GALLI & CASSINA Pressure Balanced DBB Lubricated Plug API 6D Valves

Design Features

The DB&B PLUG VALVES provide the same PLUG VALVES features, with the addition of the “Double Isolation” feature, with a body bleed in between the two plugs. Valves “Face to Face” follows API6D, to guarantee interchangeability with valves in service.



Chemical & Petrochemical



1. Standard Carbon Steel Body and Plug. (ASTM-A216 WCB/WCC material) suitable for general services.
2. Carbon Steel Body and Plug (A352 LCB/LCC material) suitable for low temperature services.
3. Carbon Steel Body and Plug (ASTM A216WCB/WCC material) suitable for “SOUR SERVICE”(H2S and CO2) according to NACE-MR.01.75/Latest Edition.
4. Special Austenitic (6MO) and Ferritic-Austenitic Stainless Steel (Duplex and Superduplex) suitable for sea water and corrosive services.
5. Nickel-Chromium-Iron alloy (i.e. Alloy 20), Titanium & Titanium alloy, carbon steel with Inconel 625 cladding and stellite or Tungsten carbide hardfacing for abrasive/corrosive service.
6. Other materials upon request.


Pressure and Temperature

Material: ASTM A 105, ASTM A 216 Gr. WCB, ASTM A 350 Gr. LF2
Press. 110 psig … 3705 psig
Temp. -20° F … 700° F
Material: ASTM A 216 Gr. WCC, ASTM A 352 Gr. LCC/LC2/LC3
Press. 110 psig … 3750 psig
Temp. -20° F … 700° F
Material: ASTM A 352 Gr. LCB
Press. 110 psig … 3480 psig
Temp. -20° F … 700° F
Material: ASTM A182 Gr. F316/F316H, ASTM A 479 Gr. 316/316H, ASTM A 351Gr.CF3M/CF8M
Press. 110 psig … 3600 psig
Temp. -20° F … 700° F



2″ up to 20″



Class 150 up to 1500

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