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fixed orifice gas valve

Basic Info

Model No.: drvf1209-DF

Product Description

Specifications 1.Connection:ANSI/EN/DIN.

2.Face-to-face:BS7350.

3.Size:DN65-DN300.

4.Working pressure:PN25.

4.Comply to BS 7350

Who we are? Our company is alibaba gold member for nine year.We have attend the large-scale exhibition at home and abroad each year.We are valves manufacturer,factory located in Tianjin. our mainly products for fire products, water works and HVAC.More information,welcome to visit:   Technical data Valve Standard: BS7350 Nominal diameter 2.5"-12"/DN65–DN300   Working pressure: 25Bar Face-to-face: BS7350   Connection: ANSI B16.1 Class250 DIN 2501 PN25 EN1092-2 PN25   Tightness check: BS7350   Pressure/Temperature Ratings
Temperature -10 to120
Working pressure(Bar) 25
Test pressure(Bar) Shell:37.5
  Seat:27.5
  Materials
Part Material Specification
Body Ductile EN-JL 1050
Bonnet Ductile EN-JL 1050
Stem Stainless Steel 410 BS970 410S21
Disc EPDM  Coated DI EN-JL 1050
Gland(65-150mm) Brass EN12165 CW617N
Gland(200-300mm) Ductile EN-JL 1050
Gland Nut Brass EN 12165 CW617N
Hand Wheel Ductile EN-JL 1050
Test Value Brass EN 12165 CW602N
Orifice insert Brass EN 12165 CW617N
Packing Graphite Non-Asbestos
Dimensions,Coefficients
Nom. Size Dimension(mm) Flow Head loss kvs
L H D Kv K
2 1/2 DN65 290 265 205 104 5.32 104
3 DN80 310 270 205 112 6.48 116
4 DN100 350 310 250 162 13.15 213
5 DN125 400 340 300 254 8.32 333
6 DN150 480 350 300 335 7.33 476
8 DN200 600 537 375 535 8.26 768
10 DN250 730 591 435 1099 7.27 1153
12 DN300 850 690 450 1588 8.36 1743
                                                                     

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