Atmospheric Pressure Vacuum Relief Valve

• Customization: Available
• Size: DN50 - DN300
• Class: 150lb to 2500lb
• Application Fields: Metallurgy,Light Industrial,Electric Power,Petroch
• Delivery Detail: 20~45 Days According to The Specific Quantities
• Transport Package: Standard Export Wooden Case
• Specification: API6D, ISO9001, CE, SGS, etc
• Trademark: NIPO
• Origin: Wenzhou, Zhejiang, China
• HS Code: 8481804090
• Production Capacity: 2000PCS/Year

Product Description

QHXF-2000 Pressure Vacuum Relief Valve

Model QHXF-2000 is designed to vent to atmosphere to protect your tank from damage created by over-pressure or excessive vacuum.Costly product evaporation losses due to normal tank "breathing" are greatly reduced.Because it retains toxic vapous,atmospheric contamination is minimized.This helps to provide increased fire protection and safety.
 

Features
1.Peripheral and central seat guides ensure reliable, repeatable performance
2.A wide seat and air-cushion seal keeps leakage low long after the valve is put in service
3.Self-draining housing body and drip rings protect seating surfaces from condensate and freezing, increasing operational reliability
4.Fluoropolymer seating diaphragms are standard to minimize sticking caused by resinous vapors and atmospheric moisture

Size: 2″ (DN 50) through 12″ (DN 300)

Material: Available in aluminum, carbon steel, stainless steel, and other materials

Pressure: 355pa to 1750pa

Vacuum: -295pa

 
PRODUCTS

CASTING



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