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SFBK
Block Valve
 
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SFBK

SFBK Schematic
  • Compact and economical hand valve
  • Valve assembly is process blowout proof
  • The packing controls both stem leakage and leakage between the manifold body and the valve.
  • Built-in zerk nut allows complete online flush-through relubrication
  • Over-torquing of main block valve handle in either direction is prevented
  • Ceramic ball (up to 8 times harder than 316SS) eliminates ball creasing and seat galling
  • Unit can withstand considerable mechanical and chemical abuse
  • Main block valve cannot be accidentally disassembled
  • Large (over 1/4") internal porting

The SFBK is a hand valve available with various inlet / outlet configurations. These rugged, severe service instrument hand valves will stand up to the most demanding service in your plant with their high pressure and temperature ratings, 316SS construction and unique Safti-Fold® features.

The SFBK can be supplied with a integral bleed valve.
Specifications
Max Ratings:
Teflon:
6000psi @ 220°F
1500psi @ 450°F
Grafoil:
6000psi @ 700°F
1500psi @ 1000°F 		Material:
316SS body and wetted parts
Also available:
Nickel plated C.S.
Exotic materials: Hastelloy C, Monel, Alloy 20, etc.
Consult Factory
 		Design Codes:
ANSI B31.1, B16.5, NACE MR-01-75 (special order)
Material Codes:
Barstock, A479 - 316, A276-316;  Cast, ASTM-A743 CF3M, ASTM-A-351 CF3M, A 276-316.
Assurance of Satisfaction: When properly installed, D/A guarantees the SAFTI-FOLD® series of instrument manifolds and hand valves to be free from defective workmanship and material under normal use and service for a period of one year from the date of shipment.


Code  Safti-Fold, Block Valve
SFBK  Model
| Code  Seal
| T  Teflon
| G  Grafoil
| | Code  Material
| | SS  Stainless Steel, 316
| | | Code  Connections
| | |  female outlet x female inlet
| | | F2F2  1/4" FNPT x 1/4" FNPT
| | | F4F4  1/2" FNPT x 1/2" FNPT
| | | F6F6  3/4" FNPT x 3/4" FNPT
| | |  female outlet x male inlet
| | | F2M4  1/4" FNPT x 1/2" MNPT
| | | F4M4  1/2" FNPT x 1/2" MNPT
| | | F4M6  1/2" FNPT x 3/4" MNPT
| | |  tube fitting on both ends
| | | T3T3  3/8" tube x 3/8" tube
| | | T4T4  1/2" tube x 1/2" tube
| | | T6T6  3/4" tube x 3/4" tube
| | | | Code  Options
| | | | BV4  Integral bleed valve (female outlet only)
| | | | SW  Plain end on both connections for socket weld
| | | | |  
Model Number

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D/A Manufacturing Co., Inc.
Hwy 86 East or P.O. Box T
Tulia, TX  79088-0920 USA
Phone: (806)995-2316
FAX: (806)995-4601