描述

JST Valve’s Special Alloy Plunger Valve is designed for severe service conditions involving corrosive acids, abrasive slurry, ash, residue, and high-temperature process media. Through a precision plunger sealing structure and advanced corrosion-resistant materials, the valve delivers excellent shut-off performance, low leakage, and extended service life under demanding industrial environments.

With nearly 33 years of experience in special material valve manufacturing, Fujian JST Valve Manufacturing Co., Ltd. provides customized plunger valve solutions for chemical processing, mining, metallurgy, energy storage, and power generation industries. Our engineering team can recommend the most suitable materials and configurations according to specific operating conditions.

主要功能

Excellent sealing performance with reliable shut-off capability
Suitable for highly corrosive acid and alkali media
Outstanding wear resistance for slurry and abrasive applications
Low operating torque and smooth flow regulation
Long service life with reduced maintenance requirements
Available in special alloy and ceramic materials
Custom design available for severe service conditions

Available Materials

To meet the requirements of aggressive industrial media, JST Valve offers plunger valves in a wide range of corrosion-resistant and wear-resistant materials:

Zirconium (Zr)
Monel Alloy
Hastelloy Alloy
Tantalum (Ta)
Niobium (Nb)
Titanium (Ti)
Nickel Alloys
High Silicon Cast Iron
Duplex Stainless Steel
Super Duplex Stainless Steel
Super Austenitic Stainless Steel
Magnesium Zirconium Ceramic

技术规格

标称尺寸	DN15 – DN300 (1/2″ – 12″)
压力等级	PN10 – PN420 / Class150 – Class2500
温度范围	-196°C to +650°C
Connection Type	Flanged, Welded, Threaded
Operation	Manual, Pneumatic, Electric, Hydraulic
Design Standards	API, ANSI, ASME, DIN, JIS, GB
Inspection Standard	API 598 / ISO 5208