Double Oriffice Exhaust Valves1
Double Oriffice Exhaust Valves2
Double Oriffice Exhaust Valves3
Double Oriffice Exhaust Valves4

Double Oriffice Exhaust Valves

Size Range: DN40-DN300

Pressure: PN10/16

Body Materials: QT450/WCB/CF8

Seat Materials: EPDM/NBR

Introduction

Features:

Model: QB2-16Q
Working temperature:  0~80℃
Suitable medium: Water
Application: Municipal construction, water conservancy projects, water supply and drainage, water treatment.



Product advantages:

1. QT450-10 body material. Level-3 spheroidization rate of valve body. Tensile strength is 450Mpa, elongation rate is higher than 10%.
2. The valve body and inner parts are processed by precision CNC machine.
3. SS304 floating ball, higher corrosion resistance.
4. Each valve will be cleaned by Ultrasonic clearing machine before packed.
5. Each valve will be tested pressure before leaving factory.

Parameters

Parameter Information
Executive standard
Name Design and manufacture Face to face Length Pressure Test     
Reference standard GB/T 18693-2002 HG/T 20592-2009
EN1092-1  
API 598-2004    
Material of Main Parts
Name Body Seat  Floating Ball    
Material QT450/WCB/CF8 EPDM/NBR 201/304/316    
Dimensions
Size    
DN NPS(Inch) H ΦD ΦD1 N-φd
40 1  1/2'' 250 150 110 4-18
50  2'' 250 165 125 4-18
65  2  1/2'' 260 185 145 8-18
80  3'' 260 200 160 8-18
100  4'' 290 220 180 8-18
125  5'' 350 250 210 8-18
150  6'' 350 285 240 8-22
200  8'' 390 340 295 12-22
250  10'' 520 405 355 12-26
300  12'' 520 460 410 12-26

 

Application
Related Product

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