The Double Check Backflow Prevention Assembly shall be certified to NSF/ANSI/CAN 61, ASSE® Listed 1015, and supplied with full port gate valves. The main body and access cover shall be epoxy coated ductile iron (ASTM A 536), the seat ring and check valve shall be NORYL™, the stem shall be stainless steel (ASTM A 276) and the seat disc elastomers shall be EPDM. The checks shall be accessible for maintenance without removing the device from the line. The Double Check Backflow Prevention Assembly shall be a ZURN WILKINS Model 350A.
Compliance:
Features:
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Beschikbaarheid regio
Noord Amerika |
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Amerikaanse Maagdeneilanden |
Anguilla |
Antigua en Barbuda |
Aruba |
Bahama's |
Barbados |
Belize |
Bermuda |
Britse Maagdeneilanden |
Canada |
Caribisch Nederland |
Costa Rica |
Cuba |
Curaçao |
Dominica |
Dominicaanse Republiek |
El Salvador |
Grenada |
Groenland |
Guadeloupe |
Guatemala |
Haïti |
Honduras |
Jamaica |
Kaaimaneilanden |
Martinique |
Mexico |
Montserrat |
Nicaragua |
Panama |
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Saint Kitts en Nevis |
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SaintLucia |
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Verenigde Staten |