Cast Iron Swing Check Valve
Full Waterway
The United Model 7700 Swing Check Valve is manufactured in strict accordance with AWWA C508 Standard. The heavy duty body is of ASTM A126, Class B cast iron, Fusion Bonded Epoxy Coated with DuPont Napgard® powder, Certified to NSF-61. Bonnet bolts are of Type 304 Stainless Steel (standard), offering the ultimate in corrosion protection. Internal gaskets and seat rings are of NBR Rubber. The Clevis Pins and Hanger Shafts are of Type 304 Stainless Steel to provide long lasting service for water, sewer, or wastewater applications.
United Model 7700 Swing Check Valves are available with flanged ends, in standard configuration. Also available with Lever & Weight or Lever & Spring.
Resilient Seat Check Valve
ANSI 125 lb. Body
7700-LW (with lever & weight)
7700-LS (with lever & spring)
Region availability
| Europe | Asia | North America | Africa | South America | Oceania |
|---|---|---|---|---|---|
Åland Islands | Afghanistan | Anguilla | Algeria | Argentina | American Samoa |
Albania | Armenia | Antigua and Barbuda | Angola | Bolivia | Australia |
Andorra | Azerbaijan | Aruba | Benin | Brazil | Cook Islands |
Austria | Bahrain | Barbados | Botswana | Chile | Federated States of Micronesia |
Belarus | Bangladesh | Belize | Burkina Faso | Colombia | Fiji |
Belgium | Bhutan | Bermuda | Burundi | Ecuador | French Polynesia |
Bosnia and Herzegovina | British Indian Ocean Territory | British Virgin Islands | Cameroon | Falkland Islands (Islas Malvinas) | Guam |
Bulgaria | Brunei | Canada | Cape Verde | French Guiana | Kiribati |
Croatia | Cambodia | Caribbean Netherlands | Central African Republic | Guyana | Marshall Islands |
Cyprus | China | Cayman Islands | Chad | Paraguay | Nauru |
Czech Republic | Christmas Island | Collectivity of Saint Martin | Comoros | Peru | New Caledonia |
Denmark | Cocos (Keeling) Islands | Costa Rica | Côte d'Ivoire | Suriname | New Zealand |
Estonia | Georgia | Cuba | Democratic Republic of the Congo | Uruguay | Niue |
Faroe Islands | Hong Kong | Curaçao | Djibouti | Venezuela | Norfolk Island |
Finland | India | Dominica | Egypt | Northern Mariana Islands | |
France | Indonesia | Dominican Republic | Equatorial Guinea | Palau | |
Germany | Iran | El Salvador | Eritrea | Papua New Guinea | |
Gibraltar | Iraq | Greenland | Eswatini | Pitcairn Islands | |
Greece | Israel | Grenada | Ethiopia | Samoa | |
Guernsey | Japan | Guadeloupe | Gabon | Solomon Islands | |
Hungary | Jordan | Guatemala | Ghana | Timor-Leste | |
Iceland | Kazakhstan | Haiti | Guinea | Tokelau | |
Ireland | Kuwait | Honduras | Guinea-Bissau | Tonga | |
Isle of Man | Kyrgyzstan | Jamaica | Kenya | Tuvalu | |
Italy | Laos | Martinique | Lesotho | United States Minor Outlying Islands | |
Jersey | Lebanon | Mexico | Liberia | Vanuatu | |
Latvia | Macau | Montserrat | Libya | Wallis and Futuna | |
Liechtenstein | Malaysia | Nicaragua | Madagascar | ||
Lithuania | Maldives | Panama | Malawi | ||
Luxembourg | Mongolia | Puerto Rico | Mali | ||
Malta | Myanmar (Burma) | Saint Kitts and Nevis | Mauritania | ||
Moldova | Nepal | Saint Lucia | Mauritius | ||
Monaco | North Korea | Saint Pierre and Miquelon | Mayotte | ||
Montenegro | Oman | Saint Vincent and the Grenadines | Morocco | ||
Netherlands | Pakistan | Saint-Barthélemy | Mozambique | ||
North Macedonia | Palestine | Sint Maarten | Namibia | ||
Norway | Philippines | The Bahamas | Niger | ||
Poland | Qatar | Trinidad and Tobago | Nigeria | ||
Portugal | Saudi Arabia | Turks and Caicos Islands | Republic of the Congo | ||
Romania | Singapore | U.S. Virgin Islands | Reunion | ||
Russia | South Korea | United States | Rwanda | ||
San Marino | Sri Lanka | Saint Helena | |||
Serbia | Syria | São Tomé and Príncipe | |||
Slovakia | Taiwan | Senegal | |||
Slovenia | Tajikistan | Seychelles | |||
Spain | Thailand | Sierra Leone | |||
Svalbard and Jan Mayen | Türkiye | Somalia | |||
Sweden | Turkmenistan | South Africa | |||
Switzerland | United Arab Emirates | South Sudan | |||
Ukraine | Uzbekistan | Sudan | |||
United Kingdom | Vietnam | Tanzania | |||
Vatican City | Yemen | The Gambia | |||
Togo | |||||
Tunisia | |||||
Uganda | |||||
Western Sahara | |||||
Zambia | |||||
Zimbabwe |
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