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Specifications

Type Type 657 manual straightway - high flow, Ductile iron handle and bonnet
Nominal Size 1 1/2" 1" 2 1/2" 2" 3" 4" 6" 8"
Connection 125# Flat Face Flange 150# Flat Face Flange
Valve Body Material Cast Iron - ASTM A-126 Class B Body Ductile Iron with Butyl Lined Body Ductile Iron with Hard Rubber Lined Body Ductile Iron with Hypalon Lined Body Ductile Iron with Neoprene Lined Body Ductile Iron with Silica Free Soft Rubber Lined Body
Diaphragm Material Buna-N Diaphragm Butyl Diaphragm EPDM Diaphragm Hypalon Diaphragm Natural Rubber Silica Free Diaphragm Neoprene Diaphragm
Control Function Manually Operated

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Item #

Nominal Size

Connection

Diaphragm Material

Control Function

657025D4483-10- N/A 1" N/A 150# Flat Face Flange N/A Hypalon Diaphragm N/A Manually Operated
657025D4483140- N/A 1" N/A 150# Flat Face Flange N/A EPDM Diaphragm N/A Manually Operated
657025D4483-20- N/A 1" N/A 150# Flat Face Flange N/A Buna-N Diaphragm N/A Manually Operated
657025D4483250- N/A 1" N/A 150# Flat Face Flange N/A Natural Rubber Silica Free Diaphragm N/A Manually Operated
657025D4483-60- N/A 1" N/A 150# Flat Face Flange N/A Butyl Diaphragm N/A Manually Operated
657025D4483-80- N/A 1" N/A 150# Flat Face Flange N/A Neoprene Diaphragm N/A Manually Operated
657025D4486-10- N/A 1" N/A 150# Flat Face Flange N/A Hypalon Diaphragm N/A Manually Operated
657025D4486140- N/A 1" N/A 150# Flat Face Flange N/A EPDM Diaphragm N/A Manually Operated
657025D4486-20- N/A 1" N/A 150# Flat Face Flange N/A Buna-N Diaphragm N/A Manually Operated
657025D4486250- N/A 1" N/A 150# Flat Face Flange N/A Natural Rubber Silica Free Diaphragm N/A Manually Operated
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