SIZE RANGE: 2 - 6 inch (50 mm - 150 mm) MAX TEMP: 180°F (80°C) MAX PRESSURE: 450 PSI

80MS6VFD - All 316 stainless steel threaded male x female check valve body features patented VFD design with stainless steel spring, poppet and a NITRILE (Buna-N) seal.


Discount Code A
$2,000 NET FFA



80MS6VFD Manuals


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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
4084S6VFD 2" M x 2" F 5 $565
4083S6VFD 3" M x 3" F 13 $1,462
4077S6VFD 4" M x 4" F 30 $2,567
4081S6VFD 6" M x 6" F 69 $6,777

To Order Break-Off, Add "PLG" To The End Of The Part Number And Add $100 To List Price.  Add "PPLG" To The End Of The Part Number And Add $75 To List Price For Composite Plug.

Patent Number 9,032,992B2