Flanged Silent Check Valve ( Non-Slam Check Valves ) 1. Silent Check Valve is the valve of choice in applications where silent operation is of major concern. Its     short linear stroke and spring return action automatically closes the disc at zero flow, which prevents      flow reversal and water hammer. DESCRIPTION: D D1 D2 H b f Z 2" Ø 165 Ø 125 Ø 99 100 19 3 4 - Ø 19 21/2" Ø 185 Ø 145 Ø 118 120 19 3 4 - Ø 19 3" Ø 200 Ø 160 Ø  132 140 19 3 8 - Ø 19 4" Ø 220 Ø 180 Ø 156 170 19 3 8 - Ø 19 5" Ø 250 Ø 210 Ø 184 200 19 3 8 - Ø 19 6" Ø 285 Ø 240 Ø 211 230 19 3 8 - Ø 23 8" Ø 340 Ø 295 Ø 266 300 20 3 12 - Ø 23 10" Ø 400 Ø 355 Ø 319 370 22 3 12 - Ø 28 12" Ø 455 Ø 410 Ø 370 410 24.5 4 12 - Ø 28 Smc Products,Frp Manhole Cover Steel Inside,Frp Manhole Cover Size Inside,Composite Material Waterproof JIZHOU ZHONGYI FRP CO., LTD. , https://www.jzzhongyifrp.com
2. Guided spring loaded disc with drop tight closure.
3. Can be used in both horizontal and vertical positions.
Material List:
NO.
Part
Meterial
1
Guide
Ductile Iron GGG40
2
Body
Cast Iron GG25 or Ductile Iron GGG40
3
Sleeve
PTFE
4
Spring
Stainless steel
5
Seat ring
NBR or EPDM
6
Disc
Ductile Iron GGG40 or Brass
 
PN16
Model NO.: SCV-009
Flow Direction: Unidirection
Standard: DIN
Application: Industrial Usage, Water Industrial Usage
Size: Dn50 to Dn300
Name: Silent Check Valve
Type: Non-Slam Check Valves
Pressure Rate: Pn10/16/25
Valve Body Surface: Epoxy Coated
Trademark: DS
Specification: Quality Grade: CE and ISO9001
Origin: Yantai Shandong China
HS Code: 8481804090
DN