
WAFER STYLE SPRING LOADED SINGLE DISC CHECK VALVE
MODEL SDR
VALVE FEATURES
Low weight design 80% - 90% weight reduction compared to full body swing check valves which reduces installation time and effort.
Versatile functionality for horizontal and vertical installations.
Integrated single piece cast disc and arm assembly increase unit integrity.
Simplifies piping, optimizes space utilization, and lowers installation/replacement costs.
Zero fugitive emission design standard.
STANDARDS
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ASME B16.5, B16.34, and B31.1
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API 594 and 598
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MSS-SP-25, MSS-SP-55
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API 6A and 6D (as applicable)
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MSS-SP- 61 (standard for the resilient seated metal seated when required)

CONSTRUCTION MATERIALS
Body Material
Ductile Iron
Carbon Steel
316 Stainless Steel
Disc Material
304 Stainless Steel
316 Stainless Steel
Seat Material
Buna
EDPM
Viton®
PTFE
Integral Metal
316 Stainless Steel
Kalrez
Spring Material
316 Stainless Steel
Inconel® X-750
End Connection
Plain Face
Raised Face


