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Butterfly Valve Pressure Testing Machine Technical Overview

Butterfly Valve Pressure Testing Machine Technical Overview(Butterfly Valve Test Bench Technology Overview) Model: JLD Series (Flanged/Wafer Type Butterfly Valve Dedicated) Functional Positioning: A fully automatic sealing and strength testing platform specifically designed for butterfly valves, covering factory testing, type testing, and re-inspection needs for butterfly valves from low to medium-high pressure (PN10~PN40). Supports soft-seal/metal-seal butterfly

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Check Valve Test Bench Technical Specification

Check Valve Test Bench Technical Specification(Check Valve Test Equipment) Compliant with API, ISO, ASME & EN Standards I. Core Functions Sealing Performance Testing Reverse Sealing (Critical) : Apply reverse pressure (≥1.1x design pressure) to measure backflow leakage. Forward Flow Verification : Validate flow resistance at full-open position (per API 6D/ISO 5208). Shell Strength Test 1.5x

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API 598: Detailed Explanation of the Valve Inspection and Testing Standard

API 598: Detailed Explanation of the Valve Inspection and Testing Standard API 598 is a valve inspection and pressure testing standard developed by the American Petroleum Institute (API) and applies to industrial valves (such as gate valves, globe valves, ball valves, and check valves). Its core purpose is to verify valve integrity and leak tightness

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Zhejiang Youji’s new generation of flexible hard seal grinding machines has been successfully exported to the European market and has received orders from multiple EU companies.

Zhejiang Youji Machinery Technology Co., Ltd. (referred to as “Zhejiang Youji”) has achieved a significant market breakthrough as its newly developed Next Generation Flexible Conical Hard Sealing Grinder has officially entered the European market and secured multiple orders from PICO Group’s Croatia branch, a renowned European flow control company. As a leading enterprise in China’s

Zhejiang Youji’s new generation of flexible hard seal grinding machines has been successfully exported to the European market and has received orders from multiple EU companies. Read More »

YOUJI Delivers Custom Corrosion-Resistant Valve Test Bench for Weiming Environmental Protection’s Advanced Cleanroom Facility

Zhejiang YOUJI Machinery Technology Co., Ltd. has once again demonstrated its leadership in specialized, high-end valve inspection by delivering a custom-engineered valve test bench to the Weiming Environmental Protection Equipment Group. This project, designed specifically for a demanding, contaminant-free cleanroom environment, marks another significant milestone for YOUJI in providing solutions for the most critical industrial

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YOUJI Delivers Custom Safety Valve Calibration System, Boosting Xinxia Heavy Industry’s Marine and Offshore Capabilities

In a significant advancement for the marine and offshore engineering sector, Zhejiang YOUJI Machinery Technology Co., Ltd. has successfully delivered a bespoke safety valve calibration system to Weihai Xinxia Heavy Industry. This state-of-the-art equipment is specifically designed for the rigorous demands of ocean-going vessels, offshore energy platforms, and nuclear power projects, marking another major breakthrough

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YOUJI Sets New Global Benchmark in Cleanroom Valve Testing for Mission-Critical Industries

For industries where purity is paramount and failure is not an option, the integrity of every single component is crucial. In sectors like nuclear power, aerospace, and advanced marine engineering, even microscopic contamination can have catastrophic consequences. This is why the demand for pristine, dust-free valve inspection and testing is growing exponentially. Answering this call

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YOUJI Selected by Industry Leader Tunxi Valve for Major Smart Factory Initiative

In a move that signals a significant advancement in the valve manufacturing sector, Zhejiang YOUJI Machinery Technology Co., Ltd. has officially won the bid to supply its cutting-edge intelligent valve test bench to Anhui Tunxi High-Pressure Valve Co., Ltd. This landmark project win solidifies YOUJI’s leadership position in the high-end valve inspection equipment market and

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