc"
price: "₪27347"
currency: ILS
in_stock: true
reviews_count: 1
url: https://www.desertcart.co.il/products/31107236-otc-tools-4277-50-gpm-hydraulic-flow-meter
store_origin: IL
region: Israel
---

# +/-4% flow accuracy 6,000 psi pressure rating 50 GPM max flow capacity OTC Tools 4277 50 GPM Hydraulic Flow Meter

**Brand:** otc
**Price:** ₪27347
**Availability:** ✅ In Stock

## Summary

> 🔧 Master your machinery’s flow with pinpoint precision!

## Quick Answers

- **What is this?** OTC Tools 4277 50 GPM Hydraulic Flow Meter by otc
- **How much does it cost?** ₪27347 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.il](https://www.desertcart.co.il/products/31107236-otc-tools-4277-50-gpm-hydraulic-flow-meter)

## Best For

- otc enthusiasts

## Why This Product

- Trusted otc brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety-First Design:** Standard burst disc protection prevents costly hydraulic fluid spills during overpressure events.
- • **Robust Pressure Handling:** Operates safely under pressures up to 6,000 psi with a pressure accuracy of +/-1.6%.
- • **Precision Flow Measurement:** Accurately tests hydraulic circuits from 4 to 54 GPM with industry-leading +/-4% full scale accuracy.
- • **Durable & Vibration-Resistant:** Fluid-filled gauges and a rugged steel case ensure reliable readings even in harsh industrial environments.
- • **Bi-Directional Flow Compatibility:** Reads flow in one direction while accommodating bi-directional flow systems for versatile diagnostics.

## Overview

The OTC Tools 4277 Hydraulic Flow Meter delivers high-accuracy flow measurement (4-54 GPM) and pressure monitoring (up to 6,000 psi) for hydraulic oil circuits. Engineered with fluid-filled gauges to reduce vibration effects and equipped with burst disc protection, it ensures safe, reliable diagnostics in demanding industrial and agricultural settings.

## Description

The OTC 4277 provides unparalleled accuracy in testing hydraulic flow circuits from 4 to 54 gpm for industrial and agricultural machinery. With its fluid filled gages that dampen vibration and precisely manufactured components, it can measure flow accurately within 4 percent of full scale. Due to its inner pass system, which includes extra burst discs, overpressure conditions won't lead to hydraulic fluid spills and the components can accommodate bi-directional flow, reading flow in one direction. Protected by a durable steel case.

## Features

- Tests hydraulic oil circuits on your machinery with high accuracy and Measures flow from 4 to 54 gpm
- Flow Accuracy to +/- 4 percent of full scale and Pressure accuracy of +/- 1.6 percent of full scale
- Pressure range up to 6,000 psi and Temperatures up to 230 deg F
- Standard burst disc protection system prevents spillage of hydraulic fluid in the event of an overpressure condition
- Accommodates bi-directional flow, reads flow in one direction and Port is 1-5/16" -12UN JIC Male

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | OTC |
| Brand | OTC |
| Model | 4277 |
| Item Weight | 14.5 pounds |
| Product Dimensions | 12.25 x 4.13 x 4.88 inches |
| Item model number | 4277 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 4277 |

## Images

![OTC Tools 4277 50 GPM Hydraulic Flow Meter - Image 1](https://m.media-amazon.com/images/I/81ei61s+pDL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Hydraulic tester
*by B***S on May 13, 2025*

Works great for testing our vehicles in the shop.

## Frequently Bought Together

- OTC Tools 4277 50 GPM Hydraulic Flow Meter
- OTC 5609 Cylinder Leakage Tester Kit , Black
- OTC Tools 5610 Trans-Eng Oil Press Tester

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**Shop now:** [https://www.desertcart.co.il/products/31107236-otc-tools-4277-50-gpm-hydraulic-flow-meter](https://www.desertcart.co.il/products/31107236-otc-tools-4277-50-gpm-hydraulic-flow-meter)

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*Product available on Desertcart Israel*
*Store origin: IL*
*Last updated: 2026-01-24*