SIZE RANGE: 3 - 8 inch (80 mm - 200 mm) MAX TEMP: 180°F (80°C) MAX PRESSURE: 150 PSI

4082S6 - All 316 Stainless steel body and access port, flanged connection class 150. Nitrile (Buna-N) covered metal sinking ball. Stainless steel fasteners.

Also available with special “Floating Ball” for flood control or air vent application–consult factory for application and pricing.

Complies with the American Iron and Steel Act, AIS Compliant.

NSF/ANSI 372 Low Lead

Warranty: 1 Year

Discount Code B
FOB Factory


408²S6 Manuals

408²S6 CAD

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408²S6 Literature

Sizes and Prices

Part Number Size Weight Spring Range Stainless Steel
List Price
Carbon Steel
List Price
Case Qty Style Plug Size Cracking Pressure By Pass Outlet Inlet Part #
Part #
Flanged 150
List Price
3144S6 3" 37 $3,874
3145S6 4" 56 $4,951
3146S6 6" 105 $8,187
3147S6*  8" 194 $10,078

NOTE: Consult Factory for other Sizes.

* Consult factory for availability