Page 90 - 2022 Online Catalog

DirectoValve Manual Pressure Relief/Regulating Valves

Piston-Type Pressure Relief/Regulating Valves

Model 23120 Model 23120A
• 302 stainless steel spring and EPDM O-ring. • Same as 23120 but with 316SS
• Excellent chemical resistance. spring and Viton® O-ring.
• 1/4" port for pressure gauge pipe plug included. How to order: Specify valve number.
Example: 23120-1/2-PP
PART NO INLET AND PIPE MATERIAL PRESSURE RANGE
CONNECTIONS Model 23120
MANUAL PRESSURE RELIEF/REGULATING VALVES
(B)23120-*-PP 1/2" or 3/4" Polypropylene 150 PSI (10 bar)
(B)23120A-*-PP 1/2" or 3/4" Polypropylene 150 PSI (10 bar)
(B)23120-*-PP-60 1/2" or 3/4" Polypropylene 60 PSI (4 bar)
(B)23120-*-PP-60-VI 1/2" or 3/4" Polypropylene/Viton 60 PSI (4 bar)

Model 6815
• Other models for high pressures up to 1,200 How to order:
PSI (82 bar) are also available. Specify valve number. Model 6815
Example: (B)6815-1/2-50
• Brass also available with hardened SS seat.
VALVES PART NO INLET AND PIPE MATERIAL PRESSURE RANGE
CONNECTIONS
MANUAL PRESSURE RELIEF/REGULATING VALVES
Brass or Aluminum
50 PSI (3.5 bar)
(B)6815-*-50
1/2" or 3/4"
(B)6815-*-300
(B)6815-*-700 1/2" or 3/4" Brass or Aluminum 300 PSI (20 bar)
1/2" or 3/4"
Brass or Aluminum
700 PSI (48 bar)
Model 110 How to order:
• Removable bonnet for servicing unit Specify valve number.
without removing valve from line. Example: AA(B)110-1/4-300
PART NO INLET AND PIPE MATERIAL PRESSURE RANGE
CONNECTIONS
MANUAL PRESSURE RELIEF/REGULATING VALVES
AA(B)110-*-300 1/4" or 3/8" Brass 300 PSI (20 bar)
AA(B)110-*-700 1/4" or 3/8" Brass 700 PSI (48 bar)
AA(B)110-1 1" Brass, Aluminum or Ductile Iron 150 PSI (10 bar)
AA(B)110-1-1/4 1-1/4" Brass, Aluminum or Ductile Iron 150 PSI (10 bar) Model 110-1,
110-1-1/4
AA(B)110-1-1/2 1-1/2" Brass, Aluminum or Ductile Iron 150 PSI (10 bar) Model 110-1/4 and 110-1-1/2
and 110-3/8
Model 8460 Diaphragm-Type Pressure Relief/Regulating Valves

• Flow rate to 56 GPM (212 l/min) for • Extra large valve passages to handle
1/2" and 70 GPM (265 l/min) for 3/4". full flow from supply line.
• 8460-*-50 uses stainless steel springs while • Positive locknut to hold adjustment
8460-* uses steel springs—responsive to screw firmly in place. Not affected
the pressure range of each valve. by jarring and vibration.
Model 8460
PART NO INLET AND PIPE MATERIAL PRESSURE RANGE
CONNECTIONS
DIAPHRAGM-TYPE PRESSURE RELIEF/REGULATING VALVES
(B)6815-*-50 1/2" or 3/4" Brass or Aluminum 50 PSI (3.5 bar)
(B)6815-*-300 1/2" or 3/4" Brass or Aluminum 300 PSI (20 bar)

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