Fig: 895 Double Plate Check Valve

Socla Fig: 895.
 
Double Plate check valve used to prevent reverse flow. Suitable for clean water applications up to 100ºC. Size range DN50-400mm, cast iron with Stainless Steel plates and EPDM seats.
 
Features.
  • Operating position: horizontal and vertical.
  • Minimum occupation of space.
  • Very low head loss.
  • For pumping, water supply, general industry.
  • Closing system: double plate with return spring.
  • Using these check valves on networks equipped with piston pumps or compressors is not recommended.
Test.

Seat 1.1 x PN
Body 1.5 x PN

Service Conditions.

  • Potable water, filtered water, dirty water.
  • Working pressure 16 bar.
  • Temperature range -10°C to 100°C.

(Insulate at 0°C and below)

Options / Offer models.
  • Fig. 815 - PN25.
  • Fig. 805 - Ali-Bronze plates.
  • Fig. 825 - Stainless steel body.
Material Specification.
Items
Description
Material
Standard
ANSI
1.
Casting DN50-150
             DN200-400
Cast Iron/Epoxy
Ductile Iron/Epoxy
EN-GJL-250
EN-GJL-400.15
ASTM A 48 35 B
ASTM A 536
2.
Plates
Stainless Steel
GX5CrNi19-10
AISI 304
3.
Seal
EPDM
 
 
4.
Spring
Stainless Steel
X5CrNiMo17-12-2
ASIS 316
5.
Stem
Stainless Steel
X5CrNiMo17-12-2
ASIS 316
6.
Bearing
PTFE
 
 
7.
Eye bolt DN>150
Steel XC15
 
 
8.
Plugs
Brass
 
 
Dimensions.
A (mm)B (mm)C (mm)D (mm)Weight (kg)
5054601091.2
6554731291.8
8057891442.9
100641141643.9
125701411945.8
150761682208
2009521927545
25010827333022
30014332438034
40019141049183

For more technical information, please see below.

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