167D Series
2
Specications
Some general 167D Series switching valve ratings and other specications are given on this page. A label on the
spring case gives the control spring range for a given valve as it comes from the factory.
Available Congurations
Types 167D and 167DS: Two-way switching valve
Types 167DA and 167DAS: Three-way
switching valves
Body Size, Inlet and Outlet Connection Style
Ports A and C: 1/4 or 1/2 NPT
Vent and Control Pressure Connections
(Port D) and Port B: 1/4 NPT
Maximum Operating Inlet Pressure
(1)
Types 167D and 167DS: 400 psig / 27,6 bar
Types 167DA and 167DAS: 125 psig / 8,6 bar
Types 167DA and 167DAS (NACE):
100 psig / 6,9 bar
Set Pressure Ranges
See Tables 1 and 2
Maximum Diaphragm Pressure
(1)
150 psi / 10,3 bar over outlet pressure setting up
to a maximum of 250 psi / 17,2 bar
Flow and Sizing Coefcients
See Table 3
Spring Case Vent Location
Aligned with inlet (standard), other positions optional
Temperature Capabilities
(1)
Nitrile (NBR)
Standard Service (Types 167D and 167DA only):
-20° to 180°F / -29° to 82°C
Low Temperature Service (Types 167D and
167DA only) and Standard Service (Types 167DS
and 167DAS only): -40° to 180°F / -40° to 82°C
Fluorocarbon (FKM)
High Temperature Service: 0° to 300°F /
-18° to 149°C
Approximate Weights
Types 167D and 167DA: 1.2 pounds / 0,5 kg
Types 167DS and 167DAS: 2.8 pounds / 1 kg
Options
Types 167D and 167DA
• Handwheel adjusting screw
• Fluorocarbon (FKM) diaphragm, soft seat, seat,
and O-rings
• Stainless steel valve stem and plug. Includes
stainless steel seat
• 1-hole panel mount with handwheel adjusting
screw and 1/4 NPT tap spring case
• 3-hole panel mount bonnet with handwheel
adjusting screw and 1/4 NPT spring case
• 1/4 NPT tapped vent spring case
• 1/4 NPT tapped vent and closing cap
• Adjusting screw with locknut and a lock wire to
one ange bolt (For Type 167D only)
• Panel mounting bracket. Includes 1/4 NPT
spring case, standard adjusting screw, nut,
and bracket
• Yoke mounting bracket. Includes 1/4 NPT
spring case, standard adjusting screw, nut,
fasteners, and bracket
• Size 30-70 casing mounting bracket. Includes
1/4 NPT spring case, standard adjusting screw,
nut, fasteners, and bracket
• NACE MR0175 or NACE MR0103 construction
(2)
Types 167DS and 167DAS
• Handwheel adjusting screw
• Fluorocarbon (FKM) diaphragm, soft seat, seat,
and O-rings
• 1-hole panel mount with handwheel adjusting
screw and 1/4 NPT tap spring case
• Panel mounting bracket. Includes 1/4 NPT
spring case, standard adjusting screw, nut, and
bracket
• Yoke mounting bracket. Includes 1/4 NPT
spring case, standard adjusting screw, nut,
fasteners,
and bracket
• Size 30-70 casing mounting bracket. Includes
nut, fasteners, and bracket
1. The pressure/temperature limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded.
2. Product complies with the material requirements of NACE MR0175 or MR0103. Environmental limits may apply.
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