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Hancock Type 5525/5535 Flow Control Valves
Flow control vales combination valve and flow control instrument with special micrometer and pointer to set valve within 1/100 of a handwheel turn.
 
Features
  • Available in class 800 ANSI pressure classes, threaded (FNPT), and socket weld.
  • Micrometer dial indicator is standard equipment to ensure accurate repeatable control settings.
  • Valves are available with quadruple V-Port discs to ensure optimum controllability and flow.
  • All internal surfaces are accurately machined to provide maximum performance.
  • Renewable seat rings made from hardened stainless steel and faced with Stellite.
  • The disc is hardened, ground and lapped for accurate, leak free sealing.
  • Standard material is carbon steel body (ASME SA105) with 13% chrome stainless steel trim.
  • GRAFOIL packing is standard.
  • Code compliance with ASME/ANSI B16.34 and the ASME Boiler and Pressure Vessel Code, Section I.

The Hancock Flow Control Valve is a combination valve and flow control instrument equipped with a special micrometer dial and pointer which enable the operator to set the valve opening to within one hundredth of a turn of the handwheel. Any desired setting can be instantly duplicated. Each valve is fitted with a scientifically designed V-Port valve disc ensuring proportional flow throughout the entire lift of the stem. It is a hand-operated valve with a straight line flow characteristics. A separate shut-off seating surface, removed from the controlling V-Ports, eliminates the necessity of using a second valve for shut off purposes.

hancock valve 5525 / 5535
hancock valve cut away General Applications
  • Boilers, compressors, steam condensers, pumps, steam lines, feed water regulator bypass vents, liquid level control piping, flash tanks, soot blower connections, turbine generators, Dowtherm, instrumentation, gauge shut-off.
  • For refineries: alkalization units, "cat" crackers, hydroformers, water-flooding, gas odorization.
Available Types and Sizes
  • 5525S-2
    T-Type, 4-V-port Disc, Threaded End to ANSI B2.1
  • 5535S-2
    Angle Body, 4-V-port Disc Threaded End to ANSI B2.1
Dimensions, Weights and Cv Values
Size A AA C D E F G H M Weight 4 V-Port Price
1/2" 5525S
1/2" 5535S
1-5/16
1-5/16
1-5/16
1-5/16
3-5/16
3-5/16
3-1/2
3-1/2
5-15/16
5-15/16
5-3/4
5-3/4
1-21/32
1-21/32
.855
.855
3/8
3/8
5
5
1.00
1.00
 
3/4" 5525S
3/4" 5535S
1-1/2
1-1/2
1-1/2
1-1/2
3-9/16
3-9/16
3-1/2
3-1/2
6-3/8
6-3/8
6-1/8
6-1/8
1-25/32
1-25/32
1.065
1.065
1/2
1/2
5-1/4
5-1/4
2.00
2.00
 
1" 5525S
1" 5535S
1-7/8
1-7/8
1-7/8
1-7/8
1-7/8
1-7/8
4
4
7-3/4
7-3/4
7-3/8
7-3/8
2-3/16
2-3/16
1.330
1.330
1/2
1/2
8-1/2
8-1/2
4.00
4.00
 
1-1/2" 5525S
1-1/2" 5535S
2-1/2
2-1/2
2-1/2
2-1/2
6-1/2
6-1/2
5-1/2
5-1/2
9-5/8
9-5/8
9-1/32
9-1/32
3-1/4
3-1/4
1.915
1.915
1/2
1/2
17-1/2
17-1/2
10.40
10.40
 
2" 5525S
2" 5535S
3-1/8
3-1/8
3-1/8
3-1/8
7
7
6-1/2
6-1/2
11-1/16
11-1/16
10-5/16
10-5/16
3-1/2
3-1/2
2.406
2.406
5/8
5/8
27
27
14.00
14.00
 

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