Fisher 667 Spring-Opposed Diaphragm Actuator Size 50 0.4 to 2.0 bar (6 to 30 psig)

667-50-6-30

Fisher 667 reverse-acting actuator, Size 50, 0.4 to 2.0 bar (6 to 30 psig). High thrust capability, molded diaphragm, rugged cast iron/steel construction. Genuine, ready stock, bulk pricing available.

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The Fisher 667 reverse-acting diaphragm actuator (Size 50, 0.4 to 2.0 bar (6 to 30 psig)) features a molded diaphragm in a deep casing for excellent linearity, high thrust capability, and rugged thick-walled cast iron or steel construction. Its split-block stem connection provides solid motion transfer for accurate valve positioning.

Key Features

  • Molded diaphragm, deep casing for excellent linearity
  • Effective diaphragm area 677 cm2, 51 mm travel
  • Maximum allowable thrust 25131 N
  • Rugged thick-walled cast iron and steel construction
  • Reverse-acting, spring-opposed design for fail-safe positioning
  • Temperature range -40 to 82 C standard, to 149 C with silicone diaphragm

Full Configuration Details

Complete Ordering Code:
667
Actuator Specifications
Size
Actuator Size
Size 50
Spring
Spring Range
0.4 to 2.0 bar (6 to 30 psig)
Area
Effective Diaphragm Area
677 cm2
Travel
Maximum Travel
51 mm
Thrust
Max Allowable Thrust
25131 N
Action
Action
Reverse-acting
Temp
Temperature Range
-40 to 82 C (standard)
Conn
Signal Connection
1/4 NPT internal

Factory-Direct Price & Fast Shipping

We supply Fisher 667 diaphragm actuators factory-direct with competitive bulk pricing. Large ready stock ships within 48 hours via DHL/FedEx worldwide, and every unit is 100% genuine and brand new with a 1-year warranty. Send your size and spring range for a quote within 12 hours.

Request a Quote

Email: sales@gt-exim.com  |  WhatsApp: +86 17719526488

Full Configuration Details

Complete Ordering Code:
667
Actuator Specifications
Size
Actuator Size
Size 50
Spring
Spring Range
0.4 to 2.0 bar (6 to 30 psig)
Area
Effective Diaphragm Area
677 cm2
Travel
Maximum Travel
51 mm
Thrust
Max Allowable Thrust
25131 N
Action
Action
Reverse-acting
Temp
Temperature Range
-40 to 82 C (standard)
Conn
Signal Connection
1/4 NPT internal

Documents

Manuals: